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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 (
"fmt"
"math"
"strings"
"time"
"github.com/juju/errors"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/ast"
"github.com/pingcap/tidb/mysql"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/sessionctx/stmtctx"
"github.com/pingcap/tidb/sessionctx/variable"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/charset"
"github.com/pingcap/tidb/util/mock"
"github.com/pingcap/tidb/util/testleak"
"github.com/pingcap/tidb/util/testutil"
)
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(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, 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(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Year"][0])
fc = funcs[ast.Month]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Month"][0])
fc = funcs[ast.MonthName]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["MonthName"][0])
fc = funcs[ast.DayOfMonth]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfMonth"][0])
fc = funcs[ast.DayOfWeek]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfWeek"][0])
fc = funcs[ast.DayOfYear]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfYear"][0])
fc = funcs[ast.Weekday]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
c.Assert(f, NotNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["WeekDay"][0])
fc = funcs[ast.DayName]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayName"][0])
fc = funcs[ast.Week]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, 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(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["WeekOfYear"][0])
fc = funcs[ast.YearWeek]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, 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 00:00:00", nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil},
{"0000-00-00", nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil},
}
dtblNil := tblToDtbl(tblNil)
for _, t := range dtblNil {
fc := funcs[ast.Year]
f, err := fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Year"][0])
fc = funcs[ast.Month]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Month"][0])
fc = funcs[ast.MonthName]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["MonthName"][0])
fc = funcs[ast.DayOfMonth]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfMonth"][0])
fc = funcs[ast.DayOfWeek]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfWeek"][0])
fc = funcs[ast.DayOfYear]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayOfYear"][0])
fc = funcs[ast.Weekday]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
c.Assert(f, NotNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["WeekDay"][0])
fc = funcs[ast.DayName]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["DayName"][0])
fc = funcs[ast.Week]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Week"][0])
fc = funcs[ast.WeekOfYear]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["WeekOfYear"][0])
fc = funcs[ast.YearWeek]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["YearWeek"][0])
}
}
func (s *testEvaluatorSuite) TestMonthName(c *C) {
sc := s.ctx.GetSessionVars().StmtCtx
sc.IgnoreZeroInDate = true
defer testleak.AfterTest(c)()
cases := []struct {
args interface{}
expected string
isNil bool
getErr bool
}{
{"2017-12-01", "December", false, false},
{"2017-00-01", "", true, false},
{"0000-00-00", "", true, false},
{"0000-00-00 00:00:00.000000", "", true, false},
{"0000-00-00 00:00:11.000000", "", true, false},
}
for _, t := range cases {
f, err := newFunctionForTest(s.ctx, ast.MonthName, s.primitiveValsToConstants([]interface{}{t.args})...)
c.Assert(err, IsNil)
d, err := f.Eval(nil)
if t.getErr {
c.Assert(err, NotNil)
} else {
c.Assert(err, IsNil)
if t.isNil {
c.Assert(d.Kind(), Equals, types.KindNull)
} else {
c.Assert(d.GetString(), Equals, t.expected)
}
}
}
_, err := funcs[ast.MonthName].getFunction(s.ctx, []Expression{Zero})
c.Assert(err, IsNil)
}
func (s *testEvaluatorSuite) TestDayName(c *C) {
sc := s.ctx.GetSessionVars().StmtCtx
sc.IgnoreZeroInDate = true
defer testleak.AfterTest(c)()
cases := []struct {
args interface{}
expected string
isNil bool
getErr bool
}{
{"2017-12-01", "Friday", false, false},
{"0000-12-01", "Friday", false, false},
{"2017-00-01", "", true, false},
{"2017-01-00", "", true, false},
{"0000-00-00", "", true, false},
{"0000-00-00 00:00:00.000000", "", true, false},
{"0000-00-00 00:00:11.000000", "", true, false},
}
for _, t := range cases {
f, err := newFunctionForTest(s.ctx, ast.DayName, s.primitiveValsToConstants([]interface{}{t.args})...)
c.Assert(err, IsNil)
d, err := f.Eval(nil)
if t.getErr {
c.Assert(err, NotNil)
} else {
c.Assert(err, IsNil)
if t.isNil {
c.Assert(d.Kind(), Equals, types.KindNull)
} else {
c.Assert(d.GetString(), Equals, t.expected)
}
}
}
_, err := funcs[ast.DayName].getFunction(s.ctx, []Expression{Zero})
c.Assert(err, IsNil)
}
func (s *testEvaluatorSuite) TestDayOfWeek(c *C) {
defer testleak.AfterTest(c)()
sc := s.ctx.GetSessionVars().StmtCtx
sc.IgnoreZeroInDate = true
cases := []struct {
args interface{}
expected int64
isNil bool
getErr bool
}{
{"2017-12-01", 6, false, false},
{"0000-00-00", 1, true, false},
{"2018-00-00", 1, true, false},
{"2017-00-00 12:12:12", 1, true, false},
{"0000-00-00 12:12:12", 1, true, false},
}
for _, t := range cases {
f, err := newFunctionForTest(s.ctx, ast.DayOfWeek, s.primitiveValsToConstants([]interface{}{t.args})...)
c.Assert(err, IsNil)
d, err := f.Eval(nil)
if t.getErr {
c.Assert(err, NotNil)
} else {
c.Assert(err, IsNil)
if t.isNil {
c.Assert(d.Kind(), Equals, types.KindNull)
} else {
c.Assert(d.GetInt64(), Equals, t.expected)
}
}
}
_, err := funcs[ast.DayOfWeek].getFunction(s.ctx, []Expression{Zero})
c.Assert(err, IsNil)
}
func (s *testEvaluatorSuite) TestDayOfMonth(c *C) {
defer testleak.AfterTest(c)()
sc := s.ctx.GetSessionVars().StmtCtx
sc.IgnoreZeroInDate = true
cases := []struct {
args interface{}
expected int64
isNil bool
getErr bool
}{
{"2017-12-01", 1, false, false},
{"0000-00-00", 1, true, false},
{"2018-00-00", 0, false, false},
{"2017-00-00 12:12:12", 0, false, false},
{"0000-00-00 12:12:12", 0, false, false},
}
for _, t := range cases {
f, err := newFunctionForTest(s.ctx, ast.DayOfMonth, s.primitiveValsToConstants([]interface{}{t.args})...)
c.Assert(err, IsNil)
d, err := f.Eval(nil)
if t.getErr {
c.Assert(err, NotNil)
} else {
c.Assert(err, IsNil)
if t.isNil {
c.Assert(d.Kind(), Equals, types.KindNull)
} else {
c.Assert(d.GetInt64(), Equals, t.expected)
}
}
}
_, err := funcs[ast.DayOfMonth].getFunction(s.ctx, []Expression{Zero})
c.Assert(err, IsNil)
}
func (s *testEvaluatorSuite) TestDayOfYear(c *C) {
defer testleak.AfterTest(c)()
sc := s.ctx.GetSessionVars().StmtCtx
sc.IgnoreZeroInDate = true
cases := []struct {
args interface{}
expected int64
isNil bool
getErr bool
}{
{"2017-12-01", 335, false, false},
{"0000-00-00", 1, true, false},
{"2018-00-00", 0, true, false},
{"2017-00-00 12:12:12", 0, true, false},
{"0000-00-00 12:12:12", 0, true, false},
}
for _, t := range cases {
f, err := newFunctionForTest(s.ctx, ast.DayOfYear, s.primitiveValsToConstants([]interface{}{t.args})...)
c.Assert(err, IsNil)
d, err := f.Eval(nil)
if t.getErr {
c.Assert(err, NotNil)
} else {
c.Assert(err, IsNil)
if t.isNil {
c.Assert(d.Kind(), Equals, types.KindNull)
} else {
c.Assert(d.GetInt64(), Equals, t.expected)
}
}
}
_, err := funcs[ast.DayOfYear].getFunction(s.ctx, []Expression{Zero})
c.Assert(err, IsNil)
}
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(s.ctx, s.datumsToConstants(args))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, 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(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, 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(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Hour"][0])
fc = funcs[ast.Minute]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Minute"][0])
fc = funcs[ast.Second]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Second"][0])
fc = funcs[ast.MicroSecond]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["MicroSecond"][0])
fc = funcs[ast.Time]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(t["Input"]))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v, testutil.DatumEquals, t["Time"][0])
}
// nil
fc := funcs[ast.Hour]
f, err := fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(nil)))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
fc = funcs[ast.Minute]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(nil)))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
fc = funcs[ast.Second]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(nil)))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
fc = funcs[ast.MicroSecond]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(nil)))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
c.Assert(v.Kind(), Equals, types.KindNull)
fc = funcs[ast.Time]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(nil)))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, 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(s.ctx, s.datumsToConstants(td))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
fc = funcs[ast.Minute]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(td))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
fc = funcs[ast.Second]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(td))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
fc = funcs[ast.MicroSecond]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(td))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
fc = funcs[ast.Time]
f, err = fc.getFunction(s.ctx, s.datumsToConstants(td))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, nil)
c.Assert(err, NotNil)
}
}
func (s *testEvaluatorSuite) TestTime(c *C) {
defer testleak.AfterTest(c)()
cases := []struct {
args interface{}
expected string
isNil bool
getErr bool
}{
{"2003-12-31 01:02:03", "01:02:03", false, false},
{"2003-12-31 01:02:03.000123", "01:02:03.000123", false, false},
{"01:02:03.000123", "01:02:03.000123", false, false},
{"01:02:03", "01:02:03", false, false},
{"-838:59:59.000000", "-838:59:59.000000", false, false},
}
for _, t := range cases {
f, err := newFunctionForTest(s.ctx, ast.Time, s.primitiveValsToConstants([]interface{}{t.args})...)
c.Assert(err, IsNil)
tp := f.GetType()
c.Assert(tp.Tp, Equals, mysql.TypeDuration)
c.Assert(tp.Charset, Equals, charset.CharsetBin)
c.Assert(tp.Collate, Equals, charset.CollationBin)
c.Assert(tp.Flag&uint(mysql.BinaryFlag), Equals, uint(mysql.BinaryFlag))
c.Assert(tp.Flen, Equals, mysql.MaxDurationWidthWithFsp)
d, err := f.Eval(nil)
if t.getErr {
c.Assert(err, NotNil)
} else {
c.Assert(err, IsNil)
if t.isNil {
c.Assert(d.Kind(), Equals, types.KindNull)
} else {
c.Assert(d.GetMysqlDuration().String(), Equals, t.expected)
}
}
}
_, err := funcs[ast.Time].getFunction(s.ctx, []Expression{Zero})
c.Assert(err, IsNil)
}
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(s.ctx, s.datumsToConstants(nil))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, 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(s.ctx, s.datumsToConstants(types.MakeDatums(6)))
c.Assert(err, IsNil)
v, err = evalBuiltinFunc(f, 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(s.ctx, s.datumsToConstants(types.MakeDatums(8)))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, nil)
c.Assert(err, NotNil)
f, err = x.fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(-2)))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, nil)
c.Assert(err, NotNil)
}
// Test that "timestamp" and "time_zone" variable may affect the result of Now() builtin function.
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), "time_zone", types.NewDatum("+00:00"))
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), "timestamp", types.NewDatum(1234))
fc := funcs[ast.Now]
f, err := fc.getFunction(s.ctx, s.datumsToConstants(nil))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
result, err := v.ToString()
c.Assert(err, IsNil)
c.Assert(result, Equals, "1970-01-01 00:20:34")
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), "timestamp", types.NewDatum(0))
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), "time_zone", types.NewDatum("system"))
}
func (s *testEvaluatorSuite) TestIsDuration(c *C) {
defer testleak.AfterTest(c)
tbl := []struct {
Input string
expect bool
}{
{"110:00:00", true},
{"aa:bb:cc", false},
{"1 01:00:00", true},
{"01:00:00.999999", true},
{"071231235959.999999", false},
{"20171231235959.999999", false},
{"2017-01-01 01:01:01.11", false},
{"07-12-31 23:59:59.999999", false},
{"2007-12-31 23:59:59.999999", false},
}
for _, t := range tbl {
result := isDuration(t.Input)
c.Assert(result, Equals, t.expect)
}
}
func (s *testEvaluatorSuite) TestAddTimeSig(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
Input string
InputDuration string
expect string
}{
{"01:00:00.999999", "02:00:00.999998", "03:00:01.999997"},
{"110:00:00", "1 02:00:00", "136:00:00"},
{"2017-01-01 01:01:01.11", "01:01:01.11111", "2017-01-01 02:02:02.221110"},
{"2007-12-31 23:59:59.999999", "1 1:1:1.000002", "2008-01-02 01:01:01.000001"},
{"2017-12-01 01:01:01.000001", "1 1:1:1.000002", "2017-12-02 02:02:02.000003"},
{"2017-12-31 23:59:59", "00:00:01", "2018-01-01 00:00:00"},
{"2017-12-31 23:59:59", "1", "2018-01-01 00:00:00"},
{"2007-12-31 23:59:59.999999", "2 1:1:1.000002", "2008-01-03 01:01:01.000001"},
}
fc := funcs[ast.AddTime]
for _, t := range tbl {
tmpInput := types.NewStringDatum(t.Input)
tmpInputDuration := types.NewStringDatum(t.InputDuration)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{tmpInput, tmpInputDuration}))
c.Assert(err, IsNil)
d, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
result, _ := d.ToString()
c.Assert(result, Equals, t.expect)
}
tbl = []struct {
Input string
InputDuration string
expect string
}{
{"01:00:00.999999", "02:00:00.999998", "03:00:01.999997"},
{"23:59:59", "00:00:01", "24:00:00"},
{"235959", "00:00:01", "24:00:00"},
{"110:00:00", "1 02:00:00", "136:00:00"},
{"-110:00:00", "1 02:00:00", "-84:00:00"},
}
for _, t := range tbl {
dur, err := types.ParseDuration(t.Input, getFsp(t.Input))
c.Assert(err, IsNil)
tmpInput := types.NewDurationDatum(dur)
tmpInputDuration := types.NewStringDatum(t.InputDuration)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{tmpInput, tmpInputDuration}))
c.Assert(err, IsNil)
d, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
result, _ := d.ToString()
c.Assert(result, Equals, t.expect)
}
tbll := []struct {
Input int64
InputDuration int64
expect string
}{
{20171010123456, 1, "2017-10-10 12:34:57"},
{123456, 1, "12:34:57"},
}
for _, t := range tbll {
tmpInput := types.NewIntDatum(t.Input)
tmpInputDuration := types.NewIntDatum(t.InputDuration)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{tmpInput, tmpInputDuration}))
c.Assert(err, IsNil)
d, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
result, _ := d.ToString()
c.Assert(result, Equals, t.expect)
}
}
func (s *testEvaluatorSuite) TestSubTimeSig(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
Input string
InputDuration string
expect string
}{
{"01:00:00.999999", "02:00:00.999998", "-00:59:59.999999"},
{"110:00:00", "1 02:00:00", "84:00:00"},
{"2017-01-01 01:01:01.11", "01:01:01.11111", "2016-12-31 23:59:59.998890"},
{"2007-12-31 23:59:59.999999", "1 1:1:1.000002", "2007-12-30 22:58:58.999997"},
}
fc := funcs[ast.SubTime]
for _, t := range tbl {
tmpInput := types.NewStringDatum(t.Input)
tmpInputDuration := types.NewStringDatum(t.InputDuration)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{tmpInput, tmpInputDuration}))
c.Assert(err, IsNil)
d, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
result, _ := d.ToString()
c.Assert(result, Equals, t.expect)
}
tbl = []struct {
Input string
InputDuration string
expect string
}{
{"03:00:00.999999", "02:00:00.999998", "01:00:00.000001"},
{"23:59:59", "00:00:01", "23:59:58"},
{"235959", "00:00:01", "23:59:58"},
}
for _, t := range tbl {
dur, err := types.ParseDuration(t.Input, getFsp(t.Input))
c.Assert(err, IsNil)
tmpInput := types.NewDurationDatum(dur)
tmpInputDuration := types.NewStringDatum(t.InputDuration)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{tmpInput, tmpInputDuration}))
c.Assert(err, IsNil)
d, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
result, _ := d.ToString()
c.Assert(result, Equals, t.expect)
}
tbll := []struct {
Input int64
InputDuration int64
expect string
}{
{20171010123456, 1, "2017-10-10 12:34:55"},
{123456, 1, "12:34:55"},
}
for _, t := range tbll {
tmpInput := types.NewIntDatum(t.Input)
tmpInputDuration := types.NewIntDatum(t.InputDuration)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{tmpInput, tmpInputDuration}))
c.Assert(err, IsNil)
d, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
result, _ := d.ToString()
c.Assert(result, Equals, t.expect)
}
}
func (s *testEvaluatorSuite) TestSysDate(c *C) {
defer testleak.AfterTest(c)()
fc := funcs[ast.Sysdate]
ctx := mock.NewContext()
ctx.GetSessionVars().StmtCtx.TimeZone = time.Local
timezones := []types.Datum{types.NewDatum(1234), types.NewDatum(0)}
for _, timezone := range timezones {
// sysdate() result is not affected by "timestamp" session variable.
variable.SetSessionSystemVar(ctx.GetSessionVars(), "timestamp", timezone)
f, err := fc.getFunction(ctx, s.datumsToConstants(nil))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, nil)
last := time.Now()
c.Assert(err, IsNil)
n := v.GetMysqlTime()
c.Assert(n.String(), GreaterEqual, last.Format(types.TimeFormat))
}
last := time.Now()
f, err := fc.getFunction(ctx, s.datumsToConstants(types.MakeDatums(6)))
c.Assert(err, IsNil)
v, err := evalBuiltinFunc(f, nil)
c.Assert(err, IsNil)
n := v.GetMysqlTime()
c.Assert(n.String(), GreaterEqual, last.Format(types.TimeFormat))
f, err = fc.getFunction(ctx, s.datumsToConstants(types.MakeDatums(-2)))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, nil)
c.Assert(err, NotNil)
}
func convertToTimeWithFsp(sc *stmtctx.StatementContext, arg types.Datum, tp byte, fsp int) (d types.Datum, err error) {
if fsp > types.MaxFsp {
fsp = types.MaxFsp
}
f := types.NewFieldType(tp)
f.Decimal = fsp
d, err = arg.ConvertTo(sc, f)
if err != nil {
d.SetNull()
return d, errors.Trace(err)
}
if d.IsNull() {
return
}
if d.Kind() != types.KindMysqlTime {
d.SetNull()
return d, errors.Errorf("need time type, but got %T", d.GetValue())
}
return
}
func convertToTime(sc *stmtctx.StatementContext, arg types.Datum, tp byte) (d types.Datum, err error) {
return convertToTimeWithFsp(sc, arg, tp, types.MaxFsp)
}
func builtinDateFormat(ctx sessionctx.Context, args []types.Datum) (d types.Datum, err error) {
date, err := convertToTime(ctx.GetSessionVars().StmtCtx, args[0], mysql.TypeDatetime)
if err != nil {
return d, errors.Trace(err)
}
if date.IsNull() {
return
}
t := date.GetMysqlTime()
str, err := t.DateFormat(args[1].GetString())
if err != nil {
return d, errors.Trace(err)
}
d.SetString(str)
return
}
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},
}
sc := s.ctx.GetSessionVars().StmtCtx
originTZ := sc.TimeZone
sc.TimeZone = time.Local
defer func() {
sc.TimeZone = originTZ
}()
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(s.ctx, s.datumsToConstants([]types.Datum{timestamp}))