2023-11-26 21:21:35 +08:00
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import { MysqlDialect } from './mysql_dialect';
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import { PostgresqlDialect } from './postgres_dialect';
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2023-12-06 14:50:02 +08:00
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import { DMDialect } from '@/views/ops/db/dialect/dm_dialect';
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import { SqlLanguage } from 'sql-formatter/lib/src/sqlFormatter';
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2023-11-26 21:21:35 +08:00
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export interface sqlColumnType {
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udtName: string;
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dataType: string;
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desc: string;
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space: string;
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range?: string;
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}
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export const DbType = {
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mysql: 'mysql',
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postgresql: 'postgres',
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2023-12-06 14:50:02 +08:00
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dm: 'dm', // 达梦
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2023-11-26 21:21:35 +08:00
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};
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export interface DbDialect {
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2023-11-27 17:40:47 +08:00
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/**
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* 获取格式化sql对应的dialect名称
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*/
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2023-12-06 14:50:02 +08:00
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getFormatDialect(): SqlLanguage;
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2023-11-27 17:40:47 +08:00
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2023-11-26 21:21:35 +08:00
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/**
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* 获取图标信息
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*/
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getIcon(): string;
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/**
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* 获取默认查询sql
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* @param table 表名
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* @param condition 条件
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* @param orderBy 排序
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* @param pageNum 页数
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* @param limit 条数
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*/
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getDefaultSelectSql(table: string, condition: string, orderBy: string, pageNum: number, limit: number): string;
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/**
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* 包裹数据库表名、字段名等,避免使用关键字为字段名或表名时报错
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* @param name 名称
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*/
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wrapName(name: string): string;
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/**
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* 生成字段类型列表
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* */
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getColumnTypes(): sqlColumnType[];
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/**
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* 生成创建表sql
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* @param tableData 建表数据
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*/
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getCreateTableSql(tableData: any): string;
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/**
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* 生成创建索引sql
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* @param tableData
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*/
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getCreateIndexSql(tableData: any): string;
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/**
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* 生成编辑列sql
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* @param tableName 表名
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* @param changeData 改变信息
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*/
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getModifyColumnSql(tableName: string, changeData: { del: any[]; add: any[]; upd: any[] }): string;
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/**
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* 生成编辑索引sql
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* @param tableName 表名
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* @param changeData 改变数据
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*/
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getModifyIndexSql(tableName: string, changeData: { del: any[]; add: any[]; upd: any[] }): string;
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}
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let mysqlDialect = new MysqlDialect();
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let postgresDialect = new PostgresqlDialect();
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2023-12-06 14:50:02 +08:00
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let dmDialect = new DMDialect();
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2023-11-26 21:21:35 +08:00
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export const getDbDialect = (dbType: string | undefined): DbDialect => {
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if (dbType === DbType.mysql) {
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return mysqlDialect;
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}
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if (dbType === DbType.postgresql) {
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return postgresDialect;
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}
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2023-12-06 14:50:02 +08:00
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if (dbType === DbType.dm) {
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return dmDialect;
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}
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2023-11-26 21:21:35 +08:00
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throw new Error('不支持的数据库');
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};
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