Fix bug: get params index error when retry prepare insert stmt (#17904)

Fix bug: get params index error when retry prepare insert stmt

Approved by: @daviszhen, @heni02

pkg/frontend/mysql_cmd_executor.go

@@ -1862,6 +1862,7 @@ func buildPlan(reqCtx context.Context, ses FeSession, ctx plan2.CompilerContext,
 		}
 	}
 	if ret != nil {
+		ret.IsPrepare = isPrepareStmt
 		if ses != nil && ses.GetTenantInfo() != nil && !ses.IsBackgroundSession() {
 			err = authenticateCanExecuteStatementAndPlan(reqCtx, ses.(*Session), stmt, ret)
 			if err != nil {

test/distributed/cases/pessimistic_transaction/prepare.result

@@ -49,3 +49,15 @@ CREATE TABLE `t_mes_product_bom` (
 INSERT INTO `t_mes_product_bom` VALUES (?);
 invalid input: only prepare statement can use ? expr
 DROP TABLE IF EXISTS `t_mes_product_bom`;
+drop table if exists t1;
+create table t1 (a int primary key, b int);
+begin;
+alter table t1 alter column b drop default;
+use prepare;
+prepare s1 from insert into t1 values (?, 2);
+set @a=1;
+execute s1 using @a;
+select * from t1;
+a    b
+1    2
+commit;

test/distributed/cases/pessimistic_transaction/prepare.sql

@@ -50,4 +50,18 @@ CREATE TABLE `t_mes_product_bom` (
 `a_id` int(10)
 );
 INSERT INTO `t_mes_product_bom` VALUES (?);
-DROP TABLE IF EXISTS `t_mes_product_bom`;
+DROP TABLE IF EXISTS `t_mes_product_bom`;
+
+drop table if exists t1;
+create table t1 (a int primary key, b int);
+begin;
+alter table t1 alter column b drop default;
+-- @session:id=1{
+use prepare;
+prepare s1 from insert into t1 values (?, 2);
+set @a=1;
+-- @wait:0:commit
+execute s1 using @a;
+select * from t1;
+-- @session}
+commit;