fix

Signed-off-by: yisaer <disxiaofei@163.com>

executor/stale_txn_test.go

@@ -946,53 +946,6 @@ func (s *testStaleTxnSuite) TestStaleReadTemporaryTable(c *C) {
 	for _, query := range queries {
 		tk.MustExec(query.sql)
 	}
-
-	// test prepared stale select with schema change
-	tk.MustExec("alter table t add column c int")
-	tk.MustExec("insert into t values (4, 5)")
-	time.Sleep(10 * time.Millisecond)
-	tk.MustQuery("execute s").Check(staleRows)
-
-	// test dynamic timestamp stale select
-	time3 := time.Now()
-	tk.MustExec("alter table t add column d int")
-	tk.MustExec("insert into t values (4, 4, 4)")
-	time.Sleep(tolerance)
-	time4 := time.Now()
-	staleRows = testkit.Rows("1 <nil>", "2 <nil>", "3 <nil>", "4 5")
-	tk.MustQuery(fmt.Sprintf("select * from t as of timestamp CURRENT_TIMESTAMP(3) - INTERVAL %d MICROSECOND", time4.Sub(time3).Microseconds())).Check(staleRows)
-
-	// test prepared dynamic timestamp stale select
-	time5 := time.Now()
-	tk.MustExec(fmt.Sprintf(`prepare v from "select * from t as of timestamp CURRENT_TIMESTAMP(3) - INTERVAL %d MICROSECOND"`, time5.Sub(time3).Microseconds()))
-	tk.MustQuery("execute v").Check(staleRows)
-
-	// test point get
-	time6 := time.Now()
-	tk.MustExec("insert into t values (5, 5, 5)")
-	time.Sleep(tolerance)
-	tk.MustQuery(fmt.Sprintf("select * from t as of timestamp '%s' where c=5", time6.Format("2006-1-2 15:04:05.000"))).Check(testkit.Rows("4 5 <nil>"))
-}
-
-func (s *testStaleTxnSuite) TestStaleReadFutureTime(c *C) {
-	tk := testkit.NewTestKit(c, s.store)
-	tk.MustExec("use test")
-	tk.MustExec("drop table if exists t")
-	defer tk.MustExec("drop table if exists t")
-	tk.MustExec("create table t (id int)")
-	// Setting tx_read_ts to a time in the future will fail. (One day before the 2038 problem)
-	_, err := tk.Exec("start transaction read only as of timestamp '2038-01-18 03:14:07'")
-	c.Assert(err, ErrorMatches, "cannot set read timestamp to a future time")
-	// Transaction should not be started and read ts should not be set if check fails
-	c.Assert(tk.Se.GetSessionVars().InTxn(), IsFalse)
-	c.Assert(tk.Se.GetSessionVars().TxnReadTS.PeakTxnReadTS(), Equals, uint64(0))
-
-	_, err = tk.Exec("set transaction read only as of timestamp '2038-01-18 03:14:07'")
-	c.Assert(err, ErrorMatches, "cannot set read timestamp to a future time")
-	c.Assert(tk.Se.GetSessionVars().TxnReadTS.PeakTxnReadTS(), Equals, uint64(0))
-
-	_, err = tk.Exec("select * from t as of timestamp '2038-01-18 03:14:07'")
-	c.Assert(err, ErrorMatches, "cannot set read timestamp to a future time")
 }
 
 func (s *testStaleTxnSerialSuite) TestStaleReadPrepare(c *C) {