enhance: improve FormatUpsert implements for pgsql (#3349)

contrib/drivers/pgsql/pgsql_do_insert.go

@@ -9,13 +9,10 @@ package pgsql
 import (
 	"context"
 	"database/sql"
-	"fmt"
 
 	"github.com/gogf/gf/v2/database/gdb"
 	"github.com/gogf/gf/v2/errors/gcode"
 	"github.com/gogf/gf/v2/errors/gerror"
-	"github.com/gogf/gf/v2/text/gstr"
-	"github.com/gogf/gf/v2/util/gconv"
 )
 
 // DoInsert inserts or updates data forF given table.
@@ -47,55 +44,3 @@ func (d *Driver) DoInsert(ctx context.Context, link gdb.Link, table string, list
 	}
 	return d.Core.DoInsert(ctx, link, table, list, option)
 }
-
-// FormatUpsert returns SQL clause of type upsert for PgSQL.
-// For example: ON CONFLICT (id) DO UPDATE SET ...
-func (d *Driver) FormatUpsert(columns []string, list gdb.List, option gdb.DoInsertOption) (string, error) {
-	if len(option.OnConflict) == 0 {
-		return "", gerror.New("Please specify conflict columns")
-	}
-
-	var onDuplicateStr string
-	if option.OnDuplicateStr != "" {
-		onDuplicateStr = option.OnDuplicateStr
-	} else if len(option.OnDuplicateMap) > 0 {
-		for k, v := range option.OnDuplicateMap {
-			if len(onDuplicateStr) > 0 {
-				onDuplicateStr += ","
-			}
-			switch v.(type) {
-			case gdb.Raw, *gdb.Raw:
-				onDuplicateStr += fmt.Sprintf(
-					"%s=%s",
-					d.Core.QuoteWord(k),
-					v,
-				)
-			default:
-				onDuplicateStr += fmt.Sprintf(
-					"%s=EXCLUDED.%s",
-					d.Core.QuoteWord(k),
-					d.Core.QuoteWord(gconv.String(v)),
-				)
-			}
-		}
-	} else {
-		for _, column := range columns {
-			// If it's SAVE operation, do not automatically update the creating time.
-			if d.Core.IsSoftCreatedFieldName(column) {
-				continue
-			}
-			if len(onDuplicateStr) > 0 {
-				onDuplicateStr += ","
-			}
-			onDuplicateStr += fmt.Sprintf(
-				"%s=EXCLUDED.%s",
-				d.Core.QuoteWord(column),
-				d.Core.QuoteWord(column),
-			)
-		}
-	}
-
-	conflictKeys := gstr.Join(option.OnConflict, ",")
-
-	return fmt.Sprintf("ON CONFLICT (%s) DO UPDATE SET ", conflictKeys) + onDuplicateStr, nil
-}