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builtin_time_test.go
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// Copyright 2015 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 expression
import (
"math"
"strings"
"time"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/ast"
"github.com/pingcap/tidb/util/mock"
"github.com/pingcap/tidb/util/testleak"
"github.com/pingcap/tidb/util/testutil"
"github.com/pingcap/tidb/util/types"
)
func (s *testEvaluatorSuite) TestDate(c *C) {
defer testleak.AfterTest(c)()
tblDate := []struct {
Input interface{}
Expect interface{}
}{
{"2011-11-11", "2011-11-11"},
{nil, nil},
{"2011-11-11 10:10:10", "2011-11-11"},
}
dtblDate := tblToDtbl(tblDate)
for _, t := range dtblDate {
fc := funcs[ast.Date]
f, err := fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Expect"][0])
}
// test year, month and day
tbl := []struct {
Input string
Year int64
Month int64
MonthName string
DayOfMonth int64
DayOfWeek int64
DayOfYear int64
WeekDay int64
DayName string
Week int64
WeekOfYear int64
YearWeek int64
}{
{"2000-01-01", 2000, 1, "January", 1, 7, 1, 5, "Saturday", 0, 52, 199952},
{"2011-11-11", 2011, 11, "November", 11, 6, 315, 4, "Friday", 45, 45, 201145},
{"0000-01-01", int64(0), 1, "January", 1, 7, 1, 5, "Saturday", 1, 52, 1},
}
dtbl := tblToDtbl(tbl)
for ith, t := range dtbl {
fc := funcs[ast.Year]
f, err := fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Year"][0])
fc = funcs[ast.Month]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Month"][0])
fc = funcs[ast.MonthName]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["MonthName"][0])
fc = funcs[ast.DayOfMonth]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfMonth"][0])
fc = funcs[ast.DayOfWeek]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfWeek"][0])
fc = funcs[ast.DayOfYear]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfYear"][0])
fc = funcs[ast.Weekday]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["WeekDay"][0])
fc = funcs[ast.DayName]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayName"][0])
fc = funcs[ast.Week]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Week"][0], Commentf("no.%d", ith))
fc = funcs[ast.WeekOfYear]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["WeekOfYear"][0])
fc = funcs[ast.YearWeek]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["YearWeek"][0], Commentf("no.%d", ith))
}
// test nil
tblNil := []struct {
Input interface{}
Year interface{}
Month interface{}
MonthName interface{}
DayOfMonth interface{}
DayOfWeek interface{}
DayOfYear interface{}
WeekDay interface{}
DayName interface{}
Week interface{}
WeekOfYear interface{}
YearWeek interface{}
}{
{nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil},
{"0000-00-00", int64(0), int64(0), nil, int64(0), nil, nil, nil, nil, nil, nil, nil},
}
dtblNil := tblToDtbl(tblNil)
for _, t := range dtblNil {
fc := funcs[ast.Year]
f, err := fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Year"][0])
fc = funcs[ast.Month]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Month"][0])
fc = funcs[ast.MonthName]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["MonthName"][0])
fc = funcs[ast.DayOfMonth]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfMonth"][0])
fc = funcs[ast.DayOfWeek]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfWeek"][0])
fc = funcs[ast.DayOfYear]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfYear"][0])
fc = funcs[ast.Weekday]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["WeekDay"][0])
fc = funcs[ast.DayName]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayName"][0])
fc = funcs[ast.Week]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Week"][0])
fc = funcs[ast.WeekOfYear]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["WeekOfYear"][0])
fc = funcs[ast.YearWeek]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["YearWeek"][0])
}
}
func (s *testEvaluatorSuite) TestDateFormat(c *C) {
defer testleak.AfterTest(c)()
// Test case for https://github.com/pingcap/tidb/issues/2908
// SELECT DATE_FORMAT(null,'%Y-%M-%D')
args := []types.Datum{types.NewDatum(nil), types.NewStringDatum("%Y-%M-%D")}
fc := funcs[ast.DateFormat]
f, err := fc.getFunction(datumsToConstants(args), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.IsNull(), Equals, true)
tblDate := []struct {
Input []string
Expect interface{}
}{
{[]string{"2010-01-07 23:12:34.12345",
"%b %M %m %c %D %d %e %j %k %h %i %p %r %T %s %f %U %u %V %v %a %W %w %X %x %Y %y %%"},
"Jan January 01 1 7th 07 7 007 23 11 12 PM 11:12:34 PM 23:12:34 34 123450 01 01 01 01 Thu Thursday 4 2010 2010 2010 10 %"},
{[]string{"2012-12-21 23:12:34.123456",
"%b %M %m %c %D %d %e %j %k %h %i %p %r %T %s %f %U %u %V %v %a %W %w %X %x %Y %y %%"},
"Dec December 12 12 21st 21 21 356 23 11 12 PM 11:12:34 PM 23:12:34 34 123456 51 51 51 51 Fri Friday 5 2012 2012 2012 12 %"},
{[]string{"0000-01-01 00:00:00.123456",
// Functions week() and yearweek() don't support multi mode,
// so the result of "%U %u %V %Y" is different from MySQL.
"%b %M %m %c %D %d %e %j %k %h %i %p %r %T %s %f %v %x %Y %y %%"},
"Jan January 01 1 1st 01 1 001 0 12 00 AM 12:00:00 AM 00:00:00 00 123456 52 4294967295 0000 00 %"},
{[]string{"2016-09-3 00:59:59.123456",
"abc%b %M %m %c %D %d %e %j %k %h %i %p %r %T %s %f %U %u %V %v %a %W %w %X %x %Y %y!123 %%xyz %z"},
"abcSep September 09 9 3rd 03 3 247 0 12 59 AM 12:59:59 AM 00:59:59 59 123456 35 35 35 35 Sat Saturday 6 2016 2016 2016 16!123 %xyz z"},
{[]string{"2012-10-01 00:00:00",
"%b %M %m %c %D %d %e %j %k %H %i %p %r %T %s %f %v %x %Y %y %%"},
"Oct October 10 10 1st 01 1 275 0 00 00 AM 12:00:00 AM 00:00:00 00 000000 40 2012 2012 12 %"},
}
dtblDate := tblToDtbl(tblDate)
for i, t := range dtblDate {
fc := funcs[ast.DateFormat]
f, err := fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Expect"][0], Commentf("no.%d \nobtain:%v \nexpect:%v\n", i,
v.GetValue(), t["Expect"][0].GetValue()))
}
}
func (s *testEvaluatorSuite) TestClock(c *C) {
defer testleak.AfterTest(c)()
// test hour, minute, second, micro second
tbl := []struct {
Input string
Hour int64
Minute int64
Second int64
MicroSecond int64
Time string
}{
{"10:10:10.123456", 10, 10, 10, 123456, "10:10:10.123456"},
{"11:11:11.11", 11, 11, 11, 110000, "11:11:11.11"},
{"2010-10-10 11:11:11.11", 11, 11, 11, 110000, "11:11:11.11"},
}
dtbl := tblToDtbl(tbl)
for _, t := range dtbl {
fc := funcs[ast.Hour]
f, err := fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Hour"][0])
fc = funcs[ast.Minute]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Minute"][0])
fc = funcs[ast.Second]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Second"][0])
fc = funcs[ast.MicroSecond]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["MicroSecond"][0])
fc = funcs[ast.Time]
f, err = fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Time"][0])
}
// nil
fc := funcs[ast.Hour]
f, err := fc.getFunction(datumsToConstants(types.MakeDatums(nil)), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
fc = funcs[ast.Minute]
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(nil)), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
fc = funcs[ast.Second]
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(nil)), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
fc = funcs[ast.MicroSecond]
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(nil)), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
fc = funcs[ast.Time]
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(nil)), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
// test error
errTbl := []string{
"2011-11-11T10:10:10.11",
"2011-11-11 10:10:10.11.12",
}
for _, t := range errTbl {
td := types.MakeDatums(t)
fc := funcs[ast.Hour]
f, err := fc.getFunction(datumsToConstants(td), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
fc = funcs[ast.Minute]
f, err = fc.getFunction(datumsToConstants(td), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
fc = funcs[ast.Second]
f, err = fc.getFunction(datumsToConstants(td), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
fc = funcs[ast.MicroSecond]
f, err = fc.getFunction(datumsToConstants(td), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
fc = funcs[ast.Time]
f, err = fc.getFunction(datumsToConstants(td), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
}
}
func (s *testEvaluatorSuite) TestNowAndUTCTimestamp(c *C) {
defer testleak.AfterTest(c)()
gotime := func(t types.Time, l *time.Location) time.Time {
tt, err := t.Time.GoTime(l)
c.Assert(err, IsNil)
return tt
}
for _, x := range []struct {
fc functionClass
now func() time.Time
}{
{funcs[ast.Now], func() time.Time { return time.Now() }},
{funcs[ast.UTCTimestamp], func() time.Time { return time.Now().UTC() }},
} {
f, err := x.fc.getFunction(datumsToConstants(nil), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
ts := x.now()
c.Assert(err, IsNil)
t := v.GetMysqlTime()
// we canot use a constant value to check timestamp funcs, so here
// just to check the fractional seconds part and the time delta.
c.Assert(strings.Contains(t.String(), "."), IsFalse)
c.Assert(ts.Sub(gotime(t, ts.Location())), LessEqual, time.Second)
f, err = x.fc.getFunction(datumsToConstants(types.MakeDatums(6)), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
ts = x.now()
c.Assert(err, IsNil)
t = v.GetMysqlTime()
c.Assert(strings.Contains(t.String(), "."), IsTrue)
c.Assert(ts.Sub(gotime(t, ts.Location())), LessEqual, time.Millisecond)
f, err = x.fc.getFunction(datumsToConstants(types.MakeDatums(8)), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
f, err = x.fc.getFunction(datumsToConstants(types.MakeDatums(-2)), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
}
}
func (s *testEvaluatorSuite) TestSysDate(c *C) {
defer testleak.AfterTest(c)()
fc := funcs[ast.Sysdate]
f, err := fc.getFunction(datumsToConstants(nil), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
last := time.Now()
c.Assert(err, IsNil)
n := v.GetMysqlTime()
c.Assert(n.String(), GreaterEqual, last.Format(types.TimeFormat))
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(6)), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
n = v.GetMysqlTime()
c.Assert(n.String(), GreaterEqual, last.Format(types.TimeFormat))
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(-2)), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
}
func (s *testEvaluatorSuite) TestFromUnixTime(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
isDecimal bool
integralPart int64
fractionalPart int64
decimal float64
format string
ansLen int
}{
{false, 1451606400, 0, 0, "", 19},
{true, 1451606400, 123456000, 1451606400.123456, "", 26},
{true, 1451606400, 999999000, 1451606400.999999, "", 26},
{true, 1451606400, 999999900, 1451606400.9999999, "", 19},
{false, 1451606400, 0, 0, "%Y %D %M %h:%i:%s %x", 19},
{true, 1451606400, 123456000, 1451606400.123456, "%Y %D %M %h:%i:%s %x", 26},
{true, 1451606400, 999999000, 1451606400.999999, "%Y %D %M %h:%i:%s %x", 26},
{true, 1451606400, 999999900, 1451606400.9999999, "%Y %D %M %h:%i:%s %x", 19},
}
fc := funcs[ast.FromUnixTime]
for _, t := range tbl {
var timestamp types.Datum
if !t.isDecimal {
timestamp.SetInt64(t.integralPart)
} else {
timestamp.SetFloat64(t.decimal)
}
// result of from_unixtime() is dependent on specific time zone.
unixTime := time.Unix(t.integralPart, t.fractionalPart).Round(time.Microsecond).String()[:t.ansLen]
if len(t.format) == 0 {
f, err := fc.getFunction(datumsToConstants([]types.Datum{timestamp}), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
ans := v.GetMysqlTime()
c.Assert(ans.String(), Equals, unixTime)
} else {
format := types.NewStringDatum(t.format)
f, err := fc.getFunction(datumsToConstants([]types.Datum{timestamp, format}), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
result, err := builtinDateFormat([]types.Datum{types.NewStringDatum(unixTime), format}, s.ctx)
c.Assert(err, IsNil)
c.Assert(v.GetString(), Equals, result.GetString())
}
}
f, err := fc.getFunction(datumsToConstants(types.MakeDatums(-12345)), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(math.MaxInt32+1)), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
}
func (s *testEvaluatorSuite) TestCurrentDate(c *C) {
defer testleak.AfterTest(c)()
last := time.Now()
fc := funcs[ast.CurrentDate]
f, err := fc.getFunction(datumsToConstants(nil), mock.NewContext())
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
n := v.GetMysqlTime()
c.Assert(n.String(), GreaterEqual, last.Format(types.DateFormat))
}
func (s *testEvaluatorSuite) TestCurrentTime(c *C) {
defer testleak.AfterTest(c)()
tfStr := "15:04:05"
last := time.Now()
fc := funcs[ast.CurrentTime]
f, err := fc.getFunction(datumsToConstants(types.MakeDatums(nil)), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
n := v.GetMysqlDuration()
c.Assert(n.String(), HasLen, 8)
c.Assert(n.String(), GreaterEqual, last.Format(tfStr))
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(3)), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
n = v.GetMysqlDuration()
c.Assert(n.String(), HasLen, 12)
c.Assert(n.String(), GreaterEqual, last.Format(tfStr))
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(6)), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
n = v.GetMysqlDuration()
c.Assert(n.String(), HasLen, 15)
c.Assert(n.String(), GreaterEqual, last.Format(tfStr))
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(-1)), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
f, err = fc.getFunction(datumsToConstants(types.MakeDatums(7)), s.ctx)
c.Assert(err, IsNil)
_, err = f.eval(nil)
c.Assert(err, NotNil)
}
func (s *testEvaluatorSuite) TestUTCTime(c *C) {
defer testleak.AfterTest(c)()
tfStr := "15:04:05"
last := time.Now().UTC()
fc := funcs[ast.UTCTime]
tests := []struct {
param interface{}
expect int
}{{nil, 8}, {0, 8}, {3, 12}, {6, 15}, {-1, 0}, {7, 0}}
for _, test := range tests {
f, err := fc.getFunction(datumsToConstants(types.MakeDatums(test.param)), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
if test.expect > 0 {
c.Assert(err, IsNil)
n := v.GetMysqlDuration()
c.Assert(n.String(), HasLen, test.expect)
c.Assert(n.String(), GreaterEqual, last.Format(tfStr))
} else {
c.Assert(err, NotNil)
}
}
}
func (s *testEvaluatorSuite) TestUTCDate(c *C) {
defer testleak.AfterTest(c)()
last := time.Now().UTC()
fc := funcs[ast.UTCDate]
f, err := fc.getFunction(datumsToConstants(nil), mock.NewContext())
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
n := v.GetMysqlTime()
c.Assert(n.String(), GreaterEqual, last.Format(types.DateFormat))
}
func (s *testEvaluatorSuite) TestStrToDate(c *C) {
tests := []struct {
Date string
Format string
Success bool
Expect time.Time
}{
{"20161122165022", "%Y%m%d%H%i%s", true, time.Date(2016, 11, 22, 16, 50, 22, 0, time.Local)},
{"2016 11 22 16 50 22", "%Y%m%d%H%i%s", true, time.Date(2016, 11, 22, 16, 50, 22, 0, time.Local)},
{"16-50-22 2016 11 22", "%H-%i-%s%Y%m%d", true, time.Date(2016, 11, 22, 16, 50, 22, 0, time.Local)},
{"16-50 2016 11 22", "%H-%i-%s%Y%m%d", false, time.Time{}},
}
fc := funcs[ast.StrToDate]
for _, test := range tests {
date := types.NewStringDatum(test.Date)
format := types.NewStringDatum(test.Format)
f, err := fc.getFunction(datumsToConstants([]types.Datum{date, format}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
if !test.Success {
c.Assert(err, IsNil)
c.Assert(result.IsNull(), IsTrue)
continue
}
c.Assert(result.Kind(), Equals, types.KindMysqlTime)
value := result.GetMysqlTime()
t1, _ := value.Time.GoTime(time.Local)
c.Assert(t1, Equals, test.Expect)
}
}
func (s *testEvaluatorSuite) TestFromDays(c *C) {
tests := []struct {
day int64
expect string
}{
{-140, "0000-00-00"}, // mysql FROM_DAYS returns 0000-00-00 for any day <= 365.
{140, "0000-00-00"}, // mysql FROM_DAYS returns 0000-00-00 for any day <= 365.
{735000, "2012-05-12"}, // Leap year.
{735030, "2012-06-11"},
{735130, "2012-09-19"},
{734909, "2012-02-11"},
{734878, "2012-01-11"},
{734927, "2012-02-29"},
{734634, "2011-05-12"}, // Non Leap year.
{734664, "2011-06-11"},
{734764, "2011-09-19"},
{734544, "2011-02-11"},
{734513, "2011-01-11"},
}
fc := funcs[ast.FromDays]
for _, test := range tests {
t1 := types.NewIntDatum(test.day)
f, err := fc.getFunction(datumsToConstants([]types.Datum{t1}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result.GetMysqlTime().String(), Equals, test.expect)
}
stringTests := []struct {
day string
expect string
}{
{"z550z", "0000-00-00"},
{"6500z", "0017-10-18"},
{"440", "0001-03-16"},
}
for _, test := range stringTests {
t1 := types.NewStringDatum(test.day)
f, err := fc.getFunction(datumsToConstants([]types.Datum{t1}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result.GetMysqlTime().String(), Equals, test.expect)
}
}
func (s *testEvaluatorSuite) TestDateDiff(c *C) {
// Test cases from https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_datediff
tests := []struct {
t1 string
t2 string
expect int64
}{
{"2004-05-21", "2004:01:02", 140},
{"2004-04-21", "2000:01:02", 1571},
{"2008-12-31 23:59:59.000001", "2008-12-30 01:01:01.000002", 1},
{"1010-11-30 23:59:59", "2010-12-31", -365274},
{"1010-11-30", "2210-11-01", -438262},
}
fc := funcs[ast.DateDiff]
for _, test := range tests {
t1 := types.NewStringDatum(test.t1)
t2 := types.NewStringDatum(test.t2)
f, err := fc.getFunction(datumsToConstants([]types.Datum{t1, t2}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result.GetInt64(), Equals, test.expect)
}
// Check if month is 0.
t1 := types.NewStringDatum("2016-00-01")
t2 := types.NewStringDatum("2016-01-13")
f, err := fc.getFunction(datumsToConstants([]types.Datum{t1, t2}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result.IsNull(), Equals, true)
f, err = fc.getFunction(datumsToConstants([]types.Datum{{}, types.NewStringDatum("2017-01-01")}), s.ctx)
c.Assert(err, IsNil)
d, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(d.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) TestTimeDiff(c *C) {
// Test cases from https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_timediff
tests := []struct {
t1 string
t2 string
expectStr string
}{
{"2000:01:01 00:00:00", "2000:01:01 00:00:00.000001", "-00:00:00.000001"},
{"2008-12-31 23:59:59.000001", "2008-12-30 01:01:01.000002", "46:58:57.999999"},
{"2016-12-00 12:00:00", "2016-12-01 12:00:00", "-24:00:00.000000"},
}
fc := funcs[ast.TimeDiff]
for _, test := range tests {
t1 := types.NewStringDatum(test.t1)
t2 := types.NewStringDatum(test.t2)
f, err := fc.getFunction(datumsToConstants([]types.Datum{t1, t2}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result.GetMysqlDuration().String(), Equals, test.expectStr)
}
f, err := fc.getFunction(datumsToConstants([]types.Datum{{}, types.NewStringDatum("2017-01-01")}), s.ctx)
c.Assert(err, IsNil)
d, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(d.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) TestWeek(c *C) {
// Test cases from https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_week
tests := []struct {
t string
mode int64
expect int64
}{
{"2008-02-20", 0, 7},
{"2008-02-20", 1, 8},
{"2008-12-31", 1, 53},
}
fc := funcs[ast.Week]
for _, test := range tests {
arg1 := types.NewStringDatum(test.t)
arg2 := types.NewIntDatum(test.mode)
f, err := fc.getFunction(datumsToConstants([]types.Datum{arg1, arg2}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result.GetInt64(), Equals, test.expect)
}
}
func (s *testEvaluatorSuite) TestYearWeek(c *C) {
// Test cases from https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_yearweek
tests := []struct {
t string
mode int64
expect int64
}{
{"1987-01-01", 0, 198652},
{"2000-01-01", 0, 199952},
}
fc := funcs[ast.YearWeek]
for _, test := range tests {
arg1 := types.NewStringDatum(test.t)
arg2 := types.NewIntDatum(test.mode)
f, err := fc.getFunction(datumsToConstants([]types.Datum{arg1, arg2}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result.GetInt64(), Equals, test.expect)
}
f, err := fc.getFunction(datumsToConstants(types.MakeDatums("2016-00-05")), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) TestTimestampDiff(c *C) {
tests := []struct {
unit string
t1 string
t2 string
expect int64
}{
{"MONTH", "2003-02-01", "2003-05-01", 3},
{"YEAR", "2002-05-01", "2001-01-01", -1},
{"MINUTE", "2003-02-01", "2003-05-01 12:05:55", 128885},
}
fc := funcs[ast.TimestampDiff]
for _, test := range tests {
args := []types.Datum{
types.NewStringDatum(test.unit),
types.NewStringDatum(test.t1),
types.NewStringDatum(test.t2),
}
f, err := fc.getFunction(datumsToConstants(args), s.ctx)
c.Assert(err, IsNil)
d, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(d.GetInt64(), Equals, test.expect)
}
s.ctx.GetSessionVars().StmtCtx.IgnoreTruncate = true
f, err := fc.getFunction(datumsToConstants([]types.Datum{types.NewStringDatum("DAY"),
types.NewStringDatum("2017-01-00"),
types.NewStringDatum("2017-01-01")}), s.ctx)
c.Assert(err, IsNil)
d, err := f.eval(nil)
c.Assert(d.Kind(), Equals, types.KindNull)
f, err = fc.getFunction(datumsToConstants([]types.Datum{types.NewStringDatum("DAY"),
{}, types.NewStringDatum("2017-01-01")}), s.ctx)
c.Assert(err, IsNil)
d, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(d.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) TestUnixTimestamp(c *C) {
fc := funcs[ast.UnixTimestamp]
f, err := fc.getFunction(nil, s.ctx)
c.Assert(err, IsNil)
d, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(d.GetInt64()-time.Now().Unix(), GreaterEqual, int64(-1))
c.Assert(d.GetInt64()-time.Now().Unix(), LessEqual, int64(1))
// Test case for https://github.com/pingcap/tidb/issues/2496
// select unix_timestamp(now());
n, err := builtinNow(nil, s.ctx)
c.Assert(err, IsNil)
args := []types.Datum{n}
f, err = fc.getFunction(datumsToConstants(args), s.ctx)
c.Assert(err, IsNil)
d, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(d.GetInt64()-time.Now().Unix(), GreaterEqual, int64(-1))
c.Assert(d.GetInt64()-time.Now().Unix(), LessEqual, int64(1))
// Test case for https://github.com/pingcap/tidb/issues/2852
// select UNIX_TIMESTAMP(null);
args = []types.Datum{types.NewDatum(nil)}
f, err = fc.getFunction(datumsToConstants(args), s.ctx)
c.Assert(err, IsNil)
d, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(d.IsNull(), Equals, true)
// Set the time_zone variable, because UnixTimestamp() result depends on it.
s.ctx.GetSessionVars().TimeZone = time.UTC
tests := []struct {
input types.Datum
expect string
}{
{types.NewIntDatum(20151113102019), "1447410019"},
{types.NewStringDatum("2015-11-13 10:20:19"), "1447410019"},
{types.NewStringDatum("2015-11-13 10:20:19.012"), "1447410019.012"},
{types.NewStringDatum("2017-00-02"), "0"},
}
for _, test := range tests {
f, err := fc.getFunction(datumsToConstants([]types.Datum{test.input}), s.ctx)
c.Assert(err, IsNil)
d, err := f.eval(nil)
c.Assert(err, IsNil)
str, err := d.ToString()
c.Assert(err, IsNil)
c.Assert(str, Equals, test.expect)
}
}
func (s *testEvaluatorSuite) TestDateArithFuncs(c *C) {
defer testleak.AfterTest(c)()
date := []string{"2016-12-31", "2017-01-01"}
fcAdd := funcs[ast.DateAdd]
fcSub := funcs[ast.DateSub]
args := types.MakeDatums(date[0], 1, "DAY")
f, err := fcAdd.getFunction(datumsToConstants(args), s.ctx)
c.Assert(err, IsNil)
v, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.GetMysqlTime().String(), Equals, date[1])
args = types.MakeDatums(date[1], 1, "DAY")
f, err = fcSub.getFunction(datumsToConstants(args), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.GetMysqlTime().String(), Equals, date[0])
args = types.MakeDatums(date[0], nil, "DAY")
f, err = fcAdd.getFunction(datumsToConstants(args), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.IsNull(), IsTrue)
args = types.MakeDatums(date[1], nil, "DAY")
f, err = fcSub.getFunction(datumsToConstants(args), s.ctx)
c.Assert(err, IsNil)
v, err = f.eval(nil)
c.Assert(err, IsNil)
c.Assert(v.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) TestTimestamp(c *C) {
tests := []struct {
t []types.Datum
expect string
}{
// one argument
{[]types.Datum{types.NewStringDatum("2017-01-18")}, "2017-01-18 00:00:00"},