DATA RACE: using SessionVars.PlannerSelectBlockAsName in planbuilder.go when doing "CheckTableExec"

[zimulala]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

https://do.pingcap.net/jenkins/blue/organizations/jenkins/pingcap%2Ftidb%2Fghpr_mysql_test/detail/ghpr_mysql_test/17635/pipeline

2. What did you expect to see? (Required)

No data race

3. What did you see instead (Required)

==================

WARNING: DATA RACE

Read at 0x00c012696580 by goroutine 1071685:

  github.com/pingcap/tidb/planner/core.(*PlanBuilder).Init()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/planner/core/planbuilder.go:731 +0x88

  github.com/pingcap/tidb/planner/core.rewriteAstExpr()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/planner/core/expression_rewriter.go:72 +0x193

  github.com/pingcap/tidb/expression.ColumnInfos2ColumnsAndNames()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/expression/expression.go:1001 +0xd7a

  github.com/pingcap/tidb/util/admin.makeRowDecoder()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/admin/admin.go:196 +0x3b6

  github.com/pingcap/tidb/util/admin.iterRecords()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/admin/admin.go:224 +0x6b5

  github.com/pingcap/tidb/util/admin.CheckRecordAndIndex()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/admin/admin.go:186 +0x4fd

  github.com/pingcap/tidb/executor.(*CheckTableExec).checkTableRecord()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/executor.go:1089 +0x413

  github.com/pingcap/tidb/executor.(*CheckTableExec).Next.func2.1()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/executor.go:1053 +0x24d

  github.com/pingcap/tidb/util.WithRecovery()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/misc.go:96 +0x6d

  github.com/pingcap/tidb/executor.(*CheckTableExec).Next.func2()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/executor.go:1042 +0xc7

  github.com/pingcap/tidb/util.(*WaitGroupWrapper).Run.func1()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/wait_group_wrapper.go:154 +0x73



Previous write at 0x00c012696580 by goroutine 1071684:

  github.com/pingcap/tidb/planner/core.(*PlanBuilder).Init()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/planner/core/planbuilder.go:735 +0x13d

  github.com/pingcap/tidb/planner/core.rewriteAstExpr()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/planner/core/expression_rewriter.go:72 +0x193

  github.com/pingcap/tidb/expression.ColumnInfos2ColumnsAndNames()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/expression/expression.go:1001 +0xd7a

  github.com/pingcap/tidb/util/admin.makeRowDecoder()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/admin/admin.go:196 +0x3b6

  github.com/pingcap/tidb/util/admin.iterRecords()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/admin/admin.go:224 +0x6b5

  github.com/pingcap/tidb/util/admin.CheckRecordAndIndex()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/admin/admin.go:186 +0x4fd

  github.com/pingcap/tidb/executor.(*CheckTableExec).checkTableRecord()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/executor.go:1089 +0x413

  github.com/pingcap/tidb/executor.(*CheckTableExec).Next.func2.1()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/executor.go:1053 +0x24d

  github.com/pingcap/tidb/util.WithRecovery()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/misc.go:96 +0x6d

  github.com/pingcap/tidb/executor.(*CheckTableExec).Next.func2()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/executor/executor.go:1042 +0xc7

  github.com/pingcap/tidb/util.(*WaitGroupWrapper).Run.func1()

      /home/jenkins/agent/workspace/pingcap/tidb/ghpr_mysql_test/tidb/util/wait_group_wrapper.go:154 +0x73

4. What is your TiDB version? (Required)

master
reproduce pr: #42264