40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
// Copyright 2018 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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// 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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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/util/testkit"
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)
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func (s *testSuite) TestIndexLookupJoinHang(c *C) {
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tk := testkit.NewTestKitWithInit(c, s.store)
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tk.MustExec("create table idxJoinOuter (a int unsigned)")
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tk.MustExec("create table idxJoinInner (a int unsigned unique)")
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tk.MustExec("insert idxJoinOuter values (1), (1), (1), (1), (1)")
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tk.MustExec("insert idxJoinInner values (1)")
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tk.Se.GetSessionVars().IndexJoinBatchSize = 1
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tk.Se.GetSessionVars().IndexLookupJoinConcurrency = 1
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rs, err := tk.Exec("select /*+ TIDB_INLJ(o, i)*/ * from idxJoinOuter o left join idxJoinInner i on o.a = i.a where o.a in (1, 2) and (i.a - 3) > 0")
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c.Assert(err, IsNil)
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chk := rs.NewChunk()
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for i := 0; i < 5; i++ {
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rs.Next(context.Background(), chk)
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}
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rs.Close()
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}
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