// Copyright 2019 PingCAP, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // See the License for the specific language governing permissions and // limitations under the License. package executor_test import ( "context" . "github.com/pingcap/check" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/util/testkit" ) func (s *testSuite) TestBatchInsertWithOnDuplicate(c *C) { tk := testkit.NewCTestKit(c, s.store) // prepare schema. ctx := tk.OpenSessionWithDB(context.Background(), "test") defer tk.CloseSession(ctx) tk.MustExec(ctx, "drop table if exists duplicate_test") tk.MustExec(ctx, "create table duplicate_test(id int auto_increment, k1 int, primary key(id), unique key uk(k1))") tk.MustExec(ctx, "insert into duplicate_test(k1) values(?),(?),(?),(?),(?)", tk.PermInt(5)...) defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.EnableBatchDML = true }) tk.ConcurrentRun(c, 3, 2, // concurrent: 3, loops: 2, // prepare data for each loop. func(ctx context.Context, tk *testkit.CTestKit, concurrent int, currentLoop int) [][][]interface{} { var ii [][][]interface{} for i := 0; i < concurrent; i++ { ii = append(ii, [][]interface{}{tk.PermInt(7)}) } return ii }, // concurrent execute logic. func(ctx context.Context, tk *testkit.CTestKit, input [][]interface{}) { tk.MustExec(ctx, "set @@session.tidb_batch_insert=1") tk.MustExec(ctx, "set @@session.tidb_dml_batch_size=1") _, err := tk.Exec(ctx, "insert ignore into duplicate_test(k1) values (?),(?),(?),(?),(?),(?),(?)", input[0]...) tk.IgnoreError(err) }, // check after all done. func(ctx context.Context, tk *testkit.CTestKit) { tk.MustExec(ctx, "admin check table duplicate_test") tk.MustQuery(ctx, "select d1.id, d1.k1 from duplicate_test d1 ignore index(uk), duplicate_test d2 use index (uk) where d1.id = d2.id and d1.k1 <> d2.k1"). Check(testkit.Rows()) }) }