reduce inserted rows to avoid case run too long

Signed-off-by: guo-shaoge <shaoge1994@163.com>

executor/executor_test.go

@@ -9016,13 +9016,13 @@ func (s *testSerialSuite) TestIndexJoin31494(c *C) {
 	tk.MustExec("drop table if exists t1, t2;")
 	tk.MustExec("create table t1(a int(11) default null, b int(11) default null, key(b));")
 	insertStr := "insert into t1 values(1, 1)"
-	for i := 1; i < 32768; i++ {
+	for i := 1; i < 3000; i++ {
 		insertStr += fmt.Sprintf(", (%d, %d)", i, i)
 	}
 	tk.MustExec(insertStr)
 	tk.MustExec("create table t2(a int(11) default null, b int(11) default null, c int(11) default null)")
 	insertStr = "insert into t2 values(1, 1, 1)"
-	for i := 1; i < 32768; i++ {
+	for i := 1; i < 3000; i++ {
 		insertStr += fmt.Sprintf(", (%d, %d, %d)", i, i, i)
 	}
 	tk.MustExec(insertStr)
@@ -9036,9 +9036,11 @@ func (s *testSerialSuite) TestIndexJoin31494(c *C) {
 		conf.OOMAction = config.OOMActionCancel
 	})
 	c.Assert(tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil), IsTrue)
-	tk.MustExec("set @@tidb_mem_quota_query=2097152;")
-	// This bug will be reproduced in 10 times.
-	for i := 0; i < 10; i++ {
+	tk.MustExec("set @@tidb_mem_quota_query=200000;")
+	tk.MustExec("set @@tidb_max_chunk_size=32;")
+	tk.MustExec("set @@tidb_index_join_batch_size=1;")
+	// This bug will likely be reproduced in 30 times.
+	for i := 0; i < 30; i++ {
 		err := tk.QueryToErr("select /*+ inl_join(t1) */ * from t1 right join t2 on t1.b=t2.b;")
 		c.Assert(err, NotNil)
 		c.Assert(err.Error(), Matches, "Out Of Memory Quota!.*")