unstable test TestConcurrentDDLSwitch

[hawkingrei]

Bug Report

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1. Minimal reproduce step (Required)

[2022-09-16T06:48:32.138Z] panic: expect delete range count 6, actual count 7 [recovered]

[2022-09-16T06:48:32.138Z] 	panic: expect delete range count 6, actual count 7

[2022-09-16T06:48:32.138Z] 

[2022-09-16T06:48:32.138Z] goroutine 26168 [running]:

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/executor.(*ExecStmt).Exec.func1()

[2022-09-16T06:48:32.138Z] 	executor/adapter.go:433 +0x417

[2022-09-16T06:48:32.138Z] panic({0x44751c0, 0xc004fdf660})

[2022-09-16T06:48:32.138Z] 	GOROOT/src/runtime/panic.go:884 +0x212

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/ddl.(*ddl).checkDeleteRangeCnt(0xc0043fc6c0?, 0xc0043fc6c0)

[2022-09-16T06:48:32.138Z] 	ddl/sanity_check.go:50 +0x1e5

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/ddl.(*ddl).checkHistoryJobInTest(0xc004e2d920?, {0x52b7370, 0xc001ea3900}, 0xc0043fc6c0)

[2022-09-16T06:48:32.138Z] 	ddl/sanity_check.go:191 +0xe5

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/ddl.(*ddl).DoDDLJob(0xc002704b00, {0x52b7370?, 0xc001ea3900}, 0xc004beed80)

[2022-09-16T06:48:32.138Z] 	ddl/ddl.go:1031 +0x17b4

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/ddl.(*ddl).createIndex(0x791b1c0?, {0x52b7370, 0xc001ea3900}, {{{0x4b0651e, 0x4}, {0x4b0651e, 0x4}}, {{0xc004d6c42c, 0x2}, {0xc004d6c42c, ...}}}, ...)

[2022-09-16T06:48:32.138Z] 	ddl/ddl_api.go:6090 +0x10c6

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/ddl.(*ddl).AlterTable(0xc002704b00, {0x52491b0, 0xc005a318f0}, {0x52b7370, 0xc001ea3900?}, 0xc004d6c42c?)

[2022-09-16T06:48:32.138Z] 	ddl/ddl_api.go:3214 +0x945

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/executor.(*DDLExec).executeAlterTable(0xc00284fd60, {0x52491b0, 0xc005a318f0}, 0xc005580a80)

[2022-09-16T06:48:32.138Z] 	executor/ddl.go:370 +0x10f

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/executor.(*DDLExec).Next(0xc00284fd60, {0x52491b0?, 0xc005a318c0?}, 0x0?)

[2022-09-16T06:48:32.138Z] 	executor/ddl.go:148 +0x3ab

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/executor.Next({0x52491b0, 0xc005a318c0}, {0x524ce20, 0xc00284fd60}, 0xc001241900)

[2022-09-16T06:48:32.138Z] 	executor/executor.go:324 +0x55e

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/executor.(*ExecStmt).next(0xc0055db4a0, {0x52491b0, 0xc005a318c0}, {0x524ce20, 0xc00284fd60}, 0x0?)

[2022-09-16T06:48:32.138Z] 	executor/adapter.go:963 +0x7e

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/executor.(*ExecStmt).handleNoDelayExecutor(0xc0055db4a0, {0x52491b0, 0xc005a318c0}, {0x524ce20?, 0xc00284fd60})

[2022-09-16T06:48:32.138Z] 	executor/adapter.go:737 +0x611

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/executor.(*ExecStmt).handleNoDelay(0xc0055db4a0, {0x52491b0, 0xc005a318c0}, {0x524ce20?, 0xc00284fd60?}, 0x0)

[2022-09-16T06:48:32.138Z] 	executor/adapter.go:585 +0x258

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/executor.(*ExecStmt).Exec(0xc0055db4a0, {0x52491b0, 0xc005a318c0})

[2022-09-16T06:48:32.138Z] 	executor/adapter.go:534 +0xec9

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/session.runStmt({0x5249140, 0xc00022c000}, 0xc001ea3900, {0x525b530, 0xc0055db4a0?})

[2022-09-16T06:48:32.138Z] 	session/session.go:2190 +0x6c9

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/session.(*session).ExecuteStmt(0xc001ea3900, {0x5249140, 0xc00022c000}, {0x52619d0?, 0xc005580a80?})

[2022-09-16T06:48:32.138Z] 	session/session.go:2054 +0xcd6

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/testkit.(*TestKit).ExecWithContext(0xc004f8f140, {0x5249140, 0xc00022c000}, {0xc004d6c420, 0x24}, {0x0?, 0xc000c59f40?, 0x3c46ea4?})

[2022-09-16T06:48:32.138Z] 	testkit/testkit.go:278 +0x408

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/testkit.(*TestKit).MustExecWithContext(0xc004f8f140, {0x5249140?, 0xc00022c000?}, {0xc004d6c420, 0x24}, {0x0, 0x0, 0x0})

[2022-09-16T06:48:32.138Z] 	testkit/testkit.go:118 +0x6b

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/testkit.(*TestKit).MustExec(...)

[2022-09-16T06:48:32.138Z] 	testkit/testkit.go:113

[2022-09-16T06:48:32.138Z] github.com/pingcap/tidb/ddl_test.TestConcurrentDDLSwitch.func1.1(0x63)

[2022-09-16T06:48:32.138Z] 	ddl/job_table_test.go:242 +0xc9

[2022-09-16T06:48:32.138Z] created by github.com/pingcap/tidb/ddl_test.TestConcurrentDDLSwitch.func1

[2022-09-16T06:48:32.138Z] 	ddl/job_table_test.go:239 +0x85

[2022-09-16T06:48:32.138Z] --

https://ci.pingcap.net/blue/organizations/jenkins/tidb_ghpr_unit_test/detail/tidb_ghpr_unit_test/69669/pipeline

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3. What did you see instead (Required)

4. What is your TiDB version? (Required)