194 lines
6.0 KiB
Go
194 lines
6.0 KiB
Go
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package expression
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/mysql"
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)
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var _ = Suite(&testDateArithSuite{})
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type testDateArithSuite struct {
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}
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func (t *testDateArithSuite) TestDateArith(c *C) {
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input := "2011-11-11 10:10:10"
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e := &DateArith{
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Op: DateAdd,
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Unit: "DAY",
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Date: Value{Val: input},
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Interval: Value{Val: "1"},
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}
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c.Assert(e.String(), Equals, `DATE_ADD("2011-11-11 10:10:10", INTERVAL "1" DAY)`)
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c.Assert(e.Clone(), NotNil)
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c.Assert(e.IsStatic(), IsTrue)
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_, err := e.Eval(nil, nil)
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c.Assert(err, IsNil)
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e.Op = DateSub
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c.Assert(e.String(), Equals, `DATE_SUB("2011-11-11 10:10:10", INTERVAL "1" DAY)`)
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// Test null.
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nullTbl := []struct {
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Op DateArithType
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Unit string
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Date interface{}
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Interval interface{}
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}{
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{DateAdd, "DAY", nil, "1"},
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{DateAdd, "DAY", input, nil},
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}
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for _, t := range nullTbl {
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e := &DateArith{
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Op: t.Op,
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Unit: t.Unit,
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Date: Value{Val: t.Date},
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Interval: Value{Val: t.Interval},
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}
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v, err := e.Eval(nil, nil)
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c.Assert(err, IsNil)
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c.Assert(v, IsNil)
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e.Op = DateSub
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v, err = e.Eval(nil, nil)
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c.Assert(err, IsNil)
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c.Assert(v, IsNil)
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}
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// Test eval.
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tbl := []struct {
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Unit string
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Interval interface{}
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AddExpect string
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SubExpect string
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}{
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{"MICROSECOND", "1000", "2011-11-11 10:10:10.001000", "2011-11-11 10:10:09.999000"},
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{"MICROSECOND", 1000, "2011-11-11 10:10:10.001000", "2011-11-11 10:10:09.999000"},
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{"SECOND", "10", "2011-11-11 10:10:20", "2011-11-11 10:10:00"},
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{"MINUTE", "10", "2011-11-11 10:20:10", "2011-11-11 10:00:10"},
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{"HOUR", "10", "2011-11-11 20:10:10", "2011-11-11 00:10:10"},
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{"DAY", "11", "2011-11-22 10:10:10", "2011-10-31 10:10:10"},
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{"WEEK", "2", "2011-11-25 10:10:10", "2011-10-28 10:10:10"},
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{"MONTH", "2", "2012-01-11 10:10:10", "2011-09-11 10:10:10"},
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{"QUARTER", "4", "2012-11-11 10:10:10", "2010-11-11 10:10:10"},
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{"YEAR", "2", "2013-11-11 10:10:10", "2009-11-11 10:10:10"},
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{"SECOND_MICROSECOND", "10.00100000", "2011-11-11 10:10:20.100000", "2011-11-11 10:09:59.900000"},
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{"SECOND_MICROSECOND", "10.0010000000", "2011-11-11 10:10:30", "2011-11-11 10:09:50"},
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{"SECOND_MICROSECOND", "10.0010000010", "2011-11-11 10:10:30.000010", "2011-11-11 10:09:49.999990"},
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{"MINUTE_MICROSECOND", "10:10.100", "2011-11-11 10:20:20.100000", "2011-11-11 09:59:59.900000"},
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{"MINUTE_SECOND", "10:10", "2011-11-11 10:20:20", "2011-11-11 10:00:00"},
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{"HOUR_MICROSECOND", "10:10:10.100", "2011-11-11 20:20:20.100000", "2011-11-10 23:59:59.900000"},
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{"HOUR_SECOND", "10:10:10", "2011-11-11 20:20:20", "2011-11-11 00:00:00"},
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{"HOUR_MINUTE", "10:10", "2011-11-11 20:20:10", "2011-11-11 00:00:10"},
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{"DAY_MICROSECOND", "11 10:10:10.100", "2011-11-22 20:20:20.100000", "2011-10-30 23:59:59.900000"},
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{"DAY_SECOND", "11 10:10:10", "2011-11-22 20:20:20", "2011-10-31 00:00:00"},
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{"DAY_MINUTE", "11 10:10", "2011-11-22 20:20:10", "2011-10-31 00:00:10"},
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{"DAY_HOUR", "11 10", "2011-11-22 20:10:10", "2011-10-31 00:10:10"},
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{"YEAR_MONTH", "11-1", "2022-12-11 10:10:10", "2000-10-11 10:10:10"},
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{"YEAR_MONTH", "11-11", "2023-10-11 10:10:10", "1999-12-11 10:10:10"},
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}
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for _, t := range tbl {
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e := &DateArith{
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Op: DateAdd,
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Unit: t.Unit,
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Date: Value{Val: input},
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Interval: Value{Val: t.Interval},
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}
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v, err := e.Eval(nil, nil)
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c.Assert(err, IsNil)
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value, ok := v.(mysql.Time)
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c.Assert(ok, IsTrue)
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c.Assert(value.String(), Equals, t.AddExpect)
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e.Op = DateSub
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v, err = e.Eval(nil, nil)
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c.Assert(err, IsNil)
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value, ok = v.(mysql.Time)
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c.Assert(ok, IsTrue)
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c.Assert(value.String(), Equals, t.SubExpect)
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}
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// Test eval for adddate and subdate with days form
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tblDays := []struct {
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Interval interface{}
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AddExpect string
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SubExpect string
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}{
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{"20", "2011-12-01 10:10:10", "2011-10-22 10:10:10"},
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{19.88, "2011-12-01 10:10:10", "2011-10-22 10:10:10"},
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{"19.88", "2011-11-30 10:10:10", "2011-10-23 10:10:10"},
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{"20-11", "2011-12-01 10:10:10", "2011-10-22 10:10:10"},
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{"20,11", "2011-12-01 10:10:10", "2011-10-22 10:10:10"},
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{"1000", "2014-08-07 10:10:10", "2009-02-14 10:10:10"},
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{"true", "2011-11-12 10:10:10", "2011-11-10 10:10:10"},
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}
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for _, t := range tblDays {
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e := &DateArith{
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Op: DateAdd,
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Form: DateArithDaysForm,
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Unit: "day",
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Date: Value{Val: input},
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Interval: Value{Val: t.Interval},
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}
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v, err := e.Eval(nil, nil)
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c.Assert(err, IsNil)
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value, ok := v.(mysql.Time)
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c.Assert(ok, IsTrue)
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c.Assert(value.String(), Equals, t.AddExpect)
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e.Op = DateSub
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v, err = e.Eval(nil, nil)
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c.Assert(err, IsNil)
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value, ok = v.(mysql.Time)
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c.Assert(ok, IsTrue)
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c.Assert(value.String(), Equals, t.SubExpect)
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}
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// Test error.
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errInput := "20111111 10:10:10"
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errTbl := []struct {
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Unit string
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Interval interface{}
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}{
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{"MICROSECOND", "abc1000"},
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{"MICROSECOND", ""},
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{"SECOND_MICROSECOND", "10"},
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{"MINUTE_MICROSECOND", "10.0000"},
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{"MINUTE_MICROSECOND", "10:10:10.0000"},
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// MySQL support, but tidb not.
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{"HOUR_MICROSECOND", "10:10.0000"},
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{"YEAR_MONTH", "10 1"},
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}
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for _, t := range errTbl {
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e := &DateArith{
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Op: DateAdd,
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Unit: t.Unit,
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Date: Value{Val: input},
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Interval: Value{Val: t.Interval},
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}
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_, err := e.Eval(nil, nil)
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c.Assert(err, NotNil)
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e.Date = Value{Val: errInput}
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v, err := e.Eval(nil, nil)
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c.Assert(err, NotNil, Commentf("%s", v))
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e.Op = DateSub
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_, err = e.Eval(nil, nil)
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c.Assert(err, NotNil)
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e.Date = Value{Val: errInput}
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v, err = e.Eval(nil, nil)
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c.Assert(err, NotNil, Commentf("%s", v))
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}
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}
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