Unstable test TestStaleReadNoExtraTSORequest

[tangenta]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

Run unit test.

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

No error.

3. What did you see instead (Required)

panic: tso shouldn't be requested [recovered]
	panic: tso shouldn't be requested

goroutine 538314 [running]:
github.com/pingcap/tidb/executor.(*Compiler).Compile.func1()
	executor/compiler.go:54 +0x477
panic({0x4e3b140, 0x5e78500})
	GOROOT/src/runtime/panic.go:884 +0x213
github.com/pingcap/tidb/session.(*session).PrepareTSFuture(0xc0a0aea000, {0x5eada50, 0xc0b17c29f0}, {0x5e88c40, 0xc0b17c2c90}, {0x5537555, 0x6})
	session/session.go:3715 +0x32c
github.com/pingcap/tidb/sessiontxn/isolation.(*baseTxnContextProvider).replaceTxnTsFuture(0xc0a09116f0, {0x5e88c40, 0xc0b17c2c90})
	sessiontxn/isolation/base.go:389 +0xcf
github.com/pingcap/tidb/sessiontxn/isolation.(*baseTxnContextProvider).prepareTxn(0xc0a09116f0)
	sessiontxn/isolation/base.go:354 +0xf5
github.com/pingcap/tidb/sessiontxn/isolation.(*baseTxnContextProvider).AdviseWarmup(0xc0a09116f0)
	sessiontxn/isolation/base.go:414 +0x90
github.com/pingcap/tidb/session.(*txnManager).AdviseWarmup(0x5f1d6f8?)
	session/txnmanager.go:318 +0x3d
github.com/pingcap/tidb/planner.Optimize({0x5eada50, 0xc0b17c29f0}, {0x5f1d6f8, 0xc0a0aea000}, {0x5ebdf20, 0xc0b17bcfc0}, {0x5ee2a50, 0xc0b17c2a80})
	planner/optimize.go:194 +0x7ff
github.com/pingcap/tidb/executor.(*Compiler).Compile(0xc0ae0894b8, {0x5eada50?, 0xc0b17c29f0?}, {0x5ec3380?, 0xc0b17bcfc0})
	executor/compiler.go:98 +0x5cc
github.com/pingcap/tidb/session.(*session).ExecuteStmt(0xc0a0aea000, {0x5eada50?, 0xc0b17c29f0?}, {0x5ec3380?, 0xc0b17bcfc0?})
	session/session.go:2140 +0x62c
github.com/pingcap/tidb/session.(*session).ExecuteInternal(0xc0a0aea000, {0x5eada50, 0xc0b17c29f0}, {0xc08590dee0, 0xcb}, {0x0, 0x0, 0x0})
	session/session.go:1628 +0x268
github.com/pingcap/tidb/ddl.(*session).execute(0xc0a0ab55c0, {0x5ead9e0, 0xc000234000}, {0xc08590dee0, 0xcb}, {0x5558733, 0xf})
	ddl/ddl.go:1639 +0x216
github.com/pingcap/tidb/ddl.(*ddl).getJob(0xc0a08a5600, 0xc0fad0899968fd40?, 0x160242afc1?, 0xc0ae089ae0)
	ddl/job_table.go:113 +0x175
github.com/pingcap/tidb/ddl.(*ddl).getGeneralJob(0xc0ae089b78?, 0x1?)
	ddl/job_table.go:143 +0x4f
github.com/pingcap/tidb/ddl.(*ddl).loadDDLJobAndRun(0xc0a08a5600, 0xc0ae089d30?, 0xc0a18ddf50, 0xc0ae089dc0)
	ddl/job_table.go:225 +0x139
github.com/pingcap/tidb/ddl.(*ddl).startDispatchLoop(0xc0a08a5600)
	ddl/job_table.go:209 +0x7d4
github.com/pingcap/tidb/util.(*WaitGroupWrapper).Run.func1()
	util/wait_group_wrapper.go:154 +0x6b
created by github.com/pingcap/tidb/util.(*WaitGroupWrapper).Run
	util/wait_group_wrapper.go:152 +0x8d
--

4. What is your TiDB version? (Required)

0212c50