From 874a9a051bd674626c1d061f2a97613514a24d6e Mon Sep 17 00:00:00 2001
From: bianyucheng <bianyucheng0@gmail.com>
Date: Tue, 7 May 2024 13:53:43 +0800
Subject: [PATCH] remove extra var

---
 sqle/driver/mysql/rollback.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sqle/driver/mysql/rollback.go b/sqle/driver/mysql/rollback.go
index 7be00dde31..63a1b2b4b8 100644
--- a/sqle/driver/mysql/rollback.go
+++ b/sqle/driver/mysql/rollback.go
@@ -597,15 +597,13 @@ func (i *MysqlDriverImpl) generateUpdateRollbackSql(stmt *ast.UpdateStmt) (strin
 	if err != nil {
 		return "", "", err
 	}
-	columnsName := []string{}
 	rollbackSql := ""
 	colNameDefMap := make(map[string]*ast.ColumnDef)
 	for _, col := range createTableStmt.Cols {
-		columnsName = append(columnsName, col.Name.Name.String())
 		colNameDefMap[col.Name.Name.String()] = col
 	}
 	for _, record := range records {
-		if len(record) != len(columnsName) {
+		if len(record) != len(colNameDefMap) {
 			return "", "", nil
 		}
 		where := []string{}