You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

96 lines
3.5 KiB

// Copyright 2019 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package stmtctx_test
import (
"fmt"
"testing"
"time"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/sessionctx/stmtctx"
"github.com/pingcap/tidb/util/execdetails"
)
func TestT(t *testing.T) {
TestingT(t)
}
type stmtctxSuit struct{}
var _ = Suite(&stmtctxSuit{})
func (s *stmtctxSuit) TestCopTasksDetails(c *C) {
ctx := new(stmtctx.StatementContext)
backoffs := []string{"tikvRPC", "pdRPC", "regionMiss"}
for i := 0; i < 100; i++ {
d := &execdetails.ExecDetails{
CalleeAddress: fmt.Sprintf("%v", i+1),
ProcessTime: time.Second * time.Duration(i+1),
WaitTime: time.Millisecond * time.Duration(i+1),
BackoffSleep: make(map[string]time.Duration),
BackoffTimes: make(map[string]int),
}
for _, backoff := range backoffs {
d.BackoffSleep[backoff] = time.Millisecond * 100 * time.Duration(i+1)
d.BackoffTimes[backoff] = i + 1
}
ctx.MergeExecDetails(d, nil)
}
d := ctx.CopTasksDetails()
c.Assert(d.NumCopTasks, Equals, 100)
c.Assert(d.AvgProcessTime, Equals, time.Second*101/2)
c.Assert(d.P90ProcessTime, Equals, time.Second*91)
c.Assert(d.MaxProcessTime, Equals, time.Second*100)
c.Assert(d.MaxProcessAddress, Equals, "100")
c.Assert(d.AvgWaitTime, Equals, time.Millisecond*101/2)
c.Assert(d.P90WaitTime, Equals, time.Millisecond*91)
c.Assert(d.MaxWaitTime, Equals, time.Millisecond*100)
c.Assert(d.MaxWaitAddress, Equals, "100")
fields := d.ToZapFields()
c.Assert(len(fields), Equals, 9)
for _, backoff := range backoffs {
c.Assert(d.MaxBackoffAddress[backoff], Equals, "100")
c.Assert(d.MaxBackoffTime[backoff], Equals, 100*time.Millisecond*100)
c.Assert(d.P90BackoffTime[backoff], Equals, time.Millisecond*100*91)
c.Assert(d.AvgBackoffTime[backoff], Equals, time.Millisecond*100*101/2)
c.Assert(d.TotBackoffTimes[backoff], Equals, 101*50)
c.Assert(d.TotBackoffTime[backoff], Equals, 101*50*100*time.Millisecond)
}
}
func (s *stmtctxSuit) TestStatementContextPushDownFLags(c *C) {
testCases := []struct {
in *stmtctx.StatementContext
out uint64
}{
{&stmtctx.StatementContext{InInsertStmt: true}, 8},
{&stmtctx.StatementContext{InUpdateStmt: true}, 16},
{&stmtctx.StatementContext{InDeleteStmt: true}, 16},
{&stmtctx.StatementContext{InSelectStmt: true}, 32},
{&stmtctx.StatementContext{IgnoreTruncate: true}, 1},
{&stmtctx.StatementContext{TruncateAsWarning: true}, 2},
{&stmtctx.StatementContext{OverflowAsWarning: true}, 64},
{&stmtctx.StatementContext{IgnoreZeroInDate: true}, 128},
{&stmtctx.StatementContext{DividedByZeroAsWarning: true}, 256},
{&stmtctx.StatementContext{InLoadDataStmt: true}, 1024},
{&stmtctx.StatementContext{InSelectStmt: true, TruncateAsWarning: true}, 34},
{&stmtctx.StatementContext{DividedByZeroAsWarning: true, IgnoreTruncate: true}, 257},
{&stmtctx.StatementContext{InUpdateStmt: true, IgnoreZeroInDate: true, InLoadDataStmt: true}, 1168},
}
for _, tt := range testCases {
got := tt.in.PushDownFlags()
c.Assert(got, Equals, tt.out, Commentf("get %v, want %v", got, tt.out))
}
}