refactor: dbm

2025-11-02 15:30:25 +08:00 · 2024-12-08 13:04:23 +08:00
parent ebc89e056f
commit e56788af3e
152 changed files with 4273 additions and 3715 deletions
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -11,7 +11,7 @@
    },
    "dependencies": {
        "@element-plus/icons-vue": "^2.3.1",
-        "@vueuse/core": "^11.3.0",
+        "@vueuse/core": "^12.0.0",
        "asciinema-player": "^3.8.1",
        "axios": "^1.6.2",
        "clipboard": "^2.0.11",
@@ -19,7 +19,7 @@
        "crypto-js": "^4.2.0",
        "dayjs": "^1.11.13",
        "echarts": "^5.5.1",
-        "element-plus": "^2.8.8",
+        "element-plus": "^2.9.0",
        "js-base64": "^3.7.7",
        "jsencrypt": "^3.3.2",
        "lodash": "^4.17.21",
@@ -28,16 +28,16 @@
        "monaco-sql-languages": "^0.12.2",
        "monaco-themes": "^0.4.4",
        "nprogress": "^0.2.0",
-        "pinia": "^2.2.7",
-        "qrcode.vue": "^3.5.1",
+        "pinia": "^2.3.0",
+        "qrcode.vue": "^3.6.0",
        "screenfull": "^6.0.2",
-        "sortablejs": "^1.15.3",
+        "sortablejs": "^1.15.6",
        "splitpanes": "^3.1.5",
        "sql-formatter": "^15.4.5",
        "trzsz": "^1.1.5",
        "uuid": "^9.0.1",
        "vue": "^3.5.13",
-        "vue-i18n": "^10.0.4",
+        "vue-i18n": "^10.0.5",
        "vue-router": "^4.5.0",
        "xterm": "^5.3.0",
        "xterm-addon-fit": "^0.8.0",
@@ -59,9 +59,9 @@
        "eslint": "^8.35.0",
        "eslint-plugin-vue": "^9.31.0",
        "prettier": "^3.2.5",
-        "sass": "^1.81.0",
+        "sass": "^1.82.0",
        "typescript": "^5.7.2",
-        "vite": "^6.0.1",
+        "vite": "^6.0.3",
        "vue-eslint-parser": "^9.4.3"
    },
    "browserslist": [
--- a/frontend/src/common/openApi.ts
+++ b/frontend/src/common/openApi.ts
@@ -7,7 +7,7 @@ export default {
    getPublicKey: () => request.get('/common/public-key'),
    getConfigValue: (params: any) => request.get('/sys/configs/value', params),
    getServerConf: () => request.get('/sys/configs/server'),
-    oauth2LoginConfig: () => request.get('/auth/oauth2-config'),
+    oauth2LoginConfig: () => request.get('/auth/oauth2/config'),
    changePwd: (param: any) => request.post('/sys/accounts/change-pwd', param),
    captcha: () => request.get('/sys/captcha'),
    logout: () => request.post('/auth/accounts/logout'),
--- a/frontend/src/common/sysmsgs.ts
+++ b/frontend/src/common/sysmsgs.ts
@@ -0,0 +1,47 @@
+import { buildProgressProps } from '@/components/progress-notify/progress-notify';
+import syssocket from './syssocket';
+import { h, reactive } from 'vue';
+import { ElNotification } from 'element-plus';
+import ProgressNotify from '@/components/progress-notify/progress-notify.vue';
+
+export function initSysMsgs() {
+    registerDbSqlExecProgress();
+}
+
+const sqlExecNotifyMap: Map<string, any> = new Map();
+
+function registerDbSqlExecProgress() {
+    syssocket.registerMsgHandler('execSqlFileProgress', function (message: any) {
+        const content = JSON.parse(message.msg);
+        const id = content.id;
+        let progress = sqlExecNotifyMap.get(id);
+        if (content.terminated) {
+            if (progress != undefined) {
+                progress.notification?.close();
+                sqlExecNotifyMap.delete(id);
+                progress = undefined;
+            }
+            return;
+        }
+
+        if (progress == undefined) {
+            progress = {
+                props: reactive(buildProgressProps()),
+                notification: undefined,
+            };
+        }
+
+        progress.props.progress.title = content.title;
+        progress.props.progress.executedStatements = content.executedStatements;
+        if (!sqlExecNotifyMap.has(id)) {
+            progress.notification = ElNotification({
+                duration: 0,
+                title: message.title,
+                message: h(ProgressNotify, progress.props),
+                type: syssocket.getMsgType(message.type),
+                showClose: false,
+            });
+            sqlExecNotifyMap.set(id, progress);
+        }
+    });
+}
--- a/frontend/src/common/syssocket.ts
+++ b/frontend/src/common/syssocket.ts
@@ -1,9 +1,9 @@
 import Config from './config';
-import {ElNotification} from 'element-plus';
 import SocketBuilder from './SocketBuilder';
-import {getToken} from '@/common/utils/storage';
+import { getToken } from '@/common/utils/storage';

-import {joinClientParams} from './request';
+import { joinClientParams } from './request';
+import { ElNotification } from 'element-plus';

 class SysSocket {
    /**
@@ -23,7 +23,6 @@ class SysSocket {
        0: 'error',
        1: 'success',
        2: 'info',
-        22: 'info',
    };

    /**
@@ -57,21 +56,16 @@ class SysSocket {
                    return;
                }

+                // 默认通知处理
                const type = this.getMsgType(message.type);
-                let msg = message.msg
-                let duration = 0
-                if (message.type == 22) {
-                    let obj = JSON.parse(msg);
-                    msg = `文件：${obj['title']} 执行成功: ${obj['executedStatements']} 条`
-                    duration = 2000
-                }
+                let msg = message.msg;
+                let duration = 0;
                ElNotification({
                    duration: duration,
                    title: message.title,
                    message: msg,
                    type: type,
                });
-                console.log(message)
            })
            .open((event: any) => console.log(event))
            .close(() => {
--- a/frontend/src/components/progress-notify/progress-notify.vue
+++ b/frontend/src/components/progress-notify/progress-notify.vue
@@ -1,5 +1,5 @@
 <template>
-    <el-descriptions border size="small" :title="`${progress.title}`">
+    <el-descriptions border size="small" :title="`${props.progress.title}`">
        <el-descriptions-item label="时间">{{ state.elapsedTime }}</el-descriptions-item>
        <el-descriptions-item label="已处理">{{ progress.executedStatements }}</el-descriptions-item>
    </el-descriptions>
--- a/frontend/src/i18n/en/db.ts
+++ b/frontend/src/i18n/en/db.ts
@@ -214,7 +214,7 @@ export default {
        getDbNamesModeAssign: 'Specifying the db name',

        ignore: 'Ignore',
-        replate: 'Replate',
+        replace: 'Replate',

        running: 'Running',
        waitRun: 'Wait Run',
--- a/frontend/src/i18n/zh-cn/db.ts
+++ b/frontend/src/i18n/zh-cn/db.ts
@@ -210,7 +210,7 @@ export default {
        getDbNamesModeAssign: '指定库名',

        ignore: '忽略',
-        replate: '替换',
+        replace: '替换',

        running: '运行中',
        waitRun: '待运行',
--- a/frontend/src/main.ts
+++ b/frontend/src/main.ts
@@ -18,11 +18,13 @@ import '@/theme/index.scss';
 import '@/assets/font/font.css';
 import '@/assets/iconfont/iconfont.js';
 import { getThemeConfig } from './common/utils/storage';
+import { initSysMsgs } from './common/sysmsgs';

 const app = createApp(App);

 registElSvgIcon(app);
 directive(app);
+initSysMsgs();

 app.use(pinia).use(router).use(i18n).use(ElementPlus, { size: getThemeConfig()?.globalComponentSize }).mount('#app');

--- a/frontend/src/views/ops/db/DbTransferFile.vue
+++ b/frontend/src/views/ops/db/DbTransferFile.vue
@@ -9,13 +9,13 @@
                v-model:selection-data="state.selectionData"
                :columns="columns"
                @page-num-change="
-                    (args) => {
+                    (args: any) => {
                        state.query.pageNum = args.pageNum;
                        search();
                    }
                "
                @page-size-change="
-                    (args) => {
+                    (args: any) => {
                        state.query.pageSize = args.pageNum;
                        search();
                    }
@@ -85,14 +85,14 @@ import { dbApi } from '@/views/ops/db/api';
 import { getDbDialect } from '@/views/ops/db/dialect';
 import PageTable from '@/components/pagetable/PageTable.vue';
 import { TableColumn } from '@/components/pagetable';
-import { ElMessage, ElMessageBox } from 'element-plus';
+import { ElMessage } from 'element-plus';
 import { hasPerms } from '@/components/auth/auth';
 import TerminalLog from '@/components/terminal/TerminalLog.vue';
 import DbSelectTree from '@/views/ops/db/component/DbSelectTree.vue';
 import { getClientId } from '@/common/utils/storage';
 import FileInfo from '@/components/file/FileInfo.vue';
 import { DbTransferFileStatusEnum } from './enums';
-import { useI18nDeleteConfirm, useI18nDeleteSuccessMsg, useI18nFormValidate, useI18nPleaseSelect, useI18nSaveSuccessMsg } from '@/hooks/useI18n';
+import { useI18nDeleteConfirm, useI18nDeleteSuccessMsg, useI18nFormValidate, useI18nOperateSuccessMsg, useI18nPleaseSelect } from '@/hooks/useI18n';
 import { useI18n } from 'vue-i18n';

 const { t } = useI18n();
@@ -179,14 +179,13 @@ const state = reactive({
        },
        btnOk: async function () {
            await useI18nFormValidate(runFormRef);
-            console.log(state.runDialog.runForm);
            if (state.runDialog.runForm.targetDbType !== state.runDialog.runForm.dbType) {
                ElMessage.warning(t('db.targetDbTypeSelectError', { dbType: state.runDialog.runForm.dbType }));
                return false;
            }
            state.runDialog.runForm.clientId = getClientId();
            await dbApi.dbTransferFileRun.request(state.runDialog.runForm);
-            useI18nSaveSuccessMsg();
+            useI18nOperateSuccessMsg();
            state.runDialog.cancel();
            await search();
        },
@@ -228,9 +227,7 @@ const openLog = function (data: any) {

 // 运行sql，弹出选择需要运行的库，默认运行当前数据库，需要保证数据库类型与sql文件一致
 const openRun = function (data: any) {
-    console.log(data);
    state.runDialog.runForm = { id: data.id, dbType: data.fileDbType } as any;
-    console.log(state.runDialog.runForm);
    state.runDialog.visible = true;
 };

--- a/frontend/src/views/ops/db/InstanceList.vue
+++ b/frontend/src/views/ops/db/InstanceList.vue
@@ -205,7 +205,7 @@ const editInstance = async (data: any) => {

 const deleteInstance = async () => {
    try {
-        useI18nDeleteConfirm(state.selectionData.map((x: any) => x.name).join('、'));
+        await useI18nDeleteConfirm(state.selectionData.map((x: any) => x.name).join('、'));
        await dbApi.deleteInstance.request({ id: state.selectionData.map((x: any) => x.id).join(',') });
        useI18nDeleteSuccessMsg();
        search();
--- a/frontend/src/views/ops/db/SyncTaskEdit.vue
+++ b/frontend/src/views/ops/db/SyncTaskEdit.vue
@@ -140,7 +140,7 @@
                                <el-table-column prop="src" :label="$t('db.srcField')" :width="200" />
                                <el-table-column prop="target" :label="$t('db.targetField')">
                                    <template #default="scope">
-                                        <el-select v-model="scope.row.target">
+                                        <el-select v-model="scope.row.target" allow-create filterable>
                                            <el-option
                                                v-for="item in state.targetColumnList"
                                                :key="item.columnName"
@@ -502,11 +502,13 @@ const handleGetSrcFields = async () => {
        sql,
    });

-    if (!res.columns) {
+    if (res.length && !res[0].columns) {
        ElMessage.warning(t('db.notColumnSql'));
        return;
    }

+    let data = res[0];
+
    let filedMap: any = {};
    if (state.form.fieldMap && state.form.fieldMap.length > 0) {
        state.form.fieldMap.forEach((a: any) => {
@@ -514,11 +516,11 @@ const handleGetSrcFields = async () => {
        });
    }

-    state.srcTableFields = res.columns.map((a: any) => a.name);
+    state.srcTableFields = data.columns.map((a: any) => a.name);

-    state.form.fieldMap = res.columns.map((a: any) => ({ src: a.name, target: filedMap[a.name] || '' }));
+    state.form.fieldMap = data.columns.map((a: any) => ({ src: a.name, target: filedMap[a.name] || '' }));

-    state.previewRes = res;
+    state.previewRes = data;
 };

 const handleGetTargetFields = async () => {
--- a/frontend/src/views/ops/db/component/sqleditor/DbSqlEditor.vue
+++ b/frontend/src/views/ops/db/component/sqleditor/DbSqlEditor.vue
@@ -104,7 +104,7 @@
                            </el-row>
                            <db-table-data
                                v-if="!dt.errorMsg"
-                                :ref="(el) => (dt.dbTableRef = el)"
+                                :ref="(el: any) => (dt.dbTableRef = el)"
                                :db-id="dbId"
                                :db="dbName"
                                :data="dt.data"
@@ -128,12 +128,12 @@
 </template>

 <script lang="ts" setup>
-import { h, nextTick, onMounted, reactive, ref, toRefs, unref } from 'vue';
+import { nextTick, onMounted, reactive, ref, toRefs, unref } from 'vue';
 import { getToken } from '@/common/utils/storage';
 import { notBlank } from '@/common/assert';
 import { format as sqlFormatter } from 'sql-formatter';
 import config from '@/common/config';
-import { ElMessage, ElMessageBox, ElNotification } from 'element-plus';
+import { ElMessage, ElMessageBox } from 'element-plus';

 import * as monaco from 'monaco-editor/esm/vs/editor/editor.api';
 import { editor } from 'monaco-editor';
@@ -144,9 +144,6 @@ import { dbApi } from '../../api';

 import MonacoEditor from '@/components/monaco/MonacoEditor.vue';
 import { joinClientParams } from '@/common/request';
-import { buildProgressProps } from '@/components/progress-notify/progress-notify';
-import ProgressNotify from '@/components/progress-notify/progress-notify.vue';
-import syssocket from '@/common/syssocket';
 import SvgIcon from '@/components/svgIcon/index.vue';
 import { Pane, Splitpanes } from 'splitpanes';
 import { useI18n } from 'vue-i18n';
@@ -593,44 +590,8 @@ const replaceSelection = (str: string, selection: any) => {
    });
 };

-/**
- * sql文件执行进度通知缓存
- */
-const sqlExecNotifyMap: Map<string, any> = new Map();
 const beforeUpload = (file: File) => {
    ElMessage.success(t('db.scriptFileUploadRunning', { filename: file.name }));
-    syssocket.registerMsgHandler('execSqlFileProgress', function (message: any) {
-        const content = JSON.parse(message.msg);
-        const id = content.id;
-        let progress = sqlExecNotifyMap.get(id);
-        if (content.terminated) {
-            if (progress != undefined) {
-                progress.notification?.close();
-                sqlExecNotifyMap.delete(id);
-                progress = undefined;
-            }
-            return;
-        }
-
-        if (progress == undefined) {
-            progress = {
-                props: reactive(buildProgressProps()),
-                notification: undefined,
-            };
-        }
-        progress.props.progress.title = content.title;
-        progress.props.progress.executedStatements = content.executedStatements;
-        if (!sqlExecNotifyMap.has(id)) {
-            progress.notification = ElNotification({
-                duration: 0,
-                title: message.title,
-                message: h(ProgressNotify, progress.props),
-                type: syssocket.getMsgType(message.type),
-                showClose: false,
-            });
-            sqlExecNotifyMap.set(id, progress);
-        }
-    });
 };

 // 执行sql成功
--- a/frontend/src/views/ops/db/component/table/ColumnFormItem.vue
+++ b/frontend/src/views/ops/db/component/table/ColumnFormItem.vue
@@ -1,36 +1,54 @@
 <template>
    <div class="string-input-container w100" v-if="dataType == DataType.String || dataType == DataType.Number">
        <el-input
-            :ref="(el: any) => focus && el?.focus()"
+            :ref="
+                (el: any) => {
+                    nextTick(() => {
+                        focus && el?.focus();
+                    });
+                }
+            "
            :disabled="disabled"
            @blur="handleBlur"
            :class="`w100 mb4 ${showEditorIcon ? 'string-input-container-show-icon' : ''}`"
            size="small"
            v-model="itemValue"
-            :placeholder="placeholder"
+            :placeholder="placeholder ?? $t('common.pleaseInput')"
        />
        <SvgIcon v-if="showEditorIcon" @mousedown="openEditor" class="string-input-container-icon" name="FullScreen" :size="10" />
    </div>

    <el-date-picker
        v-else-if="dataType == DataType.Date"
-        :ref="(el: any) => focus && el?.focus()"
+        :ref="
+            (el: any) => {
+                nextTick(() => {
+                    focus && el?.focus();
+                });
+            }
+        "
        :disabled="disabled"
-        @change="emit('blur')"
+        @change="handleBlur"
        @blur="handleBlur"
        class="edit-time-picker mb4"
        popper-class="edit-time-picker-popper"
        size="small"
        v-model="itemValue"
        :clearable="false"
-        type="Date"
+        type="date"
        value-format="YYYY-MM-DD"
-        :placeholder="`date-${placeholder}`"
+        :placeholder="`date-${placeholder ?? $t('common.pleaseSelect')}`"
    />

    <el-date-picker
        v-else-if="dataType == DataType.DateTime"
-        :ref="(el: any) => focus && el?.focus()"
+        :ref="
+            (el: any) => {
+                nextTick(() => {
+                    focus && el?.focus();
+                });
+            }
+        "
        :disabled="disabled"
        @change="handleBlur"
        @blur="handleBlur"
@@ -41,12 +59,18 @@
        :clearable="false"
        type="datetime"
        value-format="YYYY-MM-DD HH:mm:ss"
-        :placeholder="`datetime-${placeholder}`"
+        :placeholder="`datetime-${placeholder ?? $t('common.pleaseSelect')}`"
    />

    <el-time-picker
        v-else-if="dataType == DataType.Time"
-        :ref="(el: any) => focus && el?.focus()"
+        :ref="
+            (el: any) => {
+                nextTick(() => {
+                    focus && el?.focus();
+                });
+            }
+        "
        :disabled="disabled"
        @change="handleBlur"
        @blur="handleBlur"
@@ -56,12 +80,12 @@
        v-model="itemValue"
        :clearable="false"
        value-format="HH:mm:ss"
-        :placeholder="`time-${placeholder}`"
+        :placeholder="`time-${placeholder ?? $t('common.pleaseSelect')}`"
    />
 </template>

 <script lang="ts" setup>
-import { computed, ref, Ref } from 'vue';
+import { computed, nextTick, ref, Ref } from 'vue';
 import { ElInput, ElMessage } from 'element-plus';
 import { DataType } from '../../dialect/index';
 import SvgIcon from '@/components/svgIcon/index.vue';
--- a/frontend/src/views/ops/db/component/table/DbTableData.vue
+++ b/frontend/src/views/ops/db/component/table/DbTableData.vue
@@ -164,7 +164,7 @@ import SvgIcon from '@/components/svgIcon/index.vue';
 import { exportCsv, exportFile } from '@/common/utils/export';
 import { formatDate } from '@/common/utils/format';
 import { useIntervalFn, useStorage } from '@vueuse/core';
-import { ColumnTypeSubscript, compatibleMysql, DataType, DbDialect, getDbDialect } from '../../dialect/index';
+import { ColumnTypeSubscript, DataType, DbDialect, getDbDialect } from '../../dialect/index';
 import ColumnFormItem from './ColumnFormItem.vue';
 import DbTableDataForm from './DbTableDataForm.vue';
 import { useI18n } from 'vue-i18n';
@@ -454,24 +454,11 @@ onBeforeUnmount(() => {
    endLoading();
 });

-const formatDataValues = (datas: any) => {
-    // mysql数据暂不做处理
-    if (compatibleMysql(getNowDbInst().type)) {
-        return;
-    }
-
-    for (let data of datas) {
-        for (let column of props.columns!) {
-            data[column.columnName] = getFormatTimeValue(dbDialect.getDataType(column.dataType), data[column.columnName]);
-        }
-    }
-};
-
 const setTableData = (datas: any) => {
    tableRef.value?.scrollTo({ scrollLeft: 0, scrollTop: 0 });
    selectionRowsMap.value.clear();
    cellUpdateMap.value.clear();
-    formatDataValues(datas);
+    // formatDataValues(datas);
    state.datas = datas;
    setTableColumns(props.columns);
 };
@@ -684,7 +671,8 @@ const onExportSql = async () => {
 };

 const onEnterEditMode = (rowData: any, column: any, rowIndex = 0, columnIndex = 0) => {
-    if (!state.table) {
+    // 不存在表，或者已经在编辑中，则不处理
+    if (!state.table || nowUpdateCell.value) {
        return;
    }

@@ -697,7 +685,7 @@ const onEnterEditMode = (rowData: any, column: any, rowIndex = 0, columnIndex =
 };

 const onExitEditMode = (rowData: any, column: any, rowIndex = 0) => {
-    if (!nowUpdateCell) {
+    if (!nowUpdateCell.value) {
        return;
    }
    const oldValue = nowUpdateCell.value.oldValue;
@@ -788,32 +776,6 @@ const rowClass = (row: any) => {
    return '';
 };

-/**
- * 根据数据库返回的时间字段类型，获取格式化后的时间值
- * @param dataType getDataType返回的数据类型
- * @param originValue 原始值
- * @return 格式化后的值
- */
-const getFormatTimeValue = (dataType: DataType, originValue: string): string => {
-    if (!originValue || dataType === DataType.Number || dataType === DataType.String) {
-        return originValue;
-    }
-
-    // 把Z去掉
-    originValue = originValue.replace('Z', '');
-
-    switch (dataType) {
-        case DataType.Time:
-            return formatDate(originValue, 'HH:mm:ss');
-        case DataType.Date:
-            return formatDate(originValue, 'YYYY-MM-DD');
-        case DataType.DateTime:
-            return formatDate(originValue, 'YYYY-MM-DD HH:mm:ss');
-        default:
-            return originValue;
-    }
-};
-
 const scrollLeftValue = ref(0);
 const onTableScroll = (param: any) => {
    scrollLeftValue.value = param.scrollLeft;
--- a/frontend/src/views/ops/db/component/table/DbTableDataOp.vue
+++ b/frontend/src/views/ops/db/component/table/DbTableDataOp.vue
@@ -592,7 +592,7 @@ const onSelectByCondition = async () => {
 */
 const onTableSortChange = async (sort: any) => {
    const sortType = sort.order == 'desc' ? 'DESC' : 'ASC';
-    state.orderBy = `ORDER BY ${sort.columnName} ${sortType}`;
+    state.orderBy = `ORDER BY ${state.dbDialect.quoteIdentifier(sort.columnName)} ${sortType}`;
    await onRefresh();
 };

--- a/frontend/src/views/ops/db/component/table/DbTableOp.vue
+++ b/frontend/src/views/ops/db/component/table/DbTableOp.vue
@@ -79,7 +79,7 @@
                </el-tab-pane>
                <el-tab-pane :label="$t('db.index')" name="2">
                    <el-table :data="tableData.indexs.res" :max-height="tableData.height">
-                        <el-table-column :prop="item.prop" :label="item.label" v-for="item in tableData.indexs.colNames" :key="item.prop">
+                        <el-table-column :prop="item.prop" :label="$t(item.label)" v-for="item in tableData.indexs.colNames" :key="item.prop">
                            <template #default="scope">
                                <el-input v-if="item.prop === 'indexName'" size="small" disabled v-model="scope.row.indexName"></el-input>

@@ -241,7 +241,7 @@ const state = reactive({
            colNames: [
                {
                    prop: 'indexName',
-                    label: 'db.indexName',
+                    label: 'common.name',
                },
                {
                    prop: 'columnNames',
--- a/frontend/src/views/ops/db/dialect/postgres_dialect.ts
+++ b/frontend/src/views/ops/db/dialect/postgres_dialect.ts
@@ -209,8 +209,7 @@ class PostgresqlDialect implements DbDialect {
    }

    quoteIdentifier = (name: string) => {
-        // 后端sql解析器暂不支持pgsql
-        return name;
+        return `"${name}"`;
    };

    matchType(text: string, arr: string[]): boolean {
--- a/frontend/src/views/ops/db/enums.ts
+++ b/frontend/src/views/ops/db/enums.ts
@@ -22,7 +22,7 @@ export const DbSqlExecStatusEnum = {

 export const DbDataSyncDuplicateStrategyEnum = {
    None: EnumValue.of(-1, 'db.none'),
-    Ignore: EnumValue.of(1, 'db.ingore'),
+    Ignore: EnumValue.of(1, 'db.ignore'),
    Replace: EnumValue.of(2, 'db.replace'),
 };

--- a/server/go.mod
+++ b/server/go.mod
@@ -32,9 +32,9 @@ require (
 	github.com/tidwall/gjson v1.18.0
 	github.com/veops/go-ansiterm v0.0.5
 	go.mongodb.org/mongo-driver v1.16.0 // mongo
-	golang.org/x/crypto v0.29.0 // ssh
+	golang.org/x/crypto v0.30.0 // ssh
 	golang.org/x/oauth2 v0.23.0
-	golang.org/x/sync v0.9.0
+	golang.org/x/sync v0.10.0
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v3 v3.0.1
 	// gorm
@@ -93,8 +93,8 @@ require (
 	golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e // indirect
 	golang.org/x/image v0.13.0 // indirect
 	golang.org/x/net v0.25.0 // indirect
-	golang.org/x/sys v0.27.0 // indirect
-	golang.org/x/text v0.20.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
 	google.golang.org/protobuf v1.34.1 // indirect
 	modernc.org/libc v1.22.5 // indirect
 	modernc.org/mathutil v1.5.0 // indirect
--- a/server/internal/auth/api/account_login.go
+++ b/server/internal/auth/api/account_login.go
@@ -6,15 +6,15 @@ import (
 	"mayfly-go/internal/auth/api/form"
 	"mayfly-go/internal/auth/config"
 	"mayfly-go/internal/auth/imsg"
+	"mayfly-go/internal/auth/pkg/captcha"
+	"mayfly-go/internal/auth/pkg/otp"
 	msgapp "mayfly-go/internal/msg/application"
 	sysapp "mayfly-go/internal/sys/application"
 	sysentity "mayfly-go/internal/sys/domain/entity"
 	"mayfly-go/pkg/biz"
 	"mayfly-go/pkg/cache"
-	"mayfly-go/pkg/captcha"
 	"mayfly-go/pkg/errorx"
 	"mayfly-go/pkg/model"
-	"mayfly-go/pkg/otp"
 	"mayfly-go/pkg/req"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/cryptox"
--- a/server/internal/auth/api/captcha.go
+++ b/server/internal/auth/api/captcha.go
@@ -1,8 +1,8 @@
 package api

 import (
+	"mayfly-go/internal/auth/pkg/captcha"
 	"mayfly-go/pkg/biz"
-	"mayfly-go/pkg/captcha"
 	"mayfly-go/pkg/req"
 	"mayfly-go/pkg/utils/collx"
 )
--- a/server/internal/auth/api/common.go
+++ b/server/internal/auth/api/common.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"mayfly-go/internal/auth/config"
 	"mayfly-go/internal/auth/imsg"
+	"mayfly-go/internal/auth/pkg/otp"
 	msgapp "mayfly-go/internal/msg/application"
 	msgentity "mayfly-go/internal/msg/domain/entity"
 	sysapp "mayfly-go/internal/sys/application"
@@ -12,7 +13,6 @@ import (
 	"mayfly-go/pkg/biz"
 	"mayfly-go/pkg/cache"
 	"mayfly-go/pkg/i18n"
-	"mayfly-go/pkg/otp"
 	"mayfly-go/pkg/req"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/jsonx"
--- a/server/internal/auth/api/ldap_login.go
+++ b/server/internal/auth/api/ldap_login.go
@@ -7,12 +7,12 @@ import (
 	"mayfly-go/internal/auth/api/form"
 	"mayfly-go/internal/auth/config"
 	"mayfly-go/internal/auth/imsg"
+	"mayfly-go/internal/auth/pkg/captcha"
 	msgapp "mayfly-go/internal/msg/application"
 	sysapp "mayfly-go/internal/sys/application"
 	sysentity "mayfly-go/internal/sys/domain/entity"
 	"mayfly-go/pkg/biz"
 	"mayfly-go/pkg/cache"
-	"mayfly-go/pkg/captcha"
 	"mayfly-go/pkg/errorx"
 	"mayfly-go/pkg/model"
 	"mayfly-go/pkg/req"
--- a/server/internal/auth/infrastructure/persistence/oauth2.go
+++ b/server/internal/auth/infrastructure/persistence/oauth2.go
@@ -11,5 +11,5 @@ type oauth2AccountRepoImpl struct {
 }

 func newAuthAccountRepo() repository.Oauth2Account {
-	return &oauth2AccountRepoImpl{base.RepoImpl[*entity.Oauth2Account]{M: new(entity.Oauth2Account)}}
+	return &oauth2AccountRepoImpl{}
 }
--- a/server/internal/auth/pkg/captcha/captcha.go
+++ b/server/internal/auth/pkg/captcha/captcha.go
--- a/server/internal/auth/pkg/otp/otp.go
+++ b/server/internal/auth/pkg/otp/otp.go
--- a/server/internal/auth/router/account.go
+++ b/server/internal/auth/router/account.go
@@ -0,0 +1,37 @@
+package router
+
+import (
+	"mayfly-go/internal/auth/api"
+	"mayfly-go/internal/auth/imsg"
+	"mayfly-go/pkg/biz"
+	"mayfly-go/pkg/ioc"
+	"mayfly-go/pkg/req"
+
+	"github.com/gin-gonic/gin"
+)
+
+func InitAccount(router *gin.RouterGroup) {
+	accountLogin := new(api.AccountLogin)
+	biz.ErrIsNil(ioc.Inject(accountLogin))
+
+	ldapLogin := new(api.LdapLogin)
+	biz.ErrIsNil(ioc.Inject(ldapLogin))
+
+	rg := router.Group("/auth/accounts")
+
+	reqs := [...]*req.Conf{
+
+		// 用户账号密码登录
+		req.NewPost("/login", accountLogin.Login).Log(req.NewLogSaveI(imsg.LogAccountLogin)).DontNeedToken(),
+
+		req.NewGet("/refreshToken", accountLogin.RefreshToken).DontNeedToken(),
+
+		// 用户退出登录
+		req.NewPost("/logout", accountLogin.Logout),
+
+		// 用户otp双因素校验
+		req.NewPost("/otp-verify", accountLogin.OtpVerify).DontNeedToken(),
+	}
+
+	req.BatchSetGroup(rg, reqs[:])
+}
--- a/server/internal/auth/router/captcha.go
+++ b/server/internal/auth/router/captcha.go
@@ -1,13 +1,13 @@
 package router

 import (
-	"mayfly-go/internal/sys/api"
+	"mayfly-go/internal/auth/api"
 	"mayfly-go/pkg/req"

 	"github.com/gin-gonic/gin"
 )

-func InitCaptchaRouter(router *gin.RouterGroup) {
+func InitCaptcha(router *gin.RouterGroup) {
 	captcha := router.Group("sys/captcha")
 	{
 		req.NewGet("", api.GenerateCaptcha).DontNeedToken().Group(captcha)
--- a/server/internal/auth/router/ldap.go
+++ b/server/internal/auth/router/ldap.go
@@ -0,0 +1,25 @@
+package router
+
+import (
+	"mayfly-go/internal/auth/api"
+	"mayfly-go/internal/auth/imsg"
+	"mayfly-go/pkg/biz"
+	"mayfly-go/pkg/ioc"
+	"mayfly-go/pkg/req"
+
+	"github.com/gin-gonic/gin"
+)
+
+func InitLdap(router *gin.RouterGroup) {
+	ldapLogin := new(api.LdapLogin)
+	biz.ErrIsNil(ioc.Inject(ldapLogin))
+
+	rg := router.Group("/auth/ldap")
+
+	reqs := [...]*req.Conf{
+		req.NewGet("/enabled", ldapLogin.GetLdapEnabled).DontNeedToken(),
+		req.NewPost("/login", ldapLogin.Login).Log(req.NewLogSaveI(imsg.LogLdapLogin)).DontNeedToken(),
+	}
+
+	req.BatchSetGroup(rg, reqs[:])
+}
--- a/server/internal/auth/router/oauth2.go
+++ b/server/internal/auth/router/oauth2.go
@@ -0,0 +1,37 @@
+package router
+
+import (
+	"mayfly-go/internal/auth/api"
+	"mayfly-go/internal/auth/imsg"
+	"mayfly-go/pkg/biz"
+	"mayfly-go/pkg/ioc"
+	"mayfly-go/pkg/req"
+
+	"github.com/gin-gonic/gin"
+)
+
+func InitOauth2(router *gin.RouterGroup) {
+	oauth2Login := new(api.Oauth2Login)
+	biz.ErrIsNil(ioc.Inject(oauth2Login))
+
+	rg := router.Group("/auth/oauth2")
+
+	reqs := [...]*req.Conf{
+
+		req.NewGet("/config", oauth2Login.Oauth2Config).DontNeedToken(),
+
+		// oauth2登录
+		req.NewGet("/login", oauth2Login.OAuth2Login).DontNeedToken(),
+
+		req.NewGet("/bind", oauth2Login.OAuth2Bind),
+
+		// oauth2回调地址
+		req.NewGet("/callback", oauth2Login.OAuth2Callback).Log(req.NewLogSaveI(imsg.LogOauth2Callback)).DontNeedToken(),
+
+		req.NewGet("/status", oauth2Login.Oauth2Status),
+
+		req.NewGet("/unbind", oauth2Login.Oauth2Unbind).Log(req.NewLogSaveI(imsg.LogOauth2Unbind)),
+	}
+
+	req.BatchSetGroup(rg, reqs[:])
+}
--- a/server/internal/auth/router/router.go
+++ b/server/internal/auth/router/router.go
@@ -1,60 +1,10 @@
 package router

-import (
-	"mayfly-go/internal/auth/api"
-	"mayfly-go/internal/auth/imsg"
-	"mayfly-go/pkg/biz"
-	"mayfly-go/pkg/ioc"
-	"mayfly-go/pkg/req"
-
-	"github.com/gin-gonic/gin"
-)
+import "github.com/gin-gonic/gin"

 func Init(router *gin.RouterGroup) {
-	accountLogin := new(api.AccountLogin)
-	biz.ErrIsNil(ioc.Inject(accountLogin))
-
-	ldapLogin := new(api.LdapLogin)
-	biz.ErrIsNil(ioc.Inject(ldapLogin))
-
-	oauth2Login := new(api.Oauth2Login)
-	biz.ErrIsNil(ioc.Inject(oauth2Login))
-
-	rg := router.Group("/auth")
-
-	reqs := [...]*req.Conf{
-
-		// 用户账号密码登录
-		req.NewPost("/accounts/login", accountLogin.Login).Log(req.NewLogSaveI(imsg.LogAccountLogin)).DontNeedToken(),
-
-		req.NewGet("/accounts/refreshToken", accountLogin.RefreshToken).DontNeedToken(),
-
-		// 用户退出登录
-		req.NewPost("/accounts/logout", accountLogin.Logout),
-
-		// 用户otp双因素校验
-		req.NewPost("/accounts/otp-verify", accountLogin.OtpVerify).DontNeedToken(),
-
-		/*--------oauth2登录相关----------*/
-
-		req.NewGet("/oauth2-config", oauth2Login.Oauth2Config).DontNeedToken(),
-
-		// oauth2登录
-		req.NewGet("/oauth2/login", oauth2Login.OAuth2Login).DontNeedToken(),
-
-		req.NewGet("/oauth2/bind", oauth2Login.OAuth2Bind),
-
-		// oauth2回调地址
-		req.NewGet("/oauth2/callback", oauth2Login.OAuth2Callback).Log(req.NewLogSaveI(imsg.LogOauth2Callback)).DontNeedToken(),
-
-		req.NewGet("/oauth2/status", oauth2Login.Oauth2Status),
-
-		req.NewGet("/oauth2/unbind", oauth2Login.Oauth2Unbind).Log(req.NewLogSaveI(imsg.LogOauth2Unbind)),
-
-		// LDAP 登录
-		req.NewGet("/ldap/enabled", ldapLogin.GetLdapEnabled).DontNeedToken(),
-		req.NewPost("/ldap/login", ldapLogin.Login).Log(req.NewLogSaveI(imsg.LogLdapLogin)).DontNeedToken(),
-	}
-
-	req.BatchSetGroup(rg, reqs[:])
+	InitCaptcha(router)
+	InitAccount(router)
+	InitOauth2(router)
+	InitLdap(router)
 }
--- a/server/internal/db/api/db.go
+++ b/server/internal/db/api/db.go
@@ -9,7 +9,6 @@ import (
 	"mayfly-go/internal/db/application/dto"
 	"mayfly-go/internal/db/config"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/internal/db/dbm/sqlparser"
 	"mayfly-go/internal/db/domain/entity"
 	"mayfly-go/internal/db/imsg"
 	"mayfly-go/internal/event"
@@ -26,9 +25,7 @@ import (
 	"mayfly-go/pkg/utils/anyx"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/cryptox"
-	"mayfly-go/pkg/utils/stringx"
 	"mayfly-go/pkg/utils/writerx"
-	"mayfly-go/pkg/ws"
 	"strings"
 	"time"

@@ -118,7 +115,7 @@ func (d *Db) ExecSql(rc *req.Ctx) {
 	rc.ReqParam = fmt.Sprintf("%s %s\n-> %s", dbConn.Info.GetLogDesc(), form.ExecId, sqlStr)
 	biz.NotEmpty(form.Sql, "sql cannot be empty")

-	execReq := &application.DbSqlExecReq{
+	execReq := &dto.DbSqlExecReq{
 		DbId:      dbId,
 		Db:        form.Db,
 		Remark:    form.Remark,
@@ -163,47 +160,12 @@ func (d *Db) ExecSqlFile(rc *req.Ctx) {
 	biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.GetLoginAccount().Id, dbConn.Info.CodePath...), "%s")
 	rc.ReqParam = fmt.Sprintf("filename: %s -> %s", filename, dbConn.Info.GetLogDesc())

-	defer func() {
-		if err := recover(); err != nil {
-			errInfo := anyx.ToString(err)
-			if len(errInfo) > 300 {
-				errInfo = errInfo[:300] + "..."
-			}
-			d.MsgApp.CreateAndSend(rc.GetLoginAccount(), msgdto.ErrSysMsg(i18n.T(imsg.SqlScriptRunFail), fmt.Sprintf("[%s][%s] execution failure: [%s]", filename, dbConn.Info.GetLogDesc(), errInfo)).WithClientId(clientId))
-		}
-	}()
-
-	executedStatements := 0
-	progressId := stringx.Rand(32)
-	laId := rc.GetLoginAccount().Id
-	defer ws.SendJsonMsg(ws.UserId(laId), clientId, msgdto.InfoSysMsg(i18n.T(imsg.SqlScripRunProgress), &progressMsg{
-		Id:                 progressId,
-		Title:              filename,
-		ExecutedStatements: executedStatements,
-		Terminated:         true,
-	}).WithCategory(progressCategory))
-	ticker := time.NewTicker(time.Second * 1)
-	defer ticker.Stop()
-
-	err = sqlparser.SQLSplit(file, func(sql string) error {
-		select {
-		case <-ticker.C:
-			ws.SendJsonMsg(ws.UserId(laId), clientId, msgdto.InfoSysMsg(i18n.T(imsg.SqlScripRunProgress), &progressMsg{
-				Id:                 progressId,
-				Title:              filename,
-				ExecutedStatements: executedStatements,
-				Terminated:         false,
-			}).WithCategory(progressCategory))
-		default:
-		}
-
-		executedStatements++
-		_, err = dbConn.Exec(sql)
-		return err
-	})
-
-	biz.ErrIsNilAppendErr(err, "%s")
-	d.MsgApp.CreateAndSend(rc.GetLoginAccount(), msgdto.SuccessSysMsg(i18n.T(imsg.SqlScriptRunSuccess), fmt.Sprintf("execution success: %s", rc.ReqParam)).WithClientId(clientId))
+	biz.ErrIsNil(d.DbSqlExecApp.ExecReader(rc.MetaCtx, &dto.SqlReaderExec{
+		Reader:   file,
+		Filename: filename,
+		DbConn:   dbConn,
+		ClientId: clientId,
+	}))
 }

 // 数据库dump
--- a/server/internal/db/api/db_transfer.go
+++ b/server/internal/db/api/db_transfer.go
@@ -2,28 +2,18 @@ package api

 import (
 	"context"
-	"fmt"
 	"mayfly-go/internal/db/api/form"
 	"mayfly-go/internal/db/api/vo"
 	"mayfly-go/internal/db/application"
-	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/internal/db/dbm/sqlparser"
+	"mayfly-go/internal/db/application/dto"
 	"mayfly-go/internal/db/domain/entity"
-	"mayfly-go/internal/db/imsg"
 	fileapp "mayfly-go/internal/file/application"
 	msgapp "mayfly-go/internal/msg/application"
-	msgdto "mayfly-go/internal/msg/application/dto"
 	tagapp "mayfly-go/internal/tag/application"
 	"mayfly-go/pkg/biz"
-	"mayfly-go/pkg/i18n"
-	"mayfly-go/pkg/model"
 	"mayfly-go/pkg/req"
-	"mayfly-go/pkg/utils/anyx"
 	"mayfly-go/pkg/utils/collx"
-	"mayfly-go/pkg/utils/stringx"
-	"mayfly-go/pkg/ws"
 	"strings"
-	"time"

 	"github.com/may-fly/cast"
 )
@@ -120,7 +110,6 @@ func (d *DbTransferTask) FileDel(rc *req.Ctx) {
 }

 func (d *DbTransferTask) FileRun(rc *req.Ctx) {
-
 	fm := req.BindJsonAndValid(rc, &form.DbTransferFileRunForm{})

 	rc.ReqParam = fm
@@ -132,69 +121,15 @@ func (d *DbTransferTask) FileRun(rc *req.Ctx) {
 	biz.ErrIsNilAppendErr(err, "failed to connect to the target database: %s")
 	biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.GetLoginAccount().Id, targetDbConn.Info.CodePath...), "%s")

-	defer func() {
-		if err := recover(); err != nil {
-			errInfo := anyx.ToString(err)
-			if len(errInfo) > 300 {
-				errInfo = errInfo[:300] + "..."
-			}
-			d.MsgApp.CreateAndSend(rc.GetLoginAccount(), msgdto.ErrSysMsg(i18n.T(imsg.SqlScriptRunFail), fmt.Sprintf("[%s][%s] run failed: [%s]", tFile.FileKey, targetDbConn.Info.GetLogDesc(), errInfo)).WithClientId(fm.ClientId))
-		}
-	}()
-
-	go func() {
-		d.fileRun(rc.GetLoginAccount(), fm, tFile, targetDbConn)
-	}()
-
-}
-
-func (d *DbTransferTask) fileRun(la *model.LoginAccount, fm *form.DbTransferFileRunForm, tFile *entity.DbTransferFile, targetDbConn *dbi.DbConn) {
 	filename, reader, err := d.FileApp.GetReader(context.TODO(), tFile.FileKey)
-
-	executedStatements := 0
-	progressId := stringx.Rand(32)
-	laId := la.Id
-
-	ticker := time.NewTicker(time.Second * 1)
-	defer ticker.Stop()
-
-	defer func() {
-		if err := recover(); err != nil {
-			errInfo := anyx.ToString(err)
-			if len(errInfo) > 500 {
-				errInfo = errInfo[:500] + "..."
-			}
-			d.MsgApp.CreateAndSend(la, msgdto.ErrSysMsg(i18n.T(imsg.SqlScriptRunFail), errInfo).WithClientId(fm.ClientId))
-		}
+	biz.ErrIsNil(err)
+	go func() {
+		biz.ErrIsNil(d.DbSqlExecApp.ExecReader(rc.MetaCtx, &dto.SqlReaderExec{
+			Reader:   reader,
+			Filename: filename,
+			DbConn:   targetDbConn,
+			ClientId: fm.ClientId,
+		}))
 	}()

-	if err != nil {
-		biz.ErrIsNilAppendErr(err, "failed to connect to the target database: %s")
-	}
-
-	errSql := ""
-	err = sqlparser.SQLSplit(reader, func(sql string) error {
-		select {
-		case <-ticker.C:
-			ws.SendJsonMsg(ws.UserId(laId), fm.ClientId, msgdto.InfoSqlProgressMsg(i18n.T(imsg.SqlScripRunProgress), &progressMsg{
-				Id:                 progressId,
-				Title:              filename,
-				ExecutedStatements: executedStatements,
-				Terminated:         false,
-			}).WithCategory(progressCategory))
-		default:
-		}
-		executedStatements++
-		_, err = targetDbConn.Exec(sql)
-		if err != nil {
-			errSql = sql
-		}
-		return err
-	})
-
-	if err != nil {
-		biz.ErrIsNil(err, "[%s] execution failed: %s", errSql, err)
-	}
-
-	d.MsgApp.CreateAndSend(la, msgdto.SuccessSysMsg(i18n.T(imsg.SqlScriptRunSuccess), fmt.Sprintf("sql execution successfully: %s", filename)).WithClientId(fm.ClientId))
 }
--- a/server/internal/db/application/db.go
+++ b/server/internal/db/application/db.go
@@ -214,7 +214,7 @@ func (d *dbAppImpl) GetDbConnByInstanceId(instanceId uint64) (*dbi.DbConn, error
 		return nil, errorx.NewBiz("failed to get database list")
 	}
 	if len(dbs) == 0 {
-		return nil, errorx.NewBiz("DB instance [%d] Database is not configured, please configure it first", instanceId)
+		return nil, errorx.NewBiz("DB instance [%d] database is not configured, please configure it first", instanceId)
 	}

 	// 使用该实例关联的已配置数据库中的第一个库进行连接并返回
@@ -227,6 +227,10 @@ func (d *dbAppImpl) DumpDb(ctx context.Context, reqParam *dto.DumpDb) error {
 	if reqParam.Log != nil {
 		log = reqParam.Log
 	}
+	progress := dto.DefaultDumpProgress
+	if reqParam.Progress != nil {
+		progress = reqParam.Progress
+	}

 	writer := writerx.NewStringWriter(reqParam.Writer)
 	defer writer.Close()
@@ -249,23 +253,16 @@ func (d *dbAppImpl) DumpDb(ctx context.Context, reqParam *dto.DumpDb) error {
 	// 获取目标元数据，仅生成sql，用于生成建表语句和插入数据，不能用于查询
 	targetDialect := dbConn.GetDialect()
 	if reqParam.TargetDbType != "" && dbConn.Info.Type != reqParam.TargetDbType {
-		// 创建一个假连接，仅用于调用方言生成sql，不做数据库连接操作
-		meta := dbi.GetMeta(reqParam.TargetDbType)
-		dbConn := &dbi.DbConn{Info: &dbi.DbInfo{
-			Type: reqParam.TargetDbType,
-			Meta: meta,
-		}}
-
-		targetDialect = meta.GetDialect(dbConn)
+		targetDialect = dbi.GetDialect(reqParam.TargetDbType)
 	}

 	srcMeta := dbConn.GetMetadata()
 	srcDialect := dbConn.GetDialect()
 	if len(tables) == 0 {
-		log("Gets the table information that can be export...")
+		log("gets the table information that can be export...")
 		ti, err := srcMeta.GetTables()
 		if err != nil {
-			log(fmt.Sprintf("Failed to get table info %s", err.Error()))
+			log(fmt.Sprintf("failed to get table info %s", err.Error()))
 		}
 		biz.ErrIsNil(err)
 		tables = make([]string, len(ti))
@@ -275,105 +272,133 @@ func (d *dbAppImpl) DumpDb(ctx context.Context, reqParam *dto.DumpDb) error {
 		log(fmt.Sprintf("Get %d tables", len(tables)))
 	}
 	if len(tables) == 0 {
-		log("No table to export. End export")
+		log("no table to export. end export")
 		return errorx.NewBiz("there is no table to export")
 	}

-	log("Querying column information...")
+	log("querying column information...")
 	// 查询列信息，后面生成建表ddl和insert都需要列信息
 	columns, err := srcMeta.GetColumns(tables...)
 	if err != nil {
-		log(fmt.Sprintf("Failed to query column information: %s", err.Error()))
+		log(fmt.Sprintf("failed to query column information: %s", err.Error()))
 	}
 	biz.ErrIsNil(err)

 	// 以表名分组，存放每个表的列信息
 	columnMap := make(map[string][]dbi.Column)
 	for _, column := range columns {
+		if err := dbi.ConvToTargetDbColumn(dbConn.Info.Type, cmp.Or(reqParam.TargetDbType, dbConn.Info.Type), targetDialect, &column); err != nil {
+			return err
+		}
 		columnMap[column.TableName] = append(columnMap[column.TableName], column)
 	}

 	// 按表名排序
 	sort.Strings(tables)
-
-	quoteSchema := srcDialect.QuoteIdentifier(dbConn.Info.CurrentSchema())
+	quoteSchema := srcDialect.Quoter().Quote(dbConn.Info.CurrentSchema())
 	dumpHelper := targetDialect.GetDumpHelper()
-	dataHelper := targetDialect.GetDataHelper()

+	targetSqlGenerator := targetDialect.GetSQLGenerator()
+	targetDialectQuote := targetDialect.Quoter().Quote
 	// 遍历获取每个表的信息
 	for _, tableName := range tables {
-		log(fmt.Sprintf("Get table [%s] information...", tableName))
-		quoteTableName := targetDialect.QuoteIdentifier(tableName)
+		log(fmt.Sprintf("get table [%s] information...", tableName))
+		quoteTableName := targetDialectQuote(tableName)

 		// 查询表信息，主要是为了查询表注释
 		tbs, err := srcMeta.GetTables(tableName)
 		if err != nil {
-			log(fmt.Sprintf("Failed to get table [%s] information: %s", tableName, err.Error()))
+			log(fmt.Sprintf("failed to get table [%s] information: %s", tableName, err.Error()))
 			return err
 		}
 		if len(tbs) <= 0 {
-			log(fmt.Sprintf("Failed to get table [%s] information: No table information was retrieved", tableName))
+			log(fmt.Sprintf("failed to get table [%s] information: No table information was retrieved", tableName))
 			return errorx.NewBiz(fmt.Sprintf("Failed to get table information: %s", tableName))
 		}
-		tabInfo := dbi.Table{
-			TableName:    tableName,
-			TableComment: tbs[0].TableComment,
-		}
+
+		tableInfo := tbs[0]
+		columns := columnMap[tableName]

 		// 生成表结构信息
 		if reqParam.DumpDDL {
-			log(fmt.Sprintf("Generate table [%s] DDL...", tableName))
+			log(fmt.Sprintf("generate table [%s] DDL...", tableName))
 			writer.WriteString(fmt.Sprintf("\n-- ----------------------------\n-- Table structure: %s \n-- ----------------------------\n", tableName))
-			tbDdlArr := targetDialect.GenerateTableDDL(columnMap[tableName], tabInfo, true)
+			tbDdlArr := targetSqlGenerator.GenTableDDL(tableInfo, columns, true)
 			for _, ddl := range tbDdlArr {
-				writer.WriteString(ddl + ";\n")
+				if _, err := writer.WriteString(ddl + ";\n"); err != nil {
+					return err
+				}
 			}
+			progress(tableName, dbi.StmtTypeDDL, len(tbDdlArr), true)
 		}

 		// 生成insert sql，数据在索引前，加速insert
 		if reqParam.DumpData {
-			log(fmt.Sprintf("Generate table [%s] DML...", tableName))
+			log(fmt.Sprintf("generate table [%s] DML...", tableName))
 			writer.WriteString(fmt.Sprintf("\n-- ----------------------------\n-- Data: %s \n-- ----------------------------\n", tableName))

 			dumpHelper.BeforeInsert(writer, quoteTableName)
-			// 获取列信息
-			quoteColNames := make([]string, 0)
-			for _, col := range columnMap[tableName] {
-				quoteColNames = append(quoteColNames, targetDialect.QuoteIdentifier(col.ColumnName))
-			}

-			_, _ = dbConn.WalkTableRows(ctx, tableName, func(row map[string]any, _ []*dbi.QueryColumn) error {
-				rowValues := make([]string, len(columnMap[tableName]))
-				for i, col := range columnMap[tableName] {
-					rowValues[i] = dataHelper.WrapValue(row[col.ColumnName], dataHelper.GetDataType(string(col.DataType)))
+			dataCount := 0
+			rows := make([][]any, 0)
+			_, err = dbConn.WalkTableRows(ctx, tableName, func(row map[string]any, _ []*dbi.QueryColumn) error {
+				rowValues := make([]any, len(columns))
+				for i, col := range columns {
+					rowValues[i] = row[col.ColumnName]
+				}
+				rows = append(rows, rowValues)
+				dataCount++
+				if dataCount%500 != 0 {
+					return nil
 				}

 				beforeInsert := dumpHelper.BeforeInsertSql(quoteSchema, quoteTableName)
-				insertSQL := fmt.Sprintf("%s INSERT INTO %s (%s) values(%s)", beforeInsert, quoteTableName, strings.Join(quoteColNames, ", "), strings.Join(rowValues, ", "))
-				writer.WriteString(insertSQL + ";\n")
+				writer.WriteString(beforeInsert)
+				insertSql := targetSqlGenerator.GenInsert(tableName, columns, rows, dbi.DuplicateStrategyNone)
+				if _, err := writer.WriteString(strings.Join(insertSql, ";\n") + ";\n"); err != nil {
+					return err
+				}
+				progress(tableName, dbi.StmtTypeInsert, dataCount, false)
+				rows = make([][]any, 0)
 				return nil
 			})

-			dumpHelper.AfterInsert(writer, tableName, columnMap[tableName])
+			if err != nil {
+				return err
+			}
+
+			if len(rows) > 0 {
+				beforeInsert := dumpHelper.BeforeInsertSql(quoteSchema, quoteTableName)
+				writer.WriteString(beforeInsert)
+				insertSql := targetSqlGenerator.GenInsert(tableName, columns, rows, dbi.DuplicateStrategyNone)
+				if _, err := writer.WriteString(strings.Join(insertSql, ";\n") + ";\n"); err != nil {
+					return err
+				}
+			}
+
+			dumpHelper.AfterInsert(writer, tableName, columns)
+			progress(tableName, dbi.StmtTypeInsert, dataCount, true)
 		}

-		log(fmt.Sprintf("Get table [%s] index information...", tableName))
+		log(fmt.Sprintf("get table [%s] index information...", tableName))
 		indexs, err := srcMeta.GetTableIndex(tableName)
 		if err != nil {
-			log(fmt.Sprintf("Failed to get table [%s] index information: %s", tableName, err.Error()))
+			log(fmt.Sprintf("failed to get table [%s] index information: %s", tableName, err.Error()))
 			return err
 		}

 		if len(indexs) > 0 {
 			// 最后添加索引
-			log(fmt.Sprintf("Generate table [%s] index...", tableName))
+			log(fmt.Sprintf("generate table [%s] index...", tableName))
 			writer.WriteString(fmt.Sprintf("\n-- ----------------------------\n-- Table Index: %s \n-- ----------------------------\n", tableName))
-			sqlArr := targetDialect.GenerateIndexDDL(indexs, tabInfo)
+			sqlArr := targetSqlGenerator.GenIndexDDL(tableInfo, indexs)
 			for _, sqlStr := range sqlArr {
-				writer.WriteString(sqlStr + ";\n")
+				if _, err := writer.WriteString(sqlStr + ";\n"); err != nil {
+					return err
+				}
 			}
+			progress(tableName, dbi.StmtTypeDDL, len(sqlArr), true)
 		}
-
 	}

 	return nil
--- a/server/internal/db/application/db_data_sync.go
+++ b/server/internal/db/application/db_data_sync.go
@@ -1,6 +1,7 @@
 package application

 import (
+	"cmp"
 	"context"
 	"database/sql"
 	"encoding/json"
@@ -14,8 +15,8 @@ import (
 	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/model"
 	"mayfly-go/pkg/scheduler"
+	"mayfly-go/pkg/utils/collx"
 	"regexp"
-	"strconv"
 	"strings"
 	"time"

@@ -145,28 +146,11 @@ func (app *dataSyncAppImpl) RunCronJob(ctx context.Context, id uint64) error {
 		updSql := ""
 		orderSql := ""
 		if task.UpdFieldVal != "0" && task.UpdFieldVal != "" && task.UpdField != "" {
-			srcConn, err := app.dbApp.GetDbConn(uint64(task.SrcDbId), task.SrcDbName)
 			if err != nil {
 				logx.ErrorfContext(ctx, "data source connection unavailable: %s", err.Error())
 				return
 			}
-
-			task.UpdFieldVal = strings.Trim(task.UpdFieldVal, " ")
-
-			// 判断UpdFieldVal数据类型
-			var updFieldValType dbi.DataType
-			if _, err = strconv.Atoi(task.UpdFieldVal); err != nil {
-				if dateTimeReg.MatchString(task.UpdFieldVal) || dateTimeIsoReg.MatchString(task.UpdFieldVal) {
-					updFieldValType = dbi.DataTypeDateTime
-				} else {
-					updFieldValType = dbi.DataTypeString
-				}
-			} else {
-				updFieldValType = dbi.DataTypeNumber
-			}
-			wrapUpdFieldVal := srcConn.GetDialect().GetDataHelper().WrapValue(task.UpdFieldVal, updFieldValType)
-			updSql = fmt.Sprintf("and %s > %s", task.UpdField, wrapUpdFieldVal)
-
+			updSql = fmt.Sprintf("and %s > %s", task.UpdField, strings.Trim(task.UpdFieldVal, " "))
 			orderSql = "order by " + task.UpdField + " asc "
 		}
 		// 正则判断DataSql是否以where .*结尾，如果是则不添加where 1 = 1
@@ -221,15 +205,13 @@ func (app *dataSyncAppImpl) doDataSync(ctx context.Context, sql string, task *en
 		}
 	}()

-	srcDialect := srcConn.GetDialect()
-
 	// task.FieldMap为json数组字符串 [{"src":"id","target":"id"}]，转为map
 	var fieldMap []map[string]string
 	err = json.Unmarshal([]byte(task.FieldMap), &fieldMap)
 	if err != nil {
 		return syncLog, errorx.NewBiz("there was an error parsing the field map json: %s", err.Error())
 	}
-	var updFieldType dbi.DataType
+	var updFieldType *dbi.DbDataType

 	// 记录本次同步数据总数
 	total := 0
@@ -243,15 +225,28 @@ func (app *dataSyncAppImpl) doDataSync(ctx context.Context, sql string, task *en
 		updFieldName = strings.Split(task.UpdField, ".")[1]
 	}

+	targetTableColumns, err := targetConn.GetMetadata().GetColumns(task.TargetTableName)
+	if err != nil {
+		return syncLog, errorx.NewBiz("failed to get target table columns: %s", err.Error())
+	}
+	targetColumnName2Column := collx.ArrayToMap(targetTableColumns, func(column dbi.Column) string {
+		return column.ColumnName
+	})
+
+	// 目标库对应的insert columns
+	targetInsertColumns := collx.ArrayMap[map[string]string, dbi.Column](fieldMap, func(val map[string]string) dbi.Column {
+		return targetColumnName2Column[val["target"]]
+	})
+
 	_, err = srcConn.WalkQueryRows(context.Background(), sql, func(row map[string]any, columns []*dbi.QueryColumn) error {
 		if len(queryColumns) == 0 {
 			queryColumns = columns

 			// 遍历columns 取task.UpdField的字段类型
-			updFieldType = dbi.DataTypeString
+			updFieldType = dbi.DefaultDbDataType
 			for _, column := range columns {
 				if strings.EqualFold(column.Name, updFieldName) {
-					updFieldType = srcDialect.GetDataHelper().GetDataType(column.Type)
+					updFieldType = column.DbDataType
 					break
 				}
 			}
@@ -260,7 +255,7 @@ func (app *dataSyncAppImpl) doDataSync(ctx context.Context, sql string, task *en
 		total++
 		result = append(result, row)
 		if total%batchSize == 0 {
-			if err := app.srcData2TargetDb(result, fieldMap, columns, updFieldType, updFieldName, task, srcDialect, targetConn, targetDbTx); err != nil {
+			if err := app.srcData2TargetDb(result, fieldMap, updFieldType, updFieldName, task, targetConn, targetDbTx, targetInsertColumns); err != nil {
 				return err
 			}

@@ -283,7 +278,7 @@ func (app *dataSyncAppImpl) doDataSync(ctx context.Context, sql string, task *en

 	// 处理剩余的数据
 	if len(result) > 0 {
-		if err := app.srcData2TargetDb(result, fieldMap, queryColumns, updFieldType, updFieldName, task, srcDialect, targetConn, targetDbTx); err != nil {
+		if err := app.srcData2TargetDb(result, fieldMap, updFieldType, updFieldName, task, targetConn, targetDbTx, targetInsertColumns); err != nil {
 			targetDbTx.Rollback()
 			return syncLog, err
 		}
@@ -291,7 +286,7 @@ func (app *dataSyncAppImpl) doDataSync(ctx context.Context, sql string, task *en

 	// 如果是mssql，暂不手动提交事务，否则报错 mssql: The COMMIT TRANSACTION request has no corresponding BEGIN TRANSACTION.
 	if err := targetDbTx.Commit(); err != nil {
-		if targetConn.Info.Type != dbi.DbTypeMssql {
+		if targetConn.Info.Type != dbi.ToDbType("mssql") {
 			return syncLog, errorx.NewBiz("data synchronization - The target database transaction failed to commit: %s", err.Error())
 		}
 	}
@@ -307,36 +302,38 @@ func (app *dataSyncAppImpl) doDataSync(ctx context.Context, sql string, task *en
 	return syncLog, nil
 }

-func (app *dataSyncAppImpl) srcData2TargetDb(srcRes []map[string]any, fieldMap []map[string]string, columns []*dbi.QueryColumn, updFieldType dbi.DataType, updFieldName string, task *entity.DataSyncTask, srcDialect dbi.Dialect, targetDbConn *dbi.DbConn, targetDbTx *sql.Tx) error {
-
-	// 遍历src字段列表，取出字段对应的类型
-	var srcColumnTypes = make(map[string]string)
-	for _, column := range columns {
-		srcColumnTypes[column.Name] = column.Type
-	}
-
+func (app *dataSyncAppImpl) srcData2TargetDb(srcRes []map[string]any, fieldMap []map[string]string, updFieldType *dbi.DbDataType, updFieldName string, task *entity.DataSyncTask, targetDbConn *dbi.DbConn, targetDbTx *sql.Tx, targetInsertColumns []dbi.Column) error {
 	// 遍历res，组装数据
-	var data = make([]map[string]any, 0)
-	for _, record := range srcRes {
-		var rowData = make(map[string]any)
+	var targetData = make([]map[string]any, 0)
+	for _, srcData := range srcRes {
+		var data = make(map[string]any)
 		// 遍历字段映射, target字段的值为src字段取值
 		for _, item := range fieldMap {
-			srcField := item["src"]
-			targetField := item["target"]
 			// target字段的值为src字段取值
-			rowData[targetField] = record[srcField]
+			data[item["target"]] = srcData[item["src"]]
 		}
-
-		data = append(data, rowData)
+		targetData = append(targetData, data)
 	}

+	tragetValues := make([][]any, 0)
+	for _, item := range targetData {
+		var values = make([]any, 0)
+		for _, column := range targetInsertColumns {
+			values = append(values, item[column.ColumnName])
+		}
+		tragetValues = append(tragetValues, values)
+	}
+
+	// 执行插入
+
 	setUpdateFieldVal := func(field string) {
 		// 解决字段大小写问题
 		updFieldVal := srcRes[len(srcRes)-1][strings.ToUpper(field)]
 		if updFieldVal == "" || updFieldVal == nil {
 			updFieldVal = srcRes[len(srcRes)-1][strings.ToLower(field)]
 		}
-		task.UpdFieldVal = srcDialect.GetDataHelper().FormatData(updFieldVal, updFieldType)
+
+		task.UpdFieldVal = updFieldType.DataType.SQLValue(updFieldVal)
 	}

 	// 如果指定了更新字段，则以更新字段取值
@@ -346,36 +343,15 @@ func (app *dataSyncAppImpl) srcData2TargetDb(srcRes []map[string]any, fieldMap [
 		setUpdateFieldVal(updFieldName)
 	}

-	// 获取目标库字段数组
-	targetWrapColumns := make([]string, 0)
-	// 获取源库字段数组
-	srcColumns := make([]string, 0)
-	srcFieldTypes := make(map[string]dbi.DataType)
 	targetDialect := targetDbConn.GetDialect()
-	for _, item := range fieldMap {
-		targetField := item["target"]
-		srcField := item["target"]
-		srcFieldTypes[srcField] = srcDialect.GetDataHelper().GetDataType(srcColumnTypes[item["src"]])
-		targetWrapColumns = append(targetWrapColumns, targetDialect.QuoteIdentifier(targetField))
-		srcColumns = append(srcColumns, srcField)
-	}

-	// 从目标库数据中取出源库字段对应的值
-	values := make([][]any, 0)
-	for _, record := range data {
-		rawValue := make([]any, 0)
-		for _, column := range srcColumns {
-			// 某些情况，如oracle，需要转换时间类型的字符串为time类型
-			res := srcDialect.GetDataHelper().ParseData(record[column], srcFieldTypes[column])
-			rawValue = append(rawValue, res)
+	// 生成目标数据库批量插入sql，并执行
+	sqls := targetDialect.GetSQLGenerator().GenInsert(task.TargetTableName, targetInsertColumns, tragetValues, cmp.Or(task.DuplicateStrategy, dbi.DuplicateStrategyNone))
+	for _, sql := range sqls {
+		_, err := targetDbTx.Exec(sql)
+		if err != nil {
+			return err
 		}
-		values = append(values, rawValue)
-	}
-
-	// 目标数据库执行sql批量插入
-	_, err := targetDialect.BatchInsert(targetDbTx, task.TargetTableName, targetWrapColumns, values, task.DuplicateStrategy)
-	if err != nil {
-		return err
 	}

 	// 运行过程中，判断状态是否为已关闭，是则结束运行，否则继续运行
--- a/server/internal/db/application/db_sql_exec.go
+++ b/server/internal/db/application/db_sql_exec.go
@@ -3,6 +3,7 @@ package application
 import (
 	"context"
 	"fmt"
+	"mayfly-go/internal/db/application/dto"
 	"mayfly-go/internal/db/config"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/internal/db/dbm/sqlparser"
@@ -12,26 +13,21 @@ import (
 	"mayfly-go/internal/db/imsg"
 	flowapp "mayfly-go/internal/flow/application"
 	flowentity "mayfly-go/internal/flow/domain/entity"
+	msgapp "mayfly-go/internal/msg/application"
+	msgdto "mayfly-go/internal/msg/application/dto"
 	"mayfly-go/pkg/contextx"
 	"mayfly-go/pkg/errorx"
+	"mayfly-go/pkg/i18n"
 	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/model"
+	"mayfly-go/pkg/utils/anyx"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/jsonx"
-	"os"
+	"mayfly-go/pkg/utils/stringx"
+	"mayfly-go/pkg/ws"
 	"strings"
 )

-type DbSqlExecReq struct {
-	DbId      uint64
-	Db        string
-	Sql       string   // 需要执行的sql，支持多条
-	SqlFile   *os.File // sql文件
-	Remark    string   // 执行备注
-	DbConn    *dbi.DbConn
-	CheckFlow bool // 是否检查存储审批流程
-}
-
 type sqlExecParam struct {
 	DbConn  *dbi.DbConn
 	Sql     string              // 执行的sql
@@ -41,18 +37,25 @@ type sqlExecParam struct {
 	SqlExecRecord *entity.DbSqlExec // sql执行记录
 }

-type DbSqlExecRes struct {
-	Sql      string             `json:"sql"`      // 执行的sql
-	ErrorMsg string             `json:"errorMsg"` // 若执行失败，则将失败内容记录到该字段
-	Columns  []*dbi.QueryColumn `json:"columns"`  // 响应的列信息
-	Res      []map[string]any   `json:"res"`      // 响应结果
+// progressCategory sql文件执行进度消息类型
+const progressCategory = "execSqlFileProgress"
+
+// progressMsg sql文件执行进度消息
+type progressMsg struct {
+	Id                 string `json:"id"`
+	Title              string `json:"title"`
+	ExecutedStatements int    `json:"executedStatements"`
+	Terminated         bool   `json:"terminated"`
 }

 type DbSqlExec interface {
 	flowapp.FlowBizHandler

 	// 执行sql
-	Exec(ctx context.Context, execSqlReq *DbSqlExecReq) ([]*DbSqlExecRes, error)
+	Exec(ctx context.Context, execSqlReq *dto.DbSqlExecReq) ([]*dto.DbSqlExecRes, error)
+
+	// ExecReader 从reader中读取sql并执行
+	ExecReader(ctx context.Context, execReader *dto.SqlReaderExec) error

 	// 根据条件删除sql执行记录
 	DeleteBy(ctx context.Context, condition *entity.DbSqlExec) error
@@ -66,9 +69,10 @@ type dbSqlExecAppImpl struct {
 	dbSqlExecRepo repository.DbSqlExec `inject:"DbSqlExecRepo"`

 	flowProcdefApp flowapp.Procdef `inject:"ProcdefApp"`
+	msgApp         msgapp.Msg      `inject:"MsgApp"`
 }

-func createSqlExecRecord(ctx context.Context, execSqlReq *DbSqlExecReq, sql string) *entity.DbSqlExec {
+func createSqlExecRecord(ctx context.Context, execSqlReq *dto.DbSqlExecReq, sql string) *entity.DbSqlExec {
 	dbSqlExecRecord := new(entity.DbSqlExec)
 	dbSqlExecRecord.DbId = execSqlReq.DbId
 	dbSqlExecRecord.Db = execSqlReq.Db
@@ -79,7 +83,7 @@ func createSqlExecRecord(ctx context.Context, execSqlReq *DbSqlExecReq, sql stri
 	return dbSqlExecRecord
 }

-func (d *dbSqlExecAppImpl) Exec(ctx context.Context, execSqlReq *DbSqlExecReq) ([]*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) Exec(ctx context.Context, execSqlReq *dto.DbSqlExecReq) ([]*dto.DbSqlExecRes, error) {
 	dbConn := execSqlReq.DbConn
 	execSql := execSqlReq.Sql
 	sp := dbConn.GetDialect().GetSQLParser()
@@ -89,13 +93,13 @@ func (d *dbSqlExecAppImpl) Exec(ctx context.Context, execSqlReq *DbSqlExecReq) (
 		flowProcdef = d.flowProcdefApp.GetProcdefByCodePath(ctx, dbConn.Info.CodePath...)
 	}

-	allExecRes := make([]*DbSqlExecRes, 0)
+	allExecRes := make([]*dto.DbSqlExecRes, 0)

 	stmts, err := sp.Parse(execSql)
 	// sql解析失败，则使用默认方式切割
 	if err != nil {
 		sqlparser.SQLSplit(strings.NewReader(execSql), func(oneSql string) error {
-			var execRes *DbSqlExecRes
+			var execRes *dto.DbSqlExecRes
 			var err error

 			dbSqlExecRecord := createSqlExecRecord(ctx, execSqlReq, oneSql)
@@ -120,7 +124,7 @@ func (d *dbSqlExecAppImpl) Exec(ctx context.Context, execSqlReq *DbSqlExecReq) (
 			// 执行错误
 			if err != nil {
 				if execRes == nil {
-					execRes = &DbSqlExecRes{Sql: oneSql}
+					execRes = &dto.DbSqlExecRes{Sql: oneSql}
 				}
 				execRes.ErrorMsg = err.Error()
 			} else {
@@ -133,7 +137,7 @@ func (d *dbSqlExecAppImpl) Exec(ctx context.Context, execSqlReq *DbSqlExecReq) (
 	}

 	for _, stmt := range stmts {
-		var execRes *DbSqlExecRes
+		var execRes *dto.DbSqlExecRes
 		var err error

 		sql := stmt.GetText()
@@ -172,7 +176,7 @@ func (d *dbSqlExecAppImpl) Exec(ctx context.Context, execSqlReq *DbSqlExecReq) (

 		if err != nil {
 			if execRes == nil {
-				execRes = &DbSqlExecRes{Sql: sql}
+				execRes = &dto.DbSqlExecRes{Sql: sql}
 			}
 			execRes.ErrorMsg = err.Error()
 		} else {
@@ -184,6 +188,64 @@ func (d *dbSqlExecAppImpl) Exec(ctx context.Context, execSqlReq *DbSqlExecReq) (
 	return allExecRes, nil
 }

+func (d *dbSqlExecAppImpl) ExecReader(ctx context.Context, execReader *dto.SqlReaderExec) error {
+	dbConn := execReader.DbConn
+
+	clientId := execReader.ClientId
+	filename := stringx.Truncate(execReader.Filename, 20, 10, "...")
+	la := contextx.GetLoginAccount(ctx)
+	needSendMsg := la != nil && clientId != ""
+
+	defer func() {
+		if err := recover(); err != nil {
+			errInfo := anyx.ToString(err)
+			logx.Errorf("exec sql reader error: %s", errInfo)
+			if needSendMsg {
+				errInfo = stringx.Truncate(errInfo, 300, 10, "...")
+				d.msgApp.CreateAndSend(la, msgdto.ErrSysMsg(i18n.T(imsg.SqlScriptRunFail), fmt.Sprintf("[%s][%s] execution failure: [%s]", filename, dbConn.Info.GetLogDesc(), errInfo)).WithClientId(clientId))
+			}
+		}
+	}()
+
+	executedStatements := 0
+	progressId := stringx.Rand(32)
+	if needSendMsg {
+		defer ws.SendJsonMsg(ws.UserId(la.Id), clientId, msgdto.InfoSysMsg(i18n.T(imsg.SqlScripRunProgress), &progressMsg{
+			Id:                 progressId,
+			Title:              filename,
+			ExecutedStatements: executedStatements,
+			Terminated:         true,
+		}).WithCategory(progressCategory))
+	}
+
+	err := sqlparser.SQLSplit(execReader.Reader, func(sql string) error {
+		if executedStatements%50 == 0 {
+			if needSendMsg {
+				ws.SendJsonMsg(ws.UserId(la.Id), clientId, msgdto.InfoSysMsg(i18n.T(imsg.SqlScripRunProgress), &progressMsg{
+					Id:                 progressId,
+					Title:              filename,
+					ExecutedStatements: executedStatements,
+					Terminated:         false,
+				}).WithCategory(progressCategory))
+			}
+		}
+
+		executedStatements++
+		if _, err := dbConn.Exec(sql); err != nil {
+			return err
+		}
+		return nil
+	})
+
+	if err != nil {
+		return err
+	}
+	if needSendMsg {
+		d.msgApp.CreateAndSend(la, msgdto.SuccessSysMsg(i18n.T(imsg.SqlScriptRunSuccess), "execution success").WithClientId(clientId))
+	}
+	return nil
+}
+
 type FlowDbExecSqlBizForm struct {
 	DbId   uint64 `json:"dbId"`   //  库id
 	DbName string `json:"dbName"` // 库名
@@ -211,7 +273,7 @@ func (d *dbSqlExecAppImpl) FlowBizHandle(ctx context.Context, bizHandleParam *fl
 		return nil, err
 	}

-	execRes, err := d.Exec(contextx.NewLoginAccount(&model.LoginAccount{Id: procinst.CreatorId, Username: procinst.Creator}), &DbSqlExecReq{
+	execRes, err := d.Exec(contextx.NewLoginAccount(&model.LoginAccount{Id: procinst.CreatorId, Username: procinst.Creator}), &dto.DbSqlExecReq{
 		DbId:      execSqlBizForm.DbId,
 		Db:        execSqlBizForm.DbName,
 		Sql:       execSqlBizForm.Sql,
@@ -257,7 +319,7 @@ func (d *dbSqlExecAppImpl) saveSqlExecLog(dbSqlExecRecord *entity.DbSqlExec, res
 	}
 }

-func (d *dbSqlExecAppImpl) doSelect(ctx context.Context, sqlExecParam *sqlExecParam) (*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) doSelect(ctx context.Context, sqlExecParam *sqlExecParam) (*dto.DbSqlExecRes, error) {
 	maxCount := config.GetDbms().MaxResultSet
 	selectStmt := sqlExecParam.Stmt
 	selectSql := sqlExecParam.Sql
@@ -314,7 +376,7 @@ func (d *dbSqlExecAppImpl) doSelect(ctx context.Context, sqlExecParam *sqlExecPa
 	return d.doQuery(ctx, sqlExecParam.DbConn, selectSql)
 }

-func (d *dbSqlExecAppImpl) doOtherRead(ctx context.Context, sqlExecParam *sqlExecParam) (*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) doOtherRead(ctx context.Context, sqlExecParam *sqlExecParam) (*dto.DbSqlExecRes, error) {
 	selectSql := sqlExecParam.Sql
 	sqlExecParam.SqlExecRecord.Type = entity.DbSqlExecTypeQuery

@@ -327,7 +389,7 @@ func (d *dbSqlExecAppImpl) doOtherRead(ctx context.Context, sqlExecParam *sqlExe
 	return d.doQuery(ctx, sqlExecParam.DbConn, selectSql)
 }

-func (d *dbSqlExecAppImpl) doExecDDL(ctx context.Context, sqlExecParam *sqlExecParam) (*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) doExecDDL(ctx context.Context, sqlExecParam *sqlExecParam) (*dto.DbSqlExecRes, error) {
 	selectSql := sqlExecParam.Sql
 	sqlExecParam.SqlExecRecord.Type = entity.DbSqlExecTypeDDL

@@ -340,7 +402,7 @@ func (d *dbSqlExecAppImpl) doExecDDL(ctx context.Context, sqlExecParam *sqlExecP
 	return d.doExec(ctx, sqlExecParam.DbConn, selectSql)
 }

-func (d *dbSqlExecAppImpl) doUpdate(ctx context.Context, sqlExecParam *sqlExecParam) (*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) doUpdate(ctx context.Context, sqlExecParam *sqlExecParam) (*dto.DbSqlExecRes, error) {
 	dbConn := sqlExecParam.DbConn

 	if procdef := sqlExecParam.Procdef; procdef != nil {
@@ -365,7 +427,7 @@ func (d *dbSqlExecAppImpl) doUpdate(ctx context.Context, sqlExecParam *sqlExecPa
 	tableSources := updatestmt.TableSources.TableSources
 	// 不支持多表更新记录旧值
 	if len(tableSources) != 1 {
-		logx.ErrorContext(ctx, "Update SQL - logging old values only supports single-table updates")
+		logx.ErrorContext(ctx, "update SQL - logging old values only supports single-table updates")
 		return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 	}

@@ -379,21 +441,21 @@ func (d *dbSqlExecAppImpl) doUpdate(ctx context.Context, sqlExecParam *sqlExecPa
 	}

 	if tableName == "" {
-		logx.ErrorContext(ctx, "Update SQL - failed to get table name")
+		logx.ErrorContext(ctx, "update SQL - failed to get table name")
 		return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 	}
 	execRecord.Table = tableName

 	whereStr := updatestmt.Where.GetText()
 	if whereStr == "" {
-		logx.ErrorContext(ctx, "Update SQL - there is no where condition")
+		logx.ErrorContext(ctx, "update SQL - there is no where condition")
 		return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 	}

 	// 获取表主键列名,排除使用别名
 	primaryKey, err := dbConn.GetMetadata().GetPrimaryKey(tableName)
 	if err != nil {
-		logx.ErrorfContext(ctx, "Update SQL - failed to get primary key column: %s", err.Error())
+		logx.ErrorfContext(ctx, "update SQL - failed to get primary key column: %s", err.Error())
 		return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 	}

@@ -417,12 +479,12 @@ func (d *dbSqlExecAppImpl) doUpdate(ctx context.Context, sqlExecParam *sqlExecPa
 		nowRec++
 		res = append(res, row)
 		if nowRec == maxRec {
-			return errorx.NewBiz(fmt.Sprintf("Update SQL - the maximum number of updated queries is exceeded: %d", maxRec))
+			return errorx.NewBiz(fmt.Sprintf("update SQL - the maximum number of updated queries is exceeded: %d", maxRec))
 		}
 		return nil
 	})
 	if err != nil {
-		logx.ErrorfContext(ctx, "Update SQL - failed to get the updated old value: %s", err.Error())
+		logx.ErrorfContext(ctx, "update SQL - failed to get the updated old value: %s", err.Error())
 		return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 	}
 	execRecord.OldValue = jsonx.ToStr(res)
@@ -430,7 +492,7 @@ func (d *dbSqlExecAppImpl) doUpdate(ctx context.Context, sqlExecParam *sqlExecPa
 	return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 }

-func (d *dbSqlExecAppImpl) doDelete(ctx context.Context, sqlExecParam *sqlExecParam) (*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) doDelete(ctx context.Context, sqlExecParam *sqlExecParam) (*dto.DbSqlExecRes, error) {
 	if procdef := sqlExecParam.Procdef; procdef != nil {
 		if needStartProc := procdef.MatchCondition(DbSqlExecFlowBizType, collx.Kvs("stmtType", "delete")); needStartProc {
 			return nil, errorx.NewBizI(ctx, imsg.ErrNeedSubmitWorkTicket)
@@ -454,7 +516,7 @@ func (d *dbSqlExecAppImpl) doDelete(ctx context.Context, sqlExecParam *sqlExecPa
 	tableSources := deletestmt.TableSources.TableSources
 	// 不支持多表删除记录旧值
 	if len(tableSources) != 1 {
-		logx.ErrorContext(ctx, "Delete SQL - logging old values only supports single-table deletion")
+		logx.ErrorContext(ctx, "delete SQL - logging old values only supports single-table deletion")
 		return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 	}

@@ -468,14 +530,14 @@ func (d *dbSqlExecAppImpl) doDelete(ctx context.Context, sqlExecParam *sqlExecPa
 	}

 	if tableName == "" {
-		logx.ErrorContext(ctx, "Delete SQL - failed to get table name")
+		logx.ErrorContext(ctx, "delete SQL - failed to get table name")
 		return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 	}
 	execRecord.Table = tableName

 	whereStr := deletestmt.Where.GetText()
 	if whereStr == "" {
-		logx.ErrorContext(ctx, "Delete SQL - there is no where condition")
+		logx.ErrorContext(ctx, "delete SQL - there is no where condition")
 		return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 	}

@@ -487,7 +549,7 @@ func (d *dbSqlExecAppImpl) doDelete(ctx context.Context, sqlExecParam *sqlExecPa
 	return d.doExec(ctx, dbConn, sqlExecParam.Sql)
 }

-func (d *dbSqlExecAppImpl) doInsert(ctx context.Context, sqlExecParam *sqlExecParam) (*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) doInsert(ctx context.Context, sqlExecParam *sqlExecParam) (*dto.DbSqlExecRes, error) {
 	if procdef := sqlExecParam.Procdef; procdef != nil {
 		if needStartProc := procdef.MatchCondition(DbSqlExecFlowBizType, collx.Kvs("stmtType", "insert")); needStartProc {
 			return nil, errorx.NewBizI(ctx, imsg.ErrNeedSubmitWorkTicket)
@@ -513,19 +575,19 @@ func (d *dbSqlExecAppImpl) doInsert(ctx context.Context, sqlExecParam *sqlExecPa
 	return d.doExec(ctx, sqlExecParam.DbConn, sqlExecParam.Sql)
 }

-func (d *dbSqlExecAppImpl) doQuery(ctx context.Context, dbConn *dbi.DbConn, sql string) (*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) doQuery(ctx context.Context, dbConn *dbi.DbConn, sql string) (*dto.DbSqlExecRes, error) {
 	cols, res, err := dbConn.QueryContext(ctx, sql)
 	if err != nil {
 		return nil, err
 	}
-	return &DbSqlExecRes{
+	return &dto.DbSqlExecRes{
 		Sql:     sql,
 		Columns: cols,
 		Res:     res,
 	}, nil
 }

-func (d *dbSqlExecAppImpl) doExec(ctx context.Context, dbConn *dbi.DbConn, sql string) (*DbSqlExecRes, error) {
+func (d *dbSqlExecAppImpl) doExec(ctx context.Context, dbConn *dbi.DbConn, sql string) (*dto.DbSqlExecRes, error) {
 	rowsAffected, err := dbConn.ExecContext(ctx, sql)
 	if err != nil {
 		return nil, err
@@ -534,7 +596,7 @@ func (d *dbSqlExecAppImpl) doExec(ctx context.Context, dbConn *dbi.DbConn, sql s
 	res := make([]map[string]any, 0)
 	res = append(res, collx.Kvs("rowsAffected", rowsAffected))

-	return &DbSqlExecRes{
+	return &dto.DbSqlExecRes{
 		Columns: []*dbi.QueryColumn{
 			{Name: "rowsAffected", Type: "number"},
 		},
--- a/server/internal/db/application/db_transfer.go
+++ b/server/internal/db/application/db_transfer.go
@@ -3,10 +3,11 @@ package application
 import (
 	"cmp"
 	"context"
-	"encoding/hex"
 	"fmt"
+	"io"
 	"mayfly-go/internal/db/application/dto"
 	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/internal/db/dbm/sqlparser"
 	"mayfly-go/internal/db/domain/entity"
 	"mayfly-go/internal/db/domain/repository"
 	fileapp "mayfly-go/internal/file/application"
@@ -21,7 +22,6 @@ import (
 	"mayfly-go/pkg/scheduler"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/timex"
-	"sort"
 	"strings"
 	"time"

@@ -252,12 +252,90 @@ func (app *dbTransferAppImpl) transfer2Db(ctx context.Context, taskId uint64, lo
 		app.EndTransfer(ctx, logId, taskId, "failed to get target db connection", err, nil)
 		return
 	}
-	// 迁移表
-	if err = app.transferDbTables(ctx, logId, task, srcConn, targetConn, tables); err != nil {
+
+	ctx = context.Background()
+
+	tableNames := collx.ArrayMap(tables, func(t dbi.Table) string { return t.TableName })
+	// 分组迁移
+	tableGroups := collx.ArraySplit[string](tableNames, 2)
+	errGroup, _ := errgroup.WithContext(ctx)
+
+	for _, tables := range tableGroups {
+		errGroup.Go(func() error {
+			if !app.IsRunning(taskId) {
+				return errorx.NewBiz("transfer stopped")
+			}
+
+			currentDumpTable := tables[0]
+			pr, pw := io.Pipe()
+			go func() {
+				err := app.dbApp.DumpDb(ctx, &dto.DumpDb{
+					LogId:        logId,
+					DbId:         uint64(task.SrcDbId),
+					DbName:       task.SrcDbName,
+					TargetDbType: dbi.DbType(task.TargetDbType),
+					Tables:       tables,
+					DumpDDL:      true,
+					DumpData:     true,
+					Writer:       pw,
+					Log: func(msg string) { // 记录日志
+						app.Log(ctx, logId, msg)
+					},
+					Progress: func(currentTable string, stmtType dbi.StmtType, stmtCount int, currentStmtTypeEnd bool) {
+						logExtraKey := fmt.Sprintf("`%s` amount of transfer data currently: ", currentDumpTable)
+						if stmtType == dbi.StmtTypeInsert {
+							app.logApp.SetExtra(logId, logExtraKey, stmtCount)
+							if currentStmtTypeEnd {
+								app.Log(ctx, logId, fmt.Sprintf("execute transfer table [%s] insert %d rows", currentDumpTable, stmtCount))
+							}
+						}
+
+						if currentDumpTable != currentTable {
+							currentDumpTable = currentTable
+							stmtCount = 0
+							// 置空当前表数据迁移量进度
+							app.logApp.SetExtra(logId, logExtraKey, nil)
+						}
+					},
+				})
+				if err != nil {
+					pr.CloseWithError(err)
+					return
+				}
+			}()
+
+			tx, err := targetConn.Begin()
+			if err != nil {
+				pw.CloseWithError(err)
+				app.EndTransfer(ctx, logId, taskId, "transfer table failed", err, nil)
+				return err
+			}
+
+			err = sqlparser.SQLSplit(pr, func(stmt string) error {
+				if _, err := targetConn.TxExecContext(ctx, tx, stmt); err != nil {
+					pw.CloseWithError(err)
+					return err
+				}
+				return nil
+			})
+
+			if err != nil {
+				tx.Rollback()
+				return err
+			}
+
+			_ = tx.Commit()
+
+			return nil
+		})
+	}
+
+	err = errGroup.Wait()
+
+	if err != nil {
 		app.EndTransfer(ctx, logId, taskId, "transfer table failed", err, nil)
 		return
 	}
-
 	app.EndTransfer(ctx, logId, taskId, fmt.Sprintf("execute transfer task [taskId = %d] complete, time: %v", taskId, time.Since(start)), nil, nil)
 }

@@ -281,10 +359,7 @@ func (app *dbTransferAppImpl) transfer2File(ctx context.Context, taskId uint64,
 	}

 	// 从tables提取表名
-	tableNames := make([]string, 0)
-	for _, table := range tables {
-		tableNames = append(tableNames, table.TableName)
-	}
+	tableNames := collx.ArrayMap(tables, func(t dbi.Table) string { return t.TableName })
 	// 2、把源库数据迁移到文件
 	app.Log(ctx, logId, fmt.Sprintf("start transfer table data to files: %s", filename))
 	app.Log(ctx, logId, fmt.Sprintf("dialect type of target db file: %s", task.TargetFileDbType))
@@ -341,228 +416,6 @@ func (app *dbTransferAppImpl) Stop(ctx context.Context, taskId uint64) error {
 	return nil
 }

-// 迁移表
-func (app *dbTransferAppImpl) transferDbTables(ctx context.Context, logId uint64, task *entity.DbTransferTask, srcConn *dbi.DbConn, targetConn *dbi.DbConn, tables []dbi.Table) error {
-	tableNames := make([]string, 0)
-	tableMap := make(map[string]dbi.Table) // 以表名分组，存放表信息
-	for _, table := range tables {
-		tableNames = append(tableNames, table.TableName)
-		tableMap[table.TableName] = table
-	}
-
-	if len(tableNames) == 0 {
-		return errorx.NewBiz("there are no tables to migrate")
-	}
-	srcDialect := srcConn.GetDialect()
-	srcMetadata := srcConn.GetMetadata()
-	// 查询源表列信息
-	columns, err := srcMetadata.GetColumns(tableNames...)
-	if err != nil {
-		return errorx.NewBiz("failed to get the source table column information")
-	}
-
-	// 以表名分组，存放每个表的列信息
-	columnMap := make(map[string][]dbi.Column)
-	for _, column := range columns {
-		columnMap[column.TableName] = append(columnMap[column.TableName], column)
-	}
-
-	// 以表名排序
-	sortTableNames := collx.MapKeys(columnMap)
-	sort.Strings(sortTableNames)
-
-	targetDialect := targetConn.GetDialect()
-	srcColumnHelper := srcDialect.GetColumnHelper()
-	targetColumnHelper := targetConn.GetDialect().GetColumnHelper()
-
-	// 分组迁移
-	tableGroups := collx.ArraySplit[string](sortTableNames, 2)
-	errGroup, _ := errgroup.WithContext(ctx)
-
-	for _, tables := range tableGroups {
-		errGroup.Go(func() error {
-			for _, tbName := range tables {
-				cols := columnMap[tbName]
-				targetCols := make([]dbi.Column, 0)
-				for _, col := range cols {
-					colPtr := &col
-					// 源库列转为公共列
-					srcColumnHelper.ToCommonColumn(colPtr)
-					// 公共列转为目标库列
-					targetColumnHelper.ToColumn(colPtr)
-					targetCols = append(targetCols, *colPtr)
-				}
-
-				// 通过公共列信息生成目标库的建表语句，并执行目标库建表
-				app.Log(ctx, logId, fmt.Sprintf("start creating the target table: %s", tbName))
-
-				sqlArr := targetDialect.GenerateTableDDL(targetCols, tableMap[tbName], true)
-				for _, sqlStr := range sqlArr {
-					_, err := targetConn.Exec(sqlStr)
-					if err != nil {
-						return errorx.NewBiz(fmt.Sprintf("failed to create target table: %s, error: %s", tbName, err.Error()))
-					}
-				}
-				app.Log(ctx, logId, fmt.Sprintf("target table created successfully: %s", tbName))
-
-				// 迁移数据
-				app.Log(ctx, logId, fmt.Sprintf("start transfer data: %s", tbName))
-				total, err := app.transferData(ctx, logId, task.Id, tbName, targetCols, srcConn, targetConn)
-				if err != nil {
-					return errorx.NewBiz(fmt.Sprintf("failed to transfer => table: %s, error: %s", tbName, err.Error()))
-				}
-				app.Log(ctx, logId, fmt.Sprintf("successfully transfer data => table: %s, data: %d entries", tbName, total))
-
-				// 有些数据库迁移完数据之后，需要更新表自增序列为当前表最大值
-				targetDialect.UpdateSequence(tbName, targetCols)
-
-				// 迁移索引信息
-				app.Log(ctx, logId, fmt.Sprintf("start transfer index => table: %s", tbName))
-				err = app.transferIndex(ctx, tableMap[tbName], srcConn, targetConn)
-				if err != nil {
-					return errorx.NewBiz(fmt.Sprintf("failed to transfer index => table: %s, error: %s", tbName, err.Error()))
-				}
-				app.Log(ctx, logId, fmt.Sprintf("successfully transfer index => table: %s", tbName))
-			}
-
-			return nil
-		})
-	}
-
-	return errGroup.Wait()
-}
-
-func (app *dbTransferAppImpl) transferData(ctx context.Context, logId uint64, taskId uint64, tableName string, targetColumns []dbi.Column, srcConn *dbi.DbConn, targetConn *dbi.DbConn) (int, error) {
-	result := make([]map[string]any, 0)
-	total := 0        // 总条数
-	batchSize := 1000 // 每次查询并迁移1000条数据
-	var err error
-	srcDialect := srcConn.GetDialect()
-	srcConverter := srcDialect.GetDataHelper()
-	targetDialect := targetConn.GetDialect()
-	logExtraKey := fmt.Sprintf("`%s` amount of transfer data currently: ", tableName)
-
-	// 游标查询源表数据，并批量插入目标表
-	_, err = srcConn.WalkTableRows(context.Background(), tableName, func(row map[string]any, columns []*dbi.QueryColumn) error {
-		total++
-		rawValue := map[string]any{}
-		for _, column := range columns {
-			// 某些情况，如oracle，需要转换时间类型的字符串为time类型
-			res := srcConverter.ParseData(row[column.Name], srcConverter.GetDataType(column.Type))
-			rawValue[column.Name] = res
-		}
-		result = append(result, rawValue)
-		if total%batchSize == 0 {
-			err = app.transfer2Target(taskId, targetConn, targetColumns, result, targetDialect, tableName)
-			if err != nil {
-				logx.ErrorfContext(ctx, "batch insert data to target table failed: %v", err)
-				return err
-			}
-			result = result[:0]
-			app.logApp.SetExtra(logId, logExtraKey, total)
-		}
-		return nil
-	})
-
-	if err != nil {
-		return total, err
-	}
-
-	// 处理剩余的数据
-	if len(result) > 0 {
-		err = app.transfer2Target(taskId, targetConn, targetColumns, result, targetDialect, tableName)
-		if err != nil {
-			logx.ErrorfContext(ctx, "batch insert data to target table failed => table: %s, error: %v", tableName, err)
-			return 0, err
-		}
-	}
-	// 置空当前表数据迁移量进度
-	app.logApp.SetExtra(logId, logExtraKey, nil)
-	return total, err
-}
-
-func (app *dbTransferAppImpl) transfer2Target(taskId uint64, targetConn *dbi.DbConn, targetColumns []dbi.Column, result []map[string]any, targetDialect dbi.Dialect, tbName string) error {
-	if !app.IsRunning(taskId) {
-		return errorx.NewBiz("transfer stopped")
-	}
-
-	tx, err := targetConn.Begin()
-	if err != nil {
-		return err
-	}
-
-	// 收集字段名
-	var columnNames []string
-	for _, col := range targetColumns {
-		columnNames = append(columnNames, targetDialect.QuoteIdentifier(col.ColumnName))
-	}
-
-	dataHelper := targetDialect.GetDataHelper()
-
-	// 从目标库数据中取出源库字段对应的值
-	values := make([][]any, 0)
-	for _, record := range result {
-		rawValue := make([]any, 0)
-		for _, tc := range targetColumns {
-			columnName := tc.ColumnName
-			val := record[targetDialect.RemoveQuote(columnName)]
-			if !tc.Nullable {
-				// 如果val是文本，则设置为空格字符
-				switch val.(type) {
-				case string:
-					if val == "" {
-						val = " "
-					}
-				}
-			}
-
-			if dataHelper.GetDataType(string(tc.DataType)) == dbi.DataTypeBlob {
-				decodeBytes, err := hex.DecodeString(val.(string))
-				if err == nil {
-					val = decodeBytes
-				}
-			}
-
-			rawValue = append(rawValue, val)
-		}
-		values = append(values, rawValue)
-	}
-	// 批量插入
-	_, err = targetDialect.BatchInsert(tx, tbName, columnNames, values, -1)
-
-	defer func() {
-		if r := recover(); r != nil {
-			tx.Rollback()
-			logx.Errorf("batch insert data to target table failed: %v", r)
-		}
-	}()
-
-	_ = tx.Commit()
-	return err
-}
-
-func (app *dbTransferAppImpl) transferIndex(ctx context.Context, tableInfo dbi.Table, srcConn *dbi.DbConn, targetConn *dbi.DbConn) error {
-	// 查询源表索引信息
-	indexs, err := srcConn.GetMetadata().GetTableIndex(tableInfo.TableName)
-	if err != nil {
-		logx.Errorf("failed to get index information: %s", err)
-		return err
-	}
-	if len(indexs) == 0 {
-		return nil
-	}
-
-	// 通过表名、索引信息生成建索引语句，并执行到目标表
-	sqlArr := targetConn.GetDialect().GenerateIndexDDL(indexs, tableInfo)
-	for _, sqlStr := range sqlArr {
-		_, err := targetConn.Exec(sqlStr)
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 func (d *dbTransferAppImpl) TimerDeleteTransferFile() {
 	logx.Debug("start deleting transfer files periodically...")
 	scheduler.AddFun("@every 100m", func() {
--- a/server/internal/db/application/dto/dto.go
+++ b/server/internal/db/application/dto/dto.go
@@ -23,10 +23,16 @@ type DumpDb struct {
 	LogId uint64

 	Writer       io.WriteCloser
-	Log          func(msg string)
 	TargetDbType dbi.DbType
+
+	Log      func(msg string)
+	Progress func(currentTable string, stmtType dbi.StmtType, stmtCount int, currentStmtTypeEnd bool) // dump进度
 }

 func DefaultDumpLog(msg string) {

 }
+
+func DefaultDumpProgress(currentTable string, stmtType dbi.StmtType, stmtCount int, currentStmtTypeEnd bool) {
+
+}
--- a/server/internal/db/application/dto/sql_exec.go
+++ b/server/internal/db/application/dto/sql_exec.go
@@ -0,0 +1,31 @@
+package dto
+
+import (
+	"io"
+	"mayfly-go/internal/db/dbm/dbi"
+)
+
+type DbSqlExecReq struct {
+	DbId      uint64
+	Db        string
+	Sql       string // 需要执行的sql，支持多条
+	Remark    string // 执行备注
+	DbConn    *dbi.DbConn
+	CheckFlow bool // 是否检查存储审批流程
+}
+
+type DbSqlExecRes struct {
+	Sql      string             `json:"sql"`      // 执行的sql
+	ErrorMsg string             `json:"errorMsg"` // 若执行失败，则将失败内容记录到该字段
+	Columns  []*dbi.QueryColumn `json:"columns"`  // 响应的列信息
+	Res      []map[string]any   `json:"res"`      // 响应结果
+}
+
+type SqlReaderExec struct {
+	DbConn *dbi.DbConn
+
+	Reader   io.Reader
+	Filename string
+
+	ClientId string // 客户端id，若存在则会向其发送执行进度消息
+}
--- a/server/internal/db/dbm/dbi/column.go
+++ b/server/internal/db/dbm/dbi/column.go
@@ -0,0 +1,594 @@
+package dbi
+
+import (
+	"cmp"
+	"database/sql"
+	"database/sql/driver"
+	"encoding/hex"
+	"fmt"
+	"mayfly-go/pkg/utils/collx"
+	"strings"
+	"time"
+
+	"github.com/may-fly/cast"
+)
+
+var (
+	dbDataTypes = make(map[DbType]map[string]*DbDataType) // 列类型
+)
+
+// registerColumnDbDataTypes 注册数据库对应的数据类型
+func registerColumnDbDataTypes(dbType DbType, cts ...*DbDataType) {
+	dbDataTypes[dbType] = collx.ArrayToMap(cts, func(ct *DbDataType) string {
+		return strings.ToLower(string(ct.Name))
+	})
+}
+
+func GetDbDataType(dbType DbType, databaseColumnType string) *DbDataType {
+	return cmp.Or(dbDataTypes[dbType][strings.ToLower(databaseColumnType)], DefaultDbDataType)
+}
+
+var DefaultDbDataType = NewDbDataType("string", DTString).WithCT(CTVarchar)
+
+// 表的列信息
+type Column struct {
+	TableName     string  `json:"tableName"`     // 表名
+	ColumnName    string  `json:"columnName"`    // 列名
+	DataType      string  `json:"dataType"`      // 数据类型
+	ColumnComment string  `json:"columnComment"` // 列备注
+	IsPrimaryKey  bool    `json:"isPrimaryKey"`  // 是否为主键
+	IsIdentity    bool    `json:"isIdentity"`    // 是否自增
+	ColumnDefault string  `json:"columnDefault"` // 默认值
+	Nullable      bool    `json:"nullable"`      // 是否可为null
+	CharMaxLength int     `json:"charMaxLength"` // 字符最大长度
+	NumPrecision  int     `json:"numPrecision"`  // 精度(总数字位数)
+	NumScale      int     `json:"numScale"`      // 小数点位数
+	Extra         collx.M `json:"extra"`         // 其他额外信息
+}
+
+// GetColumnType 获取完整的列类型，拼接数据类型与长度等。如varchar(2000)，decimal(20,2)
+func (c *Column) GetColumnType() string {
+	if c.CharMaxLength > 0 {
+		return fmt.Sprintf("%s(%d)", c.DataType, c.CharMaxLength)
+	}
+	if c.NumPrecision > 0 {
+		if c.NumScale > 0 {
+			return fmt.Sprintf("%s(%d,%d)", c.DataType, c.NumPrecision, c.NumScale)
+		} else {
+			return fmt.Sprintf("%s(%d)", c.DataType, c.NumPrecision)
+		}
+	}
+
+	return string(c.DataType)
+}
+
+// 数据库对应的数据类型
+type DbDataType struct {
+	Name string //  类型名
+
+	DataType *DataType // 数据类型
+
+	fixColumnFunc func(column *Column) // 修复字段长度、精度等, 如mysql text会返回长度，需要将其置为0等
+
+	/** 以下为异构数据迁移同步使用，可不赋值，无值则不支持迁移同步 */
+
+	CommonType CommonDbDataType // 对应的公共类型
+}
+
+// WithFixColumn 修复列信息函数，用于修复字段长度、精度等
+func (ct *DbDataType) WithFixColumn(fixColumnFunc func(column *Column)) *DbDataType {
+	ct.fixColumnFunc = fixColumnFunc
+	return ct
+}
+
+// WithCT 对应的公共类型，主要用于异构数据库迁移同步时进行类型转换使用
+func (ct *DbDataType) WithCT(cct CommonDbDataType) *DbDataType {
+	ct.CommonType = cct
+	return ct
+}
+
+// FixColumn 使用修复列信息函数进行列信息修复
+func (ct *DbDataType) FixColumn(column *Column) {
+	if ct.fixColumnFunc != nil {
+		ct.fixColumnFunc(column)
+	}
+}
+
+func NewDbDataType(name string, dataType *DataType) *DbDataType {
+	return &DbDataType{
+		Name:     name,
+		DataType: dataType,
+	}
+}
+
+func ClearCharMaxLength(column *Column) {
+	column.CharMaxLength = 0
+	column.NumPrecision = 0
+}
+
+func ClearNumScale(column *Column) {
+	column.NumScale = 0
+	column.CharMaxLength = 0
+}
+
+// DataType 数据类型, 对应于go类型，如int int64等。可自定义其他类型
+type DataType struct {
+	Name string //  类型名
+
+	Valuer func() Valuer // 获取值对应的处理者，用于sql的scan、解析value等
+
+	SQLValue func(val any) string // 转换为sql字符串值，用于insert等SQL语句的值转换
+}
+
+// Copy 拷贝一个同类型的datatype，主要方便用于定制化修改Valuer或ToString
+func (dt *DataType) Copy() *DataType {
+	return &DataType{
+		Name:     dt.Name,
+		Valuer:   dt.Valuer,
+		SQLValue: dt.SQLValue,
+	}
+}
+
+func (dt *DataType) WithValuer(valuerFunc func() Valuer) *DataType {
+	dt.Valuer = valuerFunc
+	return dt
+}
+
+func (dt *DataType) WithSQLValue(sqlvalueFunc func(val any) string) *DataType {
+	dt.SQLValue = sqlvalueFunc
+	return dt
+}
+
+const NULL = "NULL"
+
+// SQLValueDefault 默认使用fmt转string
+func SQLValueDefault(val any) string {
+	if val == nil {
+		return NULL
+	}
+	return fmt.Sprintf("'%v'", val)
+}
+
+// SQLValueNumeric 数字类型转string
+func SQLValueNumeric(val any) string {
+	if val == nil {
+		return NULL
+	}
+	return fmt.Sprintf("%v", val)
+}
+
+func SQLValueString(val any) string {
+	if val == nil {
+		return NULL
+	}
+
+	strVal, ok := val.(string)
+	if !ok {
+		return fmt.Sprintf("%v", val)
+	}
+
+	return fmt.Sprintf("'%s'", strings.ReplaceAll(strings.ReplaceAll(strVal, "'", "''"), `\`, `\\`))
+}
+
+var (
+	DTBit = &DataType{
+		Name:     "bit",
+		Valuer:   ValuerBit,
+		SQLValue: SQLValueNumeric,
+	}
+
+	DTByte = &DataType{
+		Name:     "uint8",
+		Valuer:   ValuerByte,
+		SQLValue: SQLValueNumeric,
+	}
+
+	DTInt8 = &DataType{
+		Name:     "int8",
+		Valuer:   ValuerInt16,
+		SQLValue: SQLValueNumeric,
+	}
+
+	DTInt16 = &DataType{
+		Name:     "int16",
+		Valuer:   ValuerInt16,
+		SQLValue: SQLValueNumeric,
+	}
+
+	DTInt32 = &DataType{
+		Name:     "int32",
+		Valuer:   ValuerInt32,
+		SQLValue: SQLValueNumeric,
+	}
+
+	DTInt64 = &DataType{
+		Name:     "int64",
+		Valuer:   ValuerInt64,
+		SQLValue: SQLValueNumeric,
+	}
+
+	// 所有无符号类型，都使用int64存储
+	DTUint64 = &DataType{
+		Name:     "uint64",
+		Valuer:   ValuerUint64,
+		SQLValue: SQLValueNumeric,
+	}
+
+	DTNumeric = &DataType{
+		Name:     "numeric",
+		Valuer:   ValuerFloat64,
+		SQLValue: SQLValueNumeric,
+	}
+
+	DTDecimal = &DataType{
+		Name:     "decimal",
+		Valuer:   ValuerString,
+		SQLValue: SQLValueNumeric,
+	}
+
+	DTString = &DataType{
+		Name:     "string",
+		Valuer:   ValuerString,
+		SQLValue: SQLValueString,
+	}
+
+	DTDate = &DataType{
+		Name:     "date",
+		Valuer:   ValuerDate,
+		SQLValue: SQLValueDefault,
+	}
+
+	DTTime = &DataType{
+		Name:     "time",
+		Valuer:   ValuerTime,
+		SQLValue: SQLValueDefault,
+	}
+
+	DTDateTime = &DataType{
+		Name:     "datetime",
+		Valuer:   ValuerDatetime,
+		SQLValue: SQLValueDefault,
+	}
+
+	DTBytes = &DataType{
+		Name:     "bytes",
+		Valuer:   ValuerBytes,
+		SQLValue: SQLValueDefault,
+	}
+)
+
+// Valuer 获取值对应的处理者，用于sql row scan、解析value等
+type Valuer interface {
+
+	// NewValuePtr 新建值对应的指针，用于sql的row scan
+	NewValuePtr() any
+
+	// Value 获取对应的值（人类可阅读的值），不可原样返回ValuePtr指针类型，需取出具体的值
+	Value() any
+}
+
+type DefaultValuer[T any] struct {
+	ValuePtr *T
+}
+
+func (s *DefaultValuer[T]) NewValuePtr() any {
+	var t T
+	s.ValuePtr = &t
+	return s.ValuePtr
+}
+
+// Valuer工厂函数
+
+func ValuerString() Valuer {
+	return &stringValuer{
+		DefaultValuer: new(DefaultValuer[sql.NullString]),
+	}
+}
+
+func ValuerInt64() Valuer {
+	return &int64Valuer{
+		DefaultValuer: new(DefaultValuer[sql.NullInt64]),
+	}
+}
+
+func ValuerUint64() Valuer {
+	return &uint64Valuer{
+		DefaultValuer: new(DefaultValuer[[]byte]),
+	}
+}
+
+func ValuerInt32() Valuer {
+	return &int32Valuer{
+		DefaultValuer: new(DefaultValuer[sql.NullInt32]),
+	}
+}
+
+func ValuerInt16() Valuer {
+	return &int16Valuer{
+		DefaultValuer: new(DefaultValuer[sql.NullInt16]),
+	}
+}
+
+func ValuerByte() Valuer {
+	return &byteValuer{
+		DefaultValuer: new(DefaultValuer[sql.NullByte]),
+	}
+}
+
+func ValuerBit() Valuer {
+	return &bitValuer{
+		DefaultValuer: new(DefaultValuer[[]byte]),
+	}
+}
+
+func ValuerFloat64() Valuer {
+	return &float64Valuer{
+		DefaultValuer: new(DefaultValuer[sql.NullFloat64]),
+	}
+}
+
+func ValuerDatetime() Valuer {
+	return &datetimeValuer{
+		DefaultValuer: new(DefaultValuer[NullTime]),
+	}
+}
+
+func ValuerDate() Valuer {
+	return &dateValuer{
+		DefaultValuer: new(DefaultValuer[NullTime]),
+	}
+}
+
+func ValuerTime() Valuer {
+	return &timeValuer{
+		DefaultValuer: new(DefaultValuer[NullTime]),
+	}
+}
+
+func ValuerBytes() Valuer {
+	return &bytesValuer{
+		DefaultValuer: new(DefaultValuer[sql.RawBytes]),
+	}
+}
+
+// 默认 valuer
+
+// string
+
+type stringValuer struct {
+	*DefaultValuer[sql.NullString]
+}
+
+func (s *stringValuer) Value() any {
+	if s.ValuePtr.Valid {
+		return s.ValuePtr.String
+	}
+	return nil
+}
+
+// uint64
+
+type uint64Valuer struct {
+	*DefaultValuer[[]byte]
+}
+
+func (s *uint64Valuer) Value() any {
+	valBytes := *s.ValuePtr
+	if valBytes == nil {
+		return nil
+	}
+	val := string(valBytes)
+	// 前端超过16位会丢失精度
+	if len(val) > 16 {
+		return val
+	}
+	return cast.ToUint64(val)
+}
+
+//  int64
+
+type int64Valuer struct {
+	*DefaultValuer[sql.NullInt64]
+}
+
+func (s *int64Valuer) Value() any {
+	if s.ValuePtr.Valid {
+		val := s.ValuePtr.Int64
+		// 前端超过16位会丢失精度
+		if val > 9999999999999999 {
+			return fmt.Sprintf("%d", val)
+		}
+		return val
+	}
+	return nil
+}
+
+// int32
+
+type int32Valuer struct {
+	*DefaultValuer[sql.NullInt32]
+}
+
+func (s *int32Valuer) Value() any {
+	if s.ValuePtr.Valid {
+		return s.ValuePtr.Int32
+	}
+	return nil
+}
+
+// int16
+
+type int16Valuer struct {
+	*DefaultValuer[sql.NullInt16]
+}
+
+func (s *int16Valuer) Value() any {
+	if s.ValuePtr.Valid {
+		return s.ValuePtr.Int16
+	}
+	return nil
+}
+
+// byte（uint8）
+
+type byteValuer struct {
+	*DefaultValuer[sql.NullByte]
+}
+
+func (s *byteValuer) Value() any {
+	if s.ValuePtr.Valid {
+		return s.ValuePtr.Byte
+	}
+	return nil
+}
+
+// bit
+
+type bitValuer struct {
+	*DefaultValuer[[]byte]
+}
+
+func (s *bitValuer) Value() any {
+	valBytes := *s.ValuePtr
+	if valBytes == nil {
+		return nil
+	}
+	return valBytes[0]
+}
+
+// float64
+
+type float64Valuer struct {
+	*DefaultValuer[sql.NullFloat64]
+}
+
+func (s *float64Valuer) Value() any {
+	if s.ValuePtr.Valid {
+		return s.ValuePtr.Float64
+	}
+	return nil
+}
+
+// bytes
+
+type bytesValuer struct {
+	*DefaultValuer[sql.RawBytes]
+}
+
+func (s *bytesValuer) Value() any {
+	val := s.ValuePtr
+	if *val == nil {
+		return nil
+	}
+	return hex.EncodeToString(*val)
+}
+
+// datetime
+
+type datetimeValuer struct {
+	*DefaultValuer[NullTime]
+}
+
+func (s *datetimeValuer) NewValuePtr() any {
+	s.ValuePtr = &NullTime{
+		Layout: time.DateTime,
+	}
+	return s.ValuePtr
+}
+
+func (s *datetimeValuer) Value() any {
+	if s.ValuePtr.Valid {
+		return s.ValuePtr.Time
+	}
+	return nil
+}
+
+// date
+
+type dateValuer struct {
+	*DefaultValuer[NullTime]
+}
+
+func (s *dateValuer) NewValuePtr() any {
+	s.ValuePtr = &NullTime{
+		Layout: time.DateOnly,
+	}
+	return s.ValuePtr
+}
+
+func (s *dateValuer) Value() any {
+	if s.ValuePtr.Valid {
+		return s.ValuePtr.Time
+	}
+	return nil
+}
+
+// time
+
+type timeValuer struct {
+	*DefaultValuer[NullTime]
+}
+
+func (s *timeValuer) NewValuePtr() any {
+	s.ValuePtr = &NullTime{
+		Layout: time.TimeOnly,
+	}
+	return s.ValuePtr
+}
+
+func (s *timeValuer) Value() any {
+	if s.ValuePtr.Valid {
+		return s.ValuePtr.Time
+	}
+	return nil
+}
+
+// NullTime represents a time that may be null.
+// NullTime implements the [Scanner] interface so
+// it can be used as a scan destination, similar to [NullString].
+type NullTime struct {
+	Time   string
+	Valid  bool // Valid is true if Time is not NULL
+	Layout string
+}
+
+var (
+	_ driver.Valuer = NullTime{}
+)
+
+// Scan implements the [Scanner] interface.
+func (n *NullTime) Scan(value any) error {
+	if value == nil {
+		n.Time, n.Valid = "", false
+		return nil
+	}
+
+	n.Valid = true
+	time, err := convertTime(value, n.Layout)
+	if err != nil {
+		return err
+	}
+	n.Time = time
+	return nil
+}
+
+// Value implements the driver Valuer interface.
+func (n NullTime) Value() (driver.Value, error) {
+	if !n.Valid {
+		return nil, nil
+	}
+	return n.Time, nil
+}
+
+func convertTime(src interface{}, layout string) (string, error) {
+	switch s := src.(type) {
+	case string:
+		return s, nil
+	case []uint8:
+		return string(s), nil
+	case time.Time:
+		return s.Format(layout), nil
+	default:
+		return "", nil
+	}
+}
--- a/server/internal/db/dbm/dbi/conn.go
+++ b/server/internal/db/dbm/dbi/conn.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
+
 	"mayfly-go/internal/machine/mcm"
 	"mayfly-go/pkg/errorx"
 	"mayfly-go/pkg/logx"
@@ -23,19 +24,33 @@ type DbConn struct {
 // 执行数据库查询返回的列信息
 type QueryColumn struct {
 	Name string `json:"name"` // 列名
-	Type string `json:"type"` // 类型
+	Type string `json:"type"` // 数据类型

-	SqlColType *sql.ColumnType `json:"-"`
+	DbDataType *DbDataType `json:"-"`
+	valuer     Valuer      `json:"-"`
 }

-func NewQueryColumn(colName string, col *sql.ColumnType) *QueryColumn {
+func NewQueryColumn(colName string, columnType *DbDataType) *QueryColumn {
 	return &QueryColumn{
-		Name:       col.Name(),
-		Type:       col.DatabaseTypeName(),
-		SqlColType: col,
+		Name:       colName,
+		Type:       columnType.DataType.Name,
+		DbDataType: columnType,
+		valuer:     columnType.DataType.Valuer(),
 	}
 }

+func (qc *QueryColumn) getValuePtr() any {
+	return qc.valuer.NewValuePtr()
+}
+
+func (qc *QueryColumn) value() any {
+	return qc.valuer.Value()
+}
+
+func (qc *QueryColumn) SQLValue(val any) any {
+	return qc.DbDataType.DataType.SQLValue(val)
+}
+
 func (d *DbConn) GetDb() *sql.DB {
 	return d.db
 }
@@ -80,7 +95,7 @@ func (d *DbConn) Query2Struct(execSql string, dest any) error {

 // WalkQueryRows 游标方式遍历查询结果集, walkFn返回error不为nil, 则跳出遍历并取消查询
 func (d *DbConn) WalkQueryRows(ctx context.Context, querySql string, walkFn WalkQueryRowsFunc, args ...any) ([]*QueryColumn, error) {
-	return walkQueryRows(ctx, d.GetDialect(), d.db, querySql, walkFn, args...)
+	return d.walkQueryRows(ctx, querySql, walkFn, args...)
 }

 // WalkTableRows 游标方式遍历指定表的结果集, walkFn返回error不为nil, 则跳出遍历并取消查询
@@ -138,6 +153,11 @@ func (d *DbConn) GetMetadata() Metadata {
 	return d.Info.Meta.GetMetadata(d)
 }

+// GetDbDataType 获取定义的数据库数据类型
+func (d *DbConn) GetDbDataType(dataType string) *DbDataType {
+	return GetDbDataType(d.Info.Type, dataType)
+}
+
 // Stats 返回数据库连接状态
 func (d *DbConn) Stats(ctx context.Context, execSql string, args ...any) sql.DBStats {
 	return d.db.Stats()
@@ -149,8 +169,8 @@ func (d *DbConn) Close() {
 		if err := d.db.Close(); err != nil {
 			logx.Errorf("关闭数据库实例[%s]连接失败: %s", d.Id, err.Error())
 		}
-		// 如果是达梦并且使用了ssh隧道，则需要手动将其关闭
-		if d.Info.Type == DbTypeDM && d.Info.SshTunnelMachineId > 0 {
+		// 如果是使用了自己实现的ssh隧道转发，则需要手动将其关闭
+		if d.Info.useSshTunnel {
 			mcm.CloseSshTunnelMachine(d.Info.SshTunnelMachineId, fmt.Sprintf("db:%d", d.Info.Id))
 		}
 		d.db = nil
@@ -158,11 +178,11 @@ func (d *DbConn) Close() {
 }

 // 游标方式遍历查询rows, walkFn error不为nil, 则跳出遍历
-func walkQueryRows(ctx context.Context, dialect Dialect, db *sql.DB, selectSql string, walkFn WalkQueryRowsFunc, args ...any) ([]*QueryColumn, error) {
+func (d *DbConn) walkQueryRows(ctx context.Context, selectSql string, walkFn WalkQueryRowsFunc, args ...any) ([]*QueryColumn, error) {
 	cancelCtx, cancelFunc := context.WithCancel(ctx)
 	defer cancelFunc()

-	rows, err := db.QueryContext(cancelCtx, selectSql, args...)
+	rows, err := d.db.QueryContext(cancelCtx, selectSql, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -170,8 +190,6 @@ func walkQueryRows(ctx context.Context, dialect Dialect, db *sql.DB, selectSql s
 	// 后面的链接过来直接报错或拒绝，实际上也没有起效果
 	defer rows.Close()

-	columnHelper := dialect.GetColumnHelper()
-
 	colTypes, err := rows.ColumnTypes()
 	if err != nil {
 		return nil, err
@@ -188,9 +206,9 @@ func walkQueryRows(ctx context.Context, dialect Dialect, db *sql.DB, selectSql s
 		if colName == "" {
 			colName = fmt.Sprintf("<anonymous%d>", k+1)
 		}
-		qc := NewQueryColumn(colName, colType)
+		qc := NewQueryColumn(colName, d.GetDbDataType(colType.DatabaseTypeName()))
 		cols[k] = qc
-		scans[k] = columnHelper.GetScanDestPtr(qc)
+		scans[k] = qc.getValuePtr()
 	}

 	for rows.Next() {
@@ -201,8 +219,8 @@ func walkQueryRows(ctx context.Context, dialect Dialect, db *sql.DB, selectSql s
 		// 每行数据
 		rowData := make(map[string]any, lenCols)
 		// 把values中的数据复制到row中
-		for i, v := range scans {
-			rowData[cols[i].Name] = columnHelper.ConvertScanDestValue(v, cols[i])
+		for i := range scans {
+			rowData[cols[i].Name] = cols[i].value()
 		}
 		if err = walkFn(rowData, cols); err != nil {
 			logx.ErrorfContext(ctx, "[%s] cursor traversal query result set error, exit traversal: %s", selectSql, err.Error())
--- a/server/internal/db/dbm/dbi/db_info.go
+++ b/server/internal/db/dbm/dbi/db_info.go
@@ -11,19 +11,6 @@ import (

 type DbType string

-const (
-	DbTypeMysql      DbType = "mysql"
-	DbTypeMariadb    DbType = "mariadb"
-	DbTypePostgres   DbType = "postgres"
-	DbTypeGauss      DbType = "gauss"
-	DbTypeDM         DbType = "dm"
-	DbTypeOracle     DbType = "oracle"
-	DbTypeSqlite     DbType = "sqlite"
-	DbTypeMssql      DbType = "mssql"
-	DbTypeKingbaseEs DbType = "kingbaseEs"
-	DbTypeVastbase   DbType = "vastbase"
-)
-
 func ToDbType(dbType string) DbType {
 	return DbType(dbType)
 }
@@ -52,6 +39,7 @@ type DbInfo struct {

 	CodePath           []string
 	SshTunnelMachineId int
+	useSshTunnel       bool // 是否使用系统自己实现的ssh隧道连接,而非库自带的

 	Meta Meta
 }
@@ -116,6 +104,7 @@ func (di *DbInfo) IfUseSshTunnelChangeIpPort() error {
 		}
 		di.Host = exposedIp
 		di.Port = exposedPort
+		di.useSshTunnel = true
 	}
 	return nil
 }
--- a/server/internal/db/dbm/dbi/dialect.go
+++ b/server/internal/db/dbm/dbi/dialect.go
@@ -1,22 +1,12 @@
 package dbi

 import (
-	"database/sql"
-	"encoding/hex"
 	"errors"
 	"io"
 	"mayfly-go/internal/db/dbm/sqlparser"
 	"mayfly-go/internal/db/dbm/sqlparser/pgsql"
-	"reflect"
-	"strconv"
-	"strings"
-
-	pq "gitee.com/liuzongyang/libpq"
-	"github.com/may-fly/cast"
 )

-const DefaultQuoter = `"`
-
 const (
 	// -1. 无操作
 	DuplicateStrategyNone = -1
@@ -36,47 +26,15 @@ type DbCopyTable struct {
 // BaseDialect 基础dialect，在DefaultDialect 都有默认的实现方法
 type BaseDialect interface {

-	// QuoteIdentifier quotes an "identifier" (e.g. a table or a column name) to be
-	// used as part of an SQL statement.  For example:
-	//
-	//	tblname := "my_table"
-	//	data := "my_data"
-	//	quoted := quoteIdentifier(tblname, '"')
-	//	err := db.Exec(fmt.Sprintf("INSERT INTO %s VALUES ($1)", quoted), data)
-	//
-	// Any double quotes in name will be escaped.  The quoted identifier will be
-	// case sensitive when used in a query.  If the input string contains a zero
-	// byte, the result will be truncated immediately before it.
-	QuoteIdentifier(name string) string
-
-	RemoveQuote(name string) string
-
-	// QuoteEscape 引号转义，多用于sql注释转义，防止拼接sql报错，如： comment xx is '注''释'   最终注释文本为:  注'释
-	QuoteEscape(str string) string
-
-	// QuoteLiteral quotes a 'literal' (e.g. a parameter, often used to pass literal
-	// to DDL and other statements that do not accept parameters) to be used as part
-	// of an SQL statement.  For example:
-	//
-	//	exp_date := pq.QuoteLiteral("2023-01-05 15:00:00Z")
-	//	err := db.Exec(fmt.Sprintf("CREATE ROLE my_user VALID UNTIL %s", exp_date))
-	//
-	// Any single quotes in name will be escaped. Any backslashes (i.e. "\") will be
-	// replaced by two backslashes (i.e. "\\") and the C-style escape identifier
-	QuoteLiteral(literal string) string
+	// Quoter sql关键字引用处理，如 table -> `table`、table -> "table"
+	Quoter() Quoter

 	// GetDbProgram 获取数据库程序模块，用于数据库备份与恢复
 	GetDbProgram() (DbProgram, error)

-	// GetColumnHelper
-	GetColumnHelper() ColumnHelper
-
 	// GetDumpHeler
 	GetDumpHelper() DumpHelper

-	// GetDataHelper 获取数据处理助手 用于解析格式化列数据等
-	GetDataHelper() DataHelper
-
 	// GetSQLParser 获取sql解析器
 	GetSQLParser() sqlparser.SqlParser
 }
@@ -86,20 +44,11 @@ type BaseDialect interface {
 type Dialect interface {
 	BaseDialect

-	// BatchInsert 批量insert数据
-	BatchInsert(tx *sql.Tx, tableName string, columns []string, values [][]any, duplicateStrategy int) (int64, error)
-
 	// CopyTable 拷贝表
 	CopyTable(copy *DbCopyTable) error

-	// GenerateTableDDL 生成建表ddl
-	GenerateTableDDL(columns []Column, tableInfo Table, dropBeforeCreate bool) []string
-
-	// GenerateIndexDDL 生成索引ddl
-	GenerateIndexDDL(indexs []Index, tableInfo Table) []string
-
-	// UpdateSequence 有些数据库迁移完数据之后，需要更新表自增序列为当前表最大值
-	UpdateSequence(tableName string, columns []Column)
+	// GetSQLGenerator 获取sql生成器
+	GetSQLGenerator() SQLGenerator
 }

 // DefaultDialect 默认实现，若需要覆盖，则由各个数据库dialect实现去覆盖重写
@@ -108,29 +57,10 @@ type DefaultDialect struct {

 var _ (BaseDialect) = (*DefaultDialect)(nil)

-func (dx *DefaultDialect) QuoteIdentifier(name string) string {
-	end := strings.IndexRune(name, 0)
-	if end > -1 {
-		name = name[:end]
-	}
-	return DefaultQuoter + strings.Replace(name, DefaultQuoter, DefaultQuoter+DefaultQuoter, -1) + DefaultQuoter
+func (dx *DefaultDialect) Quoter() Quoter {
+	return DefaultQuoter
 }

-func (dx *DefaultDialect) RemoveQuote(name string) string {
-	return strings.ReplaceAll(name, DefaultQuoter, "")
-}
-
-func (dd *DefaultDialect) QuoteEscape(str string) string {
-	return strings.Replace(str, `'`, `''`, -1)
-}
-
-func (dd *DefaultDialect) QuoteLiteral(literal string) string {
-	return pq.QuoteLiteral(literal)
-}
-
-func (dd *DefaultDialect) UpdateSequence(tableName string, columns []Column) {}
-
-// GetDbProgram 获取数据库程序模块，用于数据库备份与恢复
 func (dd *DefaultDialect) GetDbProgram() (DbProgram, error) {
 	return nil, errors.New("not support db program")
 }
@@ -139,113 +69,10 @@ func (dd *DefaultDialect) GetDumpHelper() DumpHelper {
 	return new(DefaultDumpHelper)
 }

-func (dd *DefaultDialect) GetColumnHelper() ColumnHelper {
-	return new(DefaultColumnHelper)
-}
-
 func (pd *DefaultDialect) GetSQLParser() sqlparser.SqlParser {
 	return new(pgsql.PgsqlParser)
 }

-func (pd *DefaultDialect) GetDataHelper() DataHelper {
-	return nil
-}
-
-// ColumnHelper 数据库迁移辅助方法
-type ColumnHelper interface {
-	// ToCommonColumn 数据库方言自带的列转换为公共列
-	ToCommonColumn(dialectColumn *Column)
-
-	// ToColumn 公共列转为各个数据库方言自带的列
-	ToColumn(commonColumn *Column)
-
-	// FixColumn 根据数据库类型修复字段长度、精度等
-	FixColumn(column *Column)
-
-	// GetScanDestPtr 获取scan列目标值指针，用于在*sql.Rows.Scan()填充该值
-	GetScanDestPtr(*QueryColumn) any
-
-	// ConvertScanDestValue 将scan的填充的原始值data转为可阅读的值，如[]byte -> string or number...
-	ConvertScanDestValue(data any, qc *QueryColumn) any
-}
-
-type DefaultColumnHelper struct {
-}
-
-func (dd *DefaultColumnHelper) ToCommonColumn(dialectColumn *Column) {}
-
-func (dd *DefaultColumnHelper) ToColumn(commonColumn *Column) {}
-
-func (dd *DefaultColumnHelper) FixColumn(column *Column) {}
-
-func (dd *DefaultColumnHelper) GetScanDestPtr(qc *QueryColumn) any {
-	return &[]byte{}
-}
-
-func (dd *DefaultColumnHelper) ConvertScanDestValue(data any, qc *QueryColumn) any {
-	if data == nil {
-		return nil
-	}
-
-	colType := qc.SqlColType
-	// 列的数据库类型名
-	colDatabaseTypeName := strings.ToLower(colType.DatabaseTypeName())
-
-	stringV := ""
-	if slicePtr, ok := data.(*[]uint8); ok {
-		bytes := *slicePtr
-		if bytes == nil {
-			return nil
-		}
-
-		// 如果类型是bit，则直接返回第一个字节即可
-		if strings.Contains(colDatabaseTypeName, "bit") {
-			return (bytes)[0]
-		}
-
-		if colDatabaseTypeName == "blob" {
-			return hex.EncodeToString(bytes)
-		}
-		// 把[]byte数据转成string
-		stringV = string(bytes)
-	} else {
-		stringV = cast.ToString(data)
-	}
-
-	if colType == nil || colType.ScanType() == nil {
-		return stringV
-	}
-	colScanType := strings.ToLower(colType.ScanType().Name())
-
-	if strings.Contains(colScanType, "int") {
-		// 如果长度超过16位，则返回字符串，因为前端js长度大于16会丢失精度
-		if len(stringV) > 16 {
-			return stringV
-		}
-		intV, _ := strconv.Atoi(stringV)
-		switch colType.ScanType().Kind() {
-		case reflect.Int8:
-			return int8(intV)
-		case reflect.Uint8:
-			return uint8(intV)
-		case reflect.Int64:
-			return int64(intV)
-		case reflect.Uint64:
-			return uint64(intV)
-		case reflect.Uint:
-			return uint(intV)
-		default:
-			return intV
-		}
-	}
-	if strings.Contains(colScanType, "float") || strings.Contains(colDatabaseTypeName, "decimal") {
-		floatV, _ := strconv.ParseFloat(stringV, 64)
-		return floatV
-	}
-
-	return stringV
-}
-
 // DumpHelper 导出辅助方法
 type DumpHelper interface {
 	BeforeInsert(writer io.Writer, tableName string)
@@ -269,3 +96,14 @@ func (dd *DefaultDumpHelper) BeforeInsertSql(quoteSchema string, quoteTableName
 func (dd *DefaultDumpHelper) AfterInsert(writer io.Writer, tableName string, columns []Column) {
 	writer.Write([]byte("COMMIT;\n"))
 }
+
+type SQLGenerator interface {
+	// GenTableDDL 生成建表语句
+	GenTableDDL(table Table, columns []Column, dropBeforeCreate bool) []string
+
+	// GenIndexDDL 生成索引语句
+	GenIndexDDL(table Table, indexs []Index) []string
+
+	// GenInsert 生成插入语句
+	GenInsert(tableName string, columns []Column, values [][]any, duplicateStrategy int) []string
+}
--- a/server/internal/db/dbm/dbi/meta.go
+++ b/server/internal/db/dbm/dbi/meta.go
@@ -5,30 +5,59 @@ import (
 )

 var (
-	metas = make(map[DbType]Meta)
+	metas    = make(map[DbType]Meta)
+	metaInit = make(map[DbType]bool)
 )

-// 注册数据库类型与dbmeta
-func Register(dt DbType, meta Meta) {
-	metas[dt] = meta
-}
-
-// 根据数据库类型获取对应的Meta
-func GetMeta(dt DbType) Meta {
-	return metas[dt]
-}
-
 type DbVersion string

-// 数据库元信息，如获取sql.DB、Dialect等
+// Meta 数据库元信息，如获取sql.DB、Dialect等
 type Meta interface {
 	// GetSqlDb 根据数据库信息获取sql.DB
 	GetSqlDb(*DbInfo) (*sql.DB, error)

-	// GetDialect 获取数据库方言, 若一些接口（如QuoteIdentifier）不需要DbConn，则可以传nil
+	// GetDialect 获取数据库方言, 若一些接口不需要DbConn，则可以传nil
 	GetDialect(*DbConn) Dialect

 	// GetMetadata 获取元数据信息接口
 	// @param *DbConn 数据库连接
 	GetMetadata(*DbConn) Metadata
+
+	// GetDbDataTypes 获取所有数据库对应的数据类型
+	GetDbDataTypes() []*DbDataType
+
+	// GetCommonTypeConverter 获取公共类型转换器，用于迁移与同步
+	GetCommonTypeConverter() CommonTypeConverter
+}
+
+// 注册数据库类型与dbmeta
+func Register(dt DbType, meta Meta) {
+	metas[dt] = meta
+	metaInit[dt] = false
+}
+
+// 根据数据库类型获取对应的Meta
+func GetMeta(dt DbType) Meta {
+	// 未初始化，则进行初始化，如注册数据库类型等。防止未使用到的数据库都被注册
+	if inited := metaInit[dt]; !inited {
+		initMeta(dt, metas[dt])
+	}
+	return metas[dt]
+}
+
+// GetDialect 获取数据库方言，如果dialect方法内需要用到dbConn的，则不支持该方法
+func GetDialect(dt DbType) Dialect {
+	// 创建一个假连接，仅用于调用方言生成sql，不做数据库连接操作
+	meta := GetMeta(dt)
+	dbConn := &DbConn{Info: &DbInfo{
+		Type: dt,
+		Meta: meta,
+	}}
+	return meta.GetDialect(dbConn)
+}
+
+// initMeta 初始化数据库类型，如注册数据库类型等
+func initMeta(dt DbType, meta Meta) {
+	registerColumnDbDataTypes(dt, meta.GetDbDataTypes()...)
+	registerCommonTypeConverter(dt, meta.GetCommonTypeConverter())
 }
--- a/server/internal/db/dbm/dbi/metadata.go
+++ b/server/internal/db/dbm/dbi/metadata.go
@@ -2,7 +2,6 @@ package dbi

 import (
 	"embed"
-	"fmt"
 	"mayfly-go/pkg/biz"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/stringx"
@@ -55,9 +54,6 @@ func (dd *DefaultMetadata) GetDefaultDb() string {
 	return ""
 }

-// GenerateSQLStepFunc 生成insert sql的step函数，用于生成insert sql时，每生成100条sql时调用
-type GenerateSQLStepFunc func(sqlArr []string)
-
 // 数据库服务实例信息
 type DbServer struct {
 	Version string  `json:"version"` // 版本信息
@@ -74,115 +70,16 @@ type Table struct {
 	IndexLength  int64  `json:"indexLength"`
 }

-// 表的列信息
-type Column struct {
-	TableName     string         `json:"tableName"`     // 表名
-	ColumnName    string         `json:"columnName"`    // 列名
-	DataType      ColumnDataType `json:"dataType"`      // 数据类型
-	ColumnComment string         `json:"columnComment"` // 列备注
-	IsPrimaryKey  bool           `json:"isPrimaryKey"`  // 是否为主键
-	IsIdentity    bool           `json:"isIdentity"`    // 是否自增
-	ColumnDefault string         `json:"columnDefault"` // 默认值
-	Nullable      bool           `json:"nullable"`      // 是否可为null
-	CharMaxLength int            `json:"charMaxLength"` // 字符最大长度
-	NumPrecision  int            `json:"numPrecision"`  // 精度(总数字位数)
-	NumScale      int            `json:"numScale"`      // 小数点位数
-	Extra         collx.M        `json:"extra"`         // 其他额外信息
-}
-
-// 拼接数据类型与长度等。如varchar(2000)，decimal(20,2)
-func (c *Column) GetColumnType() string {
-	// 哪些mysql数据类型不需要添加字段长度
-	if collx.ArrayAnyMatches([]string{"int", "blob", "float", "double", "date", "year", "json"}, string(c.DataType)) {
-		return string(c.DataType)
-	}
-	if c.DataType == "timestamp" {
-		return "timestamp(6)"
-	}
-	if c.CharMaxLength > 0 {
-		return fmt.Sprintf("%s(%d)", c.DataType, c.CharMaxLength)
-	}
-	if c.NumPrecision > 0 {
-		if c.NumScale > 0 {
-			return fmt.Sprintf("%s(%d,%d)", c.DataType, c.NumPrecision, c.NumScale)
-		} else {
-			return fmt.Sprintf("%s(%d)", c.DataType, c.NumPrecision)
-		}
-	}
-
-	return string(c.DataType)
-}
-
 // 表索引信息
 type Index struct {
-	IndexName    string `json:"indexName"`    // 索引名
-	ColumnName   string `json:"columnName"`   // 列名
-	IndexType    string `json:"indexType"`    // 索引类型
-	IndexComment string `json:"indexComment"` // 备注
-	SeqInIndex   int    `json:"seqInIndex"`
-	IsUnique     bool   `json:"isUnique"`
-	IsPrimaryKey bool   `json:"isPrimaryKey"` // 是否是主键索引，某些情况需要判断并过滤掉主键索引
-}
-
-type ColumnDataType string
-
-const (
-	CommonTypeVarchar    ColumnDataType = "varchar"
-	CommonTypeChar       ColumnDataType = "char"
-	CommonTypeText       ColumnDataType = "text"
-	CommonTypeBlob       ColumnDataType = "blob"
-	CommonTypeLongblob   ColumnDataType = "longblob"
-	CommonTypeLongtext   ColumnDataType = "longtext"
-	CommonTypeBinary     ColumnDataType = "binary"
-	CommonTypeMediumblob ColumnDataType = "mediumblob"
-	CommonTypeMediumtext ColumnDataType = "mediumtext"
-	CommonTypeVarbinary  ColumnDataType = "varbinary"
-
-	CommonTypeInt      ColumnDataType = "int"
-	CommonTypeBit      ColumnDataType = "bit"
-	CommonTypeSmallint ColumnDataType = "smallint"
-	CommonTypeTinyint  ColumnDataType = "tinyint"
-	CommonTypeNumber   ColumnDataType = "number"
-	CommonTypeBigint   ColumnDataType = "bigint"
-
-	CommonTypeDatetime  ColumnDataType = "datetime"
-	CommonTypeDate      ColumnDataType = "date"
-	CommonTypeTime      ColumnDataType = "time"
-	CommonTypeTimestamp ColumnDataType = "timestamp"
-
-	CommonTypeEnum ColumnDataType = "enum"
-	CommonTypeJSON ColumnDataType = "json"
-)
-
-type DataType string
-
-const (
-	DataTypeString   DataType = "string"
-	DataTypeNumber   DataType = "number"
-	DataTypeDate     DataType = "date"
-	DataTypeTime     DataType = "time"
-	DataTypeDateTime DataType = "datetime"
-	DataTypeBlob     DataType = "blob"
-)
-
-// 列数据处理帮助方法
-type DataHelper interface {
-	// 获取数据对应的类型
-	// @param dbColumnType 数据库原始列类型，如varchar等
-	GetDataType(dbColumnType string) DataType
-
-	// 根据数据类型格式化指定数据
-	FormatData(dbColumnValue any, dataType DataType) string
-
-	// 根据数据类型解析数据为符合要求的指定类型等
-	ParseData(dbColumnValue any, dataType DataType) any
-
-	// WrapValue 根据数据类型包装value，如：
-	// 1.数字型：不需要引号，
-	// 2.文本型：需要用引号包裹，单引号需要转义，换行符转义,
-	// 3.date型：需要格式化成对应的字符串，如：time：hh:mm:ss.SSS  date: yyyy-mm-dd  datetime:
-	// 4.特殊：oracle date型需要用函数包裹：to_timestamp('%s', 'yyyy-mm-dd hh24:mi:ss')
-	WrapValue(dbColumnValue any, dataType DataType) string
+	IndexName    string  `json:"indexName"`    // 索引名
+	ColumnName   string  `json:"columnName"`   // 列名
+	IndexType    string  `json:"indexType"`    // 索引类型
+	IndexComment string  `json:"indexComment"` // 备注
+	SeqInIndex   int     `json:"seqInIndex"`
+	IsUnique     bool    `json:"isUnique"`
+	IsPrimaryKey bool    `json:"isPrimaryKey"` // 是否是主键索引，某些情况需要判断并过滤掉主键索引
+	Extra        collx.M `json:"extra"`        // 其他额外信息，如索引列的前缀长度等
 }

 // ------------------------- 元数据sql操作 -------------------------
--- a/server/internal/db/dbm/dbi/metasql/mysql_meta.sql
+++ b/server/internal/db/dbm/dbi/metasql/mysql_meta.sql
@@ -36,6 +36,7 @@ SELECT
  IF(non_unique, 0, 1) isUnique,
  SEQ_IN_INDEX seqInIndex,
  INDEX_COMMENT indexComment,
+  SUB_PART subPart,
  index_name = 'PRIMARY' as isPrimaryKey
 FROM
  information_schema.STATISTICS
--- a/server/internal/db/dbm/dbi/quoter.go
+++ b/server/internal/db/dbm/dbi/quoter.go
@@ -0,0 +1,190 @@
+package dbi
+
+import (
+	"mayfly-go/pkg/utils/collx"
+	"strings"
+)
+
+// Quoter represents a quoter to the SQL identifier. i.e. table name or column name
+type Quoter struct {
+	Prefix     byte
+	Suffix     byte
+	IsReserved func(string) bool
+}
+
+var (
+	// AlwaysNoReserve always think it's not a reverse word
+	AlwaysNoReserve = func(string) bool { return false }
+
+	// AlwaysReserve always reverse the word
+	AlwaysReserve = func(string) bool { return true }
+
+	// DefaultQuoter represents the default quoter
+	DefaultQuote byte = '"'
+
+	// DefaultQuoter the default quoter
+	DefaultQuoter = Quoter{DefaultQuote, DefaultQuote, AlwaysReserve}
+)
+
+// IsEmpty return true if no prefix and suffix
+func (q Quoter) IsEmpty() bool {
+	return q.Prefix == 0 && q.Suffix == 0
+}
+
+// Quote quote a string
+func (q Quoter) Quote(s string) string {
+	var buf strings.Builder
+	_ = q.QuoteTo(&buf, s)
+	return buf.String()
+}
+
+// Strings quotes a slice of string
+func (q Quoter) Quotes(s []string) []string {
+	return collx.ArrayMap[string, string](s, func(val string) string {
+		return q.Quote(val)
+	})
+}
+
+// QuoteTo quotes the identifier. if the quotes are [ and ]
+//
+//	name -> [name]
+//	[name] -> [name]
+//	schema.name -> [schema].[name]
+//	[schema].name -> [schema].[name]
+//	schema.[name] -> [schema].[name]
+//	name AS a  ->  [name] AS a
+//	schema.name AS a  ->  [schema].[name] AS a
+func (q Quoter) QuoteTo(buf *strings.Builder, value string) error {
+	var i int
+	for i < len(value) {
+		start := findStart(value, i)
+		if start > i {
+			if _, err := buf.WriteString(value[i:start]); err != nil {
+				return err
+			}
+		}
+		if start == len(value) {
+			return nil
+		}
+
+		nextEnd := findWord(value, start)
+		if err := q.quoteWordTo(buf, value[start:nextEnd]); err != nil {
+			return err
+		}
+		i = nextEnd
+	}
+	return nil
+}
+
+// Trim removes quotes from s
+func (q Quoter) Trim(s string) string {
+	if len(s) < 2 {
+		return s
+	}
+
+	var buf strings.Builder
+	for i := 0; i < len(s); i++ {
+		switch {
+		case i == 0 && s[i] == q.Prefix:
+		case i == len(s)-1 && s[i] == q.Suffix:
+		case s[i] == q.Suffix && s[i+1] == '.':
+		case s[i] == q.Prefix && s[i-1] == '.':
+		default:
+			buf.WriteByte(s[i])
+		}
+	}
+	return buf.String()
+}
+
+// Join joins a slice with quoters
+func (q Quoter) Join(a []string, separator string) string {
+	var b strings.Builder
+	_ = q.JoinWrite(&b, a, separator)
+	return b.String()
+}
+
+// JoinWrite writes quoted content to a builder
+func (q Quoter) JoinWrite(b *strings.Builder, a []string, sep string) error {
+	if len(a) == 0 {
+		return nil
+	}
+
+	n := len(sep) * (len(a) - 1)
+	for i := 0; i < len(a); i++ {
+		n += len(a[i])
+	}
+
+	b.Grow(n)
+	for i, s := range a {
+		if i > 0 {
+			if _, err := b.WriteString(sep); err != nil {
+				return err
+			}
+		}
+		if err := q.QuoteTo(b, strings.TrimSpace(s)); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (q Quoter) quoteWordTo(buf *strings.Builder, word string) error {
+	if (word[0] == q.Prefix && word[len(word)-1] == q.Suffix) ||
+		q.IsEmpty() || !q.IsReserved(word) || word == "*" {
+		if _, err := buf.WriteString(word); err != nil {
+			return err
+		}
+		return nil
+	}
+
+	if err := buf.WriteByte(q.Prefix); err != nil {
+		return err
+	}
+	if _, err := buf.WriteString(word); err != nil {
+		return err
+	}
+	return buf.WriteByte(q.Suffix)
+}
+
+func findWord(v string, start int) int {
+	for j := start; j < len(v); j++ {
+		switch v[j] {
+		case '.', ' ':
+			return j
+		}
+	}
+	return len(v)
+}
+
+func findStart(value string, start int) int {
+	if value[start] == '.' {
+		return start + 1
+	}
+	if value[start] != ' ' {
+		return start
+	}
+
+	k := -1
+	for j := start; j < len(value); j++ {
+		if value[j] != ' ' {
+			k = j
+			break
+		}
+	}
+	if k == -1 {
+		return len(value)
+	}
+
+	if k+1 < len(value) &&
+		(value[k] == 'A' || value[k] == 'a') &&
+		(value[k+1] == 'S' || value[k+1] == 's') {
+		k += 2
+	}
+
+	for j := k; j < len(value); j++ {
+		if value[j] != ' ' {
+			return j
+		}
+	}
+	return len(value)
+}
--- a/server/internal/db/dbm/dbi/quoter_test.go
+++ b/server/internal/db/dbm/dbi/quoter_test.go
@@ -0,0 +1,106 @@
+package dbi
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestQuoteTo(t *testing.T) {
+	var (
+		quoter = Quoter{'[', ']', AlwaysReserve}
+		kases  = []struct {
+			expected string
+			value    string
+		}{
+			{"[table]", "table"},
+			{"[table]", "[table]"},
+			{`[table].*`, `[table].*`},
+			{"[schema].[table]", "schema.table"},
+			{`["schema].[table"]`, `"schema.table"`},
+			{"[schema].[table] AS [table]", "schema.table AS table"},
+			{" [table]", " table"},
+			{"  [table]", "  table"},
+			{"[table] ", "table "},
+			{"[table]  ", "table  "},
+			{" [table] ", " table "},
+			{"  [table]  ", "  table  "},
+		}
+	)
+
+	for _, v := range kases {
+		t.Run(v.value, func(t *testing.T) {
+			buf := &strings.Builder{}
+			err := quoter.QuoteTo(buf, v.value)
+			assert.NoError(t, err)
+			assert.EqualValues(t, v.expected, buf.String())
+		})
+	}
+}
+
+func TestReversedQuoteTo(t *testing.T) {
+	var (
+		quoter = Quoter{'[', ']', func(s string) bool {
+			return s == "table"
+		}}
+		kases = []struct {
+			expected string
+			value    string
+		}{
+			{"[table]", "table"},
+			{"[table].*", `[table].*`},
+			{`"table"`, `"table"`},
+			{"schema.[table]", "schema.table"},
+			{"[schema].[table]", `[schema].table`},
+			{"schema.[table]", `schema.[table]`},
+			{"[schema].[table]", `[schema].[table]`},
+			{`"schema.table"`, `"schema.table"`},
+			{"schema.[table] AS table1", "schema.table AS table1"},
+		}
+	)
+
+	for _, v := range kases {
+		t.Run(v.value, func(t *testing.T) {
+			buf := &strings.Builder{}
+			quoter.QuoteTo(buf, v.value)
+			assert.EqualValues(t, v.expected, buf.String())
+		})
+	}
+}
+
+func TestJoin(t *testing.T) {
+	cols := []string{"f1", "f2", "f3"}
+	quoter := Quoter{'[', ']', AlwaysReserve}
+
+	assert.EqualValues(t, "[a],[b]", quoter.Join([]string{"a", " b"}, ","))
+
+	assert.EqualValues(t, "[a].*,[b].[c]", quoter.Join([]string{"a.*", " b.c"}, ","))
+
+	assert.EqualValues(t, "[b] [a]", quoter.Join([]string{"b a"}, ","))
+
+	assert.EqualValues(t, "[f1], [f2], [f3]", quoter.Join(cols, ", "))
+
+	quoter.IsReserved = AlwaysNoReserve
+	assert.EqualValues(t, "f1, f2, f3", quoter.Join(cols, ", "))
+}
+
+func TestQuotes(t *testing.T) {
+	cols := []string{"f1", "f2", "t3.f3", "t4.*"}
+	quoter := Quoter{'[', ']', AlwaysReserve}
+
+	quotedCols := quoter.Quotes(cols)
+	assert.EqualValues(t, []string{"[f1]", "[f2]", "[t3].[f3]", "[t4].*"}, quotedCols)
+}
+
+func TestTrim(t *testing.T) {
+	kases := map[string]string{
+		"[table_name]":          "table_name",
+		"[schema].[table_name]": "schema.table_name",
+	}
+
+	for src, dst := range kases {
+		assert.EqualValues(t, src, DefaultQuoter.Trim(src))
+		assert.EqualValues(t, dst, Quoter{'[', ']', AlwaysReserve}.Trim(src))
+	}
+}
--- a/server/internal/db/dbm/dbi/stmt.go
+++ b/server/internal/db/dbm/dbi/stmt.go
@@ -0,0 +1,89 @@
+package dbi
+
+import (
+	"fmt"
+	"mayfly-go/pkg/logx"
+	"strings"
+)
+
+type StmtType string
+
+const (
+	StmtTypeSelect StmtType = "select"
+	StmtTypeInsert StmtType = "insert"
+	StmtTypeUpdate StmtType = "update"
+	StmtTypeDelete StmtType = "delete"
+	StmtTypeDDL    StmtType = "ddl"
+)
+
+// GenTableDDL 生成通用表DDL
+func GenTableDDL(dialect Dialect, md Metadata, tableName string, dropBeforeCreate bool) (string, error) {
+	// 1.获取表信息
+	tbs, err := md.GetTables(tableName)
+	if len(tbs) == 0 {
+		logx.Errorf("get table error: %s", tableName)
+		return "", err
+	}
+	table := tbs[0]
+
+	// 2.获取列信息
+	columns, err := md.GetColumns(tableName)
+	if err != nil {
+		logx.Errorf("get columns error: %s", tableName)
+		return "", err
+	}
+
+	sqlGenerator := dialect.GetSQLGenerator()
+
+	tableDDLArr := sqlGenerator.GenTableDDL(table, columns, dropBeforeCreate)
+	// 3.获取索引信息
+	indexs, err := md.GetTableIndex(tableName)
+	if err != nil {
+		logx.Errorf("get indexs error: %s", tableName)
+		return "", err
+	}
+
+	// 组装返回
+	tableDDLArr = append(tableDDLArr, sqlGenerator.GenIndexDDL(table, indexs)...)
+	return strings.Join(tableDDLArr, ";\n"), nil
+}
+
+// GenCommonInsert 生成通用insert sql
+//
+//	insert into table_name (column1, column2, ...) values (value1, value2, ...), (value1, value2, ...), ...
+func GenCommonInsert(dialect Dialect, dbType DbType, tableName string, columns []Column, values [][]any) string {
+	quote := dialect.Quoter().Quote
+	columnStr, valuesStrs := GenInsertSqlColumnAndValues(dialect, dbType, columns, values)
+
+	// insert into table_name (column1, column2, ...) values (value1, value2, ...), (value1, value2, ...), ...
+	return fmt.Sprintf("INSERT INTO %s %s VALUES \n%s", quote(tableName), columnStr, strings.Join(valuesStrs, ",\n"))
+}
+
+// GenInsertSqlColumnAndValues 生成insert sql对应的 columes信息和values信息
+//
+//	columnsStr -> (column1, column2, column3, ...)
+//	valuesStrs -> ['(value1, value2, value3, ...)', '(value1, value2, value3, ...)', ...]
+func GenInsertSqlColumnAndValues(dialect Dialect, dbType DbType, columns []Column, values [][]any) (columnsStr string, valuesStrs []string) {
+	quote := dialect.Quoter().Quote
+
+	columnNames := make([]string, 0, len(columns))
+	columnTypes := make([]*DbDataType, len(columns))
+
+	strValueArr := make([]string, 0, len(values))
+
+	for i, column := range columns {
+		columnNames = append(columnNames, quote(column.ColumnName))
+		columnType := GetDbDataType(dbType, column.DataType)
+		columnTypes[i] = columnType
+	}
+
+	for _, value := range values {
+		vs := make([]string, 0, len(value))
+		for i, v := range value {
+			vs = append(vs, columnTypes[i].DataType.SQLValue(v))
+		}
+		strValueArr = append(strValueArr, fmt.Sprintf("(%s)", strings.Join(vs, ", ")))
+	}
+
+	return fmt.Sprintf("(%s)", strings.Join(columnNames, ", ")), strValueArr
+}
--- a/server/internal/db/dbm/dbi/transfer.go
+++ b/server/internal/db/dbm/dbi/transfer.go
@@ -0,0 +1,154 @@
+package dbi
+
+import (
+	"fmt"
+)
+
+type CommonDbDataType int
+
+// common column type enum
+const (
+	CTVarchar CommonDbDataType = iota
+	CTChar
+	CTText
+	CTMediumtext
+	CTLongtext
+
+	CTBit  // 1 bit
+	CTInt1 // 1字节 -128~127
+	CTInt2 // 2字节 -32768~32767
+	CTInt4 // 4字节 -2147483648~2147483647
+	CTInt8 // 8字节 -9223372036854775808~9223372036854775807
+	CTNumeric
+	CTDecimal
+
+	CTUnsignedInt8
+	CTUnsignedInt4
+	CTUnsignedInt2
+	CTUnsignedInt1
+
+	CTDate
+	CTTime
+	CTDateTime
+	CTTimestamp
+
+	CTBinary
+	CTVarbinary
+	CTMediumblob
+	CTBlob
+	CTLongblob
+
+	CTEnum
+	CTJSON
+)
+
+type CommonTypeConverter interface {
+	Varchar(*Column) *DbDataType
+	Char(*Column) *DbDataType
+	Text(*Column) *DbDataType
+	Mediumtext(*Column) *DbDataType
+	Longtext(*Column) *DbDataType
+
+	Bit(*Column) *DbDataType
+	Int1(*Column) *DbDataType
+	Int2(*Column) *DbDataType
+	Int4(*Column) *DbDataType
+	Int8(*Column) *DbDataType
+	Numeric(*Column) *DbDataType
+	Decimal(*Column) *DbDataType
+
+	UnsignedInt8(*Column) *DbDataType
+	UnsignedInt4(*Column) *DbDataType
+	UnsignedInt2(*Column) *DbDataType
+	UnsignedInt1(*Column) *DbDataType
+
+	Date(*Column) *DbDataType
+	Time(*Column) *DbDataType
+	Datetime(*Column) *DbDataType
+	Timestamp(*Column) *DbDataType
+
+	Binary(*Column) *DbDataType
+	Varbinary(*Column) *DbDataType
+	Mediumblob(*Column) *DbDataType
+	Blob(*Column) *DbDataType
+	Longblob(*Column) *DbDataType
+
+	Enum(*Column) *DbDataType
+	JSON(*Column) *DbDataType
+}
+
+var (
+	commonTypeConverters = make(map[DbType]map[CommonDbDataType]func(*Column) *DbDataType) // 公共列转换器
+)
+
+// registerCommonTypeConverter 注册公共列转换器
+func registerCommonTypeConverter(dbType DbType, ctc CommonTypeConverter) {
+	if ctc == nil {
+		return
+	}
+
+	cts := make(map[CommonDbDataType]func(*Column) *DbDataType)
+	cts[CTVarchar] = ctc.Varchar
+	cts[CTChar] = ctc.Char
+	cts[CTText] = ctc.Text
+	cts[CTMediumtext] = ctc.Mediumtext
+	cts[CTLongtext] = ctc.Longtext
+
+	cts[CTBit] = ctc.Bit
+	cts[CTInt1] = ctc.Int1
+	cts[CTInt2] = ctc.Int2
+	cts[CTInt4] = ctc.Int4
+	cts[CTInt8] = ctc.Int8
+	cts[CTNumeric] = ctc.Numeric
+	cts[CTDecimal] = ctc.Decimal
+	cts[CTUnsignedInt8] = ctc.UnsignedInt8
+	cts[CTUnsignedInt4] = ctc.UnsignedInt4
+	cts[CTUnsignedInt2] = ctc.UnsignedInt2
+	cts[CTUnsignedInt1] = ctc.UnsignedInt1
+
+	cts[CTDate] = ctc.Date
+	cts[CTTime] = ctc.Time
+	cts[CTDateTime] = ctc.Datetime
+	cts[CTTimestamp] = ctc.Timestamp
+
+	cts[CTBinary] = ctc.Binary
+	cts[CTVarbinary] = ctc.Varbinary
+	cts[CTMediumblob] = ctc.Mediumblob
+	cts[CTBlob] = ctc.Blob
+	cts[CTLongblob] = ctc.Longblob
+
+	cts[CTEnum] = ctc.Enum
+	cts[CTJSON] = ctc.JSON
+
+	commonTypeConverters[dbType] = cts
+}
+
+// ConvToTargetDbColumn 转换至异构数据库对应的列信息
+func ConvToTargetDbColumn(srcDbType DbType, targetDbType DbType, targetDialect Dialect, column *Column) error {
+	// 同类型数据库，不转换
+	if srcDbType == targetDbType {
+		return nil
+	}
+
+	srcMap := commonTypeConverters[srcDbType]
+	if srcMap == nil {
+		return fmt.Errorf("src database type [%s] not suport transfer", srcDbType)
+	}
+
+	targetMap := commonTypeConverters[targetDbType]
+	if targetMap == nil {
+		return fmt.Errorf("target database type [%s] not suport transfer", targetDbType)
+	}
+
+	srcDataType := GetDbDataType(srcDbType, column.DataType)
+
+	// 获取目标数据库的数据类型，并进行可能存在的列信息修复，如长度、精度等
+	targetDbDataType := targetMap[srcDataType.CommonType](column)
+	if targetDbDataType == nil {
+		return fmt.Errorf("target database type [%s] not suport transfer, src data type [%d]", targetDbType, srcDataType.CommonType)
+	}
+
+	// 替换为目标数据库的数据类型
+	column.DataType = targetDbDataType.Name
+	return nil
+}
--- a/server/internal/db/dbm/dbi/utils.go
+++ b/server/internal/db/dbm/dbi/utils.go
@@ -0,0 +1,9 @@
+package dbi
+
+import (
+	"strings"
+)
+
+func QuoteEscape(str string) string {
+	return strings.Replace(str, `'`, `''`, -1)
+}
--- a/server/internal/db/dbm/dbm.go
+++ b/server/internal/db/dbm/dbm.go
@@ -21,7 +21,7 @@ import (
 var connCache = cache.NewTimedCache(consts.DbConnExpireTime, 5*time.Second).
 	WithUpdateAccessTime(true).
 	OnEvicted(func(key any, value any) {
-		logx.Info(fmt.Sprintf("删除db连接缓存 id = %s", key))
+		logx.Info(fmt.Sprintf("delete db conn cache, id = %s", key))
 		value.(*dbi.DbConn).Close()
 	})

--- a/server/internal/db/dbm/dm/column.go
+++ b/server/internal/db/dbm/dm/column.go
@@ -0,0 +1,106 @@
+package dm
+
+import (
+	"encoding/hex"
+	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/anyx"
+	"strings"
+
+	"gitee.com/chunanyong/dm"
+)
+
+var (
+	CHAR          = dbi.NewDbDataType("CHAR", dbi.DTString).WithCT(dbi.CTChar)
+	VARCHAR       = dbi.NewDbDataType("VARCHAR", dbi.DTString).WithCT(dbi.CTVarchar)
+	TEXT          = dbi.NewDbDataType("TEXT", dbi.DTString).WithCT(dbi.CTText)
+	LONG          = dbi.NewDbDataType("LONG", dbi.DTString).WithCT(dbi.CTText)
+	LONGVARCHAR   = dbi.NewDbDataType("LONGVARCHAR", dbi.DTString).WithCT(dbi.CTLongtext)
+	IMAGE         = dbi.NewDbDataType("IMAGE", dbi.DTString).WithCT(dbi.CTLongtext)
+	LONGVARBINARY = dbi.NewDbDataType("LONGVARBINARY", dbi.DTString).WithCT(dbi.CTLongtext)
+	CLOB          = dbi.NewDbDataType("CLOB", dbi.DTString).WithCT(dbi.CTLongtext)
+
+	BLOB = dbi.NewDbDataType("BLOB", dbi.DTBytes).WithCT(dbi.CTBlob)
+
+	NUMERIC  = dbi.NewDbDataType("NUMERIC", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	DECIMAL  = dbi.NewDbDataType("DECIMAL", dbi.DTDecimal).WithCT(dbi.CTDecimal)
+	NUMBER   = dbi.NewDbDataType("NUMBER", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	INTEGER  = dbi.NewDbDataType("INTEGER", dbi.DTInt32).WithCT(dbi.CTInt4)
+	INT      = dbi.NewDbDataType("INT", dbi.DTInt32).WithCT(dbi.CTInt4)
+	BIGINT   = dbi.NewDbDataType("BIGINT", dbi.DTInt64).WithCT(dbi.CTInt8)
+	TINYINT  = dbi.NewDbDataType("TINYINT", dbi.DTInt8).WithCT(dbi.CTInt1)
+	BYTE     = dbi.NewDbDataType("BYTE", dbi.DTInt8).WithCT(dbi.CTInt1)
+	SMALLINT = dbi.NewDbDataType("SMALLINT", dbi.DTInt16).WithCT(dbi.CTInt2)
+	BIT      = dbi.NewDbDataType("BIT", dbi.DTBit).WithCT(dbi.CTBit)
+	DOUBLE   = dbi.NewDbDataType("DOUBLE", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	FLOAT    = dbi.NewDbDataType("FLOAT", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+
+	TIME      = dbi.NewDbDataType("TIME", dbi.DTTime).WithCT(dbi.CTTime).WithFixColumn(dbi.ClearCharMaxLength)
+	DATE      = dbi.NewDbDataType("DATE", dbi.DTDate).WithCT(dbi.CTDate).WithFixColumn(dbi.ClearCharMaxLength)
+	TIMESTAMP = dbi.NewDbDataType("TIMESTAMP", dbi.DTDateTime).WithCT(dbi.CTTimestamp).WithFixColumn(dbi.ClearCharMaxLength)
+
+	ST_CURVE           = dbi.NewDbDataType("ST_CURVE", DTDmStruct).WithCT(dbi.CTVarchar)           // 表示一条曲线，可以是圆弧、抛物线等
+	ST_LINESTRING      = dbi.NewDbDataType("ST_LINESTRING", DTDmStruct).WithCT(dbi.CTVarchar)      // 表示一条或多条连续的线段
+	ST_GEOMCOLLECTION  = dbi.NewDbDataType("ST_GEOMCOLLECTION", DTDmStruct).WithCT(dbi.CTVarchar)  // 表示一个几何对象集合，可以包含多个不同类型的几何对象
+	ST_GEOMETRY        = dbi.NewDbDataType("ST_GEOMETRY", DTDmStruct).WithCT(dbi.CTVarchar)        // 通用几何对象类型，可以表示点、线、面等任何几何形状
+	ST_MULTICURVE      = dbi.NewDbDataType("ST_MULTICURVE", DTDmStruct).WithCT(dbi.CTVarchar)      // 表示多个曲线的集合
+	ST_MULTILINESTRING = dbi.NewDbDataType("ST_MULTILINESTRING", DTDmStruct).WithCT(dbi.CTVarchar) // 表示多个线串的集合
+	ST_MULTIPOINT      = dbi.NewDbDataType("ST_MULTIPOINT", DTDmStruct).WithCT(dbi.CTVarchar)      // 表示多个点的集合
+	ST_MULTIPOLYGON    = dbi.NewDbDataType("ST_MULTIPOLYGON", DTDmStruct).WithCT(dbi.CTVarchar)    // 表示多个曲线的集合
+	ST_MULTISURFACE    = dbi.NewDbDataType("ST_MULTISURFACE", DTDmStruct).WithCT(dbi.CTVarchar)    // 表示多个表面的集合
+	ST_POINT           = dbi.NewDbDataType("ST_POINT", DTDmStruct).WithCT(dbi.CTVarchar)           // 表示一个点
+	ST_POLYGON         = dbi.NewDbDataType("ST_POLYGON", DTDmStruct).WithCT(dbi.CTVarchar)         //表示一个多边形
+	ST_SURFACE         = dbi.NewDbDataType("ST_SURFACE", DTDmStruct).WithCT(dbi.CTVarchar)         // 表示一个表面
+)
+
+var DTDmStruct = &dbi.DataType{
+	Name: "dm_struct",
+	Valuer: func() dbi.Valuer {
+		return &dmStructValuer{
+			DefaultValuer: new(dbi.DefaultValuer[dm.DmStruct]),
+		}
+	},
+	SQLValue: dbi.SQLValueString,
+}
+
+type dmStructValuer struct {
+	*dbi.DefaultValuer[dm.DmStruct]
+}
+
+func (s *dmStructValuer) Value() any {
+	if !s.ValuePtr.Valid {
+		return ""
+	}
+	return ParseDmStruct(s.ValuePtr)
+}
+
+func ParseDmStruct(dmStruct *dm.DmStruct) string {
+	if !dmStruct.Valid {
+		return ""
+	}
+
+	name, _ := dmStruct.GetSQLTypeName()
+	attributes, _ := dmStruct.GetAttributes()
+	arr := make([]string, len(attributes))
+	arr = append(arr, name, "(")
+
+	for i, v := range attributes {
+		if blb, ok1 := v.(*dm.DmBlob); ok1 {
+			if blb.Valid {
+				length, _ := blb.GetLength()
+				var dest = make([]byte, length)
+				_, _ = blb.Read(dest)
+				// 2进制转16进制字符串
+				hexStr := hex.EncodeToString(dest)
+				arr = append(arr, "0x", strings.ToUpper(hexStr))
+			}
+		} else {
+			arr = append(arr, anyx.ToString(v))
+		}
+		if i < len(attributes)-1 {
+			arr = append(arr, ",")
+		}
+	}
+
+	arr = append(arr, ")")
+	return strings.Join(arr, "")
+}
--- a/server/internal/db/dbm/dm/dialect.go
+++ b/server/internal/db/dbm/dm/dialect.go
@@ -1,11 +1,8 @@
 package dm

 import (
-	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/logx"
-	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/stringx"
 	"strings"
 	"time"
@@ -19,109 +16,6 @@ type DMDialect struct {
 	dc *dbi.DbConn
 }

-func (dd *DMDialect) BatchInsert(tx *sql.Tx, tableName string, columns []string, values [][]any, duplicateStrategy int) (int64, error) {
-	// 执行批量insert sql
-	// insert into "table_name" ("column1", "column2", ...) values (value1, value2, ...)
-
-	// 无需处理重复数据，直接执行批量insert
-	if duplicateStrategy == dbi.DuplicateStrategyNone || duplicateStrategy == 0 {
-		return dd.batchInsertSimple(tx, tableName, columns, values)
-	} else { // 执行MERGE INTO语句
-		return dd.batchInsertMerge(tx, tableName, columns, values)
-	}
-}
-
-func (dd *DMDialect) batchInsertSimple(tx *sql.Tx, tableName string, columns []string, values [][]any) (int64, error) {
-	// 生成占位符字符串：如：(?,?)
-	// 重复字符串并用逗号连接
-	repeated := strings.Repeat("?,", len(columns))
-	// 去除最后一个逗号，占位符由括号包裹
-	placeholder := fmt.Sprintf("(%s)", strings.TrimSuffix(repeated, ","))
-
-	identityInsert := fmt.Sprintf("set identity_insert \"%s\" on;", tableName)
-
-	sqlTemp := fmt.Sprintf("%s insert into %s (%s) values %s", identityInsert, dd.QuoteIdentifier(tableName), strings.Join(columns, ","), placeholder)
-	effRows := 0
-	// 设置允许填充自增列之后，显示指定列名可以插入自增列
-	for _, value := range values {
-		// 达梦数据库只能一条条的执行insert
-		res, err := dd.dc.TxExec(tx, sqlTemp, value...)
-		if err != nil {
-			logx.Errorf("执行sql失败：%s, sql: [ %s ]", err.Error(), sqlTemp)
-			return 0, err
-		}
-		effRows += int(res)
-	}
-	// 执行批量insert sql
-	return int64(effRows), nil
-}
-
-func (dd *DMDialect) batchInsertMerge(tx *sql.Tx, tableName string, columns []string, values [][]any) (int64, error) {
-	// 查询主键字段
-	uniqueCols := make([]string, 0)
-	caseSqls := make([]string, 0)
-	metadata := dd.dc.GetMetadata()
-	tableCols, _ := metadata.GetColumns(tableName)
-	identityCols := make([]string, 0)
-	for _, col := range tableCols {
-		if col.IsPrimaryKey {
-			uniqueCols = append(uniqueCols, col.ColumnName)
-			caseSqls = append(caseSqls, fmt.Sprintf("( T1.%s = T2.%s )", dd.QuoteIdentifier(col.ColumnName), dd.QuoteIdentifier(col.ColumnName)))
-		}
-		if col.IsIdentity {
-			// 自增字段不放入insert内，即使是设置了identity_insert on也不起作用
-			identityCols = append(identityCols, dd.QuoteIdentifier(col.ColumnName))
-		}
-	}
-	// 查询唯一索引涉及到的字段，并组装到match条件内
-	indexs, _ := metadata.GetTableIndex(tableName)
-	for _, index := range indexs {
-		if index.IsUnique {
-			cols := strings.Split(index.ColumnName, ",")
-			tmp := make([]string, 0)
-			for _, col := range cols {
-				uniqueCols = append(uniqueCols, col)
-				tmp = append(tmp, fmt.Sprintf(" T1.%s = T2.%s ", dd.QuoteIdentifier(col), dd.QuoteIdentifier(col)))
-			}
-			caseSqls = append(caseSqls, fmt.Sprintf("( %s )", strings.Join(tmp, " AND ")))
-		}
-	}
-
-	// 重复数据处理策略
-	phs := make([]string, 0)
-	insertVals := make([]string, 0)
-	upds := make([]string, 0)
-	insertCols := make([]string, 0)
-	for _, column := range columns {
-		phs = append(phs, fmt.Sprintf("? %s", column))
-		if !collx.ArrayContains(uniqueCols, dd.RemoveQuote(column)) {
-			upds = append(upds, fmt.Sprintf("T1.%s = T2.%s", column, column))
-		}
-		if !collx.ArrayContains(identityCols, column) {
-			insertCols = append(insertCols, column)
-			insertVals = append(insertVals, fmt.Sprintf("T2.%s", column))
-		}
-
-	}
-	t2s := make([]string, 0)
-	for i := 0; i < len(values); i++ {
-		t2s = append(t2s, fmt.Sprintf("SELECT %s FROM dual", strings.Join(phs, ",")))
-	}
-	t2 := strings.Join(t2s, " UNION ALL ")
-
-	sqlTemp := "MERGE INTO " + dd.QuoteIdentifier(tableName) + " T1 USING (" + t2 + ") T2 ON " + strings.Join(caseSqls, " OR ")
-	sqlTemp += "WHEN NOT MATCHED THEN INSERT (" + strings.Join(insertCols, ",") + ") VALUES (" + strings.Join(insertVals, ",") + ")"
-	sqlTemp += "WHEN MATCHED THEN UPDATE SET " + strings.Join(upds, ",")
-
-	// 把二维数组转为一维数组
-	var args []any
-	for _, v := range values {
-		args = append(args, v...)
-	}
-
-	return dd.dc.TxExec(tx, sqlTemp, args...)
-}
-
 func (dd *DMDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	tableName := copy.TableName
 	metadata := dd.dc.GetMetadata()
@@ -162,119 +56,13 @@ func (dd *DMDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	return err
 }

-func (dd *DMDialect) GenerateTableDDL(columns []dbi.Column, tableInfo dbi.Table, dropBeforeCreate bool) []string {
-	tbName := dd.QuoteIdentifier(tableInfo.TableName)
-	sqlArr := make([]string, 0)
-
-	if dropBeforeCreate {
-		sqlArr = append(sqlArr, fmt.Sprintf("drop table if exists %s", tbName))
-	}
-	// 组装建表语句
-	createSql := fmt.Sprintf("create table %s (", tbName)
-	fields := make([]string, 0)
-	pks := make([]string, 0)
-	columnComments := make([]string, 0)
-
-	for _, column := range columns {
-		if column.IsPrimaryKey {
-			pks = append(pks, dd.QuoteIdentifier(column.ColumnName))
-		}
-		fields = append(fields, dd.genColumnBasicSql(column))
-		if column.ColumnComment != "" {
-			comment := dd.QuoteEscape(column.ColumnComment)
-			columnComments = append(columnComments, fmt.Sprintf("comment on column %s.%s is '%s'", tbName, dd.QuoteIdentifier(column.ColumnName), comment))
-		}
-	}
-	createSql += strings.Join(fields, ",\n")
-	if len(pks) > 0 {
-		createSql += fmt.Sprintf(",\n PRIMARY KEY (%s)", strings.Join(pks, ","))
-	}
-	createSql += "\n)"
-
-	tableCommentSql := ""
-	if tableInfo.TableComment != "" {
-		comment := dd.QuoteEscape(tableInfo.TableComment)
-		tableCommentSql = fmt.Sprintf("comment on table %s is '%s'", tbName, comment)
-	}
-
-	sqlArr = append(sqlArr, createSql)
-	if tableCommentSql != "" {
-		sqlArr = append(sqlArr, tableCommentSql)
-	}
-
-	if len(columnComments) > 0 {
-		sqlArr = append(sqlArr, columnComments...)
-	}
-
-	return sqlArr
-}
-
-func (dd *DMDialect) GenerateIndexDDL(indexs []dbi.Index, tableInfo dbi.Table) []string {
-	sqls := make([]string, 0)
-	for _, index := range indexs {
-		unique := ""
-		if index.IsUnique {
-			unique = "unique"
-		}
-
-		// 取出列名，添加引号
-		cols := strings.Split(index.ColumnName, ",")
-		colNames := make([]string, len(cols))
-		for i, name := range cols {
-			colNames[i] = dd.QuoteIdentifier(name)
-		}
-
-		sqls = append(sqls, fmt.Sprintf("create %s index %s on %s(%s)", unique, dd.QuoteIdentifier(index.IndexName), dd.QuoteIdentifier(tableInfo.TableName), strings.Join(colNames, ",")))
-	}
-	return sqls
-}
-
-func (dd *DMDialect) GetDataHelper() dbi.DataHelper {
-	return dataHelper
-}
-
-func (dd *DMDialect) GetColumnHelper() dbi.ColumnHelper {
-	return columnHelper
-}
-
 func (dd *DMDialect) GetDumpHelper() dbi.DumpHelper {
 	return new(DumpHelper)
 }

-func (dd *DMDialect) genColumnBasicSql(column dbi.Column) string {
-	colName := dd.QuoteIdentifier(column.ColumnName)
-	dataType := string(column.DataType)
-
-	incr := ""
-	if column.IsIdentity {
-		incr = " IDENTITY"
+func (sd *DMDialect) GetSQLGenerator() dbi.SQLGenerator {
+	return &SQLGenerator{
+		Dialect:  sd,
+		Metadata: sd.dc.GetMetadata(),
 	}
-
-	nullAble := ""
-	if !column.Nullable {
-		nullAble = " NOT NULL"
-	}
-
-	defVal := "" // 默认值需要判断引号，如函数是不需要引号的 // 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
-	if column.ColumnDefault != "" && !strings.Contains(column.ColumnDefault, "(") {
-		// 哪些字段类型默认值需要加引号
-		mark := false
-		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, strings.ToLower(dataType)) {
-			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
-			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) &&
-				collx.ArrayAnyMatches([]string{"DATE", "TIME"}, strings.ToUpper(column.ColumnDefault)) {
-				mark = false
-			} else {
-				mark = true
-			}
-		}
-		if mark {
-			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
-		} else {
-			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
-		}
-	}
-
-	columnSql := fmt.Sprintf(" %s %s%s%s%s", colName, column.GetColumnType(), incr, nullAble, defVal)
-	return columnSql
 }
--- a/server/internal/db/dbm/dm/helper.go
+++ b/server/internal/db/dbm/dm/helper.go
@@ -1,289 +1,11 @@
 package dm

 import (
-	"encoding/hex"
 	"fmt"
 	"io"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/utils/anyx"
-	"mayfly-go/pkg/utils/collx"
-	"regexp"
-	"strings"
-	"time"
-
-	"gitee.com/chunanyong/dm"
 )

-var (
-	// 数字类型
-	numberRegexp = regexp.MustCompile(`(?i)int|double|float|number|decimal|byte|bit`)
-	// 日期时间类型
-	datetimeRegexp = regexp.MustCompile(`(?i)datetime|timestamp`)
-	// 日期类型
-	dateRegexp = regexp.MustCompile(`(?i)date`)
-	// 时间类型
-	timeRegexp = regexp.MustCompile(`(?i)time`)
-
-	// 达梦数据类型 对应 公共数据类型
-	commonColumnTypeMap = map[string]dbi.ColumnDataType{
-
-		"CHAR":          dbi.CommonTypeChar, // 字符数据类型
-		"VARCHAR":       dbi.CommonTypeVarchar,
-		"TEXT":          dbi.CommonTypeText,
-		"LONG":          dbi.CommonTypeText,
-		"LONGVARCHAR":   dbi.CommonTypeLongtext,
-		"IMAGE":         dbi.CommonTypeLongtext,
-		"LONGVARBINARY": dbi.CommonTypeLongtext,
-		"BLOB":          dbi.CommonTypeBlob,
-		"CLOB":          dbi.CommonTypeText,
-		"NUMERIC":       dbi.CommonTypeNumber, // 精确数值数据类型
-		"DECIMAL":       dbi.CommonTypeNumber,
-		"NUMBER":        dbi.CommonTypeNumber,
-		"INTEGER":       dbi.CommonTypeInt,
-		"INT":           dbi.CommonTypeInt,
-		"BIGINT":        dbi.CommonTypeBigint,
-		"TINYINT":       dbi.CommonTypeTinyint,
-		"BYTE":          dbi.CommonTypeTinyint,
-		"SMALLINT":      dbi.CommonTypeSmallint,
-		"BIT":           dbi.CommonTypeTinyint,
-		"DOUBLE":        dbi.CommonTypeNumber, // 近似数值类型
-		"FLOAT":         dbi.CommonTypeNumber,
-		"DATE":          dbi.CommonTypeDate, // 一般日期时间数据类型
-		"TIME":          dbi.CommonTypeTime,
-		"TIMESTAMP":     dbi.CommonTypeTimestamp,
-	}
-
-	// 公共数据类型 对应 达梦数据类型
-	dmColumnTypeMap = map[dbi.ColumnDataType]string{
-		dbi.CommonTypeVarchar:    "VARCHAR",
-		dbi.CommonTypeChar:       "CHAR",
-		dbi.CommonTypeText:       "TEXT",
-		dbi.CommonTypeBlob:       "BLOB",
-		dbi.CommonTypeLongblob:   "TEXT",
-		dbi.CommonTypeLongtext:   "TEXT",
-		dbi.CommonTypeBinary:     "TEXT",
-		dbi.CommonTypeMediumblob: "TEXT",
-		dbi.CommonTypeMediumtext: "TEXT",
-		dbi.CommonTypeVarbinary:  "TEXT",
-		dbi.CommonTypeInt:        "INT",
-		dbi.CommonTypeSmallint:   "SMALLINT",
-		dbi.CommonTypeTinyint:    "TINYINT",
-		dbi.CommonTypeNumber:     "NUMBER",
-		dbi.CommonTypeBigint:     "BIGINT",
-		dbi.CommonTypeDatetime:   "TIMESTAMP",
-		dbi.CommonTypeDate:       "DATE",
-		dbi.CommonTypeTime:       "DATE",
-		dbi.CommonTypeTimestamp:  "TIMESTAMP",
-		dbi.CommonTypeEnum:       "TEXT",
-		dbi.CommonTypeJSON:       "TEXT",
-	}
-
-	dmStructTypes = map[string]bool{
-		"ST_CURVE":           true, // 表示一条曲线，可以是圆弧、抛物线等
-		"ST_LINESTRING":      true, // 表示一条或多条连续的线段
-		"ST_GEOMCOLLECTION":  true, // 表示一个几何对象集合，可以包含多个不同类型的几何对象
-		"ST_GEOMETRY":        true, // 通用几何对象类型，可以表示点、线、面等任何几何形状
-		"ST_MULTICURVE":      true, // 表示多个曲线的集合
-		"ST_MULTILINESTRING": true, // 表示多个线串的集合
-		"ST_MULTIPOINT":      true, // 表示多个点的集合
-		"ST_MULTIPOLYGON":    true, // 表示多个多边形的集合
-		"ST_MULTISURFACE":    true, // 表示多个表面的集合
-		"ST_POINT":           true, // 表示一个点
-		"ST_POLYGON":         true, // 表示一个多边形
-		"ST_SURFACE":         true, // 表示一个表面，通常是一个多边形
-	}
-
-	dataHelper   = &DataHelper{}
-	columnHelper = &ColumnHelper{}
-)
-
-func GetDataHelper() *DataHelper {
-	return dataHelper
-}
-
-type DataHelper struct {
-}
-
-func (dc *DataHelper) GetDataType(dbColumnType string) dbi.DataType {
-	if numberRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeNumber
-	}
-	if datetimeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDateTime
-	}
-	if dateRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDate
-	}
-	if timeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeTime
-	}
-	return dbi.DataTypeString
-}
-
-func (dc *DataHelper) FormatData(dbColumnValue any, dataType dbi.DataType) string {
-	str := anyx.ToString(dbColumnValue)
-	switch dataType {
-	case dbi.DataTypeDateTime: // "2024-01-02T22:08:22.275697+08:00"
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.DateTime, str)
-		if err == nil {
-			return str
-		}
-		res, _ = time.Parse(time.RFC3339, str)
-		return res.Format(time.DateTime)
-	case dbi.DataTypeDate: // "2024-01-02T00:00:00+08:00"
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.DateOnly, str)
-		if err == nil {
-			return str
-		}
-		res, _ = time.Parse(time.RFC3339, str)
-		return res.Format(time.DateOnly)
-	case dbi.DataTypeTime: // "0000-01-01T22:08:22.275688+08:00"
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.TimeOnly, str)
-		if err == nil {
-			return str
-		}
-		res, _ = time.Parse(time.RFC3339, str)
-		return res.Format(time.TimeOnly)
-	}
-	return str
-}
-
-func (dc *DataHelper) ParseData(dbColumnValue any, dataType dbi.DataType) any {
-	// 如果dataType是datetime而dbColumnValue是string类型，则需要转换为time.Time类型
-	_, ok := dbColumnValue.(string)
-	if ok {
-		if dataType == dbi.DataTypeDateTime {
-			res, _ := time.Parse(time.RFC3339, anyx.ToString(dbColumnValue))
-			return res
-		}
-		if dataType == dbi.DataTypeDate {
-			res, _ := time.Parse(time.DateOnly, anyx.ToString(dbColumnValue))
-			return res
-		}
-		if dataType == dbi.DataTypeTime {
-			res, _ := time.Parse(time.TimeOnly, anyx.ToString(dbColumnValue))
-			return res
-		}
-	}
-	return dbColumnValue
-}
-
-func (dc *DataHelper) WrapValue(dbColumnValue any, dataType dbi.DataType) string {
-	if dbColumnValue == nil {
-		return "NULL"
-	}
-	switch dataType {
-	case dbi.DataTypeNumber:
-		return fmt.Sprintf("%v", dbColumnValue)
-	case dbi.DataTypeString:
-		val := fmt.Sprintf("%v", dbColumnValue)
-		// 转义单引号
-		val = strings.Replace(val, `'`, `''`, -1)
-		val = strings.Replace(val, `\''`, `\'`, -1)
-		// 转义换行符
-		val = strings.Replace(val, "\n", "\\n", -1)
-		return fmt.Sprintf("'%s'", val)
-	case dbi.DataTypeDate, dbi.DataTypeDateTime, dbi.DataTypeTime:
-		return fmt.Sprintf("'%s'", dc.FormatData(dbColumnValue, dataType))
-	}
-	return fmt.Sprintf("'%s'", dbColumnValue)
-}
-
-type ColumnHelper struct {
-	dbi.DefaultColumnHelper
-}
-
-func (ch *ColumnHelper) ToCommonColumn(dialectColumn *dbi.Column) {
-	// 翻译为通用数据库类型
-	dataType := dialectColumn.DataType
-	t1 := commonColumnTypeMap[string(dataType)]
-	if t1 == "" {
-		dialectColumn.DataType = dbi.CommonTypeVarchar
-		dialectColumn.CharMaxLength = 2000
-	} else {
-		dialectColumn.DataType = t1
-	}
-}
-
-func (ch *ColumnHelper) ToColumn(commonColumn *dbi.Column) {
-	ctype := dmColumnTypeMap[commonColumn.DataType]
-
-	if ctype == "" {
-		commonColumn.DataType = "VARCHAR"
-		commonColumn.CharMaxLength = 2000
-	} else {
-		commonColumn.DataType = dbi.ColumnDataType(ctype)
-		ch.FixColumn(commonColumn)
-	}
-}
-
-func (ch *ColumnHelper) FixColumn(column *dbi.Column) {
-	// 如果是date，不设长度
-	if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(string(column.DataType))) {
-		column.CharMaxLength = 0
-		column.NumPrecision = 0
-	} else
-	// 如果是char且长度未设置，则默认长度2000
-	if collx.ArrayAnyMatches([]string{"char"}, strings.ToLower(string(column.DataType))) && column.CharMaxLength == 0 {
-		column.CharMaxLength = 2000
-	}
-}
-
-func (dd *ColumnHelper) GetScanDestPtr(qc *dbi.QueryColumn) any {
-	if dmStructTypes[strings.ToUpper(qc.Type)] {
-		return &dm.DmStruct{}
-	}
-	return dd.DefaultColumnHelper.GetScanDestPtr(qc)
-}
-
-func (dd *ColumnHelper) ConvertScanDestValue(data any, qc *dbi.QueryColumn) any {
-	if data == nil {
-		return nil
-	}
-
-	// 达梦特殊数据类型
-	if dmStruct, ok := data.(*dm.DmStruct); ok {
-		return ParseDmStruct(dmStruct)
-	}
-
-	return dd.DefaultColumnHelper.ConvertScanDestValue(data, qc)
-}
-
-func ParseDmStruct(dmStruct *dm.DmStruct) string {
-	if !dmStruct.Valid {
-		return ""
-	}
-
-	name, _ := dmStruct.GetSQLTypeName()
-	attributes, _ := dmStruct.GetAttributes()
-	arr := make([]string, len(attributes))
-	arr = append(arr, name, "(")
-
-	for i, v := range attributes {
-		if blb, ok1 := v.(*dm.DmBlob); ok1 {
-			if blb.Valid {
-				length, _ := blb.GetLength()
-				var dest = make([]byte, length)
-				_, _ = blb.Read(dest)
-				// 2进制转16进制字符串
-				hexStr := hex.EncodeToString(dest)
-				arr = append(arr, "0x", strings.ToUpper(hexStr))
-			}
-		} else {
-			arr = append(arr, anyx.ToString(v))
-		}
-		if i < len(attributes)-1 {
-			arr = append(arr, ",")
-		}
-	}
-
-	arr = append(arr, ")")
-	return strings.Join(arr, "")
-}
-
 type DumpHelper struct {
 }

--- a/server/internal/db/dbm/dm/meta.go
+++ b/server/internal/db/dbm/dm/meta.go
@@ -4,14 +4,19 @@ import (
 	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
 	"net/url"
 	"strings"
 )

 func init() {
-	dbi.Register(dbi.DbTypeDM, new(Meta))
+	dbi.Register(DbTypeDM, new(Meta))
 }

+const (
+	DbTypeDM dbi.DbType = "dm"
+)
+
 type Meta struct {
 }

@@ -49,3 +54,17 @@ func (dm *Meta) GetMetadata(conn *dbi.DbConn) dbi.Metadata {
 		dc: conn,
 	}
 }
+
+func (sm *Meta) GetDbDataTypes() []*dbi.DbDataType {
+	return collx.AsArray[*dbi.DbDataType](CHAR, VARCHAR, TEXT, LONG, LONGVARCHAR, IMAGE, LONGVARBINARY, CLOB,
+		BLOB,
+		NUMERIC, DECIMAL, NUMBER, INTEGER, INT, BIGINT, TINYINT, BYTE, SMALLINT, BIT, DOUBLE, FLOAT,
+		TIME, DATE, TIMESTAMP,
+		ST_CURVE, ST_LINESTRING, ST_GEOMCOLLECTION, ST_GEOMETRY, ST_MULTICURVE, ST_MULTILINESTRING,
+		ST_MULTIPOINT, ST_MULTIPOLYGON, ST_MULTISURFACE, ST_POINT, ST_POLYGON, ST_SURFACE,
+	)
+}
+
+func (mm *Meta) GetCommonTypeConverter() dbi.CommonTypeConverter {
+	return &commonTypeConverter{}
+}
--- a/server/internal/db/dbm/dm/metadata.go
+++ b/server/internal/db/dbm/dm/metadata.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/pkg/errorx"
-	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/utils/anyx"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/stringx"
@@ -55,7 +54,7 @@ func (dd *DMMetadata) GetDbNames() ([]string, error) {
 func (dd *DMMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 	dialect := dd.dc.GetDialect()
 	names := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	var res []map[string]any
@@ -89,7 +88,7 @@ func (dd *DMMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 func (dd *DMMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 	dialect := dd.dc.GetDialect()
 	tableName := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	_, res, err := dd.dc.Query(fmt.Sprintf(dbi.GetLocalSql(DM_META_FILE, DM_COLUMN_MA_KEY), tableName))
@@ -97,13 +96,12 @@ func (dd *DMMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 		return nil, err
 	}

-	columnHelper := dd.dc.GetDialect().GetColumnHelper()
 	columns := make([]dbi.Column, 0)
 	for _, re := range res {
 		column := dbi.Column{
 			TableName:     cast.ToString(re["TABLE_NAME"]),
 			ColumnName:    cast.ToString(re["COLUMN_NAME"]),
-			DataType:      dbi.ColumnDataType(anyx.ToString(re["DATA_TYPE"])),
+			DataType:      anyx.ToString(re["DATA_TYPE"]),
 			CharMaxLength: cast.ToInt(re["CHAR_MAX_LENGTH"]),
 			ColumnComment: cast.ToString(re["COLUMN_COMMENT"]),
 			Nullable:      cast.ToString(re["NULLABLE"]) == "YES",
@@ -113,7 +111,7 @@ func (dd *DMMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 			NumPrecision:  cast.ToInt(re["NUM_PRECISION"]),
 			NumScale:      cast.ToInt(re["NUM_SCALE"]),
 		}
-		columnHelper.FixColumn(&column)
+		dd.dc.GetDbDataType(column.DataType).FixColumn(&column)
 		columns = append(columns, column)
 	}
 	return columns, nil
@@ -176,34 +174,7 @@ func (dd *DMMetadata) GetTableIndex(tableName string) ([]dbi.Index, error) {

 // 获取建表ddl
 func (dd *DMMetadata) GetTableDDL(tableName string, dropBeforeCreate bool) (string, error) {
-
-	// 1.获取表信息
-	tbs, err := dd.GetTables(tableName)
-	tableInfo := &dbi.Table{}
-	if err != nil || tbs == nil || len(tbs) <= 0 {
-		logx.Errorf("获取表信息失败, %s", tableName)
-		return "", err
-	}
-	tableInfo.TableName = tbs[0].TableName
-	tableInfo.TableComment = tbs[0].TableComment
-
-	// 2.获取列信息
-	columns, err := dd.GetColumns(tableName)
-	if err != nil {
-		logx.Errorf("获取列信息失败, %s", tableName)
-		return "", err
-	}
-	dialect := dd.dc.GetDialect()
-	tableDDLArr := dialect.GenerateTableDDL(columns, *tableInfo, dropBeforeCreate)
-	// 3.获取索引信息
-	indexs, err := dd.GetTableIndex(tableName)
-	if err != nil {
-		logx.Errorf("获取索引信息失败, %s", tableName)
-		return "", err
-	}
-	// 组装返回
-	tableDDLArr = append(tableDDLArr, dialect.GenerateIndexDDL(indexs, *tableInfo)...)
-	return strings.Join(tableDDLArr, ";\n"), nil
+	return dbi.GenTableDDL(dd.dc.GetDialect(), dd, tableName, dropBeforeCreate)
 }

 // 获取DM当前连接的库可访问的schemaNames
--- a/server/internal/db/dbm/dm/sqlgen.go
+++ b/server/internal/db/dbm/dm/sqlgen.go
@@ -0,0 +1,195 @@
+package dm
+
+import (
+	"fmt"
+	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
+	"strings"
+)
+
+type SQLGenerator struct {
+	Dialect  dbi.Dialect
+	Metadata dbi.Metadata
+}
+
+func (sg *SQLGenerator) GenTableDDL(table dbi.Table, columns []dbi.Column, dropBeforeCreate bool) []string {
+	quoter := sg.Dialect.Quoter()
+	quote := quoter.Quote
+	tbName := quote(table.TableName)
+	sqlArr := make([]string, 0)
+
+	if dropBeforeCreate {
+		sqlArr = append(sqlArr, fmt.Sprintf("drop table if exists %s", tbName))
+	}
+	// 组装建表语句
+	createSql := fmt.Sprintf("create table %s (", tbName)
+	fields := make([]string, 0)
+	pks := make([]string, 0)
+	columnComments := make([]string, 0)
+
+	for _, column := range columns {
+		if column.IsPrimaryKey {
+			pks = append(pks, quote(column.ColumnName))
+		}
+		fields = append(fields, sg.genColumnBasicSql(quoter, column))
+		if column.ColumnComment != "" {
+			comment := dbi.QuoteEscape(column.ColumnComment)
+			columnComments = append(columnComments, fmt.Sprintf("comment on column %s.%s is '%s'", tbName, quote(column.ColumnName), comment))
+		}
+	}
+	createSql += strings.Join(fields, ",\n")
+	if len(pks) > 0 {
+		createSql += fmt.Sprintf(",\n PRIMARY KEY (%s)", strings.Join(pks, ","))
+	}
+	createSql += "\n)"
+
+	tableCommentSql := ""
+	if table.TableComment != "" {
+		comment := dbi.QuoteEscape(table.TableComment)
+		tableCommentSql = fmt.Sprintf("comment on table %s is '%s'", tbName, comment)
+	}
+
+	sqlArr = append(sqlArr, createSql)
+	if tableCommentSql != "" {
+		sqlArr = append(sqlArr, tableCommentSql)
+	}
+
+	if len(columnComments) > 0 {
+		sqlArr = append(sqlArr, columnComments...)
+	}
+
+	return sqlArr
+}
+
+func (sg *SQLGenerator) GenIndexDDL(table dbi.Table, indexs []dbi.Index) []string {
+	quote := sg.Dialect.Quoter().Quote
+	sqls := make([]string, 0)
+	for _, index := range indexs {
+		unique := ""
+		if index.IsUnique {
+			unique = "unique"
+		}
+
+		// 取出列名，添加引号
+		cols := strings.Split(index.ColumnName, ",")
+		colNames := make([]string, len(cols))
+		for i, name := range cols {
+			colNames[i] = quote(name)
+		}
+
+		sqls = append(sqls, fmt.Sprintf("create %s index %s on %s(%s)", unique, quote(index.IndexName), quote(table.TableName), strings.Join(colNames, ",")))
+	}
+	return sqls
+}
+
+func (sg *SQLGenerator) GenInsert(tableName string, columns []dbi.Column, values [][]any, duplicateStrategy int) []string {
+	quoter := sg.Dialect.Quoter()
+	quote := quoter.Quote
+
+	if duplicateStrategy == dbi.DuplicateStrategyNone {
+		identityInsert := fmt.Sprintf("set identity_insert %s on;", quote(tableName))
+
+		// 达梦数据库只能一条条的执行insert语句，所以这里需要将values拆分成多条insert语句
+		return collx.ArrayMap(values, func(value []any) string {
+			columnStr, valuesStrs := dbi.GenInsertSqlColumnAndValues(sg.Dialect, DbTypeDM, columns, [][]any{value})
+			return fmt.Sprintf("%s insert into %s (%s) values %s", identityInsert, quote(tableName), columnStr, strings.Join(valuesStrs, ",\n"))
+		})
+	}
+
+	// 查询主键字段
+	uniqueCols := make([]string, 0)
+	caseSqls := make([]string, 0)
+	metadata := sg.Metadata
+	tableCols, _ := metadata.GetColumns(tableName)
+	identityCols := make([]string, 0)
+	for _, col := range tableCols {
+		if col.IsPrimaryKey {
+			uniqueCols = append(uniqueCols, col.ColumnName)
+			caseSqls = append(caseSqls, fmt.Sprintf("( T1.%s = T2.%s )", quote(col.ColumnName), quote(col.ColumnName)))
+		}
+		if col.IsIdentity {
+			// 自增字段不放入insert内，即使是设置了identity_insert on也不起作用
+			identityCols = append(identityCols, quote(col.ColumnName))
+		}
+	}
+	// 查询唯一索引涉及到的字段，并组装到match条件内
+	indexs, _ := metadata.GetTableIndex(tableName)
+	for _, index := range indexs {
+		if index.IsUnique {
+			cols := strings.Split(index.ColumnName, ",")
+			tmp := make([]string, 0)
+			for _, col := range cols {
+				uniqueCols = append(uniqueCols, col)
+				tmp = append(tmp, fmt.Sprintf(" T1.%s = T2.%s ", quote(col), quote(col)))
+			}
+			caseSqls = append(caseSqls, fmt.Sprintf("( %s )", strings.Join(tmp, " AND ")))
+		}
+	}
+
+	// 重复数据处理策略
+	phs := make([]string, 0)
+	insertVals := make([]string, 0)
+	upds := make([]string, 0)
+	insertCols := make([]string, 0)
+	for _, column := range columns {
+		columnName := column.ColumnName
+		phs = append(phs, fmt.Sprintf("? %s", columnName))
+		if !collx.ArrayContains(uniqueCols, quoter.Trim(columnName)) {
+			upds = append(upds, fmt.Sprintf("T1.%s = T2.%s", columnName, columnName))
+		}
+		if !collx.ArrayContains(identityCols, columnName) {
+			insertCols = append(insertCols, columnName)
+			insertVals = append(insertVals, fmt.Sprintf("T2.%s", columnName))
+		}
+
+	}
+	t2s := make([]string, 0)
+	for i := 0; i < len(values); i++ {
+		t2s = append(t2s, fmt.Sprintf("SELECT %s FROM dual", strings.Join(phs, ",")))
+	}
+	t2 := strings.Join(t2s, " UNION ALL ")
+
+	sqlTemp := "MERGE INTO " + quote(tableName) + " T1 USING (" + t2 + ") T2 ON " + strings.Join(caseSqls, " OR ")
+	sqlTemp += "WHEN NOT MATCHED THEN INSERT (" + strings.Join(insertCols, ",") + ") VALUES (" + strings.Join(insertVals, ",") + ")"
+	sqlTemp += "WHEN MATCHED THEN UPDATE SET " + strings.Join(upds, ",")
+
+	return collx.AsArray(sqlTemp)
+}
+
+func (msg *SQLGenerator) genColumnBasicSql(quoter dbi.Quoter, column dbi.Column) string {
+	colName := quoter.Quote(column.ColumnName)
+	dataType := string(column.DataType)
+
+	incr := ""
+	if column.IsIdentity {
+		incr = " IDENTITY"
+	}
+
+	nullAble := ""
+	if !column.Nullable {
+		nullAble = " NOT NULL"
+	}
+
+	defVal := "" // 默认值需要判断引号，如函数是不需要引号的 // 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
+	if column.ColumnDefault != "" && !strings.Contains(column.ColumnDefault, "(") {
+		// 哪些字段类型默认值需要加引号
+		mark := false
+		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, strings.ToLower(dataType)) {
+			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
+			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) &&
+				collx.ArrayAnyMatches([]string{"DATE", "TIME"}, strings.ToUpper(column.ColumnDefault)) {
+				mark = false
+			} else {
+				mark = true
+			}
+		}
+		if mark {
+			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
+		} else {
+			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
+		}
+	}
+
+	columnSql := fmt.Sprintf(" %s %s%s%s%s", colName, column.GetColumnType(), incr, nullAble, defVal)
+	return columnSql
+}
--- a/server/internal/db/dbm/dm/transfer.go
+++ b/server/internal/db/dbm/dm/transfer.go
@@ -0,0 +1,97 @@
+package dm
+
+import "mayfly-go/internal/db/dbm/dbi"
+
+var _ dbi.CommonTypeConverter = (*commonTypeConverter)(nil)
+
+type commonTypeConverter struct {
+}
+
+func (c *commonTypeConverter) Varchar(col *dbi.Column) *dbi.DbDataType {
+	return VARCHAR
+}
+
+func (c *commonTypeConverter) Char(col *dbi.Column) *dbi.DbDataType {
+	return CHAR
+}
+func (c *commonTypeConverter) Text(col *dbi.Column) *dbi.DbDataType {
+	return TEXT
+}
+func (c *commonTypeConverter) Mediumtext(col *dbi.Column) *dbi.DbDataType {
+	return TEXT
+}
+func (c *commonTypeConverter) Longtext(col *dbi.Column) *dbi.DbDataType {
+	return LONGVARCHAR
+}
+
+func (c *commonTypeConverter) Bit(col *dbi.Column) *dbi.DbDataType {
+	return BIT
+}
+func (c *commonTypeConverter) Int1(col *dbi.Column) *dbi.DbDataType {
+	return TINYINT
+}
+func (c *commonTypeConverter) Int2(col *dbi.Column) *dbi.DbDataType {
+	return SMALLINT
+}
+func (c *commonTypeConverter) Int4(col *dbi.Column) *dbi.DbDataType {
+	return INTEGER
+}
+func (c *commonTypeConverter) Int8(col *dbi.Column) *dbi.DbDataType {
+	return BIGINT
+}
+func (c *commonTypeConverter) Numeric(col *dbi.Column) *dbi.DbDataType {
+	return NUMBER
+}
+
+func (c *commonTypeConverter) Decimal(col *dbi.Column) *dbi.DbDataType {
+	return DECIMAL
+}
+
+func (c *commonTypeConverter) UnsignedInt8(col *dbi.Column) *dbi.DbDataType {
+	return BIGINT
+}
+func (c *commonTypeConverter) UnsignedInt4(col *dbi.Column) *dbi.DbDataType {
+	return INT
+}
+func (c *commonTypeConverter) UnsignedInt2(col *dbi.Column) *dbi.DbDataType {
+	return INT
+}
+func (c *commonTypeConverter) UnsignedInt1(col *dbi.Column) *dbi.DbDataType {
+	return INT
+}
+
+func (c *commonTypeConverter) Date(col *dbi.Column) *dbi.DbDataType {
+	return DATE
+}
+func (c *commonTypeConverter) Time(col *dbi.Column) *dbi.DbDataType {
+	return TIME
+}
+func (c *commonTypeConverter) Datetime(col *dbi.Column) *dbi.DbDataType {
+	return TIMESTAMP
+}
+func (c *commonTypeConverter) Timestamp(col *dbi.Column) *dbi.DbDataType {
+	return TIMESTAMP
+}
+
+func (c *commonTypeConverter) Binary(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+func (c *commonTypeConverter) Varbinary(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+func (c *commonTypeConverter) Mediumblob(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+func (c *commonTypeConverter) Blob(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+func (c *commonTypeConverter) Longblob(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+
+func (c *commonTypeConverter) Enum(col *dbi.Column) *dbi.DbDataType {
+	return VARCHAR
+}
+func (c *commonTypeConverter) JSON(col *dbi.Column) *dbi.DbDataType {
+	return VARCHAR
+}
--- a/server/internal/db/dbm/mssql/column.go
+++ b/server/internal/db/dbm/mssql/column.go
@@ -0,0 +1,50 @@
+package mssql
+
+import (
+	"fmt"
+	"mayfly-go/internal/db/dbm/dbi"
+)
+
+var (
+	DTOracleDate = dbi.DTDateTime.Copy().WithSQLValue(func(val any) string {
+		// oracle date型需要用函数包裹：to_date('%s', 'yyyy-mm-dd hh24:mi:ss')
+		return fmt.Sprintf("to_date('%s', 'yyyy-mm-dd hh24:mi:ss')", val)
+	})
+)
+
+var (
+	Bigint           = dbi.NewDbDataType("bigint", dbi.DTInt64).WithCT(dbi.CTInt8)
+	Numeric          = dbi.NewDbDataType("numeric", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	Bit              = dbi.NewDbDataType("bit", dbi.DTBit).WithCT(dbi.CTBit)
+	Smallint         = dbi.NewDbDataType("smallint", dbi.DTInt16).WithCT(dbi.CTInt2)
+	Decimal          = dbi.NewDbDataType("decimal", dbi.DTDecimal).WithCT(dbi.CTDecimal)
+	Smallmoney       = dbi.NewDbDataType("smallmoney", dbi.DTDecimal).WithCT(dbi.CTDecimal)
+	Int              = dbi.NewDbDataType("int", dbi.DTInt32).WithCT(dbi.CTInt4)
+	Tinyint          = dbi.NewDbDataType("tinyint", dbi.DTInt8).WithCT(dbi.CTInt1)
+	Money            = dbi.NewDbDataType("money", dbi.DTDecimal).WithCT(dbi.CTDecimal)
+	Float            = dbi.NewDbDataType("float", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	Real             = dbi.NewDbDataType("real", dbi.DTString).WithCT(dbi.CTVarchar)
+	Date             = dbi.NewDbDataType("date", dbi.DTDate).WithCT(dbi.CTDate)
+	Datetimeoffset   = dbi.NewDbDataType("datetimeoffset", dbi.DTDateTime).WithCT(dbi.CTDateTime)
+	Datetime2        = dbi.NewDbDataType("datetime2", dbi.DTDateTime).WithCT(dbi.CTDateTime)
+	Smalldatetime    = dbi.NewDbDataType("smalldatetime", dbi.DTDateTime).WithCT(dbi.CTDateTime)
+	Datetime         = dbi.NewDbDataType("datetime", dbi.DTDateTime).WithCT(dbi.CTDateTime)
+	Time             = dbi.NewDbDataType("time", dbi.DTTime).WithCT(dbi.CTTime)
+	Char             = dbi.NewDbDataType("char", dbi.DTString).WithCT(dbi.CTVarchar)
+	Varchar          = dbi.NewDbDataType("varchar", dbi.DTString).WithCT(dbi.CTVarchar)
+	Text             = dbi.NewDbDataType("text", dbi.DTString).WithCT(dbi.CTVarchar)
+	Nchar            = dbi.NewDbDataType("nchar", dbi.DTString).WithCT(dbi.CTVarchar)
+	Nvarchar         = dbi.NewDbDataType("nvarchar", dbi.DTString).WithCT(dbi.CTVarchar)
+	Ntext            = dbi.NewDbDataType("ntext", dbi.DTString).WithCT(dbi.CTVarchar)
+	Binary           = dbi.NewDbDataType("binary", dbi.DTBytes).WithCT(dbi.CTBinary)
+	Varbinary        = dbi.NewDbDataType("varbinary", dbi.DTBytes).WithCT(dbi.CTBinary)
+	Cursor           = dbi.NewDbDataType("cursor", dbi.DTString).WithCT(dbi.CTVarchar)
+	Rowversion       = dbi.NewDbDataType("rowversion", dbi.DTBytes).WithCT(dbi.CTBinary)
+	Hierarchyid      = dbi.NewDbDataType("hierarchyid", dbi.DTString).WithCT(dbi.CTVarchar)
+	Uniqueidentifier = dbi.NewDbDataType("uniqueidentifier", dbi.DTString).WithCT(dbi.CTVarchar)
+	Sql_variant      = dbi.NewDbDataType("sql_variant", dbi.DTString).WithCT(dbi.CTVarchar)
+	Xml              = dbi.NewDbDataType("xml", dbi.DTString).WithCT(dbi.CTVarchar)
+	Table            = dbi.NewDbDataType("table", dbi.DTString).WithCT(dbi.CTVarchar)
+	Geometry         = dbi.NewDbDataType("geometry", dbi.DTString).WithCT(dbi.CTVarchar)
+	Geography        = dbi.NewDbDataType("geography", dbi.DTString).WithCT(dbi.CTVarchar)
+)
--- a/server/internal/db/dbm/mssql/dialect.go
+++ b/server/internal/db/dbm/mssql/dialect.go
@@ -10,6 +10,14 @@ import (
 	"time"
 )

+var (
+	mssqlQuoter = dbi.Quoter{
+		Prefix:     '[',
+		Suffix:     ']',
+		IsReserved: dbi.AlwaysReserve,
+	}
+)
+
 type MssqlDialect struct {
 	dbi.DefaultDialect

@@ -99,7 +107,8 @@ func (md *MssqlDialect) batchInsertSimple(tx *sql.Tx, tableName string, columns
 	// 去除最后一个逗号
 	placeholder = strings.TrimSuffix(repeated, ",")

-	baseTable := fmt.Sprintf("%s.%s", md.QuoteIdentifier(schema), md.QuoteIdentifier(tableName))
+	quote := md.Quoter().Quote
+	baseTable := fmt.Sprintf("%s.%s", quote(schema), quote(tableName))

 	sqlStr := fmt.Sprintf("insert into %s (%s) values %s", baseTable, strings.Join(columns, ","), placeholder)
 	// 执行批量insert sql
@@ -119,6 +128,7 @@ func (md *MssqlDialect) batchInsertSimple(tx *sql.Tx, tableName string, columns
 func (md *MssqlDialect) batchInsertMerge(tx *sql.Tx, tableName string, columns []string, values [][]any, duplicateStrategy int) (int64, error) {
 	msMetadata := md.dc.GetMetadata()
 	schema := md.dc.Info.CurrentSchema()
+	quote := md.Quoter().Quote

 	// 收集MERGE 语句的 ON 子句条件
 	caseSqls := make([]string, 0)
@@ -136,7 +146,7 @@ func (md *MssqlDialect) batchInsertMerge(tx *sql.Tx, tableName string, columns [
 		}
 		if col.IsPrimaryKey {
 			pkCols = append(pkCols, col.ColumnName)
-			name := md.QuoteIdentifier(col.ColumnName)
+			name := quote(col.ColumnName)
 			caseSqls = append(caseSqls, fmt.Sprintf(" T1.%s = T2.%s ", name, name))
 		}
 	}
@@ -150,7 +160,7 @@ func (md *MssqlDialect) batchInsertMerge(tx *sql.Tx, tableName string, columns [
 	// 源数据占位sql
 	phs := make([]string, 0)
 	for _, column := range columns {
-		if !collx.ArrayContains(identityCols, md.RemoveQuote(column)) {
+		if !collx.ArrayContains(identityCols, md.Quoter().Trim(column)) {
 			upds = append(upds, fmt.Sprintf("T1.%s = T2.%s", column, column))
 		}
 		insertCols = append(insertCols, column)
@@ -168,7 +178,7 @@ func (md *MssqlDialect) batchInsertMerge(tx *sql.Tx, tableName string, columns [
 	}
 	t2 := strings.Join(t2s, " UNION ALL ")

-	sqlTemp := "MERGE INTO " + md.QuoteIdentifier(schema) + "." + md.QuoteIdentifier(tableName) + " T1 USING (" + t2 + ") T2 ON " + strings.Join(caseSqls, " AND ")
+	sqlTemp := "MERGE INTO " + quote(schema) + "." + quote(tableName) + " T1 USING (" + t2 + ") T2 ON " + strings.Join(caseSqls, " AND ")
 	sqlTemp += "WHEN NOT MATCHED THEN INSERT (" + strings.Join(insertCols, ",") + ") VALUES (" + strings.Join(insertVals, ",") + ") "
 	sqlTemp += "WHEN MATCHED THEN UPDATE SET " + strings.Join(upds, ",")

@@ -247,7 +257,7 @@ func (md *MssqlDialect) CopyTableDDL(tableName string, newTableName string) (str
 	// 查询表名和表注释, 设置表注释
 	tbs, err := metadata.GetTables(tableName)
 	if err != nil || len(tbs) < 1 {
-		logx.Errorf("获取表信息失败, %s", tableName)
+		logx.Errorf("failed to get table, %s", tableName)
 		return "", err
 	}
 	tabInfo := &dbi.Table{
@@ -258,165 +268,31 @@ func (md *MssqlDialect) CopyTableDDL(tableName string, newTableName string) (str
 	// 查询列信息
 	columns, err := metadata.GetColumns(tableName)
 	if err != nil {
-		logx.Errorf("获取列信息失败, %s", tableName)
+		logx.Errorf("failed to get columns, %s", tableName)
 		return "", err
 	}
-	sqlArr := md.GenerateTableDDL(columns, *tabInfo, true)
+
+	sqlGener := md.GetSQLGenerator()
+	sqlArr := sqlGener.GenTableDDL(*tabInfo, columns, true)

 	// 设置索引
 	indexs, err := metadata.GetTableIndex(tableName)
 	if err != nil {
-		logx.Errorf("获取索引信息失败, %s", tableName)
+		logx.Errorf("failed to get indexs, %s", tableName)
 		return strings.Join(sqlArr, ";"), err
 	}
-	sqlArr = append(sqlArr, md.GenerateIndexDDL(indexs, *tabInfo)...)
+	sqlArr = append(sqlArr, sqlGener.GenIndexDDL(*tabInfo, indexs)...)
 	return strings.Join(sqlArr, ";"), nil
 }

-// 获取建表ddl
-func (md *MssqlDialect) GenerateTableDDL(columns []dbi.Column, tableInfo dbi.Table, dropBeforeCreate bool) []string {
-	tbName := tableInfo.TableName
-	schemaName := md.dc.Info.CurrentSchema()
-
-	sqlArr := make([]string, 0)
-
-	// 删除表
-	if dropBeforeCreate {
-		sqlArr = append(sqlArr, fmt.Sprintf("DROP TABLE IF EXISTS %s.%s", md.QuoteIdentifier(schemaName), md.QuoteIdentifier(tbName)))
-	}
-
-	// 组装建表语句
-	createSql := fmt.Sprintf("CREATE TABLE %s.%s (\n", md.QuoteIdentifier(schemaName), md.QuoteIdentifier(tbName))
-	fields := make([]string, 0)
-	pks := make([]string, 0)
-	columnComments := make([]string, 0)
-
-	for _, column := range columns {
-		if column.IsPrimaryKey {
-			pks = append(pks, md.QuoteIdentifier(column.ColumnName))
-		}
-		fields = append(fields, md.genColumnBasicSql(column))
-		commentTmp := "EXECUTE sp_addextendedproperty N'MS_Description', N'%s', N'SCHEMA', N'%s', N'TABLE', N'%s', N'COLUMN', N'%s'"
-
-		// 防止注释内含有特殊字符串导致sql出错
-		if column.ColumnComment != "" {
-			comment := md.QuoteEscape(column.ColumnComment)
-			columnComments = append(columnComments, fmt.Sprintf(commentTmp, comment, md.dc.Info.CurrentSchema(), tbName, column.ColumnName))
-		}
-	}
-
-	// create
-	createSql += strings.Join(fields, ",\n")
-	if len(pks) > 0 {
-		createSql += fmt.Sprintf(", \n PRIMARY KEY CLUSTERED (%s)", strings.Join(pks, ","))
-	}
-	createSql += "\n)"
-
-	// comment
-	tableCommentSql := ""
-	if tableInfo.TableComment != "" {
-		commentTmp := "EXECUTE sp_addextendedproperty N'MS_Description', N'%s', N'SCHEMA', N'%s', N'TABLE', N'%s'"
-
-		tableCommentSql = fmt.Sprintf(commentTmp, md.QuoteEscape(tableInfo.TableComment), md.dc.Info.CurrentSchema(), tbName)
-	}
-
-	sqlArr = append(sqlArr, createSql)
-
-	if tableCommentSql != "" {
-		sqlArr = append(sqlArr, tableCommentSql)
-	}
-	if len(columnComments) > 0 {
-		sqlArr = append(sqlArr, columnComments...)
-	}
-
-	return sqlArr
-}
-
-// 获取建索引ddl
-func (md *MssqlDialect) GenerateIndexDDL(indexs []dbi.Index, tableInfo dbi.Table) []string {
-	tbName := tableInfo.TableName
-	sqls := make([]string, 0)
-	comments := make([]string, 0)
-	for _, index := range indexs {
-		unique := ""
-		if index.IsUnique {
-			unique = "unique"
-		}
-		// 取出列名，添加引号
-		cols := strings.Split(index.ColumnName, ",")
-		colNames := make([]string, len(cols))
-		for i, name := range cols {
-			colNames[i] = md.QuoteIdentifier(name)
-		}
-
-		sqls = append(sqls, fmt.Sprintf("create %s NONCLUSTERED index %s on %s.%s(%s)", unique, md.QuoteIdentifier(index.IndexName), md.QuoteIdentifier(md.dc.Info.CurrentSchema()), md.QuoteIdentifier(tbName), strings.Join(colNames, ",")))
-		if index.IndexComment != "" {
-			comment := md.QuoteEscape(index.IndexComment)
-			comments = append(comments, fmt.Sprintf("EXECUTE sp_addextendedproperty N'MS_Description', N'%s', N'SCHEMA', N'%s', N'TABLE', N'%s', N'INDEX', N'%s'", comment, md.dc.Info.CurrentSchema(), tbName, index.IndexName))
-		}
-	}
-	if len(comments) > 0 {
-		sqls = append(sqls, comments...)
-	}
-
-	return sqls
-}
-
-func (dx *MssqlDialect) QuoteIdentifier(name string) string {
-	return fmt.Sprintf("[%s]", name)
-}
-
-func (dx *MssqlDialect) RemoveQuote(name string) string {
-	return strings.Trim(name, "[]")
-}
-
-func (md *MssqlDialect) GetDataHelper() dbi.DataHelper {
-	return dataHelper
-}
-
-func (md *MssqlDialect) GetColumnHelper() dbi.ColumnHelper {
-	return columnHelper
+func (dx *MssqlDialect) Quoter() dbi.Quoter {
+	return mssqlQuoter
 }

 func (md *MssqlDialect) GetDumpHelper() dbi.DumpHelper {
 	return new(DumpHelper)
 }

-func (md *MssqlDialect) genColumnBasicSql(column dbi.Column) string {
-	colName := md.QuoteIdentifier(column.ColumnName)
-	dataType := string(column.DataType)
-
-	incr := ""
-	if column.IsIdentity {
-		incr = " IDENTITY(1,1)"
-	}
-
-	nullAble := ""
-	if !column.Nullable {
-		nullAble = " NOT NULL"
-	}
-
-	defVal := "" // 默认值需要判断引号，如函数是不需要引号的 // 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
-	if column.ColumnDefault != "" && !strings.Contains(column.ColumnDefault, "(") {
-		// 哪些字段类型默认值需要加引号
-		mark := false
-		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, dataType) {
-			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
-			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) &&
-				collx.ArrayAnyMatches([]string{"DATE", "TIME"}, strings.ToUpper(column.ColumnDefault)) {
-				mark = false
-			} else {
-				mark = true
-			}
-		}
-
-		if mark {
-			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
-		} else {
-			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
-		}
-	}
-
-	columnSql := fmt.Sprintf(" %s %s%s%s%s", colName, column.GetColumnType(), incr, nullAble, defVal)
-	return columnSql
+func (md *MssqlDialect) GetSQLGenerator() dbi.SQLGenerator {
+	return &SQLGenerator{dc: md.dc}
 }
--- a/server/internal/db/dbm/mssql/helper.go
+++ b/server/internal/db/dbm/mssql/helper.go
@@ -4,218 +4,15 @@ import (
 	"fmt"
 	"io"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/utils/anyx"
 	"mayfly-go/pkg/utils/collx"
-	"regexp"
 	"strings"
-	"time"
 )

 var (
-	// 数字类型
-	numberRegexp = regexp.MustCompile(`(?i)int|double|float|number|decimal|byte|bit`)
-	// 日期时间类型
-	datetimeRegexp = regexp.MustCompile(`(?i)datetime|timestamp`)
-	// 日期类型
-	dateRegexp = regexp.MustCompile(`(?i)date`)
-	// 时间类型
-	timeRegexp = regexp.MustCompile(`(?i)time`)
-
-	// mssql数据类型 对应 公共数据类型
-	commonColumnTypeMap = map[string]dbi.ColumnDataType{
-		"bigint":           dbi.CommonTypeBigint,
-		"numeric":          dbi.CommonTypeNumber,
-		"bit":              dbi.CommonTypeInt,
-		"smallint":         dbi.CommonTypeSmallint,
-		"decimal":          dbi.CommonTypeNumber,
-		"smallmoney":       dbi.CommonTypeNumber,
-		"int":              dbi.CommonTypeInt,
-		"tinyint":          dbi.CommonTypeSmallint, // mssql tinyint不支持负数
-		"money":            dbi.CommonTypeNumber,
-		"float":            dbi.CommonTypeNumber, // 近似数字
-		"real":             dbi.CommonTypeVarchar,
-		"date":             dbi.CommonTypeDate, // 日期和时间
-		"datetimeoffset":   dbi.CommonTypeDatetime,
-		"datetime2":        dbi.CommonTypeDatetime,
-		"smalldatetime":    dbi.CommonTypeDatetime,
-		"datetime":         dbi.CommonTypeDatetime,
-		"time":             dbi.CommonTypeTime,
-		"char":             dbi.CommonTypeChar, // 字符串
-		"varchar":          dbi.CommonTypeVarchar,
-		"text":             dbi.CommonTypeText,
-		"nchar":            dbi.CommonTypeChar,
-		"nvarchar":         dbi.CommonTypeVarchar,
-		"ntext":            dbi.CommonTypeText,
-		"binary":           dbi.CommonTypeBinary,
-		"varbinary":        dbi.CommonTypeBinary,
-		"cursor":           dbi.CommonTypeVarchar, // 其他
-		"rowversion":       dbi.CommonTypeVarchar,
-		"hierarchyid":      dbi.CommonTypeVarchar,
-		"uniqueidentifier": dbi.CommonTypeVarchar,
-		"sql_variant":      dbi.CommonTypeVarchar,
-		"xml":              dbi.CommonTypeText,
-		"table":            dbi.CommonTypeText,
-		"geometry":         dbi.CommonTypeText, // 空间几何类型
-		"geography":        dbi.CommonTypeText, // 空间地理类型
-	}
-
-	// 公共数据类型 对应 mssql数据类型
-
-	mssqlColumnTypeMap = map[dbi.ColumnDataType]string{
-		dbi.CommonTypeVarchar:    "nvarchar",
-		dbi.CommonTypeChar:       "nchar",
-		dbi.CommonTypeText:       "ntext",
-		dbi.CommonTypeBlob:       "ntext",
-		dbi.CommonTypeLongblob:   "ntext",
-		dbi.CommonTypeLongtext:   "ntext",
-		dbi.CommonTypeBinary:     "varbinary",
-		dbi.CommonTypeMediumblob: "ntext",
-		dbi.CommonTypeMediumtext: "ntext",
-		dbi.CommonTypeVarbinary:  "varbinary",
-		dbi.CommonTypeInt:        "int",
-		dbi.CommonTypeSmallint:   "smallint",
-		dbi.CommonTypeTinyint:    "smallint",
-		dbi.CommonTypeNumber:     "decimal",
-		dbi.CommonTypeBigint:     "bigint",
-		dbi.CommonTypeDatetime:   "datetime2",
-		dbi.CommonTypeDate:       "date",
-		dbi.CommonTypeTime:       "time",
-		dbi.CommonTypeTimestamp:  "timestamp",
-		dbi.CommonTypeEnum:       "nvarchar",
-		dbi.CommonTypeJSON:       "nvarchar",
-	}
-	dataHelper   = &DataHelper{}
 	columnHelper = &ColumnHelper{}
 )

-func GetDataHelper() *DataHelper {
-	return dataHelper
-}
-
-type DataHelper struct {
-}
-
-func (dc *DataHelper) GetDataType(dbColumnType string) dbi.DataType {
-	if numberRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeNumber
-	}
-	// 日期时间类型
-	if datetimeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDateTime
-	}
-	// 日期类型
-	if dateRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDate
-	}
-	// 时间类型
-	if timeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeTime
-	}
-	return dbi.DataTypeString
-}
-
-func (dc *DataHelper) FormatData(dbColumnValue any, dataType dbi.DataType) string {
-	// 如果dataType是datetime而dbColumnValue是string类型，则需要根据类型格式化
-	str, ok := dbColumnValue.(string)
-	if dataType == dbi.DataTypeDateTime && ok {
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.DateTime, str)
-		if err == nil {
-			return str
-		}
-		res, _ = time.Parse(time.RFC3339, str)
-		return res.Format(time.DateTime)
-	}
-	if dataType == dbi.DataTypeDate && ok {
-		// 尝试用时间格式解析
-		res, _ := time.Parse(time.DateOnly, str)
-		return res.Format(time.DateOnly)
-	}
-	if dataType == dbi.DataTypeTime && ok {
-		res, _ := time.Parse(time.TimeOnly, str)
-		return res.Format(time.TimeOnly)
-	}
-	return anyx.ToString(dbColumnValue)
-}
-
-func (dc *DataHelper) ParseData(dbColumnValue any, dataType dbi.DataType) any {
-	// 如果dataType是datetime而dbColumnValue是string类型，则需要转换为time.Time类型
-	_, ok := dbColumnValue.(string)
-	if dataType == dbi.DataTypeDateTime && ok {
-		res, _ := time.Parse(time.RFC3339, anyx.ToString(dbColumnValue))
-		return res
-	}
-	if dataType == dbi.DataTypeDate && ok {
-		res, _ := time.Parse(time.DateOnly, anyx.ToString(dbColumnValue))
-		return res
-	}
-	if dataType == dbi.DataTypeTime && ok {
-		res, _ := time.Parse(time.TimeOnly, anyx.ToString(dbColumnValue))
-		return res
-	}
-	return dbColumnValue
-}
-
-func (dc *DataHelper) WrapValue(dbColumnValue any, dataType dbi.DataType) string {
-	if dbColumnValue == nil {
-		return "NULL"
-	}
-	switch dataType {
-	case dbi.DataTypeNumber:
-		return fmt.Sprintf("%v", dbColumnValue)
-	case dbi.DataTypeString:
-		val := fmt.Sprintf("%v", dbColumnValue)
-		// 转义单引号
-		val = strings.Replace(val, `'`, `''`, -1)
-		val = strings.Replace(val, `\''`, `\'`, -1)
-		// 转义换行符
-		val = strings.Replace(val, "\n", "\\n", -1)
-		return fmt.Sprintf("'%s'", val)
-	case dbi.DataTypeDate, dbi.DataTypeDateTime, dbi.DataTypeTime:
-		return fmt.Sprintf("'%s'", dc.FormatData(dbColumnValue, dataType))
-	}
-	return fmt.Sprintf("'%s'", dbColumnValue)
-}
-
 type ColumnHelper struct {
-	dbi.DefaultColumnHelper
-}
-
-func (ch *ColumnHelper) ToCommonColumn(dialectColumn *dbi.Column) {
-	// 翻译为通用数据库类型
-	dataType := dialectColumn.DataType
-	t1 := commonColumnTypeMap[string(dataType)]
-	if t1 == "" {
-		dialectColumn.DataType = dbi.CommonTypeVarchar
-		dialectColumn.CharMaxLength = 2000
-	} else {
-		dialectColumn.DataType = t1
-	}
-}
-
-func (ch *ColumnHelper) ToColumn(commonColumn *dbi.Column) {
-	ctype := mssqlColumnTypeMap[commonColumn.DataType]
-
-	if ctype == "" {
-		commonColumn.DataType = "varchar"
-		commonColumn.CharMaxLength = 2000
-	} else {
-		commonColumn.DataType = dbi.ColumnDataType(ctype)
-		ch.FixColumn(commonColumn)
-		// 修复数据库迁移字段长度
-		dataType := string(commonColumn.DataType)
-		if collx.ArrayAnyMatches([]string{"nvarchar", "nchar"}, dataType) {
-			commonColumn.CharMaxLength = commonColumn.CharMaxLength * 2
-		}
-
-		if collx.ArrayAnyMatches([]string{"char"}, dataType) {
-			// char最大长度4000
-			if commonColumn.CharMaxLength >= 4000 {
-				commonColumn.DataType = "ntext"
-				commonColumn.CharMaxLength = 0
-			}
-		}
-	}
 }

 func (ch *ColumnHelper) FixColumn(column *dbi.Column) {
--- a/server/internal/db/dbm/mssql/meta.go
+++ b/server/internal/db/dbm/mssql/meta.go
@@ -4,6 +4,7 @@ import (
 	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
 	"net/url"
 	"strings"

@@ -12,9 +13,13 @@ import (

 func init() {
 	meta := new(Meta)
-	dbi.Register(dbi.DbTypeMssql, meta)
+	dbi.Register(DbTypeMssql, meta)
 }

+const (
+	DbTypeMssql dbi.DbType = "mssql"
+)
+
 type Meta struct {
 }

@@ -60,3 +65,45 @@ func (mm *Meta) GetDialect(conn *dbi.DbConn) dbi.Dialect {
 func (mm *Meta) GetMetadata(conn *dbi.DbConn) dbi.Metadata {
 	return &MssqlMetadata{dc: conn}
 }
+
+func (sm *Meta) GetDbDataTypes() []*dbi.DbDataType {
+	return collx.AsArray[*dbi.DbDataType](Bigint,
+		Numeric,
+		Bit,
+		Smallint,
+		Decimal,
+		Smallmoney,
+		Int,
+		Tinyint,
+		Money,
+		Float,
+		Real,
+		Date,
+		Datetimeoffset,
+		Datetime2,
+		Smalldatetime,
+		Datetime,
+		Time,
+		Char,
+		Varchar,
+		Text,
+		Nchar,
+		Nvarchar,
+		Ntext,
+		Binary,
+		Varbinary,
+		Cursor,
+		Rowversion,
+		Hierarchyid,
+		Uniqueidentifier,
+		Sql_variant,
+		Xml,
+		Table,
+		Geometry,
+		Geography,
+	)
+}
+
+func (sm *Meta) GetCommonTypeConverter() dbi.CommonTypeConverter {
+	return &commonTypeConverter{}
+}
--- a/server/internal/db/dbm/mssql/metadata.go
+++ b/server/internal/db/dbm/mssql/metadata.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/pkg/errorx"
-	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/utils/anyx"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/stringx"
@@ -58,7 +57,7 @@ func (md *MssqlMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 	dialect := md.dc.GetDialect()
 	schema := md.dc.Info.CurrentSchema()
 	names := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	var res []map[string]any
@@ -91,9 +90,8 @@ func (md *MssqlMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 // 获取列元信息, 如列名等
 func (md *MssqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 	dialect := md.dc.GetDialect()
-	columnHelper := dialect.GetColumnHelper()
 	tableName := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	_, res, err := md.dc.Query(fmt.Sprintf(dbi.GetLocalSql(MSSQL_META_FILE, MSSQL_COLUMN_MA_KEY), tableName), md.dc.Info.CurrentSchema())
@@ -107,7 +105,7 @@ func (md *MssqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 		column := dbi.Column{
 			TableName:     anyx.ToString(re["TABLE_NAME"]),
 			ColumnName:    anyx.ToString(re["COLUMN_NAME"]),
-			DataType:      dbi.ColumnDataType(anyx.ToString(re["DATA_TYPE"])),
+			DataType:      anyx.ToString(re["DATA_TYPE"]),
 			CharMaxLength: cast.ToInt(re["CHAR_MAX_LENGTH"]),
 			ColumnComment: anyx.ToString(re["COLUMN_COMMENT"]),
 			Nullable:      anyx.ToString(re["NULLABLE"]) == "YES",
@@ -118,8 +116,7 @@ func (md *MssqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 			NumScale:      cast.ToInt(re["NUM_SCALE"]),
 		}

-		columnHelper.FixColumn(&column)
-
+		md.dc.GetDbDataType(column.DataType).FixColumn(&column)
 		columns = append(columns, column)
 	}
 	return columns, nil
@@ -197,33 +194,7 @@ func (md *MssqlMetadata) GetTableIndex(tableName string) ([]dbi.Index, error) {

 // 获取建表ddl
 func (md *MssqlMetadata) GetTableDDL(tableName string, dropBeforeCreate bool) (string, error) {
-	// 1.获取表信息
-	tbs, err := md.GetTables(tableName)
-	tableInfo := &dbi.Table{}
-	if err != nil || tbs == nil || len(tbs) <= 0 {
-		logx.Errorf("获取表信息失败, %s", tableName)
-		return "", err
-	}
-	tableInfo.TableName = tbs[0].TableName
-	tableInfo.TableComment = tbs[0].TableComment
-
-	// 2.获取列信息
-	columns, err := md.GetColumns(tableName)
-	if err != nil {
-		logx.Errorf("获取列信息失败, %s", tableName)
-		return "", err
-	}
-	dialect := md.dc.GetDialect()
-	tableDDLArr := dialect.GenerateTableDDL(columns, *tableInfo, dropBeforeCreate)
-	// 3.获取索引信息
-	indexs, err := md.GetTableIndex(tableName)
-	if err != nil {
-		logx.Errorf("获取索引信息失败, %s", tableName)
-		return "", err
-	}
-	// 组装返回
-	tableDDLArr = append(tableDDLArr, dialect.GenerateIndexDDL(indexs, *tableInfo)...)
-	return strings.Join(tableDDLArr, ";\n"), nil
+	return dbi.GenTableDDL(md.dc.GetDialect(), md, tableName, dropBeforeCreate)
 }

 func (md *MssqlMetadata) GetSchemas() ([]string, error) {
--- a/server/internal/db/dbm/mssql/sqlgen.go
+++ b/server/internal/db/dbm/mssql/sqlgen.go
@@ -0,0 +1,146 @@
+package mssql
+
+import (
+	"fmt"
+	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
+	"strings"
+)
+
+type SQLGenerator struct {
+	dc *dbi.DbConn
+}
+
+func (sg *SQLGenerator) GenTableDDL(table dbi.Table, columns []dbi.Column, dropBeforeCreate bool) []string {
+	tbName := table.TableName
+	schemaName := sg.dc.Info.CurrentSchema()
+
+	quoter := sg.dc.GetDialect().Quoter()
+	quote := quoter.Quote
+
+	sqlArr := make([]string, 0)
+
+	// 删除表
+	if dropBeforeCreate {
+		sqlArr = append(sqlArr, fmt.Sprintf("DROP TABLE IF EXISTS %s.%s", quote(schemaName), quote(tbName)))
+	}
+
+	// 组装建表语句
+	createSql := fmt.Sprintf("CREATE TABLE %s.%s (\n", quote(schemaName), quote(tbName))
+	fields := make([]string, 0)
+	pks := make([]string, 0)
+	columnComments := make([]string, 0)
+
+	for _, column := range columns {
+		if column.IsPrimaryKey {
+			pks = append(pks, quote(column.ColumnName))
+		}
+		fields = append(fields, sg.genColumnBasicSql(quoter, column))
+		commentTmp := "EXECUTE sp_addextendedproperty N'MS_Description', N'%s', N'SCHEMA', N'%s', N'TABLE', N'%s', N'COLUMN', N'%s'"
+
+		// 防止注释内含有特殊字符串导致sql出错
+		if column.ColumnComment != "" {
+			comment := dbi.QuoteEscape(column.ColumnComment)
+			columnComments = append(columnComments, fmt.Sprintf(commentTmp, comment, sg.dc.Info.CurrentSchema(), tbName, column.ColumnName))
+		}
+	}
+
+	// create
+	createSql += strings.Join(fields, ",\n")
+	if len(pks) > 0 {
+		createSql += fmt.Sprintf(", \n PRIMARY KEY CLUSTERED (%s)", strings.Join(pks, ","))
+	}
+	createSql += "\n)"
+
+	// comment
+	tableCommentSql := ""
+	if table.TableComment != "" {
+		commentTmp := "EXECUTE sp_addextendedproperty N'MS_Description', N'%s', N'SCHEMA', N'%s', N'TABLE', N'%s'"
+
+		tableCommentSql = fmt.Sprintf(commentTmp, dbi.QuoteEscape(table.TableComment), sg.dc.Info.CurrentSchema(), tbName)
+	}
+
+	sqlArr = append(sqlArr, createSql)
+
+	if tableCommentSql != "" {
+		sqlArr = append(sqlArr, tableCommentSql)
+	}
+	if len(columnComments) > 0 {
+		sqlArr = append(sqlArr, columnComments...)
+	}
+
+	return sqlArr
+}
+
+func (sg *SQLGenerator) GenIndexDDL(table dbi.Table, indexs []dbi.Index) []string {
+	quote := sg.dc.GetDialect().Quoter().Quote
+	tbName := table.TableName
+	sqls := make([]string, 0)
+	comments := make([]string, 0)
+	for _, index := range indexs {
+		unique := ""
+		if index.IsUnique {
+			unique = "unique"
+		}
+		// 取出列名，添加引号
+		cols := strings.Split(index.ColumnName, ",")
+		colNames := make([]string, len(cols))
+		for i, name := range cols {
+			colNames[i] = quote(name)
+		}
+
+		sqls = append(sqls, fmt.Sprintf("create %s NONCLUSTERED index %s on %s.%s(%s)", unique, quote(index.IndexName), quote(sg.dc.Info.CurrentSchema()), quote(tbName), strings.Join(colNames, ",")))
+		if index.IndexComment != "" {
+			comment := dbi.QuoteEscape(index.IndexComment)
+			comments = append(comments, fmt.Sprintf("EXECUTE sp_addextendedproperty N'MS_Description', N'%s', N'SCHEMA', N'%s', N'TABLE', N'%s', N'INDEX', N'%s'", comment, sg.dc.Info.CurrentSchema(), tbName, index.IndexName))
+		}
+	}
+	if len(comments) > 0 {
+		sqls = append(sqls, comments...)
+	}
+
+	return sqls
+}
+
+func (sg *SQLGenerator) GenInsert(tableName string, columns []dbi.Column, values [][]any, duplicateStrategy int) []string {
+	return collx.AsArray("")
+}
+
+func (msg *SQLGenerator) genColumnBasicSql(quoter dbi.Quoter, column dbi.Column) string {
+	colName := quoter.Quote(column.ColumnName)
+	dataType := string(column.DataType)
+
+	incr := ""
+	if column.IsIdentity {
+		incr = " IDENTITY(1,1)"
+	}
+
+	nullAble := ""
+	if !column.Nullable {
+		nullAble = " NOT NULL"
+	}
+
+	defVal := "" // 默认值需要判断引号，如函数是不需要引号的 // 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
+	if column.ColumnDefault != "" && !strings.Contains(column.ColumnDefault, "(") {
+		// 哪些字段类型默认值需要加引号
+		mark := false
+		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, dataType) {
+			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
+			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) &&
+				collx.ArrayAnyMatches([]string{"DATE", "TIME"}, strings.ToUpper(column.ColumnDefault)) {
+				mark = false
+			} else {
+				mark = true
+			}
+		}
+
+		if mark {
+			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
+		} else {
+			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
+		}
+	}
+
+	columnSql := fmt.Sprintf(" %s %s%s%s%s", colName, column.GetColumnType(), incr, nullAble, defVal)
+	return columnSql
+}
--- a/server/internal/db/dbm/mssql/transfer.go
+++ b/server/internal/db/dbm/mssql/transfer.go
@@ -0,0 +1,97 @@
+package mssql
+
+import "mayfly-go/internal/db/dbm/dbi"
+
+var _ dbi.CommonTypeConverter = (*commonTypeConverter)(nil)
+
+type commonTypeConverter struct {
+}
+
+func (c *commonTypeConverter) Varchar(col *dbi.Column) *dbi.DbDataType {
+	return Varchar
+}
+
+func (c *commonTypeConverter) Char(col *dbi.Column) *dbi.DbDataType {
+	return Char
+}
+func (c *commonTypeConverter) Text(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+func (c *commonTypeConverter) Mediumtext(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+func (c *commonTypeConverter) Longtext(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+
+func (c *commonTypeConverter) Bit(col *dbi.Column) *dbi.DbDataType {
+	return Bit
+}
+func (c *commonTypeConverter) Int1(col *dbi.Column) *dbi.DbDataType {
+	return Tinyint
+}
+func (c *commonTypeConverter) Int2(col *dbi.Column) *dbi.DbDataType {
+	return Smallint
+}
+func (c *commonTypeConverter) Int4(col *dbi.Column) *dbi.DbDataType {
+	return Int
+}
+func (c *commonTypeConverter) Int8(col *dbi.Column) *dbi.DbDataType {
+	return Bigint
+}
+func (c *commonTypeConverter) Numeric(col *dbi.Column) *dbi.DbDataType {
+	return Numeric
+}
+
+func (c *commonTypeConverter) Decimal(col *dbi.Column) *dbi.DbDataType {
+	return Decimal
+}
+
+func (c *commonTypeConverter) UnsignedInt8(col *dbi.Column) *dbi.DbDataType {
+	return Bigint
+}
+func (c *commonTypeConverter) UnsignedInt4(col *dbi.Column) *dbi.DbDataType {
+	return Int
+}
+func (c *commonTypeConverter) UnsignedInt2(col *dbi.Column) *dbi.DbDataType {
+	return Smallint
+}
+func (c *commonTypeConverter) UnsignedInt1(col *dbi.Column) *dbi.DbDataType {
+	return Tinyint
+}
+
+func (c *commonTypeConverter) Date(col *dbi.Column) *dbi.DbDataType {
+	return Date
+}
+func (c *commonTypeConverter) Time(col *dbi.Column) *dbi.DbDataType {
+	return Time
+}
+func (c *commonTypeConverter) Datetime(col *dbi.Column) *dbi.DbDataType {
+	return Datetime
+}
+func (c *commonTypeConverter) Timestamp(col *dbi.Column) *dbi.DbDataType {
+	return Datetime
+}
+
+func (c *commonTypeConverter) Binary(col *dbi.Column) *dbi.DbDataType {
+	return Binary
+}
+func (c *commonTypeConverter) Varbinary(col *dbi.Column) *dbi.DbDataType {
+	return Varbinary
+}
+func (c *commonTypeConverter) Mediumblob(col *dbi.Column) *dbi.DbDataType {
+	return Binary
+}
+func (c *commonTypeConverter) Blob(col *dbi.Column) *dbi.DbDataType {
+	return Binary
+}
+func (c *commonTypeConverter) Longblob(col *dbi.Column) *dbi.DbDataType {
+	return Binary
+}
+
+func (c *commonTypeConverter) Enum(col *dbi.Column) *dbi.DbDataType {
+	return Varchar
+}
+func (c *commonTypeConverter) JSON(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
--- a/server/internal/db/dbm/mysql/column.go
+++ b/server/internal/db/dbm/mysql/column.go
@@ -0,0 +1,48 @@
+package mysql
+
+import (
+	"mayfly-go/internal/db/dbm/dbi"
+)
+
+const (
+	IndexSubPartKey = "subPart"
+)
+
+var (
+	Bit       = dbi.NewDbDataType("bit", dbi.DTBit).WithCT(dbi.CTBit)
+	Tinyint   = dbi.NewDbDataType("tinyint", dbi.DTInt8).WithCT(dbi.CTInt1).WithFixColumn(dbi.ClearNumScale)
+	Smallint  = dbi.NewDbDataType("smallint", dbi.DTInt16).WithCT(dbi.CTInt2).WithFixColumn(dbi.ClearNumScale)
+	Mediumint = dbi.NewDbDataType("mediumint", dbi.DTInt32).WithCT(dbi.CTInt4).WithFixColumn(dbi.ClearNumScale)
+	Int       = dbi.NewDbDataType("int", dbi.DTInt32).WithCT(dbi.CTInt4).WithFixColumn(dbi.ClearNumScale)
+	Bigint    = dbi.NewDbDataType("bigint", dbi.DTInt64).WithCT(dbi.CTInt8).WithFixColumn(dbi.ClearNumScale)
+
+	UnsignedBigint    = dbi.NewDbDataType("unsigned bigint", dbi.DTUint64).WithCT(dbi.CTUnsignedInt8).WithFixColumn(dbi.ClearNumScale)
+	UnsignedInt       = dbi.NewDbDataType("unsigned int", dbi.DTUint64).WithCT(dbi.CTUnsignedInt4).WithFixColumn(dbi.ClearNumScale)
+	UnsignedSmallint  = dbi.NewDbDataType("unsigned smallint", dbi.DTInt32).WithCT(dbi.CTUnsignedInt2).WithFixColumn(dbi.ClearNumScale)
+	UnsignedMediumint = dbi.NewDbDataType("unsigned mediumint", dbi.DTInt64).WithCT(dbi.CTUnsignedInt4).WithFixColumn(dbi.ClearNumScale)
+
+	Decimal = dbi.NewDbDataType("decimal", dbi.DTDecimal).WithCT(dbi.CTDecimal)
+	Double  = dbi.NewDbDataType("double", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	Float   = dbi.NewDbDataType("float", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+
+	Varchar    = dbi.NewDbDataType("varchar", dbi.DTString).WithCT(dbi.CTVarchar)
+	Char       = dbi.NewDbDataType("char", dbi.DTString).WithCT(dbi.CTChar)
+	Text       = dbi.NewDbDataType("text", dbi.DTString).WithCT(dbi.CTText).WithFixColumn(dbi.ClearCharMaxLength)
+	Mediumtext = dbi.NewDbDataType("mediumtext", dbi.DTString).WithCT(dbi.CTMediumtext).WithFixColumn(dbi.ClearCharMaxLength)
+	Longtext   = dbi.NewDbDataType("longtext", dbi.DTString).WithCT(dbi.CTLongtext).WithFixColumn(dbi.ClearCharMaxLength)
+	JSON       = dbi.NewDbDataType("json", dbi.DTString).WithCT(dbi.CTJSON).WithFixColumn(dbi.ClearCharMaxLength)
+
+	Datetime  = dbi.NewDbDataType("datetime", dbi.DTDateTime).WithCT(dbi.CTDateTime)
+	Date      = dbi.NewDbDataType("date", dbi.DTDate).WithCT(dbi.CTDate)
+	Time      = dbi.NewDbDataType("time", dbi.DTTime).WithCT(dbi.CTTime)
+	Timestamp = dbi.NewDbDataType("timestamp", dbi.DTDateTime).WithCT(dbi.CTTimestamp)
+
+	Enum = dbi.NewDbDataType("enum", dbi.DTString).WithCT(dbi.CTEnum)
+	Set  = dbi.NewDbDataType("set", dbi.DTString).WithCT(dbi.CTVarchar)
+
+	Blob       = dbi.NewDbDataType("blob", dbi.DTBytes).WithCT(dbi.CTBlob)
+	Mediumblob = dbi.NewDbDataType("mediumblob", dbi.DTBytes).WithCT(dbi.CTMediumblob)
+	Longblob   = dbi.NewDbDataType("longblob", dbi.DTBytes).WithCT(dbi.CTLongblob)
+	Binary     = dbi.NewDbDataType("binary", dbi.DTBytes).WithCT(dbi.CTBinary)
+	Varbinary  = dbi.NewDbDataType("varbinary", dbi.DTBytes).WithCT(dbi.CTVarbinary)
+)
--- a/server/internal/db/dbm/mysql/dialect.go
+++ b/server/internal/db/dbm/mysql/dialect.go
@@ -1,17 +1,20 @@
 package mysql

 import (
-	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/internal/db/dbm/sqlparser"
 	"mayfly-go/internal/db/dbm/sqlparser/mysql"
-	"mayfly-go/pkg/utils/collx"
-	"strings"
 	"time"
 )

-const Quoter = "`"
+var (
+	mysqlQuoter = dbi.Quoter{
+		Prefix:     '`',
+		Suffix:     '`',
+		IsReserved: dbi.AlwaysReserve,
+	}
+)

 type MysqlDialect struct {
 	dbi.DefaultDialect
@@ -24,38 +27,6 @@ func (md *MysqlDialect) GetDbProgram() (dbi.DbProgram, error) {
 	return NewDbProgramMysql(md.dc), nil
 }

-func (md *MysqlDialect) BatchInsert(tx *sql.Tx, tableName string, columns []string, values [][]any, duplicateStrategy int) (int64, error) {
-	// 生成占位符字符串：如：(?,?)
-	// 重复字符串并用逗号连接
-	repeated := strings.Repeat("?,", len(columns))
-	// 去除最后一个逗号，占位符由括号包裹
-	placeholder := fmt.Sprintf("(%s)", strings.TrimSuffix(repeated, ","))
-
-	// 执行批量insert sql，mysql支持批量insert语法
-	// insert into table_name (column1, column2, ...) values (value1, value2, ...), (value1, value2, ...), ...
-
-	// 重复占位符字符串n遍
-	repeated = strings.Repeat(placeholder+",", len(values))
-	// 去除最后一个逗号
-	placeholder = strings.TrimSuffix(repeated, ",")
-
-	prefix := "insert into"
-	if duplicateStrategy == 1 {
-		prefix = "insert ignore into"
-	} else if duplicateStrategy == 2 {
-		prefix = "replace into"
-	}
-
-	sqlStr := fmt.Sprintf("%s %s (%s) values %s", prefix, md.QuoteIdentifier(tableName), strings.Join(columns, ","), placeholder)
-	// 执行批量insert sql
-	// 把二维数组转为一维数组
-	var args []any
-	for _, v := range values {
-		args = append(args, v...)
-	}
-	return md.dc.TxExec(tx, sqlStr, args...)
-}
-
 func (md *MysqlDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	tableName := copy.TableName

@@ -77,145 +48,14 @@ func (md *MysqlDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	return err
 }

-// 获取建表ddl
-func (md *MysqlDialect) GenerateTableDDL(columns []dbi.Column, tableInfo dbi.Table, dropBeforeCreate bool) []string {
-	sqlArr := make([]string, 0)
-
-	if dropBeforeCreate {
-		sqlArr = append(sqlArr, fmt.Sprintf("DROP TABLE IF EXISTS %s", md.QuoteIdentifier(tableInfo.TableName)))
-	}
-
-	// 组装建表语句
-	createSql := fmt.Sprintf("CREATE TABLE %s (\n", md.QuoteIdentifier(tableInfo.TableName))
-	fields := make([]string, 0)
-	pks := make([]string, 0)
-
-	for _, column := range columns {
-		if column.IsPrimaryKey {
-			pks = append(pks, column.ColumnName)
-		}
-		fields = append(fields, md.genColumnBasicSql(column))
-	}
-
-	// 建表ddl
-	createSql += strings.Join(fields, ",\n")
-	if len(pks) > 0 {
-		createSql += fmt.Sprintf(", \nPRIMARY KEY (%s)", strings.Join(pks, ","))
-	}
-	createSql += "\n)"
-
-	// 表注释
-	if tableInfo.TableComment != "" {
-		createSql += fmt.Sprintf(" COMMENT '%s'", md.QuoteEscape(tableInfo.TableComment))
-	}
-
-	sqlArr = append(sqlArr, createSql)
-
-	return sqlArr
-}
-
-// 获取建索引ddl
-func (md *MysqlDialect) GenerateIndexDDL(indexs []dbi.Index, tableInfo dbi.Table) []string {
-	sqlArr := make([]string, 0)
-	for _, index := range indexs {
-		unique := ""
-		if index.IsUnique {
-			unique = "unique"
-		}
-		// 取出列名，添加引号
-		cols := strings.Split(index.ColumnName, ",")
-		colNames := make([]string, len(cols))
-		for i, name := range cols {
-			colNames[i] = md.QuoteIdentifier(name)
-		}
-		sqlTmp := "ALTER TABLE %s ADD %s INDEX %s(%s) USING BTREE"
-		sqlStr := fmt.Sprintf(sqlTmp, md.QuoteIdentifier(tableInfo.TableName), unique, md.QuoteIdentifier(index.IndexName), strings.Join(colNames, ","))
-		comment := md.QuoteEscape(index.IndexComment)
-		if comment != "" {
-			sqlStr += fmt.Sprintf(" COMMENT '%s'", comment)
-		}
-		sqlArr = append(sqlArr, sqlStr)
-	}
-	return sqlArr
-}
-
-func (md *MysqlDialect) genColumnBasicSql(column dbi.Column) string {
-	dataType := string(column.DataType)
-
-	incr := ""
-	if column.IsIdentity {
-		incr = " AUTO_INCREMENT"
-	}
-
-	nullAble := ""
-	if !column.Nullable {
-		nullAble = " NOT NULL"
-	}
-	columnType := column.GetColumnType()
-	if nullAble == "" && strings.Contains(columnType, "timestamp") {
-		nullAble = " NULL"
-	}
-
-	defVal := "" // 默认值需要判断引号，如函数是不需要引号的
-	if column.ColumnDefault != "" &&
-		// 当默认值是字符串'NULL'时，不需要设置默认值
-		column.ColumnDefault != "NULL" &&
-		// 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
-		!strings.Contains(column.ColumnDefault, "(") {
-		// 哪些字段类型默认值需要加引号
-		mark := false
-		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, strings.ToLower(dataType)) {
-			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
-			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) &&
-				collx.ArrayAnyMatches([]string{"DATE", "TIME"}, strings.ToUpper(column.ColumnDefault)) {
-				mark = false
-			} else {
-				mark = true
-			}
-		}
-		if mark {
-			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
-		} else {
-			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
-		}
-	}
-	comment := ""
-	if column.ColumnComment != "" {
-		// 防止注释内含有特殊字符串导致sql出错
-		commentStr := md.QuoteEscape(column.ColumnComment)
-		comment = fmt.Sprintf(" COMMENT '%s'", commentStr)
-	}
-
-	columnSql := fmt.Sprintf(" %s %s%s%s%s%s", md.QuoteIdentifier(column.ColumnName), columnType, nullAble, incr, defVal, comment)
-	return columnSql
-}
-
-func (dx *MysqlDialect) QuoteIdentifier(name string) string {
-	end := strings.IndexRune(name, 0)
-	if end > -1 {
-		name = name[:end]
-	}
-	return Quoter + strings.Replace(name, Quoter, Quoter+Quoter, -1) + Quoter
-}
-
-func (dx *MysqlDialect) RemoveQuote(name string) string {
-	return strings.ReplaceAll(name, Quoter, "")
-}
-
-func (md *MysqlDialect) QuoteLiteral(literal string) string {
-	literal = strings.ReplaceAll(literal, `\`, `\\`)
-	literal = strings.ReplaceAll(literal, `'`, `''`)
-	return "'" + literal + "'"
-}
-
-func (md *MysqlDialect) GetDataHelper() dbi.DataHelper {
-	return dataHelper
-}
-
-func (md *MysqlDialect) GetColumnHelper() dbi.ColumnHelper {
-	return columnHelper
+func (md *MysqlDialect) Quoter() dbi.Quoter {
+	return mysqlQuoter
 }

 func (pd *MysqlDialect) GetSQLParser() sqlparser.SqlParser {
 	return new(mysql.MysqlParser)
 }
+
+func (md *MysqlDialect) GetSQLGenerator() dbi.SQLGenerator {
+	return &SQLGenerator{Dialect: md}
+}
--- a/server/internal/db/dbm/mysql/helper.go
+++ b/server/internal/db/dbm/mysql/helper.go
@@ -1,218 +1 @@
 package mysql
-
-import (
-	"fmt"
-	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/utils/anyx"
-	"regexp"
-	"strings"
-	"time"
-)
-
-var (
-	// 数字类型
-	numberRegexp = regexp.MustCompile(`(?i)int|double|float|number|decimal|byte|bit`)
-	// 日期时间类型
-	datetimeRegexp = regexp.MustCompile(`(?i)datetime|timestamp`)
-	// 日期类型
-	dateRegexp = regexp.MustCompile(`(?i)date`)
-	// 时间类型
-	timeRegexp = regexp.MustCompile(`(?i)time`)
-
-	blobRegexp = regexp.MustCompile(`(?i)blob`)
-
-	//  mysql数据类型 映射 公共数据类型
-	commonColumnTypeMap = map[string]dbi.ColumnDataType{
-		"bigint":     dbi.CommonTypeBigint,
-		"binary":     dbi.CommonTypeBinary,
-		"blob":       dbi.CommonTypeBlob,
-		"char":       dbi.CommonTypeChar,
-		"datetime":   dbi.CommonTypeDatetime,
-		"date":       dbi.CommonTypeDate,
-		"decimal":    dbi.CommonTypeNumber,
-		"double":     dbi.CommonTypeNumber,
-		"enum":       dbi.CommonTypeEnum,
-		"float":      dbi.CommonTypeNumber,
-		"int":        dbi.CommonTypeInt,
-		"json":       dbi.CommonTypeJSON,
-		"longblob":   dbi.CommonTypeLongblob,
-		"longtext":   dbi.CommonTypeLongtext,
-		"mediumblob": dbi.CommonTypeBlob,
-		"mediumtext": dbi.CommonTypeMediumtext,
-		"bit":        dbi.CommonTypeBit,
-		"set":        dbi.CommonTypeVarchar,
-		"smallint":   dbi.CommonTypeSmallint,
-		"text":       dbi.CommonTypeText,
-		"time":       dbi.CommonTypeTime,
-		"timestamp":  dbi.CommonTypeTimestamp,
-		"tinyint":    dbi.CommonTypeTinyint,
-		"varbinary":  dbi.CommonTypeVarbinary,
-		"varchar":    dbi.CommonTypeVarchar,
-	}
-
-	// 公共数据类型 映射 mysql数据类型
-	mysqlColumnTypeMap = map[dbi.ColumnDataType]string{
-		dbi.CommonTypeVarchar:    "varchar",
-		dbi.CommonTypeChar:       "char",
-		dbi.CommonTypeText:       "text",
-		dbi.CommonTypeBlob:       "blob",
-		dbi.CommonTypeLongblob:   "longblob",
-		dbi.CommonTypeLongtext:   "longtext",
-		dbi.CommonTypeBinary:     "binary",
-		dbi.CommonTypeMediumblob: "blob",
-		dbi.CommonTypeMediumtext: "mediumtext",
-		dbi.CommonTypeVarbinary:  "varbinary",
-		dbi.CommonTypeInt:        "int",
-		dbi.CommonTypeBit:        "bit",
-		dbi.CommonTypeSmallint:   "smallint",
-		dbi.CommonTypeTinyint:    "tinyint",
-		dbi.CommonTypeNumber:     "decimal",
-		dbi.CommonTypeBigint:     "bigint",
-		dbi.CommonTypeDatetime:   "datetime",
-		dbi.CommonTypeDate:       "date",
-		dbi.CommonTypeTime:       "time",
-		dbi.CommonTypeTimestamp:  "timestamp",
-		dbi.CommonTypeEnum:       "enum",
-		dbi.CommonTypeJSON:       "json",
-	}
-	dataHelper   = &DataHelper{}
-	columnHelper = &ColumnHelper{}
-)
-
-func GetDataHelper() *DataHelper {
-	return dataHelper
-}
-
-type DataHelper struct {
-}
-
-func (dc *DataHelper) GetDataType(dbColumnType string) dbi.DataType {
-	if numberRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeNumber
-	}
-	// 日期时间类型
-	if datetimeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDateTime
-	}
-	// 日期类型
-	if dateRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDate
-	}
-	// 时间类型
-	if timeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeTime
-	}
-	// blob类型
-	if blobRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeBlob
-	}
-	return dbi.DataTypeString
-}
-
-func (dc *DataHelper) FormatData(dbColumnValue any, dataType dbi.DataType) string {
-	// 如果dataType是datetime而dbColumnValue是string类型，则需要根据类型格式化
-	str, ok := dbColumnValue.(string)
-	if dataType == dbi.DataTypeDateTime && ok {
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.DateTime, str)
-		if err == nil {
-			return str
-		}
-		res, _ = time.Parse(time.RFC3339, str)
-		return res.Format(time.DateTime)
-	}
-	if dataType == dbi.DataTypeDate && ok {
-		res, _ := time.Parse(time.DateOnly, str)
-		return res.Format(time.DateOnly)
-	}
-	if dataType == dbi.DataTypeTime && ok {
-		res, _ := time.Parse(time.TimeOnly, str)
-		return res.Format(time.TimeOnly)
-	}
-	return anyx.ToString(dbColumnValue)
-}
-
-func (dc *DataHelper) ParseData(dbColumnValue any, dataType dbi.DataType) any {
-	// 如果dataType是datetime而dbColumnValue是string类型，则需要转换为time.Time类型
-	_, ok := dbColumnValue.(string)
-	if ok {
-		if dataType == dbi.DataTypeDateTime {
-			res, _ := time.Parse(time.DateTime, anyx.ToString(dbColumnValue))
-			return res
-		}
-		if dataType == dbi.DataTypeDate {
-			res, _ := time.Parse(time.DateOnly, anyx.ToString(dbColumnValue))
-			return res
-		}
-		if dataType == dbi.DataTypeTime {
-			res, _ := time.Parse(time.TimeOnly, anyx.ToString(dbColumnValue))
-			return res
-		}
-	}
-	return dbColumnValue
-}
-
-func (dc *DataHelper) WrapValue(dbColumnValue any, dataType dbi.DataType) string {
-	if dbColumnValue == nil {
-		return "NULL"
-	}
-	switch dataType {
-	case dbi.DataTypeNumber:
-		return fmt.Sprintf("%v", dbColumnValue)
-	case dbi.DataTypeString:
-		val := fmt.Sprintf("%v", dbColumnValue)
-		// 转义单引号
-		val = strings.Replace(val, `'`, `''`, -1)
-		val = strings.Replace(val, `\''`, `\'`, -1)
-		// 转义换行符
-		val = strings.Replace(val, "\n", "\\n", -1)
-		return fmt.Sprintf("'%s'", val)
-	case dbi.DataTypeDate, dbi.DataTypeDateTime, dbi.DataTypeTime:
-		// mysql时间类型无需格式化
-		return fmt.Sprintf("'%s'", dbColumnValue)
-	case dbi.DataTypeBlob:
-		return fmt.Sprintf("unhex('%s')", dbColumnValue)
-	}
-	return fmt.Sprintf("'%s'", dbColumnValue)
-}
-
-type ColumnHelper struct {
-	dbi.DefaultColumnHelper
-}
-
-func (ch *ColumnHelper) ToCommonColumn(dialectColumn *dbi.Column) {
-	dataType := dialectColumn.DataType
-
-	t1 := commonColumnTypeMap[string(dataType)]
-	commonColumnType := dbi.CommonTypeVarchar
-
-	if t1 != "" {
-		commonColumnType = t1
-	}
-
-	dialectColumn.DataType = commonColumnType
-}
-
-func (ch *ColumnHelper) ToColumn(column *dbi.Column) {
-	ctype := mysqlColumnTypeMap[column.DataType]
-	if ctype == "" {
-		column.DataType = "varchar"
-		column.CharMaxLength = 1000
-	} else {
-		column.DataType = dbi.ColumnDataType(ctype)
-		ch.FixColumn(column)
-	}
-}
-
-func (ch *ColumnHelper) FixColumn(column *dbi.Column) {
-	// 如果是int整型，删除精度
-	if strings.Contains(strings.ToLower(string(column.DataType)), "int") {
-		column.NumScale = 0
-		column.CharMaxLength = 0
-	} else
-	// 如果是text，删除长度
-	if strings.Contains(strings.ToLower(string(column.DataType)), "text") {
-		column.CharMaxLength = 0
-		column.NumPrecision = 0
-	}
-}
--- a/server/internal/db/dbm/mysql/meta.go
+++ b/server/internal/db/dbm/mysql/meta.go
@@ -5,6 +5,7 @@ import (
 	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
 	"net"

 	"github.com/go-sql-driver/mysql"
@@ -12,10 +13,15 @@ import (

 func init() {
 	meta := new(Meta)
-	dbi.Register(dbi.DbTypeMysql, meta)
-	dbi.Register(dbi.DbTypeMariadb, meta)
+	dbi.Register(DbTypeMysql, meta)
+	dbi.Register(DbTypeMariadb, meta)
 }

+const (
+	DbTypeMysql   dbi.DbType = "mysql"
+	DbTypeMariadb dbi.DbType = "mariadb"
+)
+
 type Meta struct {
 }

@@ -31,7 +37,7 @@ func (mm *Meta) GetSqlDb(d *dbi.DbInfo) (*sql.DB, error) {
 		})
 	}
 	// 设置dataSourceName  -> 更多参数参考：https://github.com/go-sql-driver/mysql#dsn-data-source-name
-	dsn := fmt.Sprintf("%s:%s@%s(%s:%d)/%s?timeout=8s", d.Username, d.Password, d.Network, d.Host, d.Port, d.Database)
+	dsn := fmt.Sprintf("%s:%s@%s(%s:%d)/%s?parseTime=true&timeout=8s", d.Username, d.Password, d.Network, d.Host, d.Port, d.Database)
 	if d.Params != "" {
 		dsn = fmt.Sprintf("%s&%s", dsn, d.Params)
 	}
@@ -46,3 +52,17 @@ func (mm *Meta) GetDialect(conn *dbi.DbConn) dbi.Dialect {
 func (mm *Meta) GetMetadata(conn *dbi.DbConn) dbi.Metadata {
 	return &MysqlMetadata{dc: conn}
 }
+
+func (mm *Meta) GetDbDataTypes() []*dbi.DbDataType {
+	return collx.AsArray(
+		UnsignedBigint, Bigint, Tinyint, Smallint, Int, Bit, Float, Double, Decimal,
+		Varchar, Char, Text, Longtext, Mediumtext,
+		Datetime, Date, Time, Timestamp,
+		Enum, JSON, Set,
+		Binary, Blob, Longblob, Mediumblob, Varbinary,
+	)
+}
+
+func (mm *Meta) GetCommonTypeConverter() dbi.CommonTypeConverter {
+	return &commonTypeConverter{}
+}
--- a/server/internal/db/dbm/mysql/metadata.go
+++ b/server/internal/db/dbm/mysql/metadata.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/pkg/errorx"
-	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/stringx"
 	"strings"
@@ -54,7 +53,7 @@ func (md *MysqlMetadata) GetDbNames() ([]string, error) {
 func (md *MysqlMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 	dialect := md.dc.GetDialect()
 	names := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	var res []map[string]any
@@ -87,9 +86,8 @@ func (md *MysqlMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 // 获取列元信息, 如列名等
 func (md *MysqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 	dialect := md.dc.GetDialect()
-	columnHelper := dialect.GetColumnHelper()
 	tableName := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	_, res, err := md.dc.Query(fmt.Sprintf(dbi.GetLocalSql(MYSQL_META_FILE, MYSQL_COLUMN_MA_KEY), tableName))
@@ -103,7 +101,7 @@ func (md *MysqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 		column := dbi.Column{
 			TableName:     cast.ToString(re["tableName"]),
 			ColumnName:    cast.ToString(re["columnName"]),
-			DataType:      dbi.ColumnDataType(cast.ToString(re["dataType"])),
+			DataType:      cast.ToString(re["dataType"]),
 			ColumnComment: cast.ToString(re["columnComment"]),
 			Nullable:      cast.ToString(re["nullable"]) == "YES",
 			IsPrimaryKey:  cast.ToInt(re["isPrimaryKey"]) == 1,
@@ -114,7 +112,7 @@ func (md *MysqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 			NumScale:      cast.ToInt(re["numScale"]),
 		}

-		columnHelper.FixColumn(&column)
+		md.dc.GetDbDataType(column.DataType).FixColumn(&column)
 		columns = append(columns, column)
 	}
 	return columns, nil
@@ -156,6 +154,7 @@ func (md *MysqlMetadata) GetTableIndex(tableName string) ([]dbi.Index, error) {
 			IsUnique:     cast.ToInt(re["isUnique"]) == 1,
 			SeqInIndex:   cast.ToInt(re["seqInIndex"]),
 			IsPrimaryKey: cast.ToInt(re["isPrimaryKey"]) == 1,
+			Extra:        collx.Kvs(IndexSubPartKey, cast.ToInt(re[IndexSubPartKey])),
 		})
 	}
 	// 把查询结果以索引名分组，索引字段以逗号连接
@@ -179,34 +178,7 @@ func (md *MysqlMetadata) GetTableIndex(tableName string) ([]dbi.Index, error) {

 // 获取建表ddl
 func (md *MysqlMetadata) GetTableDDL(tableName string, dropBeforeCreate bool) (string, error) {
-	// 1.获取表信息
-	tbs, err := md.GetTables(tableName)
-	tableInfo := &dbi.Table{}
-	if err != nil || tbs == nil || len(tbs) <= 0 {
-		logx.Errorf("获取表信息失败, %s", tableName)
-		return "", err
-	}
-	tableInfo.TableName = tbs[0].TableName
-	tableInfo.TableComment = tbs[0].TableComment
-
-	// 2.获取列信息
-	columns, err := md.GetColumns(tableName)
-	if err != nil {
-		logx.Errorf("获取列信息失败, %s", tableName)
-		return "", err
-	}
-
-	dialect := md.dc.GetDialect()
-	tableDDLArr := dialect.GenerateTableDDL(columns, *tableInfo, dropBeforeCreate)
-	// 3.获取索引信息
-	indexs, err := md.GetTableIndex(tableName)
-	if err != nil {
-		logx.Errorf("获取索引信息失败, %s", tableName)
-		return "", err
-	}
-	// 组装返回
-	tableDDLArr = append(tableDDLArr, dialect.GenerateIndexDDL(indexs, *tableInfo)...)
-	return strings.Join(tableDDLArr, ";\n"), nil
+	return dbi.GenTableDDL(md.dc.GetDialect(), md, tableName, dropBeforeCreate)
 }

 func (md *MysqlMetadata) GetSchemas() ([]string, error) {
--- a/server/internal/db/dbm/mysql/program.go
+++ b/server/internal/db/dbm/mysql/program.go
@@ -56,9 +56,9 @@ func (svc *DbProgramMysql) getMysqlBin() *config.MysqlBin {
 	dbInfo := svc.dbInfo()
 	var mysqlBin *config.MysqlBin
 	switch dbInfo.Type {
-	case dbi.DbTypeMariadb:
+	case DbTypeMariadb:
 		mysqlBin = config.GetMysqlBin(config.ConfigKeyDbMariadbBin)
-	case dbi.DbTypeMysql:
+	case DbTypeMysql:
 		mysqlBin = config.GetMysqlBin(config.ConfigKeyDbMysqlBin)
 	default:
 		panic(fmt.Sprintf("不兼容 MySQL 的数据库类型: %v", dbInfo.Type))
--- a/server/internal/db/dbm/mysql/sqlgen.go
+++ b/server/internal/db/dbm/mysql/sqlgen.go
@@ -0,0 +1,147 @@
+package mysql
+
+import (
+	"fmt"
+	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
+	"strings"
+
+	"github.com/may-fly/cast"
+)
+
+type SQLGenerator struct {
+	Dialect dbi.Dialect
+}
+
+func (msg *SQLGenerator) GenTableDDL(table dbi.Table, columns []dbi.Column, dropBeforeCreate bool) []string {
+	sqlArr := make([]string, 0)
+	quoter := msg.Dialect.Quoter()
+
+	if dropBeforeCreate {
+		sqlArr = append(sqlArr, fmt.Sprintf("DROP TABLE IF EXISTS %s", quoter.Quote(table.TableName)))
+	}
+
+	// 组装建表语句
+	createSql := fmt.Sprintf("CREATE TABLE %s (\n", quoter.Quote(table.TableName))
+	fields := make([]string, 0)
+	pks := make([]string, 0)
+
+	for _, column := range columns {
+		if column.IsPrimaryKey {
+			pks = append(pks, column.ColumnName)
+		}
+		fields = append(fields, msg.genColumnBasicSql(quoter, column))
+	}
+
+	// 建表ddl
+	createSql += strings.Join(fields, ",\n")
+	if len(pks) > 0 {
+		createSql += fmt.Sprintf(", \nPRIMARY KEY (%s)", strings.Join(pks, ","))
+	}
+	createSql += "\n)"
+
+	// 表注释
+	if table.TableComment != "" {
+		createSql += fmt.Sprintf(" COMMENT '%s'", dbi.QuoteEscape(table.TableComment))
+	}
+
+	sqlArr = append(sqlArr, createSql)
+
+	return sqlArr
+}
+
+func (msg *SQLGenerator) GenIndexDDL(table dbi.Table, indexs []dbi.Index) []string {
+	sqlArr := make([]string, 0)
+	quoter := msg.Dialect.Quoter()
+
+	for _, index := range indexs {
+		unique := ""
+		if index.IsUnique {
+			unique = "unique"
+		}
+		// 取出列名，添加引号
+		colNames := quoter.Quotes(strings.Split(index.ColumnName, ","))
+
+		// 暂时先处理单个索引的情况，多个涉及获取索引时的合并等，以及前端调整等，后续完善
+		if subPart := cast.ToInt(index.Extra[IndexSubPartKey]); subPart > 0 && len(colNames) == 1 {
+			colNames[0] = fmt.Sprintf("%s(%d)", colNames[0], subPart)
+		}
+
+		sqlTmp := "ALTER TABLE %s ADD %s INDEX %s(%s) USING %s"
+		sqlStr := fmt.Sprintf(sqlTmp, quoter.Quote(table.TableName), unique, quoter.Quote(index.IndexName), strings.Join(colNames, ","), index.IndexType)
+		comment := dbi.QuoteEscape(index.IndexComment)
+		if comment != "" {
+			sqlStr += fmt.Sprintf(" COMMENT '%s'", comment)
+		}
+		sqlArr = append(sqlArr, sqlStr)
+	}
+
+	return sqlArr
+}
+
+func (msg *SQLGenerator) GenInsert(tableName string, columns []dbi.Column, values [][]any, duplicateStrategy int) []string {
+	if duplicateStrategy == dbi.DuplicateStrategyNone {
+		return collx.AsArray(dbi.GenCommonInsert(msg.Dialect, DbTypeMysql, tableName, columns, values))
+	}
+
+	prefix := "insert ignore into"
+	if duplicateStrategy == dbi.DuplicateStrategyUpdate {
+		prefix = "replace into"
+	}
+
+	quote := msg.Dialect.Quoter().Quote
+	columnStr, valuesStrs := dbi.GenInsertSqlColumnAndValues(msg.Dialect, DbTypeMysql, columns, values)
+
+	return collx.AsArray[string](fmt.Sprintf("%s %s %s VALUES \n%s", prefix, quote(tableName), columnStr, strings.Join(valuesStrs, ",\n")))
+}
+
+func (msg *SQLGenerator) genColumnBasicSql(quoter dbi.Quoter, column dbi.Column) string {
+	dataType := string(column.DataType)
+
+	incr := ""
+	if column.IsIdentity {
+		incr = " AUTO_INCREMENT"
+	}
+
+	nullAble := ""
+	if !column.Nullable {
+		nullAble = " NOT NULL"
+	}
+	columnType := column.GetColumnType()
+	if nullAble == "" && strings.Contains(columnType, "timestamp") {
+		nullAble = " NULL"
+	}
+
+	defVal := "" // 默认值需要判断引号，如函数是不需要引号的
+	if column.ColumnDefault != "" &&
+		// 当默认值是字符串'NULL'时，不需要设置默认值
+		column.ColumnDefault != "NULL" &&
+		// 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
+		!strings.Contains(column.ColumnDefault, "(") {
+		// 哪些字段类型默认值需要加引号
+		mark := false
+		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, strings.ToLower(dataType)) {
+			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
+			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) &&
+				collx.ArrayAnyMatches([]string{"DATE", "TIME"}, strings.ToUpper(column.ColumnDefault)) {
+				mark = false
+			} else {
+				mark = true
+			}
+		}
+		if mark {
+			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
+		} else {
+			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
+		}
+	}
+	comment := ""
+	if column.ColumnComment != "" {
+		// 防止注释内含有特殊字符串导致sql出错
+		commentStr := dbi.QuoteEscape(column.ColumnComment)
+		comment = fmt.Sprintf(" COMMENT '%s'", commentStr)
+	}
+
+	columnSql := fmt.Sprintf(" %s %s%s%s%s%s", quoter.Quote(column.ColumnName), columnType, nullAble, incr, defVal, comment)
+	return columnSql
+}
--- a/server/internal/db/dbm/mysql/transfer.go
+++ b/server/internal/db/dbm/mysql/transfer.go
@@ -0,0 +1,108 @@
+package mysql
+
+import "mayfly-go/internal/db/dbm/dbi"
+
+var _ dbi.CommonTypeConverter = (*commonTypeConverter)(nil)
+
+type commonTypeConverter struct {
+}
+
+func (c *commonTypeConverter) Varchar(col *dbi.Column) *dbi.DbDataType {
+	// 如果字符长度大于16383，则转为text类型
+	if col.CharMaxLength > 16383 {
+		col.CharMaxLength = 0
+		return Text
+	}
+	return Varchar
+}
+
+func (c *commonTypeConverter) Char(col *dbi.Column) *dbi.DbDataType {
+	return Char
+}
+func (c *commonTypeConverter) Text(col *dbi.Column) *dbi.DbDataType {
+	col.CharMaxLength = 0
+	col.NumPrecision = 0
+	return Text
+}
+func (c *commonTypeConverter) Mediumtext(col *dbi.Column) *dbi.DbDataType {
+	col.CharMaxLength = 0
+	col.NumPrecision = 0
+	return Mediumtext
+}
+func (c *commonTypeConverter) Longtext(col *dbi.Column) *dbi.DbDataType {
+	col.CharMaxLength = 0
+	col.NumPrecision = 0
+	return Longtext
+}
+
+func (c *commonTypeConverter) Bit(col *dbi.Column) *dbi.DbDataType {
+	return Bit
+}
+func (c *commonTypeConverter) Int1(col *dbi.Column) *dbi.DbDataType {
+	return Tinyint
+}
+func (c *commonTypeConverter) Int2(col *dbi.Column) *dbi.DbDataType {
+	return Smallint
+}
+func (c *commonTypeConverter) Int4(col *dbi.Column) *dbi.DbDataType {
+	return Int
+}
+func (c *commonTypeConverter) Int8(col *dbi.Column) *dbi.DbDataType {
+	return Bigint
+}
+func (c *commonTypeConverter) Numeric(col *dbi.Column) *dbi.DbDataType {
+	return Double
+}
+
+func (c *commonTypeConverter) Decimal(col *dbi.Column) *dbi.DbDataType {
+	return Decimal
+}
+
+func (c *commonTypeConverter) UnsignedInt8(col *dbi.Column) *dbi.DbDataType {
+	return UnsignedBigint
+}
+func (c *commonTypeConverter) UnsignedInt4(col *dbi.Column) *dbi.DbDataType {
+	return UnsignedInt
+}
+func (c *commonTypeConverter) UnsignedInt2(col *dbi.Column) *dbi.DbDataType {
+	return UnsignedMediumint
+}
+func (c *commonTypeConverter) UnsignedInt1(col *dbi.Column) *dbi.DbDataType {
+	return UnsignedSmallint
+}
+
+func (c *commonTypeConverter) Date(col *dbi.Column) *dbi.DbDataType {
+	return Date
+}
+func (c *commonTypeConverter) Time(col *dbi.Column) *dbi.DbDataType {
+	return Time
+}
+func (c *commonTypeConverter) Datetime(col *dbi.Column) *dbi.DbDataType {
+	return Datetime
+}
+func (c *commonTypeConverter) Timestamp(col *dbi.Column) *dbi.DbDataType {
+	return Timestamp
+}
+
+func (c *commonTypeConverter) Binary(col *dbi.Column) *dbi.DbDataType {
+	return Binary
+}
+func (c *commonTypeConverter) Varbinary(col *dbi.Column) *dbi.DbDataType {
+	return Varbinary
+}
+func (c *commonTypeConverter) Mediumblob(col *dbi.Column) *dbi.DbDataType {
+	return Mediumblob
+}
+func (c *commonTypeConverter) Blob(col *dbi.Column) *dbi.DbDataType {
+	return Blob
+}
+func (c *commonTypeConverter) Longblob(col *dbi.Column) *dbi.DbDataType {
+	return Longblob
+}
+
+func (c *commonTypeConverter) Enum(col *dbi.Column) *dbi.DbDataType {
+	return Enum
+}
+func (c *commonTypeConverter) JSON(col *dbi.Column) *dbi.DbDataType {
+	return JSON
+}
--- a/server/internal/db/dbm/oracle/column.go
+++ b/server/internal/db/dbm/oracle/column.go
@@ -0,0 +1,45 @@
+package oracle
+
+import (
+	"fmt"
+	"mayfly-go/internal/db/dbm/dbi"
+)
+
+var (
+	DTOracleDate = dbi.DTDateTime.Copy().WithSQLValue(func(val any) string {
+		// oracle date型需要用函数包裹：to_date('%s', 'yyyy-mm-dd hh24:mi:ss')
+		return fmt.Sprintf("to_date('%s', 'yyyy-mm-dd hh24:mi:ss')", val)
+	})
+)
+
+var (
+	CHAR      = dbi.NewDbDataType("CHAR", dbi.DTString).WithCT(dbi.CTChar)
+	NCHAR     = dbi.NewDbDataType("NCHAR", dbi.DTString).WithCT(dbi.CTChar)
+	VARCHAR2  = dbi.NewDbDataType("VARCHAR2", dbi.DTString).WithCT(dbi.CTVarchar)
+	NVARCHAR2 = dbi.NewDbDataType("NVARCHAR2", dbi.DTString).WithCT(dbi.CTVarchar)
+
+	TEXT          = dbi.NewDbDataType("TEXT", dbi.DTString).WithCT(dbi.CTText)
+	LONG          = dbi.NewDbDataType("LONG", dbi.DTString).WithCT(dbi.CTText)
+	LONGVARCHAR   = dbi.NewDbDataType("LONGVARCHAR", dbi.DTString).WithCT(dbi.CTLongtext)
+	IMAGE         = dbi.NewDbDataType("IMAGE", dbi.DTString).WithCT(dbi.CTLongtext)
+	LONGVARBINARY = dbi.NewDbDataType("LONGVARBINARY", dbi.DTString).WithCT(dbi.CTLongtext)
+	CLOB          = dbi.NewDbDataType("CLOB", dbi.DTString).WithCT(dbi.CTLongtext)
+
+	BLOB = dbi.NewDbDataType("BLOB", dbi.DTBytes).WithCT(dbi.CTBlob)
+
+	DECIMAL  = dbi.NewDbDataType("DECIMAL", dbi.DTDecimal).WithCT(dbi.CTDecimal)
+	NUMBER   = dbi.NewDbDataType("NUMBER", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	INTEGER  = dbi.NewDbDataType("INTEGER", dbi.DTInt32).WithCT(dbi.CTInt4)
+	INT      = dbi.NewDbDataType("INT", dbi.DTInt32).WithCT(dbi.CTInt4)
+	BIGINT   = dbi.NewDbDataType("BIGINT", dbi.DTInt64).WithCT(dbi.CTInt8)
+	TINYINT  = dbi.NewDbDataType("TINYINT", dbi.DTInt8).WithCT(dbi.CTInt1)
+	BYTE     = dbi.NewDbDataType("BYTE", dbi.DTInt8).WithCT(dbi.CTInt1)
+	SMALLINT = dbi.NewDbDataType("SMALLINT", dbi.DTInt16).WithCT(dbi.CTInt2)
+	BIT      = dbi.NewDbDataType("BIT", dbi.DTBit).WithCT(dbi.CTBit)
+	DOUBLE   = dbi.NewDbDataType("DOUBLE", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	FLOAT    = dbi.NewDbDataType("FLOAT", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+
+	TIME      = dbi.NewDbDataType("TIME", DTOracleDate).WithCT(dbi.CTTime)
+	DATE      = dbi.NewDbDataType("DATE", DTOracleDate).WithCT(dbi.CTDate)
+	TIMESTAMP = dbi.NewDbDataType("TIMESTAMP", DTOracleDate).WithCT(dbi.CTTimestamp)
+)
--- a/server/internal/db/dbm/oracle/dialect.go
+++ b/server/internal/db/dbm/oracle/dialect.go
@@ -59,6 +59,8 @@ func (od *OracleDialect) batchInsertSimple(tableName string, columns []string, v
 			ignore = fmt.Sprintf("/*+ IGNORE_ROW_ON_DUPKEY_INDEX(%s(%s)) */", tableName, strings.Join(arr, ","))
 		}
 	}
+
+	quote := od.Quoter().Quote
 	effRows := 0
 	for _, value := range values {
 		// 拼接带占位符的sql oracle的占位符是:1,:2,:3....
@@ -66,7 +68,7 @@ func (od *OracleDialect) batchInsertSimple(tableName string, columns []string, v
 		for i := 0; i < len(value); i++ {
 			placeholder = append(placeholder, fmt.Sprintf(":%d", i+1))
 		}
-		sqlTemp := fmt.Sprintf("INSERT %s INTO %s (%s) VALUES (%s)", ignore, od.QuoteIdentifier(tableName), strings.Join(columns, ","), strings.Join(placeholder, ","))
+		sqlTemp := fmt.Sprintf("INSERT %s INTO %s (%s) VALUES (%s)", ignore, quote(tableName), strings.Join(columns, ","), strings.Join(placeholder, ","))

 		// oracle数据库为了兼容ignore主键冲突，只能一条条的执行insert
 		res, err := od.dc.TxExec(tx, sqlTemp, value...)
@@ -83,6 +85,7 @@ func (od *OracleDialect) batchInsertMergeSql(tableName string, columns []string,
 	uniqueCols := make([]string, 0)
 	caseSqls := make([]string, 0)
 	metadata := od.dc.GetMetadata()
+	quote := od.Quoter().Quote
 	// 查询唯一索引涉及到的字段，并组装到match条件内
 	indexs, _ := metadata.GetTableIndex(tableName)
 	if indexs != nil {
@@ -94,7 +97,7 @@ func (od *OracleDialect) batchInsertMergeSql(tableName string, columns []string,
 					if !collx.ArrayContains(uniqueCols, col) {
 						uniqueCols = append(uniqueCols, col)
 					}
-					tmp = append(tmp, fmt.Sprintf(" T1.%s = T2.%s ", od.QuoteIdentifier(col), od.QuoteIdentifier(col)))
+					tmp = append(tmp, fmt.Sprintf(" T1.%s = T2.%s ", quote(col), quote(col)))
 				}
 				caseSqls = append(caseSqls, fmt.Sprintf("( %s )", strings.Join(tmp, " AND ")))
 			}
@@ -110,8 +113,9 @@ func (od *OracleDialect) batchInsertMergeSql(tableName string, columns []string,
 	insertVals := make([]string, 0)
 	upds := make([]string, 0)
 	insertCols := make([]string, 0)
+	quoteTrim := od.Quoter().Trim
 	for _, column := range columns {
-		if !collx.ArrayContains(uniqueCols, od.RemoveQuote(column)) {
+		if !collx.ArrayContains(uniqueCols, quoteTrim(column)) {
 			upds = append(upds, fmt.Sprintf("T1.%s = T2.%s", column, column))
 		}
 		insertCols = append(insertCols, fmt.Sprintf("T1.%s", column))
@@ -132,7 +136,7 @@ func (od *OracleDialect) batchInsertMergeSql(tableName string, columns []string,

 	t2 := strings.Join(t2s, " UNION ALL ")

-	sqlTemp := "MERGE INTO " + od.QuoteIdentifier(tableName) + " T1 USING (" + t2 + ") T2 ON (" + strings.Join(caseSqls, " OR ") + ") "
+	sqlTemp := "MERGE INTO " + quote(tableName) + " T1 USING (" + t2 + ") T2 ON (" + strings.Join(caseSqls, " OR ") + ") "
 	sqlTemp += "WHEN NOT MATCHED THEN INSERT (" + strings.Join(insertCols, ",") + ") VALUES (" + strings.Join(insertVals, ",") + ") "
 	sqlTemp += "WHEN MATCHED THEN UPDATE SET " + strings.Join(upds, ",")

@@ -157,7 +161,8 @@ func (od *OracleDialect) CopyTable(copy *dbi.DbCopyTable) error {

 // 获取建表ddl
 func (od *OracleDialect) GenerateTableDDL(columns []dbi.Column, tableInfo dbi.Table, dropBeforeCreate bool) []string {
-	quoteTableName := od.QuoteIdentifier(tableInfo.TableName)
+	quote := od.Quoter().Quote
+	quoteTableName := quote(tableInfo.TableName)
 	sqlArr := make([]string, 0)

 	if dropBeforeCreate {
@@ -181,13 +186,13 @@ end`
 	// 把通用类型转换为达梦类型
 	for _, column := range columns {
 		if column.IsPrimaryKey {
-			pks = append(pks, od.QuoteIdentifier(column.ColumnName))
+			pks = append(pks, quote(column.ColumnName))
 		}
 		fields = append(fields, od.genColumnBasicSql(column))
 		// 防止注释内含有特殊字符串导致sql出错
 		if column.ColumnComment != "" {
-			comment := od.QuoteEscape(column.ColumnComment)
-			columnComments = append(columnComments, fmt.Sprintf("COMMENT ON COLUMN %s.%s IS '%s'", quoteTableName, od.QuoteIdentifier(column.ColumnName), comment))
+			comment := dbi.QuoteEscape(column.ColumnComment)
+			columnComments = append(columnComments, fmt.Sprintf("COMMENT ON COLUMN %s.%s IS '%s'", quoteTableName, quote(column.ColumnName), comment))
 		}
 	}

@@ -202,7 +207,7 @@ end`
 	// 表注释
 	tableCommentSql := ""
 	if tableInfo.TableComment != "" {
-		tableCommentSql = fmt.Sprintf("COMMENT ON TABLE %s is '%s'", od.QuoteIdentifier(tableInfo.TableName), od.QuoteEscape(tableInfo.TableComment))
+		tableCommentSql = fmt.Sprintf("COMMENT ON TABLE %s is '%s'", quote(tableInfo.TableName), dbi.QuoteEscape(tableInfo.TableComment))
 		sqlArr = append(sqlArr, tableCommentSql)
 	}

@@ -222,7 +227,7 @@ end`
 func (od *OracleDialect) GenerateIndexDDL(indexs []dbi.Index, tableInfo dbi.Table) []string {
 	sqls := make([]string, 0)
 	comments := make([]string, 0)
-
+	quote := od.Quoter().Quote
 	for _, index := range indexs {
 		unique := ""
 		if index.IsUnique {
@@ -233,10 +238,10 @@ func (od *OracleDialect) GenerateIndexDDL(indexs []dbi.Index, tableInfo dbi.Tabl
 		cols := strings.Split(index.ColumnName, ",")
 		colNames := make([]string, len(cols))
 		for i, name := range cols {
-			colNames[i] = od.QuoteIdentifier(name)
+			colNames[i] = quote(name)
 		}

-		sqls = append(sqls, fmt.Sprintf("CREATE %s INDEX %s ON %s(%s)", unique, od.QuoteIdentifier(index.IndexName), od.QuoteIdentifier(tableInfo.TableName), strings.Join(colNames, ",")))
+		sqls = append(sqls, fmt.Sprintf("CREATE %s INDEX %s ON %s(%s)", unique, quote(index.IndexName), quote(tableInfo.TableName), strings.Join(colNames, ",")))
 	}

 	sqlArr := make([]string, 0)
@@ -255,16 +260,15 @@ func (od *OracleDialect) GenerateTableOtherDDL(tableInfo dbi.Table, quoteTableNa
 	return nil
 }

-func (od *OracleDialect) GetDataHelper() dbi.DataHelper {
-	return dataHelper
-}
-
-func (od *OracleDialect) GetColumnHelper() dbi.ColumnHelper {
-	return columnHelper
+func (od *OracleDialect) GetSQLGenerator() dbi.SQLGenerator {
+	return &SQLGenerator{
+		Dialect:  od,
+		Metadata: od.dc.GetMetadata(),
+	}
 }

 func (od *OracleDialect) genColumnBasicSql(column dbi.Column) string {
-	colName := od.QuoteIdentifier(column.ColumnName)
+	colName := od.Quoter().Quote(column.ColumnName)

 	if column.IsIdentity {
 		// 如果是自增，不需要设置默认值和空值，自增列数据类型必须是number
--- a/server/internal/db/dbm/oracle/helper.go
+++ b/server/internal/db/dbm/oracle/helper.go
@@ -1,174 +1,16 @@
 package oracle

 import (
-	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/utils/anyx"
 	"mayfly-go/pkg/utils/collx"
-	"regexp"
 	"strings"
-	"time"
-
-	"github.com/may-fly/cast"
 )

 var (
-	// 数字类型
-	numberTypeRegexp = regexp.MustCompile(`(?i)int|double|float|number|decimal|byte|bit`)
-	dateTimeReg      = regexp.MustCompile(`^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$`)
-	dateTimeIsoReg   = regexp.MustCompile(`^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.*$`)
-
-	// 日期时间类型
-	datetimeTypeRegexp = regexp.MustCompile(`(?i)date|timestamp`)
-
-	// oracle数据类型 映射 公共数据类型
-	commonColumnTypeMap = map[string]dbi.ColumnDataType{
-		"CHAR":          dbi.CommonTypeChar,
-		"NCHAR":         dbi.CommonTypeChar,
-		"VARCHAR2":      dbi.CommonTypeVarchar,
-		"NVARCHAR2":     dbi.CommonTypeVarchar,
-		"NUMBER":        dbi.CommonTypeNumber,
-		"INTEGER":       dbi.CommonTypeInt,
-		"INT":           dbi.CommonTypeInt,
-		"DECIMAL":       dbi.CommonTypeNumber,
-		"FLOAT":         dbi.CommonTypeNumber,
-		"REAL":          dbi.CommonTypeNumber,
-		"BINARY_FLOAT":  dbi.CommonTypeNumber,
-		"BINARY_DOUBLE": dbi.CommonTypeNumber,
-		"DATE":          dbi.CommonTypeDate,
-		"TIMESTAMP":     dbi.CommonTypeDatetime,
-		"LONG":          dbi.CommonTypeLongtext,
-		"BLOB":          dbi.CommonTypeLongtext,
-		"CLOB":          dbi.CommonTypeLongtext,
-		"NCLOB":         dbi.CommonTypeLongtext,
-		"BFILE":         dbi.CommonTypeBinary,
-	}
-
-	// 公共数据类型 映射 oracle数据类型
-	oracleColumnTypeMap = map[dbi.ColumnDataType]string{
-		dbi.CommonTypeVarchar:    "NVARCHAR2",
-		dbi.CommonTypeChar:       "NCHAR",
-		dbi.CommonTypeText:       "CLOB",
-		dbi.CommonTypeBlob:       "CLOB",
-		dbi.CommonTypeLongblob:   "CLOB",
-		dbi.CommonTypeLongtext:   "CLOB",
-		dbi.CommonTypeBinary:     "BFILE",
-		dbi.CommonTypeMediumblob: "CLOB",
-		dbi.CommonTypeMediumtext: "CLOB",
-		dbi.CommonTypeVarbinary:  "BFILE",
-		dbi.CommonTypeInt:        "INT",
-		dbi.CommonTypeSmallint:   "INT",
-		dbi.CommonTypeTinyint:    "INT",
-		dbi.CommonTypeNumber:     "NUMBER",
-		dbi.CommonTypeBigint:     "NUMBER",
-		dbi.CommonTypeDatetime:   "DATE",
-		dbi.CommonTypeDate:       "DATE",
-		dbi.CommonTypeTime:       "DATE",
-		dbi.CommonTypeTimestamp:  "TIMESTAMP",
-		dbi.CommonTypeEnum:       "CLOB",
-		dbi.CommonTypeJSON:       "CLOB",
-	}
-
-	dataHelper   = &DataHelper{}
 	columnHelper = &ColumnHelper{}
 )

-func GetDataHelper() *DataHelper {
-	return dataHelper
-}
-
-type DataHelper struct {
-}
-
-func (dc *DataHelper) GetDataType(dbColumnType string) dbi.DataType {
-	if numberTypeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeNumber
-	}
-	// 日期时间类型
-	if datetimeTypeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDateTime
-	}
-	return dbi.DataTypeString
-}
-
-func (dc *DataHelper) FormatData(dbColumnValue any, dataType dbi.DataType) string {
-	str := anyx.ToString(dbColumnValue)
-	if dateTimeReg.MatchString(str) || dateTimeIsoReg.MatchString(str) {
-		dataType = dbi.DataTypeDateTime
-	}
-	switch dataType {
-	// oracle把日期类型数据格式化输出
-	case dbi.DataTypeDateTime: // "2024-01-02T22:08:22.275697+08:00"
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.DateTime, str)
-		if err == nil {
-			return str
-		}
-		res, _ = time.Parse(time.RFC3339, str)
-		return res.Format(time.DateTime)
-	}
-	return str
-}
-
-func (dc *DataHelper) ParseData(dbColumnValue any, dataType dbi.DataType) any {
-	// oracle把日期类型的数据转化为time类型
-	if dataType == dbi.DataTypeDateTime {
-		res, _ := time.Parse(time.RFC3339, cast.ToString(dbColumnValue))
-		return res
-	}
-	return dbColumnValue
-}
-
-func (dc *DataHelper) WrapValue(dbColumnValue any, dataType dbi.DataType) string {
-	if dbColumnValue == nil {
-		return "NULL"
-	}
-	switch dataType {
-	case dbi.DataTypeNumber:
-		return fmt.Sprintf("%v", dbColumnValue)
-	case dbi.DataTypeString:
-		val := fmt.Sprintf("%v", dbColumnValue)
-		// 转义单引号
-		val = strings.Replace(val, `'`, `''`, -1)
-		val = strings.Replace(val, `\''`, `\'`, -1)
-		// 转义换行符
-		val = strings.Replace(val, "\n", "\\n", -1)
-		return fmt.Sprintf("'%s'", val)
-	case dbi.DataTypeDate, dbi.DataTypeDateTime, dbi.DataTypeTime:
-		return fmt.Sprintf("to_date('%s', 'yyyy-mm-dd hh24:mi:ss')", dc.FormatData(dbColumnValue, dataType))
-	}
-	return fmt.Sprintf("'%s'", dbColumnValue)
-}
-
 type ColumnHelper struct {
-	dbi.DefaultColumnHelper
-}
-
-func (ch *ColumnHelper) ToCommonColumn(dialectColumn *dbi.Column) {
-	// 翻译为通用数据库类型
-	dataType := dialectColumn.DataType
-	t1 := commonColumnTypeMap[string(dataType)]
-	if t1 == "" {
-		dialectColumn.DataType = dbi.CommonTypeVarchar
-		dialectColumn.CharMaxLength = 2000
-	} else {
-		dialectColumn.DataType = t1
-		// 如果是number类型，需要根据公共类型加上长度, 如 bigint 需要转换为number(19,0)
-		if strings.Contains(string(t1), "NUMBER") {
-			dialectColumn.CharMaxLength = 19
-		}
-	}
-}
-
-func (ch *ColumnHelper) ToColumn(commonColumn *dbi.Column) {
-	ctype := oracleColumnTypeMap[commonColumn.DataType]
-	if ctype == "" {
-		commonColumn.DataType = "NVARCHAR2"
-		commonColumn.CharMaxLength = 2000
-	} else {
-		commonColumn.DataType = dbi.ColumnDataType(ctype)
-		ch.FixColumn(commonColumn)
-	}
 }

 func (ch *ColumnHelper) FixColumn(column *dbi.Column) {
--- a/server/internal/db/dbm/oracle/meta.go
+++ b/server/internal/db/dbm/oracle/meta.go
@@ -4,6 +4,7 @@ import (
 	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/jsonx"
 	"strings"

@@ -12,11 +13,12 @@ import (
 )

 func init() {
-	dbi.Register(dbi.DbTypeOracle, new(Meta))
+	dbi.Register(DbTypeOracle, new(Meta))
 }

 const (
 	DbVersionOracle11 dbi.DbVersion = "11"
+	DbTypeOracle      dbi.DbType    = "oracle"
 )

 type Meta struct {
@@ -114,3 +116,37 @@ func (om *Meta) GetMetadata(conn *dbi.DbConn) dbi.Metadata {
 	}
 	return &OracleMetadata{dc: conn}
 }
+
+func (sm *Meta) GetDbDataTypes() []*dbi.DbDataType {
+	return collx.AsArray[*dbi.DbDataType](
+		CHAR,
+		NCHAR,
+		VARCHAR2,
+		NVARCHAR2,
+		TEXT,
+		LONG,
+		LONGVARCHAR,
+		IMAGE,
+		LONGVARBINARY,
+		CLOB,
+		BLOB,
+		DECIMAL,
+		NUMBER,
+		INTEGER,
+		INT,
+		BIGINT,
+		TINYINT,
+		BYTE,
+		SMALLINT,
+		BIT,
+		DOUBLE,
+		FLOAT,
+		TIME,
+		DATE,
+		TIMESTAMP,
+	)
+}
+
+func (mm *Meta) GetCommonTypeConverter() dbi.CommonTypeConverter {
+	return &commonTypeConverter{}
+}
--- a/server/internal/db/dbm/oracle/metadata.go
+++ b/server/internal/db/dbm/oracle/metadata.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/pkg/errorx"
-	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/stringx"
 	"strings"
@@ -61,7 +60,7 @@ func (od *OracleMetadata) GetDbNames() ([]string, error) {
 func (od *OracleMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 	dialect := od.dc.GetDialect()
 	names := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	var res []map[string]any
@@ -95,7 +94,7 @@ func (od *OracleMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 func (od *OracleMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 	dialect := od.dc.GetDialect()
 	tableName := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	// 如果表数量超过了1000，需要分批查询
@@ -121,13 +120,12 @@ func (od *OracleMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 		return nil, err
 	}

-	columnHelper := dialect.GetColumnHelper()
 	columns := make([]dbi.Column, 0)
 	for _, re := range res {
 		column := dbi.Column{
 			TableName:     cast.ToString(re["TABLE_NAME"]),
 			ColumnName:    cast.ToString(re["COLUMN_NAME"]),
-			DataType:      dbi.ColumnDataType(cast.ToString(re["DATA_TYPE"])),
+			DataType:      cast.ToString(re["DATA_TYPE"]),
 			CharMaxLength: cast.ToInt(re["CHAR_MAX_LENGTH"]),
 			ColumnComment: cast.ToString(re["COLUMN_COMMENT"]),
 			Nullable:      cast.ToString(re["NULLABLE"]) == "YES",
@@ -138,7 +136,7 @@ func (od *OracleMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 			NumScale:      cast.ToInt(re["NUM_SCALE"]),
 		}

-		columnHelper.FixColumn(&column)
+		od.dc.GetDbDataType(column.DataType).FixColumn(&column)
 		columns = append(columns, column)
 	}
 	return columns, nil
@@ -201,33 +199,7 @@ func (od *OracleMetadata) GetTableIndex(tableName string) ([]dbi.Index, error) {

 // 获取建表ddl
 func (od *OracleMetadata) GetTableDDL(tableName string, dropBeforeCreate bool) (string, error) {
-	dialect := od.dc.GetDialect()
-	// 1.获取表信息
-	tbs, err := od.GetTables(tableName)
-	tableInfo := &dbi.Table{}
-	if err != nil || tbs == nil || len(tbs) <= 0 {
-		logx.Errorf("获取表信息失败, %s", tableName)
-		return "", err
-	}
-	tableInfo.TableName = tbs[0].TableName
-	tableInfo.TableComment = tbs[0].TableComment
-
-	// 2.获取列信息
-	columns, err := od.GetColumns(tableName)
-	if err != nil {
-		logx.Errorf("获取列信息失败, %s", tableName)
-		return "", err
-	}
-	tableDDLArr := dialect.GenerateTableDDL(columns, *tableInfo, dropBeforeCreate)
-	// 3.获取索引信息
-	indexs, err := od.GetTableIndex(tableName)
-	if err != nil {
-		logx.Errorf("获取索引信息失败, %s", tableName)
-		return "", err
-	}
-	// 组装返回
-	tableDDLArr = append(tableDDLArr, dialect.GenerateIndexDDL(indexs, *tableInfo)...)
-	return strings.Join(tableDDLArr, ";\n"), nil
+	return dbi.GenTableDDL(od.dc.GetDialect(), od, tableName, dropBeforeCreate)
 }

 // 获取DM当前连接的库可访问的schemaNames
--- a/server/internal/db/dbm/oracle/metadata11.go
+++ b/server/internal/db/dbm/oracle/metadata11.go
@@ -21,7 +21,7 @@ type OracleMetadata11 struct {
 func (od *OracleMetadata11) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 	dialect := od.dc.GetDialect()
 	tableName := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	// 如果表数量超过了1000，需要分批查询
@@ -47,13 +47,12 @@ func (od *OracleMetadata11) GetColumns(tableNames ...string) ([]dbi.Column, erro
 		return nil, err
 	}

-	columnHelper := dialect.GetColumnHelper()
 	columns := make([]dbi.Column, 0)
 	for _, re := range res {
 		column := dbi.Column{
 			TableName:     cast.ToString(re["TABLE_NAME"]),
 			ColumnName:    cast.ToString(re["COLUMN_NAME"]),
-			DataType:      dbi.ColumnDataType(cast.ToString(re["DATA_TYPE"])),
+			DataType:      cast.ToString(re["DATA_TYPE"]),
 			CharMaxLength: cast.ToInt(re["CHAR_MAX_LENGTH"]),
 			ColumnComment: cast.ToString(re["COLUMN_COMMENT"]),
 			Nullable:      cast.ToString(re["NULLABLE"]) == "YES",
@@ -64,7 +63,7 @@ func (od *OracleMetadata11) GetColumns(tableNames ...string) ([]dbi.Column, erro
 			NumScale:      cast.ToInt(re["NUM_SCALE"]),
 		}

-		columnHelper.FixColumn(&column)
+		od.dc.GetDbDataType(column.DataType).FixColumn(&column)
 		columns = append(columns, column)
 	}
 	return columns, nil
@@ -72,7 +71,7 @@ func (od *OracleMetadata11) GetColumns(tableNames ...string) ([]dbi.Column, erro

 func (od *OracleMetadata11) genColumnBasicSql(column dbi.Column) string {
 	dialect := od.dc.GetDialect()
-	colName := dialect.QuoteIdentifier(column.ColumnName)
+	colName := dialect.Quoter().Quote(column.ColumnName)

 	if column.IsIdentity {
 		// 11g以前的版本 如果是自增，自增列数据类型必须是number，不需要设置默认值和空值，建表后设置自增序列
--- a/server/internal/db/dbm/oracle/sqlgen.go
+++ b/server/internal/db/dbm/oracle/sqlgen.go
@@ -0,0 +1,226 @@
+package oracle
+
+import (
+	"fmt"
+	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
+	"strings"
+)
+
+type SQLGenerator struct {
+	Dialect  dbi.Dialect
+	Metadata dbi.Metadata
+}
+
+func (sg *SQLGenerator) GenTableDDL(table dbi.Table, columns []dbi.Column, dropBeforeCreate bool) []string {
+	quoter := sg.Dialect.Quoter()
+	quote := quoter.Quote
+	quoteTableName := quote(table.TableName)
+	sqlArr := make([]string, 0)
+
+	if dropBeforeCreate {
+		dropSqlTmp := `
+declare
+      num number;
+begin
+    select count(1) into num from user_tables where table_name = '%s' and owner = (SELECT sys_context('USERENV', 'CURRENT_SCHEMA') FROM dual) ;
+    if num > 0 then
+        execute immediate 'drop table "%s"' ;
+    end if;
+end`
+		sqlArr = append(sqlArr, fmt.Sprintf(dropSqlTmp, table.TableName, table.TableName))
+	}
+
+	// 组装建表语句
+	createSql := fmt.Sprintf("CREATE TABLE %s ( \n", quoteTableName)
+	fields := make([]string, 0)
+	pks := make([]string, 0)
+	columnComments := make([]string, 0)
+	// 把通用类型转换为达梦类型
+	for _, column := range columns {
+		if column.IsPrimaryKey {
+			pks = append(pks, quote(column.ColumnName))
+		}
+		quote := quoter.Quote
+		fields = append(fields, sg.genColumnBasicSql(quoter, column))
+		// 防止注释内含有特殊字符串导致sql出错
+		if column.ColumnComment != "" {
+			comment := dbi.QuoteEscape(column.ColumnComment)
+			columnComments = append(columnComments, fmt.Sprintf("COMMENT ON COLUMN %s.%s IS '%s'", quoteTableName, quote(column.ColumnName), comment))
+		}
+	}
+
+	// 建表
+	createSql += strings.Join(fields, ",\n")
+	if len(pks) > 0 {
+		createSql += fmt.Sprintf(", \nPRIMARY KEY (%s)", strings.Join(pks, ","))
+	}
+	createSql += "\n)"
+	sqlArr = append(sqlArr, createSql)
+
+	// 表注释
+	tableCommentSql := ""
+	if table.TableComment != "" {
+		tableCommentSql = fmt.Sprintf("COMMENT ON TABLE %s is '%s'", quote(table.TableName), dbi.QuoteEscape(table.TableComment))
+		sqlArr = append(sqlArr, tableCommentSql)
+	}
+
+	// 列注释
+	if len(columnComments) > 0 {
+		sqlArr = append(sqlArr, columnComments...)
+	}
+
+	otherSql := sg.GenerateTableOtherDDL(table, quoteTableName, columns)
+	if len(otherSql) > 0 {
+		sqlArr = append(sqlArr, otherSql...)
+	}
+
+	return sqlArr
+}
+
+func (sg *SQLGenerator) GenIndexDDL(table dbi.Table, indexs []dbi.Index) []string {
+	sqls := make([]string, 0)
+	comments := make([]string, 0)
+	quote := sg.Dialect.Quoter().Quote
+	for _, index := range indexs {
+		unique := ""
+		if index.IsUnique {
+			unique = "unique"
+		}
+
+		// 取出列名，添加引号
+		cols := strings.Split(index.ColumnName, ",")
+		colNames := make([]string, len(cols))
+		for i, name := range cols {
+			colNames[i] = quote(name)
+		}
+
+		sqls = append(sqls, fmt.Sprintf("CREATE %s INDEX %s ON %s(%s)", unique, quote(index.IndexName), quote(table.TableName), strings.Join(colNames, ",")))
+	}
+
+	sqlArr := make([]string, 0)
+
+	sqlArr = append(sqlArr, sqls...)
+
+	if len(comments) > 0 {
+		sqlArr = append(sqlArr, comments...)
+	}
+
+	return sqlArr
+}
+
+func (sg *SQLGenerator) GenInsert(tableName string, columns []dbi.Column, values [][]any, duplicateStrategy int) []string {
+	quoter := sg.Dialect.Quoter()
+	quote := quoter.Quote
+
+	if duplicateStrategy == dbi.DuplicateStrategyNone {
+		identityInsert := fmt.Sprintf("set identity_insert %s on;", quote(tableName))
+
+		// 达梦数据库只能一条条的执行insert语句，所以这里需要将values拆分成多条insert语句
+		return collx.ArrayMap(values, func(value []any) string {
+			columnStr, valuesStrs := dbi.GenInsertSqlColumnAndValues(sg.Dialect, DbTypeOracle, columns, [][]any{value})
+			return fmt.Sprintf("%s insert into %s (%s) values %s", identityInsert, quote(tableName), columnStr, strings.Join(valuesStrs, ",\n"))
+		})
+	}
+
+	// 查询主键字段
+	uniqueCols := make([]string, 0)
+	caseSqls := make([]string, 0)
+	metadata := sg.Metadata
+	tableCols, _ := metadata.GetColumns(tableName)
+	identityCols := make([]string, 0)
+	for _, col := range tableCols {
+		if col.IsPrimaryKey {
+			uniqueCols = append(uniqueCols, col.ColumnName)
+			caseSqls = append(caseSqls, fmt.Sprintf("( T1.%s = T2.%s )", quote(col.ColumnName), quote(col.ColumnName)))
+		}
+		if col.IsIdentity {
+			// 自增字段不放入insert内，即使是设置了identity_insert on也不起作用
+			identityCols = append(identityCols, quote(col.ColumnName))
+		}
+	}
+	// 查询唯一索引涉及到的字段，并组装到match条件内
+	indexs, _ := metadata.GetTableIndex(tableName)
+	for _, index := range indexs {
+		if index.IsUnique {
+			cols := strings.Split(index.ColumnName, ",")
+			tmp := make([]string, 0)
+			for _, col := range cols {
+				uniqueCols = append(uniqueCols, col)
+				tmp = append(tmp, fmt.Sprintf(" T1.%s = T2.%s ", quote(col), quote(col)))
+			}
+			caseSqls = append(caseSqls, fmt.Sprintf("( %s )", strings.Join(tmp, " AND ")))
+		}
+	}
+
+	// 重复数据处理策略
+	phs := make([]string, 0)
+	insertVals := make([]string, 0)
+	upds := make([]string, 0)
+	insertCols := make([]string, 0)
+	for _, column := range columns {
+		columnName := column.ColumnName
+		phs = append(phs, fmt.Sprintf("? %s", columnName))
+		if !collx.ArrayContains(uniqueCols, quoter.Trim(columnName)) {
+			upds = append(upds, fmt.Sprintf("T1.%s = T2.%s", columnName, columnName))
+		}
+		if !collx.ArrayContains(identityCols, columnName) {
+			insertCols = append(insertCols, columnName)
+			insertVals = append(insertVals, fmt.Sprintf("T2.%s", columnName))
+		}
+
+	}
+	t2s := make([]string, 0)
+	for i := 0; i < len(values); i++ {
+		t2s = append(t2s, fmt.Sprintf("SELECT %s FROM dual", strings.Join(phs, ",")))
+	}
+	t2 := strings.Join(t2s, " UNION ALL ")
+
+	sqlTemp := "MERGE INTO " + quote(tableName) + " T1 USING (" + t2 + ") T2 ON " + strings.Join(caseSqls, " OR ")
+	sqlTemp += "WHEN NOT MATCHED THEN INSERT (" + strings.Join(insertCols, ",") + ") VALUES (" + strings.Join(insertVals, ",") + ")"
+	sqlTemp += "WHEN MATCHED THEN UPDATE SET " + strings.Join(upds, ",")
+
+	return collx.AsArray(sqlTemp)
+}
+
+func (msg *SQLGenerator) genColumnBasicSql(quoter dbi.Quoter, column dbi.Column) string {
+	colName := quoter.Quote(column.ColumnName)
+
+	if column.IsIdentity {
+		// 如果是自增，不需要设置默认值和空值，自增列数据类型必须是number
+		return fmt.Sprintf(" %s NUMBER generated by default as IDENTITY", colName)
+	}
+
+	nullAble := ""
+	if !column.Nullable {
+		nullAble = " NOT NULL"
+	}
+
+	defVal := ""
+	if column.ColumnDefault != "" {
+		defVal = fmt.Sprintf(" DEFAULT %v", column.ColumnDefault)
+	}
+
+	columnSql := fmt.Sprintf(" %s %s%s%s", colName, column.GetColumnType(), defVal, nullAble)
+	return columnSql
+}
+
+// 11g及以下版本会设置自增序列
+func (sg *SQLGenerator) GenerateTableOtherDDL(tableInfo dbi.Table, quoteTableName string, columns []dbi.Column) []string {
+	return nil
+}
+
+// 11g及以下版本会设置自增序列和触发器
+func (sg *SQLGenerator) Oracle11GenerateTableOtherDDL(tableInfo dbi.Table, quoteTableName string, columns []dbi.Column) []string {
+	result := make([]string, 0)
+	for _, col := range columns {
+		if col.IsIdentity {
+			seqName := fmt.Sprintf("%s_%s_seq", tableInfo.TableName, col.ColumnName)
+			trgName := fmt.Sprintf("%s_%s_trg", tableInfo.TableName, col.ColumnName)
+			result = append(result, fmt.Sprintf("CREATE SEQUENCE %s START WITH 1 INCREMENT BY 1", seqName))
+			result = append(result, fmt.Sprintf("CREATE OR REPLACE TRIGGER %s BEFORE INSERT ON %s FOR EACH ROW WHEN (NEW.%s IS NULL) BEGIN SELECT %s.nextval INTO :new.%s FROM dual; END", trgName, quoteTableName, col.ColumnName, seqName, col.ColumnName))
+		}
+	}
+
+	return result
+}
--- a/server/internal/db/dbm/oracle/transfer.go
+++ b/server/internal/db/dbm/oracle/transfer.go
@@ -0,0 +1,97 @@
+package oracle
+
+import "mayfly-go/internal/db/dbm/dbi"
+
+var _ dbi.CommonTypeConverter = (*commonTypeConverter)(nil)
+
+type commonTypeConverter struct {
+}
+
+func (c *commonTypeConverter) Varchar(col *dbi.Column) *dbi.DbDataType {
+	return VARCHAR2
+}
+
+func (c *commonTypeConverter) Char(col *dbi.Column) *dbi.DbDataType {
+	return CHAR
+}
+func (c *commonTypeConverter) Text(col *dbi.Column) *dbi.DbDataType {
+	return NVARCHAR2
+}
+func (c *commonTypeConverter) Mediumtext(col *dbi.Column) *dbi.DbDataType {
+	return NVARCHAR2
+}
+func (c *commonTypeConverter) Longtext(col *dbi.Column) *dbi.DbDataType {
+	return NVARCHAR2
+}
+
+func (c *commonTypeConverter) Bit(col *dbi.Column) *dbi.DbDataType {
+	return BIT
+}
+func (c *commonTypeConverter) Int1(col *dbi.Column) *dbi.DbDataType {
+	return TINYINT
+}
+func (c *commonTypeConverter) Int2(col *dbi.Column) *dbi.DbDataType {
+	return SMALLINT
+}
+func (c *commonTypeConverter) Int4(col *dbi.Column) *dbi.DbDataType {
+	return INTEGER
+}
+func (c *commonTypeConverter) Int8(col *dbi.Column) *dbi.DbDataType {
+	return BIGINT
+}
+func (c *commonTypeConverter) Numeric(col *dbi.Column) *dbi.DbDataType {
+	return NUMBER
+}
+
+func (c *commonTypeConverter) Decimal(col *dbi.Column) *dbi.DbDataType {
+	return DECIMAL
+}
+
+func (c *commonTypeConverter) UnsignedInt8(col *dbi.Column) *dbi.DbDataType {
+	return BIGINT
+}
+func (c *commonTypeConverter) UnsignedInt4(col *dbi.Column) *dbi.DbDataType {
+	return INT
+}
+func (c *commonTypeConverter) UnsignedInt2(col *dbi.Column) *dbi.DbDataType {
+	return INT
+}
+func (c *commonTypeConverter) UnsignedInt1(col *dbi.Column) *dbi.DbDataType {
+	return INT
+}
+
+func (c *commonTypeConverter) Date(col *dbi.Column) *dbi.DbDataType {
+	return DATE
+}
+func (c *commonTypeConverter) Time(col *dbi.Column) *dbi.DbDataType {
+	return TIME
+}
+func (c *commonTypeConverter) Datetime(col *dbi.Column) *dbi.DbDataType {
+	return TIMESTAMP
+}
+func (c *commonTypeConverter) Timestamp(col *dbi.Column) *dbi.DbDataType {
+	return TIMESTAMP
+}
+
+func (c *commonTypeConverter) Binary(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+func (c *commonTypeConverter) Varbinary(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+func (c *commonTypeConverter) Mediumblob(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+func (c *commonTypeConverter) Blob(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+func (c *commonTypeConverter) Longblob(col *dbi.Column) *dbi.DbDataType {
+	return BLOB
+}
+
+func (c *commonTypeConverter) Enum(col *dbi.Column) *dbi.DbDataType {
+	return NVARCHAR2
+}
+func (c *commonTypeConverter) JSON(col *dbi.Column) *dbi.DbDataType {
+	return NVARCHAR2
+}
--- a/server/internal/db/dbm/postgres/column.go
+++ b/server/internal/db/dbm/postgres/column.go
@@ -0,0 +1,31 @@
+package postgres
+
+import (
+	"mayfly-go/internal/db/dbm/dbi"
+)
+
+var (
+	Bool        = dbi.NewDbDataType("bool", dbi.DTBit).WithCT(dbi.CTBit).WithFixColumn(dbi.ClearNumScale)
+	Int2        = dbi.NewDbDataType("int2", dbi.DTInt16).WithCT(dbi.CTInt2).WithFixColumn(dbi.ClearNumScale)
+	Int4        = dbi.NewDbDataType("int4", dbi.DTInt32).WithCT(dbi.CTInt4).WithFixColumn(dbi.ClearNumScale)
+	Int8        = dbi.NewDbDataType("int8", dbi.DTInt64).WithCT(dbi.CTInt8).WithFixColumn(dbi.ClearNumScale)
+	Numeric     = dbi.NewDbDataType("numeric", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	Decimal     = dbi.NewDbDataType("decimal", dbi.DTDecimal).WithCT(dbi.CTDecimal)
+	Smallserial = dbi.NewDbDataType("smallserial", dbi.DTInt16).WithCT(dbi.CTInt2)
+	Serial      = dbi.NewDbDataType("serial", dbi.DTInt32).WithCT(dbi.CTInt4)
+	Bigserial   = dbi.NewDbDataType("bigserial", dbi.DTInt64).WithCT(dbi.CTInt8)
+	Largeserial = dbi.NewDbDataType("largeserial", dbi.DTInt64).WithCT(dbi.CTInt8)
+
+	Money = dbi.NewDbDataType("money", dbi.DTString).WithCT(dbi.CTVarchar)
+
+	Char    = dbi.NewDbDataType("char", dbi.DTString).WithCT(dbi.CTChar)
+	Nchar   = dbi.NewDbDataType("nchar", dbi.DTString).WithCT(dbi.CTVarchar)
+	Varchar = dbi.NewDbDataType("varchar", dbi.DTString).WithCT(dbi.CTVarchar)
+	Text    = dbi.NewDbDataType("text", dbi.DTString).WithCT(dbi.CTText).WithFixColumn(dbi.ClearCharMaxLength)
+	Json    = dbi.NewDbDataType("json", dbi.DTString).WithCT(dbi.CTJSON).WithFixColumn(dbi.ClearCharMaxLength)
+	Bytea   = dbi.NewDbDataType("bytea", dbi.DTString).WithCT(dbi.CTBinary)
+
+	Date      = dbi.NewDbDataType("date", dbi.DTDate).WithCT(dbi.CTDate).WithFixColumn(dbi.ClearCharMaxLength)
+	Time      = dbi.NewDbDataType("time", dbi.DTTime).WithCT(dbi.CTTime).WithFixColumn(dbi.ClearCharMaxLength)
+	Timestamp = dbi.NewDbDataType("timestamp", dbi.DTDateTime).WithCT(dbi.CTDateTime).WithFixColumn(dbi.ClearCharMaxLength)
+)
--- a/server/internal/db/dbm/postgres/dialect.go
+++ b/server/internal/db/dbm/postgres/dialect.go
@@ -1,12 +1,8 @@
 package postgres

 import (
-	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/utils/anyx"
-	"mayfly-go/pkg/utils/collx"
-	"strings"
 	"time"

 	"github.com/may-fly/cast"
@@ -18,107 +14,6 @@ type PgsqlDialect struct {
 	dc *dbi.DbConn
 }

-func (pd *PgsqlDialect) BatchInsert(tx *sql.Tx, tableName string, columns []string, values [][]any, duplicateStrategy int) (int64, error) {
-	// 执行批量insert sql，跟mysql一样  pg或高斯支持批量insert语法
-	// insert into table_name (column1, column2, ...) values (value1, value2, ...), (value1, value2, ...), ...
-
-	// 把二维数组转为一维数组
-	var args []any
-	for _, v := range values {
-		args = append(args, v...)
-	}
-
-	// 构建占位符字符串 "($1, $2, $3), ($4, $5, $6), ..." 用于指定参数
-	var placeholders []string
-	for i := 0; i < len(args); i += len(columns) {
-		var placeholder []string
-		for j := 0; j < len(columns); j++ {
-			placeholder = append(placeholder, fmt.Sprintf("$%d", i+j+1))
-		}
-		placeholders = append(placeholders, "("+strings.Join(placeholder, ", ")+")")
-	}
-
-	// 根据冲突策略生成后缀
-	suffix := ""
-	if pd.dc.Info.Type == dbi.DbTypeGauss {
-		// 高斯db使用ON DUPLICATE KEY UPDATE 语法参考 https://support.huaweicloud.com/distributed-devg-v3-gaussdb/gaussdb-12-0607.html#ZH-CN_TOPIC_0000001633948138
-		suffix = pd.gaussOnDuplicateStrategySql(duplicateStrategy, tableName, columns)
-	} else {
-		// pgsql 默认使用 on conflict 语法参考 http://www.postgres.cn/docs/12/sql-insert.html
-		// vastbase语法参考 https://docs.vastdata.com.cn/zh/docs/VastbaseE100Ver3.0.0/doc/SQL%E8%AF%AD%E6%B3%95/INSERT.html
-		// kingbase语法参考 https://help.kingbase.com.cn/v8/development/sql-plsql/sql/SQL_Statements_9.html#insert
-		suffix = pd.pgsqlOnDuplicateStrategySql(duplicateStrategy, tableName, columns)
-	}
-
-	sqlStr := fmt.Sprintf("insert into %s (%s) values %s %s", pd.QuoteIdentifier(tableName), strings.Join(columns, ","), strings.Join(placeholders, ", "), suffix)
-	// 执行批量insert sql
-
-	return pd.dc.TxExec(tx, sqlStr, args...)
-}
-
-// pgsql默认唯一键冲突策略
-func (pd *PgsqlDialect) pgsqlOnDuplicateStrategySql(duplicateStrategy int, tableName string, columns []string) string {
-	suffix := ""
-	if duplicateStrategy == dbi.DuplicateStrategyIgnore {
-		suffix = " \n on conflict do nothing"
-	} else if duplicateStrategy == dbi.DuplicateStrategyUpdate {
-		// 生成 on conflict () do update set column1 = excluded.column1, column2 = excluded.column2, ...
-		var updateColumns []string
-		for _, col := range columns {
-			updateColumns = append(updateColumns, fmt.Sprintf("%s = excluded.%s", col, col))
-		}
-		// 查询唯一键名,拼接冲突sql
-		_, keyRes, _ := pd.dc.Query("SELECT constraint_name FROM information_schema.table_constraints WHERE constraint_schema = $1 AND table_name = $2 AND constraint_type in ('PRIMARY KEY', 'UNIQUE') ", pd.dc.Info.CurrentSchema(), tableName)
-		if len(keyRes) > 0 {
-			for _, re := range keyRes {
-				key := anyx.ToString(re["constraint_name"])
-				if key != "" {
-					suffix += fmt.Sprintf(" \n on conflict on constraint %s do update set %s \n", key, strings.Join(updateColumns, ", "))
-				}
-			}
-		}
-	}
-	return suffix
-}
-
-// 高斯db唯一键冲突策略,使用ON DUPLICATE KEY UPDATE 参考：https://support.huaweicloud.com/distributed-devg-v3-gaussdb/gaussdb-12-0607.html#ZH-CN_TOPIC_0000001633948138
-func (pd *PgsqlDialect) gaussOnDuplicateStrategySql(duplicateStrategy int, tableName string, columns []string) string {
-	suffix := ""
-	metadata := pd.dc.GetMetadata()
-	if duplicateStrategy == dbi.DuplicateStrategyIgnore {
-		suffix = " \n ON DUPLICATE KEY UPDATE NOTHING"
-	} else if duplicateStrategy == dbi.DuplicateStrategyUpdate {
-
-		// 查出表里的唯一键涉及的字段
-		var uniqueColumns []string
-		indexs, err := metadata.GetTableIndex(tableName)
-		if err == nil {
-			for _, index := range indexs {
-				if index.IsUnique {
-					cols := strings.Split(index.ColumnName, ",")
-					for _, col := range cols {
-						if !collx.ArrayContains(uniqueColumns, strings.ToLower(col)) {
-							uniqueColumns = append(uniqueColumns, strings.ToLower(col))
-						}
-					}
-				}
-			}
-		}
-
-		suffix = " \n ON DUPLICATE KEY UPDATE "
-		for i, col := range columns {
-			// ON DUPLICATE KEY UPDATE语句不支持更新唯一键字段，所以得去掉
-			if !collx.ArrayContains(uniqueColumns, pd.RemoveQuote(strings.ToLower(col))) {
-				suffix += fmt.Sprintf("%s = excluded.%s", col, col)
-				if i < len(columns)-1 {
-					suffix += ", "
-				}
-			}
-		}
-	}
-	return suffix
-}
-
 func (pd *PgsqlDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	tableName := copy.TableName
 	// 生成新表名,为老表明+_copy_时间戳
@@ -176,182 +71,13 @@ func (pd *PgsqlDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	return err
 }

-func (pd *PgsqlDialect) GenerateTableDDL(columns []dbi.Column, tableInfo dbi.Table, dropBeforeCreate bool) []string {
-	quoteTableName := pd.QuoteIdentifier(tableInfo.TableName)
-
-	sqlArr := make([]string, 0)
-	if dropBeforeCreate {
-		sqlArr = append(sqlArr, fmt.Sprintf("DROP TABLE IF EXISTS %s", quoteTableName))
-	}
-	// 组装建表语句
-	createSql := fmt.Sprintf("CREATE TABLE %s (\n", quoteTableName)
-	fields := make([]string, 0)
-	pks := make([]string, 0)
-	columnComments := make([]string, 0)
-	commentTmp := "comment on column %s.%s is '%s'"
-
-	for _, column := range columns {
-		if column.IsPrimaryKey {
-			pks = append(pks, pd.QuoteIdentifier(column.ColumnName))
-		}
-
-		fields = append(fields, pd.genColumnBasicSql(column))
-
-		// 防止注释内含有特殊字符串导致sql出错
-		if column.ColumnComment != "" {
-			comment := pd.QuoteEscape(column.ColumnComment)
-			columnComments = append(columnComments, fmt.Sprintf(commentTmp, quoteTableName, pd.QuoteIdentifier(column.ColumnName), comment))
-		}
-	}
-
-	createSql += strings.Join(fields, ",\n")
-	if len(pks) > 0 {
-		createSql += fmt.Sprintf(", \nPRIMARY KEY (%s)", strings.Join(pks, ","))
-	}
-	createSql += "\n)"
-
-	tableCommentSql := ""
-	if tableInfo.TableComment != "" {
-		commentTmp := "comment on table %s is '%s'"
-		tableCommentSql = fmt.Sprintf(commentTmp, quoteTableName, pd.QuoteEscape(tableInfo.TableComment))
-	}
-
-	// create
-	sqlArr = append(sqlArr, createSql)
-
-	// table comment
-	if tableCommentSql != "" {
-		sqlArr = append(sqlArr, tableCommentSql)
-	}
-	// column comment
-	if len(columnComments) > 0 {
-		sqlArr = append(sqlArr, columnComments...)
-	}
-
-	return sqlArr
-}
-
-func (pd *PgsqlDialect) GenerateIndexDDL(indexs []dbi.Index, tableInfo dbi.Table) []string {
-	creates := make([]string, 0)
-	drops := make([]string, 0)
-	comments := make([]string, 0)
-	for _, index := range indexs {
-		unique := ""
-		if index.IsUnique {
-			unique = "unique"
-		}
-
-		// 如果索引名存在，先删除索引
-		drops = append(drops, fmt.Sprintf("drop index if exists %s.%s", pd.dc.Info.CurrentSchema(), index.IndexName))
-
-		// 取出列名，添加引号
-		cols := strings.Split(index.ColumnName, ",")
-		colNames := make([]string, len(cols))
-		for i, name := range cols {
-			colNames[i] = pd.QuoteIdentifier(name)
-		}
-		// 创建索引
-		creates = append(creates, fmt.Sprintf("CREATE %s INDEX %s on %s.%s(%s)", unique, pd.QuoteIdentifier(index.IndexName), pd.QuoteIdentifier(pd.dc.Info.CurrentSchema()), pd.QuoteIdentifier(tableInfo.TableName), strings.Join(colNames, ",")))
-		if index.IndexComment != "" {
-			comment := pd.QuoteEscape(index.IndexComment)
-			comments = append(comments, fmt.Sprintf("COMMENT ON INDEX %s.%s IS '%s'", pd.dc.Info.CurrentSchema(), index.IndexName, comment))
-		}
-	}
-
-	sqlArr := make([]string, 0)
-
-	if len(drops) > 0 {
-		sqlArr = append(sqlArr, drops...)
-	}
-
-	if len(creates) > 0 {
-		sqlArr = append(sqlArr, creates...)
-	}
-	if len(comments) > 0 {
-		sqlArr = append(sqlArr, comments...)
-	}
-	return sqlArr
-}
-
-func (pd *PgsqlDialect) UpdateSequence(tableName string, columns []dbi.Column) {
-	for _, column := range columns {
-		if column.IsIdentity {
-			_, _ = pd.dc.Exec(fmt.Sprintf("select setval('%s_%s_seq', (SELECT max(%s) from %s))", tableName, column.ColumnName, column.ColumnName, tableName))
-		}
-	}
-}
-
-func (pd *PgsqlDialect) GetDataHelper() dbi.DataHelper {
-	return dataHelper
-}
-
-func (pd *PgsqlDialect) GetColumnHelper() dbi.ColumnHelper {
-	return columnHelper
-}
-
 func (pd *PgsqlDialect) GetDumpHelper() dbi.DumpHelper {
 	return new(DumpHelper)
 }

-func (pd *PgsqlDialect) genColumnBasicSql(column dbi.Column) string {
-	colName := pd.QuoteIdentifier(column.ColumnName)
-	dataType := string(column.DataType)
-
-	// 如果数据类型是数字，则去掉长度
-	if collx.ArrayAnyMatches([]string{"int"}, strings.ToLower(dataType)) {
-		column.NumPrecision = 0
-		column.CharMaxLength = 0
+func (md *PgsqlDialect) GetSQLGenerator() dbi.SQLGenerator {
+	return &SQLGenerator{
+		dialect: md,
+		dc:      md.dc,
 	}
-
-	// 如果是自增类型，需要转换为serial
-	if column.IsIdentity {
-		if dataType == "int4" {
-			column.DataType = "serial"
-		} else if dataType == "int2" {
-			column.DataType = "smallserial"
-		} else if dataType == "int8" {
-			column.DataType = "bigserial"
-		} else {
-			column.DataType = "bigserial"
-		}
-
-		return fmt.Sprintf(" %s %s NOT NULL", colName, column.GetColumnType())
-	}
-
-	nullAble := ""
-	if !column.Nullable {
-		nullAble = " NOT NULL"
-	}
-
-	defVal := "" // 默认值需要判断引号，如函数是不需要引号的 // 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
-	if column.ColumnDefault != "" && !strings.Contains(column.ColumnDefault, "(") {
-		mark := false
-		// 哪些字段类型默认值需要加引号
-		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, dataType) {
-			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
-			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) &&
-				collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(column.ColumnDefault)) {
-				mark = false
-			} else {
-				mark = true
-			}
-		}
-		// 如果数据类型是日期时间，则写死默认值函数
-		if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) {
-			column.ColumnDefault = "CURRENT_TIMESTAMP"
-		}
-
-		if mark {
-			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
-		} else {
-			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
-		}
-	}
-
-	// 如果是varchar，长度翻倍，防止报错
-	if collx.ArrayAnyMatches([]string{"char"}, strings.ToLower(dataType)) {
-		column.CharMaxLength = column.CharMaxLength * 2
-	}
-	columnSql := fmt.Sprintf(" %s %s%s%s", colName, column.GetColumnType(), nullAble, defVal)
-	return columnSql
 }
--- a/server/internal/db/dbm/postgres/helper.go
+++ b/server/internal/db/dbm/postgres/helper.go
@@ -4,212 +4,16 @@ import (
 	"fmt"
 	"io"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/utils/anyx"
-	"mayfly-go/pkg/utils/collx"
 	"regexp"
 	"strings"
-	"time"
-
-	"github.com/may-fly/cast"
 )

 var (
-	// 数字类型
-	numberRegexp = regexp.MustCompile(`(?i)int|double|float|number|decimal|byte|bit`)
-	// 日期时间类型
-	datetimeRegexp = regexp.MustCompile(`(?i)datetime|timestamp`)
-	// 日期类型
-	dateRegexp = regexp.MustCompile(`(?i)date`)
-	// 时间类型
-	timeRegexp = regexp.MustCompile(`(?i)time`)
-
 	// 提取pg默认值， 如：'id'::varchar  提取id  ；  '-1'::integer  提取-1
 	defaultValueRegexp = regexp.MustCompile(`'([^']*)'`)
-
-	// pgsql数据类型 映射 公共数据类型
-	commonColumnTypeMap = map[string]dbi.ColumnDataType{
-		"int2":        dbi.CommonTypeSmallint,
-		"int4":        dbi.CommonTypeInt,
-		"int8":        dbi.CommonTypeBigint,
-		"numeric":     dbi.CommonTypeNumber,
-		"decimal":     dbi.CommonTypeNumber,
-		"smallserial": dbi.CommonTypeSmallint,
-		"serial":      dbi.CommonTypeInt,
-		"bigserial":   dbi.CommonTypeBigint,
-		"largeserial": dbi.CommonTypeBigint,
-		"money":       dbi.CommonTypeNumber,
-		"bool":        dbi.CommonTypeTinyint,
-		"char":        dbi.CommonTypeChar,
-		"character":   dbi.CommonTypeChar,
-		"nchar":       dbi.CommonTypeChar,
-		"varchar":     dbi.CommonTypeVarchar,
-		"text":        dbi.CommonTypeText,
-		"bytea":       dbi.CommonTypeText,
-		"date":        dbi.CommonTypeDate,
-		"time":        dbi.CommonTypeTime,
-		"timestamp":   dbi.CommonTypeTimestamp,
-	}
-	// 公共数据类型 映射 pgsql数据类型
-	pgsqlColumnTypeMap = map[dbi.ColumnDataType]string{
-		dbi.CommonTypeVarchar:    "varchar",
-		dbi.CommonTypeChar:       "char",
-		dbi.CommonTypeText:       "text",
-		dbi.CommonTypeBlob:       "text",
-		dbi.CommonTypeLongblob:   "text",
-		dbi.CommonTypeLongtext:   "text",
-		dbi.CommonTypeBinary:     "text",
-		dbi.CommonTypeMediumblob: "text",
-		dbi.CommonTypeMediumtext: "text",
-		dbi.CommonTypeVarbinary:  "text",
-		dbi.CommonTypeInt:        "int4",
-		dbi.CommonTypeSmallint:   "int2",
-		dbi.CommonTypeTinyint:    "int2",
-		dbi.CommonTypeNumber:     "numeric",
-		dbi.CommonTypeBigint:     "int8",
-		dbi.CommonTypeDatetime:   "timestamp",
-		dbi.CommonTypeDate:       "date",
-		dbi.CommonTypeTime:       "time",
-		dbi.CommonTypeTimestamp:  "timestamp",
-		dbi.CommonTypeEnum:       "varchar(2000)",
-		dbi.CommonTypeJSON:       "varchar(2000)",
-	}
-	dataHelper   = &DataHelper{}
-	columnHelper = &ColumnHelper{}
 )

-func GetDataHelper() *DataHelper {
-	return dataHelper
-}
-
-type DataHelper struct {
-}
-
-func (dc *DataHelper) GetDataType(dbColumnType string) dbi.DataType {
-	if numberRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeNumber
-	}
-	// 日期时间类型
-	if datetimeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDateTime
-	}
-	// 日期类型
-	if dateRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDate
-	}
-	// 时间类型
-	if timeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeTime
-	}
-	return dbi.DataTypeString
-}
-
-func (dc *DataHelper) FormatData(dbColumnValue any, dataType dbi.DataType) string {
-	str := fmt.Sprintf("%v", dbColumnValue)
-	switch dataType {
-	case dbi.DataTypeDateTime: // "2024-01-02T22:16:28.545377+08:00"
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.DateTime, str)
-		if err == nil {
-			return str
-		}
-		res, err = time.Parse(time.RFC3339, str)
-		return res.Format(time.DateTime)
-	case dbi.DataTypeDate: //  "2024-01-02T00:00:00Z"
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.DateOnly, str)
-		if err == nil {
-			return str
-		}
-		res, _ = time.Parse(time.RFC3339, str)
-		return res.Format(time.DateOnly)
-	case dbi.DataTypeTime: // "0000-01-01T22:16:28.545075+08:00"
-		// 尝试用时间格式解析
-		res, err := time.Parse(time.TimeOnly, str)
-		if err == nil {
-			return str
-		}
-		res, _ = time.Parse(time.RFC3339, str)
-		return res.Format(time.TimeOnly)
-	}
-	return cast.ToString(dbColumnValue)
-}
-
-func (dc *DataHelper) ParseData(dbColumnValue any, dataType dbi.DataType) any {
-	// 如果dataType是datetime而dbColumnValue是string类型，则需要转换为time.Time类型
-	_, ok := dbColumnValue.(string)
-	if dataType == dbi.DataTypeDateTime && ok {
-		res, _ := time.Parse(time.RFC3339, anyx.ToString(dbColumnValue))
-		return res
-	}
-	if dataType == dbi.DataTypeDate && ok {
-		res, _ := time.Parse(time.DateOnly, anyx.ToString(dbColumnValue))
-		return res
-	}
-	if dataType == dbi.DataTypeTime && ok {
-		res, _ := time.Parse(time.TimeOnly, anyx.ToString(dbColumnValue))
-		return res
-	}
-	return dbColumnValue
-}
-
-func (dc *DataHelper) WrapValue(dbColumnValue any, dataType dbi.DataType) string {
-	if dbColumnValue == nil {
-		return "NULL"
-	}
-	switch dataType {
-	case dbi.DataTypeNumber:
-		return fmt.Sprintf("%v", dbColumnValue)
-	case dbi.DataTypeString:
-		val := fmt.Sprintf("%v", dbColumnValue)
-		// 转义单引号
-		val = strings.Replace(val, `'`, `''`, -1)
-		// 转义换行符
-		val = strings.Replace(val, "\n", "\\n", -1)
-		return fmt.Sprintf("'%s'", val)
-	case dbi.DataTypeDate, dbi.DataTypeDateTime, dbi.DataTypeTime:
-		return fmt.Sprintf("'%s'", dc.FormatData(dbColumnValue, dataType))
-	}
-	return fmt.Sprintf("'%s'", dbColumnValue)
-}
-
-type ColumnHelper struct {
-	dbi.DefaultColumnHelper
-}
-
-func (ch *ColumnHelper) ToCommonColumn(column *dbi.Column) {
-	// 翻译为通用数据库类型
-	dataType := column.DataType
-	t1 := commonColumnTypeMap[string(dataType)]
-	if t1 == "" {
-		column.DataType = dbi.CommonTypeVarchar
-		column.CharMaxLength = 2000
-	} else {
-		column.DataType = t1
-	}
-}
-
-func (ch *ColumnHelper) ToColumn(commonColumn *dbi.Column) {
-	ctype := pgsqlColumnTypeMap[commonColumn.DataType]
-
-	if ctype == "" {
-		commonColumn.DataType = "varchar"
-		commonColumn.CharMaxLength = 2000
-	} else {
-		commonColumn.DataType = dbi.ColumnDataType(ctype)
-
-	}
-}
-
-func (ch *ColumnHelper) FixColumn(column *dbi.Column) {
-	dataType := strings.ToLower(string(column.DataType))
-	// 哪些字段可以指定长度
-	if !collx.ArrayAnyMatches([]string{"char", "time", "bit", "num", "decimal"}, dataType) {
-		column.CharMaxLength = 0
-		column.NumPrecision = 0
-	} else if strings.Contains(dataType, "char") {
-		// 如果类型是文本，长度翻倍
-		column.CharMaxLength = column.CharMaxLength * 2
-	}
+func FixColumnDefault(column *dbi.Column) {
 	// 如果默认值带冒号，如：'id'::varchar
 	if column.ColumnDefault != "" && strings.Contains(column.ColumnDefault, "::") && !strings.HasPrefix(column.ColumnDefault, "nextval") {
 		match := defaultValueRegexp.FindStringSubmatch(column.ColumnDefault)
--- a/server/internal/db/dbm/postgres/meta.go
+++ b/server/internal/db/dbm/postgres/meta.go
@@ -16,16 +16,23 @@ import (

 func init() {
 	meta := new(Meta)
-	dbi.Register(dbi.DbTypePostgres, meta)
-	dbi.Register(dbi.DbTypeKingbaseEs, meta)
-	dbi.Register(dbi.DbTypeVastbase, meta)
+	dbi.Register(DbTypePostgres, meta)
+	dbi.Register(DbTypeKingbaseEs, meta)
+	dbi.Register(DbTypeVastbase, meta)

 	gauss := &Meta{
 		Param: "dbtype=gauss",
 	}
-	dbi.Register(dbi.DbTypeGauss, gauss)
+	dbi.Register(DbTypeGauss, gauss)
 }

+const (
+	DbTypePostgres   dbi.DbType = "postgres"
+	DbTypeGauss      dbi.DbType = "gauss"
+	DbTypeKingbaseEs dbi.DbType = "kingbaseEs"
+	DbTypeVastbase   dbi.DbType = "vastbase"
+)
+
 type Meta struct {
 	Param string
 }
@@ -89,6 +96,20 @@ func (pm *Meta) GetMetadata(conn *dbi.DbConn) dbi.Metadata {
 	return &PgsqlMetadata{dc: conn}
 }

+func (pm *Meta) GetDbDataTypes() []*dbi.DbDataType {
+	return collx.AsArray(
+		Bool, Int2, Int4, Int8, Numeric, Decimal, Smallserial, Serial, Bigserial, Largeserial,
+		Money,
+		Char, Nchar, Varchar, Text, Json,
+		Date, Time, Timestamp,
+		Bytea,
+	)
+}
+
+func (pm *Meta) GetCommonTypeConverter() dbi.CommonTypeConverter {
+	return &commonTypeConverter{}
+}
+
 // pgsql dialer
 type PqSqlDialer struct {
 	sshTunnelMachineId int
--- a/server/internal/db/dbm/postgres/metadata.go
+++ b/server/internal/db/dbm/postgres/metadata.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/pkg/errorx"
-	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/utils/collx"
 	"mayfly-go/pkg/utils/stringx"
 	"strings"
@@ -54,7 +53,7 @@ func (pd *PgsqlMetadata) GetDbNames() ([]string, error) {
 func (pd *PgsqlMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 	dialect := pd.dc.GetDialect()
 	names := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	var res []map[string]any
@@ -88,7 +87,7 @@ func (pd *PgsqlMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 func (pd *PgsqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 	dialect := pd.dc.GetDialect()
 	tableName := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	_, res, err := pd.dc.Query(fmt.Sprintf(dbi.GetLocalSql(PGSQL_META_FILE, PGSQL_COLUMN_MA_KEY), tableName))
@@ -96,13 +95,12 @@ func (pd *PgsqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 		return nil, err
 	}

-	columnHelper := dialect.GetColumnHelper()
 	columns := make([]dbi.Column, 0)
 	for _, re := range res {
 		column := dbi.Column{
 			TableName:     cast.ToString(re["tableName"]),
 			ColumnName:    cast.ToString(re["columnName"]),
-			DataType:      dbi.ColumnDataType(cast.ToString(re["dataType"])),
+			DataType:      cast.ToString(re["dataType"]),
 			CharMaxLength: cast.ToInt(re["charMaxLength"]),
 			ColumnComment: cast.ToString(re["columnComment"]),
 			Nullable:      cast.ToString(re["nullable"]) == "YES",
@@ -112,7 +110,9 @@ func (pd *PgsqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 			NumPrecision:  cast.ToInt(re["numPrecision"]),
 			NumScale:      cast.ToInt(re["numScale"]),
 		}
-		columnHelper.FixColumn(&column)
+
+		pd.dc.GetDbDataType(column.DataType).FixColumn(&column)
+		FixColumnDefault(&column)
 		columns = append(columns, column)
 	}
 	return columns, nil
@@ -164,7 +164,9 @@ func (pd *PgsqlMetadata) GetTableIndex(tableName string) ([]dbi.Index, error) {
 			// 索引字段已根据名称和顺序排序，故取最后一个即可
 			i := len(result) - 1
 			// 同索引字段以逗号连接
-			result[i].ColumnName = result[i].ColumnName + "," + v.ColumnName
+			if result[i].ColumnName != v.ColumnName {
+				result[i].ColumnName = result[i].ColumnName + "," + v.ColumnName
+			}
 		} else {
 			key = in
 			result = append(result, v)
@@ -175,33 +177,7 @@ func (pd *PgsqlMetadata) GetTableIndex(tableName string) ([]dbi.Index, error) {

 // 获取建表ddl
 func (pd *PgsqlMetadata) GetTableDDL(tableName string, dropBeforeCreate bool) (string, error) {
-	// 1.获取表信息
-	tbs, err := pd.GetTables(tableName)
-	tableInfo := &dbi.Table{}
-	if err != nil || tbs == nil || len(tbs) <= 0 {
-		logx.Errorf("获取表信息失败, %s", tableName)
-		return "", err
-	}
-	tableInfo.TableName = tbs[0].TableName
-	tableInfo.TableComment = tbs[0].TableComment
-
-	// 2.获取列信息
-	columns, err := pd.GetColumns(tableName)
-	if err != nil {
-		logx.Errorf("获取列信息失败, %s", tableName)
-		return "", err
-	}
-	dialect := pd.dc.GetDialect()
-	tableDDLArr := dialect.GenerateTableDDL(columns, *tableInfo, dropBeforeCreate)
-	// 3.获取索引信息
-	indexs, err := pd.GetTableIndex(tableName)
-	if err != nil {
-		logx.Errorf("获取索引信息失败, %s", tableName)
-		return "", err
-	}
-	// 组装返回
-	tableDDLArr = append(tableDDLArr, dialect.GenerateIndexDDL(indexs, *tableInfo)...)
-	return strings.Join(tableDDLArr, ";\n"), nil
+	return dbi.GenTableDDL(pd.dc.GetDialect(), pd, tableName, dropBeforeCreate)
 }

 // 获取pgsql当前连接的库可访问的schemaNames
@@ -220,11 +196,11 @@ func (pd *PgsqlMetadata) GetSchemas() ([]string, error) {

 func (pd *PgsqlMetadata) GetDefaultDb() string {
 	switch pd.dc.Info.Type {
-	case dbi.DbTypePostgres, dbi.DbTypeGauss:
+	case DbTypePostgres, DbTypeGauss:
 		return "postgres"
-	case dbi.DbTypeKingbaseEs:
+	case DbTypeKingbaseEs:
 		return "security"
-	case dbi.DbTypeVastbase:
+	case DbTypeVastbase:
 		return "vastbase"
 	default:
 		return ""
--- a/server/internal/db/dbm/postgres/sqlgen.go
+++ b/server/internal/db/dbm/postgres/sqlgen.go
@@ -0,0 +1,263 @@
+package postgres
+
+import (
+	"fmt"
+	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/anyx"
+	"mayfly-go/pkg/utils/collx"
+	"strings"
+)
+
+type SQLGenerator struct {
+	dialect dbi.Dialect
+
+	dc *dbi.DbConn
+}
+
+func (msg *SQLGenerator) GenTableDDL(table dbi.Table, columns []dbi.Column, dropBeforeCreate bool) []string {
+	quoter := msg.dialect.Quoter()
+	quote := quoter.Quote
+	quoteTableName := quote(table.TableName)
+
+	sqlArr := make([]string, 0)
+	if dropBeforeCreate {
+		sqlArr = append(sqlArr, fmt.Sprintf("DROP TABLE IF EXISTS %s", quoteTableName))
+	}
+	// 组装建表语句
+	createSql := fmt.Sprintf("CREATE TABLE %s (\n", quoteTableName)
+	fields := make([]string, 0)
+	pks := make([]string, 0)
+	columnComments := make([]string, 0)
+	commentTmp := "COMMENT ON COLUMN %s.%s IS '%s'"
+
+	for _, column := range columns {
+		if column.IsPrimaryKey {
+			pks = append(pks, quote(column.ColumnName))
+		}
+
+		fields = append(fields, msg.genColumnBasicSql(quoter, column))
+
+		// 防止注释内含有特殊字符串导致sql出错
+		if column.ColumnComment != "" {
+			comment := dbi.QuoteEscape(column.ColumnComment)
+			columnComments = append(columnComments, fmt.Sprintf(commentTmp, quoteTableName, quote(column.ColumnName), comment))
+		}
+	}
+
+	createSql += strings.Join(fields, ",\n")
+	if len(pks) > 0 {
+		createSql += fmt.Sprintf(", \nPRIMARY KEY (%s)", strings.Join(pks, ","))
+	}
+	createSql += "\n)"
+
+	tableCommentSql := ""
+	if table.TableComment != "" {
+		commentTmp := "COMMENT ON TABLE %s IS '%s'"
+		tableCommentSql = fmt.Sprintf(commentTmp, quoteTableName, dbi.QuoteEscape(table.TableComment))
+	}
+
+	// create
+	sqlArr = append(sqlArr, createSql)
+
+	// table comment
+	if tableCommentSql != "" {
+		sqlArr = append(sqlArr, tableCommentSql)
+	}
+	// column comment
+	if len(columnComments) > 0 {
+		sqlArr = append(sqlArr, columnComments...)
+	}
+
+	return sqlArr
+}
+
+func (msg *SQLGenerator) GenIndexDDL(table dbi.Table, indexs []dbi.Index) []string {
+	quoter := msg.dialect.Quoter()
+	quote := quoter.Quote
+
+	creates := make([]string, 0)
+	drops := make([]string, 0)
+	comments := make([]string, 0)
+	for _, index := range indexs {
+		unique := ""
+		if index.IsUnique {
+			unique = " unique"
+		}
+
+		currentSchema := msg.dc.Info.CurrentSchema()
+		// 带上后缀.  避免后续判断
+		if currentSchema != "" {
+			currentSchema = quote(currentSchema) + "."
+		}
+
+		// 如果索引名存在，先删除索引
+		drops = append(drops, fmt.Sprintf("DROP INDEX IF EXISTS %s%s", currentSchema, index.IndexName))
+
+		// 取出列名，添加引号
+		cols := strings.Split(index.ColumnName, ",")
+		colNames := make([]string, len(cols))
+		for i, name := range cols {
+			colNames[i] = quote(name)
+		}
+		// 创建索引
+		creates = append(creates, fmt.Sprintf("CREATE%s INDEX %s ON %s%s(%s)", unique, quote(index.IndexName), currentSchema, quote(table.TableName), strings.Join(colNames, ",")))
+		if index.IndexComment != "" {
+			comment := dbi.QuoteEscape(index.IndexComment)
+			comments = append(comments, fmt.Sprintf("COMMENT ON INDEX %s%s IS '%s'", currentSchema, index.IndexName, comment))
+		}
+	}
+
+	sqlArr := make([]string, 0)
+
+	if len(drops) > 0 {
+		sqlArr = append(sqlArr, drops...)
+	}
+
+	if len(creates) > 0 {
+		sqlArr = append(sqlArr, creates...)
+	}
+	if len(comments) > 0 {
+		sqlArr = append(sqlArr, comments...)
+	}
+	return sqlArr
+}
+
+func (psg *SQLGenerator) GenInsert(tableName string, columns []dbi.Column, values [][]any, duplicateStrategy int) []string {
+	insertSql := dbi.GenCommonInsert(psg.dialect, psg.dc.Info.Type, tableName, columns, values)
+
+	// 根据冲突策略生成后缀
+	suffix := ""
+	if psg.dc.Info.Type == DbTypeGauss {
+		// 高斯db使用ON DUPLICATE KEY UPDATE 语法参考 https://support.huaweicloud.com/distributed-devg-v3-gaussdb/gaussdb-12-0607.html#ZH-CN_TOPIC_0000001633948138
+		suffix = psg.gaussOnDuplicateStrategySql(duplicateStrategy, tableName, columns)
+	} else {
+		// pgsql 默认使用 on conflict 语法参考 http://www.postgres.cn/docs/12/sql-insert.html
+		// vastbase语法参考 https://docs.vastdata.com.cn/zh/docs/VastbaseE100Ver3.0.0/doc/SQL%E8%AF%AD%E6%B3%95/INSERT.html
+		// kingbase语法参考 https://help.kingbase.com.cn/v8/development/sql-plsql/sql/SQL_Statements_9.html#insert
+		suffix = psg.pgsqlOnDuplicateStrategySql(duplicateStrategy, tableName, columns)
+	}
+
+	return collx.AsArray[string](insertSql + suffix)
+}
+
+// pgsql默认唯一键冲突策略
+func (psg *SQLGenerator) pgsqlOnDuplicateStrategySql(duplicateStrategy int, tableName string, columns []dbi.Column) string {
+	suffix := ""
+	if duplicateStrategy == dbi.DuplicateStrategyIgnore {
+		suffix = " \n on conflict do nothing"
+	} else if duplicateStrategy == dbi.DuplicateStrategyUpdate {
+		// 生成 on conflict () do update set column1 = excluded.column1, column2 = excluded.column2, ...
+		var updateColumns []string
+		for _, col := range columns {
+			updateColumns = append(updateColumns, fmt.Sprintf("%s = excluded.%s", col.ColumnName, col.ColumnName))
+		}
+		// 查询唯一键名,拼接冲突sql
+		_, keyRes, _ := psg.dc.Query("SELECT constraint_name FROM information_schema.table_constraints WHERE constraint_schema = $1 AND table_name = $2 AND constraint_type in ('PRIMARY KEY', 'UNIQUE') ", psg.dc.Info.CurrentSchema(), tableName)
+		if len(keyRes) > 0 {
+			for _, re := range keyRes {
+				key := anyx.ToString(re["constraint_name"])
+				if key != "" {
+					suffix += fmt.Sprintf(" \n on conflict on constraint %s do update set %s \n", key, strings.Join(updateColumns, ", "))
+				}
+			}
+		}
+	}
+	return suffix
+}
+
+// 高斯db唯一键冲突策略,使用ON DUPLICATE KEY UPDATE 参考：https://support.huaweicloud.com/distributed-devg-v3-gaussdb/gaussdb-12-0607.html#ZH-CN_TOPIC_0000001633948138
+func (psg *SQLGenerator) gaussOnDuplicateStrategySql(duplicateStrategy int, tableName string, columns []dbi.Column) string {
+	suffix := ""
+	metadata := psg.dc.GetMetadata()
+	if duplicateStrategy == dbi.DuplicateStrategyIgnore {
+		suffix = " \n ON DUPLICATE KEY UPDATE NOTHING"
+	} else if duplicateStrategy == dbi.DuplicateStrategyUpdate {
+
+		// 查出表里的唯一键涉及的字段
+		var uniqueColumns []string
+		indexs, err := metadata.GetTableIndex(tableName)
+		if err == nil {
+			for _, index := range indexs {
+				if index.IsUnique {
+					cols := strings.Split(index.ColumnName, ",")
+					for _, col := range cols {
+						if !collx.ArrayContains(uniqueColumns, strings.ToLower(col)) {
+							uniqueColumns = append(uniqueColumns, strings.ToLower(col))
+						}
+					}
+				}
+			}
+		}
+
+		suffix = " \n ON DUPLICATE KEY UPDATE "
+		for i, col := range columns {
+			// ON DUPLICATE KEY UPDATE语句不支持更新唯一键字段，所以得去掉
+			if !collx.ArrayContains(uniqueColumns, psg.dialect.Quoter().Trim(strings.ToLower(col.ColumnName))) {
+				suffix += fmt.Sprintf("%s = excluded.%s", col.ColumnName, col.ColumnName)
+				if i < len(columns)-1 {
+					suffix += ", "
+				}
+			}
+		}
+	}
+	return suffix
+}
+
+func (pd *SQLGenerator) genColumnBasicSql(quoter dbi.Quoter, column dbi.Column) string {
+	colName := quoter.Quote(column.ColumnName)
+	dataType := string(column.DataType)
+
+	// 如果数据类型是数字，则去掉长度
+	if collx.ArrayAnyMatches([]string{"int"}, strings.ToLower(dataType)) {
+		column.NumPrecision = 0
+		column.CharMaxLength = 0
+	}
+
+	// 如果是自增类型，需要转换为serial
+	if column.IsIdentity {
+		if dataType == "int4" {
+			column.DataType = "serial"
+		} else if dataType == "int2" {
+			column.DataType = "smallserial"
+		} else if dataType == "int8" {
+			column.DataType = "bigserial"
+		} else {
+			column.DataType = "bigserial"
+		}
+
+		return fmt.Sprintf(" %s %s NOT NULL", colName, column.GetColumnType())
+	}
+
+	nullAble := ""
+	if !column.Nullable {
+		nullAble = " NOT NULL"
+	}
+
+	defVal := "" // 默认值需要判断引号，如函数是不需要引号的 // 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
+	if column.ColumnDefault != "" && !strings.Contains(column.ColumnDefault, "(") {
+		mark := false
+		// 哪些字段类型默认值需要加引号
+		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, dataType) {
+			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
+			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) &&
+				collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(column.ColumnDefault)) {
+				mark = false
+			} else {
+				mark = true
+			}
+		}
+		// 如果数据类型是日期时间，则写死默认值函数
+		if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(dataType)) {
+			column.ColumnDefault = "CURRENT_TIMESTAMP"
+		}
+
+		if mark {
+			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
+		} else {
+			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
+		}
+	}
+
+	columnSql := fmt.Sprintf(" %s %s%s%s", colName, column.GetColumnType(), nullAble, defVal)
+	return columnSql
+}
--- a/server/internal/db/dbm/postgres/transfer.go
+++ b/server/internal/db/dbm/postgres/transfer.go
@@ -0,0 +1,97 @@
+package postgres
+
+import "mayfly-go/internal/db/dbm/dbi"
+
+var _ dbi.CommonTypeConverter = (*commonTypeConverter)(nil)
+
+type commonTypeConverter struct {
+}
+
+func (c *commonTypeConverter) Varchar(col *dbi.Column) *dbi.DbDataType {
+	return Varchar
+}
+
+func (c *commonTypeConverter) Char(col *dbi.Column) *dbi.DbDataType {
+	return Char
+}
+func (c *commonTypeConverter) Text(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+func (c *commonTypeConverter) Mediumtext(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+func (c *commonTypeConverter) Longtext(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+
+func (c *commonTypeConverter) Bit(col *dbi.Column) *dbi.DbDataType {
+	return Int2
+}
+func (c *commonTypeConverter) Int1(col *dbi.Column) *dbi.DbDataType {
+	return Int2
+}
+func (c *commonTypeConverter) Int2(col *dbi.Column) *dbi.DbDataType {
+	return Int2
+}
+func (c *commonTypeConverter) Int4(col *dbi.Column) *dbi.DbDataType {
+	return Int4
+}
+func (c *commonTypeConverter) Int8(col *dbi.Column) *dbi.DbDataType {
+	return Int8
+}
+func (c *commonTypeConverter) Numeric(col *dbi.Column) *dbi.DbDataType {
+	return Numeric
+}
+
+func (c *commonTypeConverter) Decimal(col *dbi.Column) *dbi.DbDataType {
+	return Decimal
+}
+
+func (c *commonTypeConverter) UnsignedInt8(col *dbi.Column) *dbi.DbDataType {
+	return Int8
+}
+func (c *commonTypeConverter) UnsignedInt4(col *dbi.Column) *dbi.DbDataType {
+	return Int4
+}
+func (c *commonTypeConverter) UnsignedInt2(col *dbi.Column) *dbi.DbDataType {
+	return Int2
+}
+func (c *commonTypeConverter) UnsignedInt1(col *dbi.Column) *dbi.DbDataType {
+	return Int2
+}
+
+func (c *commonTypeConverter) Date(col *dbi.Column) *dbi.DbDataType {
+	return Date
+}
+func (c *commonTypeConverter) Time(col *dbi.Column) *dbi.DbDataType {
+	return Time
+}
+func (c *commonTypeConverter) Datetime(col *dbi.Column) *dbi.DbDataType {
+	return Timestamp
+}
+func (c *commonTypeConverter) Timestamp(col *dbi.Column) *dbi.DbDataType {
+	return Timestamp
+}
+
+func (c *commonTypeConverter) Binary(col *dbi.Column) *dbi.DbDataType {
+	return Bytea
+}
+func (c *commonTypeConverter) Varbinary(col *dbi.Column) *dbi.DbDataType {
+	return Bytea
+}
+func (c *commonTypeConverter) Mediumblob(col *dbi.Column) *dbi.DbDataType {
+	return Bytea
+}
+func (c *commonTypeConverter) Blob(col *dbi.Column) *dbi.DbDataType {
+	return Bytea
+}
+func (c *commonTypeConverter) Longblob(col *dbi.Column) *dbi.DbDataType {
+	return Bytea
+}
+
+func (c *commonTypeConverter) Enum(col *dbi.Column) *dbi.DbDataType {
+	return Varchar
+}
+func (c *commonTypeConverter) JSON(col *dbi.Column) *dbi.DbDataType {
+	return Json
+}
--- a/server/internal/db/dbm/sqlite/column.go
+++ b/server/internal/db/dbm/sqlite/column.go
@@ -0,0 +1,14 @@
+package sqlite
+
+import "mayfly-go/internal/db/dbm/dbi"
+
+var (
+	Integer = dbi.NewDbDataType("integer", dbi.DTInt64).WithCT(dbi.CTInt8)
+	Real    = dbi.NewDbDataType("real", dbi.DTNumeric).WithCT(dbi.CTNumeric)
+	Text    = dbi.NewDbDataType("text", dbi.DTString).WithCT(dbi.CTText)
+	Blob    = dbi.NewDbDataType("blob", dbi.DTBytes).WithCT(dbi.CTBlob)
+
+	DateTime = dbi.NewDbDataType("datetime", dbi.DTDateTime).WithCT(dbi.CTDateTime)
+	Date     = dbi.NewDbDataType("date", dbi.DTDate).WithCT(dbi.CTDate)
+	Time     = dbi.NewDbDataType("time", dbi.DTTime).WithCT(dbi.CTTime)
+)
--- a/server/internal/db/dbm/sqlite/dialect.go
+++ b/server/internal/db/dbm/sqlite/dialect.go
@@ -1,10 +1,8 @@
 package sqlite

 import (
-	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/utils/collx"
 	"strings"
 	"time"
 )
@@ -15,42 +13,6 @@ type SqliteDialect struct {
 	dc *dbi.DbConn
 }

-func (sd *SqliteDialect) BatchInsert(tx *sql.Tx, tableName string, columns []string, values [][]any, duplicateStrategy int) (int64, error) {
-	_, _ = sd.dc.Exec("PRAGMA foreign_keys = false")
-	// 执行批量insert sql，跟mysql一样 支持批量insert语法
-	// 生成占位符字符串：如：(?,?)
-	// 重复字符串并用逗号连接
-	repeated := strings.Repeat("?,", len(columns))
-	// 去除最后一个逗号，占位符由括号包裹
-	placeholder := fmt.Sprintf("(%s)", strings.TrimSuffix(repeated, ","))
-
-	// 重复占位符字符串n遍
-	repeated = strings.Repeat(placeholder+",", len(values))
-	// 去除最后一个逗号
-	placeholder = strings.TrimSuffix(repeated, ",")
-
-	prefix := "insert into"
-	if duplicateStrategy == 1 {
-		prefix = "insert or ignore into"
-	} else if duplicateStrategy == 2 {
-		prefix = "insert or replace into"
-	}
-
-	sqlStr := fmt.Sprintf("%s %s (%s) values %s", prefix, sd.QuoteIdentifier(tableName), strings.Join(columns, ","), placeholder)
-
-	// 把二维数组转为一维数组
-	var args []any
-	for _, v := range values {
-		args = append(args, v...)
-	}
-	exec, err := sd.dc.TxExec(tx, sqlStr, args...)
-
-	_, _ = sd.dc.Exec("PRAGMA foreign_keys = true;")
-
-	// 执行批量insert sql
-	return exec, err
-}
-
 func (sd *SqliteDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	tableName := copy.TableName

@@ -83,101 +45,12 @@ func (sd *SqliteDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	return err
 }

-// 获取建表ddl
-func (sd *SqliteDialect) GenerateTableDDL(columns []dbi.Column, tableInfo dbi.Table, dropBeforeCreate bool) []string {
-	sqlArr := make([]string, 0)
-	tbName := sd.QuoteIdentifier(tableInfo.TableName)
-	if dropBeforeCreate {
-		sqlArr = append(sqlArr, fmt.Sprintf("DROP TABLE IF EXISTS %s", tbName))
-	}
-	// 组装建表语句
-	createSql := fmt.Sprintf("CREATE TABLE %s (\n", tbName)
-	fields := make([]string, 0)
-
-	// 把通用类型转换为达梦类型
-	for _, column := range columns {
-		fields = append(fields, sd.genColumnBasicSql(column))
-	}
-	createSql += strings.Join(fields, ",\n")
-	createSql += "\n)"
-
-	sqlArr = append(sqlArr, createSql)
-
-	return sqlArr
-}
-
-func (sd *SqliteDialect) genColumnBasicSql(column dbi.Column) string {
-	incr := ""
-	if column.IsIdentity {
-		incr = " AUTOINCREMENT"
-	}
-
-	nullAble := ""
-	if !column.Nullable {
-		nullAble = " NOT NULL"
-	}
-
-	quoteColumnName := sd.QuoteIdentifier(column.ColumnName)
-
-	// 如果是主键，则直接返回，不判断默认值
-	if column.IsPrimaryKey {
-		return fmt.Sprintf(" %s integer PRIMARY KEY%s%s", quoteColumnName, incr, nullAble)
-	}
-
-	defVal := "" // 默认值需要判断引号，如函数是不需要引号的 // 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
-	if column.ColumnDefault != "" && !strings.Contains(column.ColumnDefault, "(") {
-		// 哪些字段类型默认值需要加引号
-		mark := false
-		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, strings.ToLower(string(column.DataType))) {
-			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
-			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(string(column.DataType))) &&
-				collx.ArrayAnyMatches([]string{"DATE", "TIME"}, strings.ToUpper(column.ColumnDefault)) {
-				mark = false
-			} else {
-				mark = true
-			}
-		}
-		if mark {
-			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
-		} else {
-			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
-		}
-	}
-
-	return fmt.Sprintf(" %s %s%s%s", quoteColumnName, column.GetColumnType(), nullAble, defVal)
-}
-
-// 获取建索引ddl
-func (sd *SqliteDialect) GenerateIndexDDL(indexs []dbi.Index, tableInfo dbi.Table) []string {
-	sqls := make([]string, 0)
-	for _, index := range indexs {
-		unique := ""
-		if index.IsUnique {
-			unique = "unique"
-		}
-		// 取出列名，添加引号
-		cols := strings.Split(index.ColumnName, ",")
-		colNames := make([]string, len(cols))
-		for i, name := range cols {
-			colNames[i] = sd.QuoteIdentifier(name)
-		}
-		// 创建前尝试删除
-		sqls = append(sqls, fmt.Sprintf("DROP INDEX IF EXISTS \"%s\"", index.IndexName))
-
-		sqlTmp := "CREATE %s INDEX %s ON %s (%s) "
-		sqls = append(sqls, fmt.Sprintf(sqlTmp, unique, sd.QuoteIdentifier(index.IndexName), sd.QuoteIdentifier(tableInfo.TableName), strings.Join(colNames, ",")))
-	}
-	return sqls
-}
-
-func (sd *SqliteDialect) GetDataHelper() dbi.DataHelper {
-	return dataHelper
-}
-
-func (sd *SqliteDialect) GetColumnHelper() dbi.ColumnHelper {
-	return columnHelper
-}
-
 func (sd *SqliteDialect) GetDumpHelper() dbi.DumpHelper {
 	return new(DumpHelper)
 }
+
+func (sd *SqliteDialect) GetSQLGenerator() dbi.SQLGenerator {
+	return &SQLGenerator{
+		dialect: sd,
+	}
+}
--- a/server/internal/db/dbm/sqlite/helper.go
+++ b/server/internal/db/dbm/sqlite/helper.go
@@ -1,180 +1,10 @@
 package sqlite

 import (
-	"fmt"
 	"io"
 	"mayfly-go/internal/db/dbm/dbi"
-	"mayfly-go/pkg/utils/anyx"
-	"regexp"
-	"strings"
-	"time"
 )

-var (
-	// 数字类型
-	numberRegexp = regexp.MustCompile(`(?i)int|double|float|number|decimal|byte|bit|real`)
-	// 日期时间类型
-	datetimeRegexp = regexp.MustCompile(`(?i)datetime`)
-
-	dataTypeRegexp = regexp.MustCompile(`(\w+)\((\d*),?(\d*)\)`)
-
-	//  sqlite数据类型 映射 公共数据类型
-	commonColumnTypeMap = map[string]dbi.ColumnDataType{
-		"int":               dbi.CommonTypeInt,
-		"integer":           dbi.CommonTypeInt,
-		"tinyint":           dbi.CommonTypeTinyint,
-		"smallint":          dbi.CommonTypeSmallint,
-		"mediumint":         dbi.CommonTypeSmallint,
-		"bigint":            dbi.CommonTypeBigint,
-		"int2":              dbi.CommonTypeInt,
-		"int8":              dbi.CommonTypeInt,
-		"character":         dbi.CommonTypeChar,
-		"varchar":           dbi.CommonTypeVarchar,
-		"varying character": dbi.CommonTypeVarchar,
-		"nchar":             dbi.CommonTypeChar,
-		"native character":  dbi.CommonTypeVarchar,
-		"nvarchar":          dbi.CommonTypeVarchar,
-		"text":              dbi.CommonTypeText,
-		"clob":              dbi.CommonTypeBlob,
-		"blob":              dbi.CommonTypeBlob,
-		"real":              dbi.CommonTypeNumber,
-		"double":            dbi.CommonTypeNumber,
-		"double precision":  dbi.CommonTypeNumber,
-		"float":             dbi.CommonTypeNumber,
-		"numeric":           dbi.CommonTypeNumber,
-		"decimal":           dbi.CommonTypeNumber,
-		"boolean":           dbi.CommonTypeTinyint,
-		"date":              dbi.CommonTypeDate,
-		"datetime":          dbi.CommonTypeDatetime,
-	}
-
-	//  公共数据类型 映射 sqlite数据类型
-	sqliteColumnTypeMap = map[dbi.ColumnDataType]string{
-		dbi.CommonTypeVarchar:    "nvarchar",
-		dbi.CommonTypeChar:       "nchar",
-		dbi.CommonTypeText:       "text",
-		dbi.CommonTypeBlob:       "blob",
-		dbi.CommonTypeLongblob:   "blob",
-		dbi.CommonTypeLongtext:   "text",
-		dbi.CommonTypeBinary:     "text",
-		dbi.CommonTypeMediumblob: "blob",
-		dbi.CommonTypeMediumtext: "text",
-		dbi.CommonTypeVarbinary:  "text",
-		dbi.CommonTypeInt:        "int",
-		dbi.CommonTypeSmallint:   "smallint",
-		dbi.CommonTypeTinyint:    "tinyint",
-		dbi.CommonTypeNumber:     "number",
-		dbi.CommonTypeBigint:     "bigint",
-		dbi.CommonTypeDatetime:   "datetime",
-		dbi.CommonTypeDate:       "date",
-		dbi.CommonTypeTime:       "datetime",
-		dbi.CommonTypeTimestamp:  "datetime",
-		dbi.CommonTypeEnum:       "nvarchar(2000)",
-		dbi.CommonTypeJSON:       "nvarchar(2000)",
-	}
-	dataHelper   = &DataHelper{}
-	columnHelper = &ColumnHelper{}
-)
-
-func GetDataHelper() *DataHelper {
-	return dataHelper
-}
-
-type DataHelper struct {
-}
-
-func (dc *DataHelper) GetDataType(dbColumnType string) dbi.DataType {
-	if numberRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeNumber
-	}
-	if datetimeRegexp.MatchString(dbColumnType) {
-		return dbi.DataTypeDateTime
-	}
-	return dbi.DataTypeString
-}
-
-func (dc *DataHelper) FormatData(dbColumnValue any, dataType dbi.DataType) string {
-	str := anyx.ToString(dbColumnValue)
-	switch dataType {
-	case dbi.DataTypeDateTime: // "2024-01-02T22:08:22.275697+08:00"
-		// 尝试用时间格式解析
-		_, err := time.Parse(time.DateTime, str)
-		if err == nil {
-			return str
-		}
-		res, _ := time.Parse(time.RFC3339, str)
-		return res.Format(time.DateTime)
-	case dbi.DataTypeDate: // "2024-01-02T00:00:00+08:00"
-		// 尝试用时间格式解析
-		_, err := time.Parse(time.DateOnly, str)
-		if err == nil {
-			return str
-		}
-		res, _ := time.Parse(time.RFC3339, str)
-		return res.Format(time.DateOnly)
-	case dbi.DataTypeTime: // "0000-01-01T22:08:22.275688+08:00"
-		// 尝试用时间格式解析
-		_, err := time.Parse(time.TimeOnly, str)
-		if err == nil {
-			return str
-		}
-		res, _ := time.Parse(time.RFC3339, str)
-		return res.Format(time.TimeOnly)
-	}
-	return str
-}
-
-func (dc *DataHelper) ParseData(dbColumnValue any, dataType dbi.DataType) any {
-	return dbColumnValue
-}
-
-func (dc *DataHelper) WrapValue(dbColumnValue any, dataType dbi.DataType) string {
-	if dbColumnValue == nil {
-		return "NULL"
-	}
-	switch dataType {
-	case dbi.DataTypeNumber:
-		return fmt.Sprintf("%v", dbColumnValue)
-	case dbi.DataTypeString:
-		val := fmt.Sprintf("%v", dbColumnValue)
-		// 转义单引号
-		val = strings.Replace(val, `'`, `''`, -1)
-		val = strings.Replace(val, `\''`, `\'`, -1)
-		// 转义换行符
-		val = strings.Replace(val, "\n", "\\n", -1)
-		return fmt.Sprintf("'%s'", val)
-	case dbi.DataTypeDate, dbi.DataTypeDateTime, dbi.DataTypeTime:
-		return fmt.Sprintf("'%s'", dc.FormatData(dbColumnValue, dataType))
-	}
-	return fmt.Sprintf("'%s'", dbColumnValue)
-}
-
-type ColumnHelper struct {
-	dbi.DefaultColumnHelper
-}
-
-func (ch *ColumnHelper) ToCommonColumn(dialectColumn *dbi.Column) {
-	// 翻译为通用数据库类型
-	dataType := dialectColumn.DataType
-	t1 := commonColumnTypeMap[string(dataType)]
-	if t1 == "" {
-		dialectColumn.DataType = dbi.CommonTypeVarchar
-		dialectColumn.CharMaxLength = 2000
-	} else {
-		dialectColumn.DataType = t1
-	}
-}
-
-func (ch *ColumnHelper) ToColumn(commonColumn *dbi.Column) {
-	ctype := sqliteColumnTypeMap[commonColumn.DataType]
-	if ctype == "" {
-		commonColumn.DataType = "nvarchar"
-		commonColumn.CharMaxLength = 2000
-	} else {
-		ch.FixColumn(commonColumn)
-	}
-}
-
 type DumpHelper struct {
 	dbi.DefaultDumpHelper
 }
--- a/server/internal/db/dbm/sqlite/meta.go
+++ b/server/internal/db/dbm/sqlite/meta.go
@@ -4,13 +4,18 @@ import (
 	"database/sql"
 	"errors"
 	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
 	"os"
 )

 func init() {
-	dbi.Register(dbi.DbTypeSqlite, new(Meta))
+	dbi.Register(DbTypeSqlite, new(Meta))
 }

+const (
+	DbTypeSqlite dbi.DbType = "sqlite"
+)
+
 type Meta struct {
 }

@@ -36,3 +41,16 @@ func (sm *Meta) GetDialect(conn *dbi.DbConn) dbi.Dialect {
 func (sm *Meta) GetMetadata(conn *dbi.DbConn) dbi.Metadata {
 	return &SqliteMetadata{dc: conn}
 }
+
+func (sm *Meta) GetDbDataTypes() []*dbi.DbDataType {
+	return collx.AsArray(
+		Integer, Real,
+		Text,
+		Blob,
+		DateTime, Date, Time,
+	)
+}
+
+func (sm *Meta) GetCommonTypeConverter() dbi.CommonTypeConverter {
+	return &commonTypeConverter{}
+}
--- a/server/internal/db/dbm/sqlite/metadata.go
+++ b/server/internal/db/dbm/sqlite/metadata.go
@@ -19,6 +19,10 @@ const (
 	SQLITE_INDEX_INFO_KEY = "SQLITE_INDEX_INFO"
 )

+var (
+	dataTypeRegexp = regexp.MustCompile(`(\w+)\((\d*),?(\d*)\)`)
+)
+
 type SqliteMetadata struct {
 	dbi.DefaultMetadata

@@ -53,7 +57,7 @@ func (sd *SqliteMetadata) GetDbNames() ([]string, error) {
 func (sd *SqliteMetadata) GetTables(tableNames ...string) ([]dbi.Table, error) {
 	dialect := sd.dc.GetDialect()
 	names := strings.Join(collx.ArrayMap[string, string](tableNames, func(val string) string {
-		return fmt.Sprintf("'%s'", dialect.RemoveQuote(val))
+		return fmt.Sprintf("'%s'", dialect.Quoter().Trim(val))
 	}), ",")

 	var res []map[string]any
@@ -98,7 +102,6 @@ func (sd *SqliteMetadata) getDataTypes(dataType string) (string, string, string)
 // 获取列元信息, 如列名等
 func (sd *SqliteMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error) {
 	columns := make([]dbi.Column, 0)
-	columnHelper := sd.dc.GetDialect().GetColumnHelper()
 	for i := 0; i < len(tableNames); i++ {
 		tableName := tableNames[i]
 		_, res, err := sd.dc.Query(fmt.Sprintf("PRAGMA table_info(%s)", tableName))
@@ -134,9 +137,9 @@ func (sd *SqliteMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 			} else {
 				column.CharMaxLength = cast.ToInt(length)
 			}
-			column.DataType = dbi.ColumnDataType(strings.ToLower(dataType))
-			columnHelper.FixColumn(&column)
+			column.DataType = strings.ToLower(dataType)

+			sd.dc.GetDbDataType(column.DataType).FixColumn(&column)
 			columns = append(columns, column)
 		}
 	}
--- a/server/internal/db/dbm/sqlite/sqlgen.go
+++ b/server/internal/db/dbm/sqlite/sqlgen.go
@@ -0,0 +1,123 @@
+package sqlite
+
+import (
+	"fmt"
+	"mayfly-go/internal/db/dbm/dbi"
+	"mayfly-go/pkg/utils/collx"
+	"strings"
+)
+
+type SQLGenerator struct {
+	dialect dbi.Dialect
+}
+
+func (ssg *SQLGenerator) GenTableDDL(table dbi.Table, columns []dbi.Column, dropBeforeCreate bool) []string {
+	quoter := ssg.dialect.Quoter()
+
+	sqlArr := make([]string, 0)
+	tbName := ssg.dialect.Quoter().Quote(table.TableName)
+	if dropBeforeCreate {
+		sqlArr = append(sqlArr, fmt.Sprintf("DROP TABLE IF EXISTS %s", tbName))
+	}
+	// 组装建表语句
+	createSql := fmt.Sprintf("CREATE TABLE %s (\n", tbName)
+	fields := make([]string, 0)
+
+	// 把通用类型转换为达梦类型
+	for _, column := range columns {
+		fields = append(fields, ssg.genColumnBasicSql(quoter, column))
+	}
+	createSql += strings.Join(fields, ",\n")
+	createSql += "\n)"
+
+	sqlArr = append(sqlArr, createSql)
+
+	return sqlArr
+}
+
+func (ssg *SQLGenerator) GenIndexDDL(table dbi.Table, indexs []dbi.Index) []string {
+	quoter := ssg.dialect.Quoter()
+	quote := quoter.Quote
+
+	sqls := make([]string, 0)
+	for _, index := range indexs {
+		unique := ""
+		if index.IsUnique {
+			unique = "unique"
+		}
+		// 取出列名，添加引号
+		cols := strings.Split(index.ColumnName, ",")
+		colNames := make([]string, len(cols))
+		for i, name := range cols {
+			colNames[i] = quote(name)
+		}
+		// 创建前尝试删除
+		sqls = append(sqls, fmt.Sprintf("DROP INDEX IF EXISTS \"%s\"", index.IndexName))
+
+		sqlTmp := "CREATE %s INDEX %s ON %s (%s) "
+		sqls = append(sqls, fmt.Sprintf(sqlTmp, unique, quote(index.IndexName), quote(table.TableName), strings.Join(colNames, ",")))
+	}
+
+	return sqls
+}
+
+func (ssg *SQLGenerator) GenInsert(tableName string, columns []dbi.Column, values [][]any, duplicateStrategy int) []string {
+	if duplicateStrategy == dbi.DuplicateStrategyNone {
+		return collx.AsArray(dbi.GenCommonInsert(ssg.dialect, DbTypeSqlite, tableName, columns, values))
+	}
+
+	sqls := make([]string, 0)
+	sqls = append(sqls, "PRAGMA foreign_keys = false")
+
+	prefix := "insert or ignore into"
+	if duplicateStrategy == dbi.DuplicateStrategyUpdate {
+		prefix = "insert or replace into"
+	}
+
+	columnStr, valuesStrs := dbi.GenInsertSqlColumnAndValues(ssg.dialect, DbTypeSqlite, columns, values)
+
+	sqls = append(sqls, "PRAGMA foreign_keys = true")
+	sqls = append(sqls, fmt.Sprintf("%s %s %s VALUES \n%s", prefix, ssg.dialect.Quoter().Quote(tableName), columnStr, strings.Join(valuesStrs, ",\n")))
+	return sqls
+}
+
+func (ssg *SQLGenerator) genColumnBasicSql(quoter dbi.Quoter, column dbi.Column) string {
+	incr := ""
+	if column.IsIdentity {
+		incr = " AUTOINCREMENT"
+	}
+
+	nullAble := ""
+	if !column.Nullable {
+		nullAble = " NOT NULL"
+	}
+
+	quoteColumnName := quoter.Quote(column.ColumnName)
+
+	// 如果是主键，则直接返回，不判断默认值
+	if column.IsPrimaryKey {
+		return fmt.Sprintf(" %s integer PRIMARY KEY%s%s", quoteColumnName, incr, nullAble)
+	}
+
+	defVal := "" // 默认值需要判断引号，如函数是不需要引号的 // 为了防止跨源函数不支持 当默认值是函数时，不需要设置默认值
+	if column.ColumnDefault != "" && !strings.Contains(column.ColumnDefault, "(") {
+		// 哪些字段类型默认值需要加引号
+		mark := false
+		if collx.ArrayAnyMatches([]string{"char", "text", "date", "time", "lob"}, strings.ToLower(string(column.DataType))) {
+			// 当数据类型是日期时间，默认值是日期时间函数时，默认值不需要引号
+			if collx.ArrayAnyMatches([]string{"date", "time"}, strings.ToLower(string(column.DataType))) &&
+				collx.ArrayAnyMatches([]string{"DATE", "TIME"}, strings.ToUpper(column.ColumnDefault)) {
+				mark = false
+			} else {
+				mark = true
+			}
+		}
+		if mark {
+			defVal = fmt.Sprintf(" DEFAULT '%s'", column.ColumnDefault)
+		} else {
+			defVal = fmt.Sprintf(" DEFAULT %s", column.ColumnDefault)
+		}
+	}
+
+	return fmt.Sprintf(" %s %s%s%s", quoteColumnName, column.GetColumnType(), nullAble, defVal)
+}
--- a/server/internal/db/dbm/sqlite/transfer.go
+++ b/server/internal/db/dbm/sqlite/transfer.go
@@ -0,0 +1,97 @@
+package sqlite
+
+import "mayfly-go/internal/db/dbm/dbi"
+
+var _ dbi.CommonTypeConverter = (*commonTypeConverter)(nil)
+
+type commonTypeConverter struct {
+}
+
+func (c *commonTypeConverter) Varchar(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+
+func (c *commonTypeConverter) Char(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+func (c *commonTypeConverter) Text(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+func (c *commonTypeConverter) Mediumtext(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+func (c *commonTypeConverter) Longtext(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+
+func (c *commonTypeConverter) Bit(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+func (c *commonTypeConverter) Int1(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+func (c *commonTypeConverter) Int2(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+func (c *commonTypeConverter) Int4(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+func (c *commonTypeConverter) Int8(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+func (c *commonTypeConverter) Numeric(col *dbi.Column) *dbi.DbDataType {
+	return Real
+}
+
+func (c *commonTypeConverter) Decimal(col *dbi.Column) *dbi.DbDataType {
+	return Real
+}
+
+func (c *commonTypeConverter) UnsignedInt8(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+func (c *commonTypeConverter) UnsignedInt4(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+func (c *commonTypeConverter) UnsignedInt2(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+func (c *commonTypeConverter) UnsignedInt1(col *dbi.Column) *dbi.DbDataType {
+	return Integer
+}
+
+func (c *commonTypeConverter) Date(col *dbi.Column) *dbi.DbDataType {
+	return Date
+}
+func (c *commonTypeConverter) Time(col *dbi.Column) *dbi.DbDataType {
+	return Time
+}
+func (c *commonTypeConverter) Datetime(col *dbi.Column) *dbi.DbDataType {
+	return DateTime
+}
+func (c *commonTypeConverter) Timestamp(col *dbi.Column) *dbi.DbDataType {
+	return DateTime
+}
+
+func (c *commonTypeConverter) Binary(col *dbi.Column) *dbi.DbDataType {
+	return Blob
+}
+func (c *commonTypeConverter) Varbinary(col *dbi.Column) *dbi.DbDataType {
+	return Blob
+}
+func (c *commonTypeConverter) Mediumblob(col *dbi.Column) *dbi.DbDataType {
+	return Blob
+}
+func (c *commonTypeConverter) Blob(col *dbi.Column) *dbi.DbDataType {
+	return Blob
+}
+func (c *commonTypeConverter) Longblob(col *dbi.Column) *dbi.DbDataType {
+	return Blob
+}
+
+func (c *commonTypeConverter) Enum(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
+func (c *commonTypeConverter) JSON(col *dbi.Column) *dbi.DbDataType {
+	return Text
+}
--- a/server/internal/db/domain/entity/db_job.go
+++ b/server/internal/db/domain/entity/db_job.go
@@ -110,7 +110,7 @@ func (d *DbJobBaseImpl) setLastStatus(jobType DbJobType, status DbJobStatus, err
 	if err != nil {
 		result = fmt.Sprintf("%s: %v", result, err)
 	}
-	d.LastResult = stringx.TruncateStr(result, LastResultSize)
+	d.LastResult = stringx.Truncate(result, LastResultSize, LastResultSize, "")
 	d.LastTime = timex.NewNullTime(time.Now())
 }

--- a/server/internal/db/imsg/en.go
+++ b/server/internal/db/imsg/en.go
@@ -16,7 +16,7 @@ var En = map[i18n.MsgId]string{

 	SqlScriptRunFail:    "sql script failed to execute",
 	SqlScriptRunSuccess: "sql script executed successfully",
-	SqlScripRunProgress: "sql script execution progress",
+	SqlScripRunProgress: "sql execution progress",
 	DbDumpErr:           "Database export failed",
 	ErrDbNameExist:      "The database name already exists in this instance",
 	ErrDbNotAccess:      "The operation permissions of database [{{.dbName}}] are not configured",
--- a/server/internal/db/imsg/zh_cn.go
+++ b/server/internal/db/imsg/zh_cn.go
@@ -16,7 +16,7 @@ var Zh_CN = map[i18n.MsgId]string{

 	SqlScriptRunFail:    "sql脚本执行失败",
 	SqlScriptRunSuccess: "sql脚本执行成功",
-	SqlScripRunProgress: "sql脚本执行进度",
+	SqlScripRunProgress: "sql执行进度",
 	DbDumpErr:           "数据库导出失败",
 	ErrDbNameExist:      "该实例下数据库名已存在",
 	ErrDbNotAccess:      "未配置数据库【{{.dbName}}】的操作权限",
--- a/server/internal/db/infrastructure/persistence/db.go
+++ b/server/internal/db/infrastructure/persistence/db.go
@@ -12,7 +12,7 @@ type dbRepoImpl struct {
 }

 func newDbRepo() repository.Db {
-	return &dbRepoImpl{base.RepoImpl[*entity.Db]{M: new(entity.Db)}}
+	return &dbRepoImpl{}
 }

 // 分页获取数据库信息列表
--- a/Show More
+++ b/Show More