71 lines
2.4 KiB
Go
71 lines
2.4 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package executor_test
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import (
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"context"
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"math/rand"
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"testing"
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"github.com/pingcap/tidb/testkit"
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)
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func TestBatchInsertWithOnDuplicate(t *testing.T) {
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store := testkit.CreateMockStore(t)
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tk := testkit.NewAsyncTestKit(t, store)
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// prepare schema.
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ctx := tk.OpenSession(context.Background(), "test")
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defer tk.CloseSession(ctx)
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tk.MustExec(ctx, "drop table if exists duplicate_test")
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tk.MustExec(ctx, "create table duplicate_test(id int auto_increment, k1 int, primary key(id), unique key uk(k1))")
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tk.MustExec(ctx, "insert into duplicate_test(k1) values(?),(?),(?),(?),(?)", permInt(5)...)
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tk.MustExec(ctx, "SET GLOBAL tidb_enable_batch_dml = 1")
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defer tk.MustExec(ctx, "SET GLOBAL tidb_enable_batch_dml = 0")
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tk.ConcurrentRun(
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3,
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2,
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// prepare data for each loop.
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func(ctx context.Context, tk *testkit.AsyncTestKit, concurrent int, currentLoop int) [][][]interface{} {
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var ii [][][]interface{}
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for i := 0; i < concurrent; i++ {
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ii = append(ii, [][]interface{}{permInt(7)})
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}
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return ii
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},
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// concurrent execute logic.
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func(ctx context.Context, tk *testkit.AsyncTestKit, input [][]interface{}) {
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tk.MustExec(ctx, "set @@session.tidb_batch_insert=1")
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tk.MustExec(ctx, "set @@session.tidb_dml_batch_size=1")
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_, _ = tk.Exec(ctx, "insert ignore into duplicate_test(k1) values (?),(?),(?),(?),(?),(?),(?)", input[0]...)
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},
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// check after all done.
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func(ctx context.Context, tk *testkit.AsyncTestKit) {
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tk.MustExec(ctx, "admin check table duplicate_test")
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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())
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})
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}
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func permInt(n int) []interface{} {
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randPermSlice := rand.Perm(n)
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v := make([]interface{}, 0, len(randPermSlice))
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for _, i := range randPermSlice {
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v = append(v, i)
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}
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return v
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}
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