!129 fix: db 相关bug

* fix: db 相关bug

server/internal/db/dbm/mssql/dialect.go

@@ -1,11 +1,9 @@
 package mssql
 
 import (
-	"database/sql"
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/pkg/logx"
-	"mayfly-go/pkg/utils/collx"
 	"strings"
 	"time"
 )
@@ -24,176 +22,6 @@ type MssqlDialect struct {
 	dc *dbi.DbConn
 }
 
-func (md *MssqlDialect) BatchInsert(tx *sql.Tx, tableName string, columns []string, values [][]any, duplicateStrategy int) (int64, error) {
-
-	if duplicateStrategy == dbi.DuplicateStrategyUpdate {
-		return md.batchInsertMerge(tx, tableName, columns, values, duplicateStrategy)
-	}
-
-	return md.batchInsertSimple(tx, tableName, columns, values, duplicateStrategy)
-}
-
-func (md *MssqlDialect) batchInsertSimple(tx *sql.Tx, tableName string, columns []string, values [][]any, duplicateStrategy int) (int64, error) {
-	// 把二维数组转为一维数组
-	var args []any
-	var singleSize int // 一条数据的参数个数
-	for i, v := range values {
-		if i == 0 {
-			singleSize = len(v)
-		}
-		args = append(args, v...)
-	}
-
-	// 判断如果参数超过2000，则分批次执行，mssql允许最大参数为2100，保险起见，这里限制到2000
-	if len(args) > 2000 {
-
-		rows := 2000 / singleSize // 每批次最大数据条数
-		mp := make(map[any][][]any)
-
-		// 把values拆成多份，每份不能超过rows条
-		length := len(values)
-		for i := 0; i < length; i += rows {
-			if i+rows <= length {
-				mp[i] = values[i : i+rows]
-			} else {
-				mp[i] = values[i:length]
-			}
-		}
-
-		var count int64
-		for _, v := range mp {
-			res, err := md.batchInsertSimple(tx, tableName, columns, v, duplicateStrategy)
-			if err != nil {
-				return count, err
-			}
-			count += res
-		}
-		return count, nil
-	}
-
-	msMetadata := md.dc.GetMetadata()
-	schema := md.dc.Info.CurrentSchema()
-	ignoreDupSql := ""
-	if duplicateStrategy == dbi.DuplicateStrategyIgnore {
-		// ALTER TABLE dbo.TEST ADD CONSTRAINT uniqueRows UNIQUE (ColA, ColB, ColC, ColD) WITH (IGNORE_DUP_KEY = ON)
-		indexs, _ := msMetadata.(*MssqlMetadata).getTableIndexWithPK(tableName)
-		// 收集唯一索引涉及到的字段
-		uniqueColumns := make([]string, 0)
-		for _, index := range indexs {
-			if index.IsUnique {
-				cols := strings.Split(index.ColumnName, ",")
-				for _, col := range cols {
-					if !collx.ArrayContains(uniqueColumns, col) {
-						uniqueColumns = append(uniqueColumns, col)
-					}
-				}
-			}
-		}
-		if len(uniqueColumns) > 0 {
-			// 设置忽略重复键
-			ignoreDupSql = fmt.Sprintf("ALTER TABLE %s.%s ADD CONSTRAINT uniqueRows UNIQUE (%s) WITH (IGNORE_DUP_KEY = {sign})", schema, tableName, strings.Join(uniqueColumns, ","))
-			_, _ = md.dc.TxExec(tx, strings.ReplaceAll(ignoreDupSql, "{sign}", "ON"))
-		}
-	}
-
-	// 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, ",")
-
-	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
-
-	// 设置允许填充自增列之后，显示指定列名可以插入自增列
-	identityInsertOn := fmt.Sprintf("SET IDENTITY_INSERT [%s].[%s] ON", schema, tableName)
-
-	res, err := md.dc.TxExec(tx, fmt.Sprintf("%s %s", identityInsertOn, sqlStr), args...)
-
-	// 执行完之后，设置忽略重复键
-	if ignoreDupSql != "" {
-		_, _ = md.dc.TxExec(tx, strings.ReplaceAll(ignoreDupSql, "{sign}", "OFF"))
-	}
-	return res, err
-}
-
-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)
-	pkCols := make([]string, 0)
-
-	// 查询取出自增列字段, merge update不能修改自增列
-	identityCols := make([]string, 0)
-	cols, err := msMetadata.GetColumns(tableName)
-	if err != nil {
-		return 0, err
-	}
-	for _, col := range cols {
-		if col.IsIdentity {
-			identityCols = append(identityCols, col.ColumnName)
-		}
-		if col.IsPrimaryKey {
-			pkCols = append(pkCols, col.ColumnName)
-			name := quote(col.ColumnName)
-			caseSqls = append(caseSqls, fmt.Sprintf(" T1.%s = T2.%s ", name, name))
-		}
-	}
-	if len(pkCols) == 0 {
-		return md.batchInsertSimple(tx, tableName, columns, values, duplicateStrategy)
-	}
-	// 重复数据处理策略
-	insertVals := make([]string, 0)
-	upds := make([]string, 0)
-	insertCols := make([]string, 0)
-	// 源数据占位sql
-	phs := make([]string, 0)
-	for _, column := range columns {
-		if !collx.ArrayContains(identityCols, md.Quoter().Trim(column)) {
-			upds = append(upds, fmt.Sprintf("T1.%s = T2.%s", column, column))
-		}
-		insertCols = append(insertCols, column)
-		insertVals = append(insertVals, fmt.Sprintf("T2.%s", column))
-		phs = append(phs, fmt.Sprintf("? %s", column))
-	}
-
-	// 把二维数组转为一维数组
-	var args []any
-	tmp := fmt.Sprintf("select %s", strings.Join(phs, ","))
-	t2s := make([]string, 0)
-	for _, v := range values {
-		args = append(args, v...)
-		t2s = append(t2s, tmp)
-	}
-	t2 := strings.Join(t2s, " UNION ALL ")
-
-	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, ",")
-
-	// 设置允许填充自增列之后，显示指定列名可以插入自增列
-	identityInsertOn := fmt.Sprintf("SET IDENTITY_INSERT [%s].[%s] ON", schema, tableName)
-
-	// 执行merge sql,必须要以分号结尾
-	res, err := md.dc.TxExec(tx, fmt.Sprintf("%s %s;", identityInsertOn, sqlTemp), args...)
-
-	if err != nil {
-		logx.Errorf("执行sql失败：%s, sql: [ %s ]", err.Error(), sqlTemp)
-	}
-	return res, err
-}
-
 func (md *MssqlDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	msMetadata := md.dc.GetMetadata()
 	schema := md.dc.Info.CurrentSchema()
@@ -285,7 +113,7 @@ func (md *MssqlDialect) CopyTableDDL(tableName string, newTableName string) (str
 	return strings.Join(sqlArr, ";"), nil
 }
 
-func (dx *MssqlDialect) Quoter() dbi.Quoter {
+func (md *MssqlDialect) Quoter() dbi.Quoter {
 	return mssqlQuoter
 }