refactor: dbm包重构

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

@@ -5,9 +5,7 @@ import (
 	"fmt"
 	"mayfly-go/internal/db/dbm/dbi"
 	"mayfly-go/pkg/logx"
-	"mayfly-go/pkg/utils/anyx"
 	"mayfly-go/pkg/utils/collx"
-	"regexp"
 	"strings"
 	"time"
 
@@ -18,10 +16,6 @@ type OracleDialect struct {
 	dc *dbi.DbConn
 }
 
-func (od *OracleDialect) GetMetaData() dbi.MetaData {
-	return &OracleMetaData{dc: od.dc}
-}
-
 // GetDbProgram 获取数据库程序模块，用于数据库备份与恢复
 func (od *OracleDialect) GetDbProgram() (dbi.DbProgram, error) {
 	return nil, fmt.Errorf("该数据库类型不支持数据库备份与恢复: %v", od.dc.Info.Type)
@@ -39,20 +33,20 @@ func (od *OracleDialect) BatchInsert(tx *sql.Tx, tableName string, columns []str
 	}
 
 	if duplicateStrategy == dbi.DuplicateStrategyNone || duplicateStrategy == 0 || duplicateStrategy == dbi.DuplicateStrategyIgnore {
-		return od.batchInsertSimple(od.dc.Info.Type, tableName, columns, values, duplicateStrategy, tx)
+		return od.batchInsertSimple(tableName, columns, values, duplicateStrategy, tx)
 	} else {
-		return od.batchInsertMergeSql(od.dc.Info.Type, tableName, columns, values, args, tx)
+		return od.batchInsertMergeSql(tableName, columns, values, args, tx)
 	}
 }
 
 // 简单批量插入sql，无需判断键冲突策略
-func (od *OracleDialect) batchInsertSimple(dbType dbi.DbType, tableName string, columns []string, values [][]any, duplicateStrategy int, tx *sql.Tx) (int64, error) {
-
+func (od *OracleDialect) batchInsertSimple(tableName string, columns []string, values [][]any, duplicateStrategy int, tx *sql.Tx) (int64, error) {
+	metadata := od.dc.GetMetaData()
 	// 忽略键冲突策略
 	ignore := ""
 	if duplicateStrategy == dbi.DuplicateStrategyIgnore {
 		// 查出唯一索引涉及的字段
-		indexs, _ := od.GetMetaData().GetTableIndex(tableName)
+		indexs, _ := metadata.GetTableIndex(tableName)
 		if indexs != nil {
 			arr := make([]string, 0)
 			for _, index := range indexs {
@@ -75,7 +69,7 @@ func (od *OracleDialect) batchInsertSimple(dbType dbi.DbType, tableName string,
 		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, dbType.QuoteIdentifier(tableName), strings.Join(columns, ","), strings.Join(placeholder, ","))
+		sqlTemp := fmt.Sprintf("INSERT %s INTO %s (%s) VALUES (%s)", ignore, metadata.QuoteIdentifier(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...)
@@ -87,12 +81,13 @@ func (od *OracleDialect) batchInsertSimple(dbType dbi.DbType, tableName string,
 	return int64(effRows), nil
 }
 
-func (od *OracleDialect) batchInsertMergeSql(dbType dbi.DbType, tableName string, columns []string, values [][]any, args []any, tx *sql.Tx) (int64, error) {
+func (od *OracleDialect) batchInsertMergeSql(tableName string, columns []string, values [][]any, args []any, tx *sql.Tx) (int64, error) {
 	// 查询主键字段
 	uniqueCols := make([]string, 0)
 	caseSqls := make([]string, 0)
+	metadata := od.dc.GetMetaData()
 	// 查询唯一索引涉及到的字段，并组装到match条件内
-	indexs, _ := od.GetMetaData().GetTableIndex(tableName)
+	indexs, _ := metadata.GetTableIndex(tableName)
 	if indexs != nil {
 		for _, index := range indexs {
 			if index.IsUnique {
@@ -102,7 +97,7 @@ func (od *OracleDialect) batchInsertMergeSql(dbType dbi.DbType, tableName string
 					if !collx.ArrayContains(uniqueCols, col) {
 						uniqueCols = append(uniqueCols, col)
 					}
-					tmp = append(tmp, fmt.Sprintf(" T1.%s = T2.%s ", dbType.QuoteIdentifier(col), dbType.QuoteIdentifier(col)))
+					tmp = append(tmp, fmt.Sprintf(" T1.%s = T2.%s ", metadata.QuoteIdentifier(col), metadata.QuoteIdentifier(col)))
 				}
 				caseSqls = append(caseSqls, fmt.Sprintf("( %s )", strings.Join(tmp, " AND ")))
 			}
@@ -111,7 +106,7 @@ func (od *OracleDialect) batchInsertMergeSql(dbType dbi.DbType, tableName string
 
 	// 如果caseSqls为空，则说明没有唯一键，直接使用简单批量插入
 	if len(caseSqls) == 0 {
-		return od.batchInsertSimple(dbType, tableName, columns, values, dbi.DuplicateStrategyNone, tx)
+		return od.batchInsertSimple(tableName, columns, values, dbi.DuplicateStrategyNone, tx)
 	}
 
 	// 重复数据处理策略
@@ -119,7 +114,7 @@ func (od *OracleDialect) batchInsertMergeSql(dbType dbi.DbType, tableName string
 	upds := make([]string, 0)
 	insertCols := make([]string, 0)
 	for _, column := range columns {
-		if !collx.ArrayContains(uniqueCols, dbType.RemoveQuote(column)) {
+		if !collx.ArrayContains(uniqueCols, metadata.RemoveQuote(column)) {
 			upds = append(upds, fmt.Sprintf("T1.%s = T2.%s", column, column))
 		}
 		insertCols = append(insertCols, fmt.Sprintf("T1.%s", column))
@@ -140,7 +135,7 @@ func (od *OracleDialect) batchInsertMergeSql(dbType dbi.DbType, tableName string
 
 	t2 := strings.Join(t2s, " UNION ALL ")
 
-	sqlTemp := "MERGE INTO " + dbType.QuoteIdentifier(tableName) + " T1 USING (" + t2 + ") T2 ON (" + strings.Join(caseSqls, " OR ") + ") "
+	sqlTemp := "MERGE INTO " + metadata.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, ",")
 
@@ -152,53 +147,6 @@ func (od *OracleDialect) batchInsertMergeSql(dbType dbi.DbType, tableName string
 	return res, err
 }
 
-func (od *OracleDialect) GetDataConverter() dbi.DataConverter {
-	return converter
-}
-
-var (
-	// 数字类型
-	numberTypeRegexp = regexp.MustCompile(`(?i)int|double|float|number|decimal|byte|bit`)
-	// 日期时间类型
-	datetimeTypeRegexp = regexp.MustCompile(`(?i)date|timestamp`)
-
-	converter = new(DataConverter)
-)
-
-type DataConverter struct {
-}
-
-func (dc *DataConverter) 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 *DataConverter) FormatData(dbColumnValue any, dataType dbi.DataType) string {
-	str := anyx.ToString(dbColumnValue)
-	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"
-		res, _ := time.Parse(time.RFC3339, str)
-		return res.Format(time.DateTime)
-	}
-	return str
-}
-
-func (dc *DataConverter) 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, anyx.ConvString(dbColumnValue))
-		return res
-	}
-	return dbColumnValue
-}
-
 func (od *OracleDialect) CopyTable(copy *dbi.DbCopyTable) error {
 	// 生成新表名,为老表明+_copy_时间戳
 	newTableName := strings.ToUpper(copy.TableName + "_copy_" + time.Now().Format("20060102150405"))