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1020 lines
29 KiB
1020 lines
29 KiB
// 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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"math"
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"runtime"
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"time"
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. "github.com/pingcap/check"
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"github.com/pingcap/parser/ast"
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"github.com/pingcap/parser/charset"
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"github.com/pingcap/parser/mysql"
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"github.com/pingcap/tidb/types"
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"github.com/pingcap/tidb/util/chunk"
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"github.com/pingcap/tidb/util/testutil"
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"github.com/pingcap/tipb/go-tipb"
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)
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func (s *testEvaluatorSuite) TestAbs(c *C) {
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tbl := []struct {
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Arg interface{}
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Ret interface{}
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}{
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{nil, nil},
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{int64(1), int64(1)},
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{uint64(1), uint64(1)},
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{int64(-1), int64(1)},
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{float64(3.14), float64(3.14)},
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{float64(-3.14), float64(3.14)},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Abs]
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f, err := fc.getFunction(s.ctx, s.datumsToConstants(t["Arg"]))
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c.Assert(err, IsNil)
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v, err := evalBuiltinFunc(f, chunk.Row{})
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c.Assert(err, IsNil)
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c.Assert(v, testutil.DatumEquals, t["Ret"][0])
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}
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}
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func (s *testEvaluatorSuite) TestCeil(c *C) {
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sc := s.ctx.GetSessionVars().StmtCtx
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tmpIT := sc.IgnoreTruncate
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sc.IgnoreTruncate = true
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defer func() {
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sc.IgnoreTruncate = tmpIT
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}()
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type testCase struct {
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arg interface{}
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expect interface{}
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isNil bool
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getErr bool
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}
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cases := []testCase{
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{nil, nil, true, false},
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{int64(1), int64(1), false, false},
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{float64(1.23), float64(2), false, false},
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{float64(-1.23), float64(-1), false, false},
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{"1.23", float64(2), false, false},
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{"-1.23", float64(-1), false, false},
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{"tidb", float64(0), false, false},
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{"1tidb", float64(1), false, false}}
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expressions := []Expression{
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&Constant{
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Value: types.NewDatum(0),
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RetType: types.NewFieldType(mysql.TypeTiny),
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},
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&Constant{
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Value: types.NewFloat64Datum(float64(12.34)),
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RetType: types.NewFieldType(mysql.TypeFloat),
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},
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}
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runCasesOn := func(funcName string, cases []testCase, exps []Expression) {
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for _, test := range cases {
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f, err := newFunctionForTest(s.ctx, funcName, s.primitiveValsToConstants([]interface{}{test.arg})...)
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c.Assert(err, IsNil)
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result, err := f.Eval(chunk.Row{})
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if test.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if test.isNil {
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c.Assert(result.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
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}
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}
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}
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for _, exp := range exps {
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_, err := funcs[funcName].getFunction(s.ctx, []Expression{exp})
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c.Assert(err, IsNil)
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}
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}
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runCasesOn(ast.Ceil, cases, expressions)
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runCasesOn(ast.Ceiling, cases, expressions)
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}
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func (s *testEvaluatorSuite) TestExp(c *C) {
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tests := []struct {
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args interface{}
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expect float64
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isNil bool
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getWarning bool
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errMsg string
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}{
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{nil, 0, true, false, ""},
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{int64(1), 2.718281828459045, false, false, ""},
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{float64(1.23), 3.4212295362896734, false, false, ""},
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{float64(-1.23), 0.2922925776808594, false, false, ""},
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{float64(0), 1, false, false, ""},
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{"0", 1, false, false, ""},
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{"tidb", 0, false, true, ""},
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{float64(100000), 0, false, true, "[types:1690]DOUBLE value is out of range in 'exp(100000)'"},
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}
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if runtime.GOARCH == "ppc64le" {
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tests[1].expect = 2.7182818284590455
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}
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for _, test := range tests {
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preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
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f, err := newFunctionForTest(s.ctx, ast.Exp, s.primitiveValsToConstants([]interface{}{test.args})...)
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c.Assert(err, IsNil)
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result, err := f.Eval(chunk.Row{})
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if test.getWarning {
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if test.errMsg != "" {
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c.Assert(err, NotNil)
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c.Assert(err.Error(), Equals, test.errMsg)
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} else {
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c.Assert(err, IsNil)
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c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+1)
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}
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} else {
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c.Assert(err, IsNil)
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if test.isNil {
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c.Assert(result.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(result.GetFloat64(), Equals, test.expect)
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}
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}
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}
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_, err := funcs[ast.Exp].getFunction(s.ctx, []Expression{NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestFloor(c *C) {
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sc := s.ctx.GetSessionVars().StmtCtx
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tmpIT := sc.IgnoreTruncate
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sc.IgnoreTruncate = true
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defer func() {
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sc.IgnoreTruncate = tmpIT
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}()
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genDuration := func(h, m, s int64) types.Duration {
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duration := time.Duration(h)*time.Hour +
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time.Duration(m)*time.Minute +
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time.Duration(s)*time.Second
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return types.Duration{Duration: duration, Fsp: types.DefaultFsp}
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}
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genTime := func(y, m, d int) types.Time {
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return types.NewTime(types.FromDate(y, m, d, 0, 0, 0, 0), mysql.TypeDatetime, types.DefaultFsp)
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}
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for _, test := range []struct {
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arg interface{}
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expect interface{}
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isNil bool
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getErr bool
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}{
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{nil, nil, true, false},
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{int64(1), int64(1), false, false},
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{float64(1.23), float64(1), false, false},
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{float64(-1.23), float64(-2), false, false},
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{"1.23", float64(1), false, false},
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{"-1.23", float64(-2), false, false},
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{"-1.b23", float64(-1), false, false},
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{"abce", float64(0), false, false},
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{genDuration(12, 59, 59), float64(125959), false, false},
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{genDuration(0, 12, 34), float64(1234), false, false},
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{genTime(2017, 7, 19), float64(20170719000000), false, false},
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} {
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f, err := newFunctionForTest(s.ctx, ast.Floor, s.primitiveValsToConstants([]interface{}{test.arg})...)
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c.Assert(err, IsNil)
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result, err := f.Eval(chunk.Row{})
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if test.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if test.isNil {
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c.Assert(result.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
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}
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}
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}
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for _, exp := range []Expression{
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&Constant{
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Value: types.NewDatum(0),
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RetType: types.NewFieldType(mysql.TypeTiny),
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},
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&Constant{
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Value: types.NewFloat64Datum(float64(12.34)),
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RetType: types.NewFieldType(mysql.TypeFloat),
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},
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} {
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_, err := funcs[ast.Floor].getFunction(s.ctx, []Expression{exp})
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c.Assert(err, IsNil)
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}
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}
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func (s *testEvaluatorSuite) TestLog(c *C) {
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tests := []struct {
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args []interface{}
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expect float64
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isNil bool
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warningCount uint16
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}{
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{[]interface{}{nil}, 0, true, 0},
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{[]interface{}{nil, nil}, 0, true, 0},
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{[]interface{}{int64(100)}, 4.605170185988092, false, 0},
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{[]interface{}{float64(100)}, 4.605170185988092, false, 0},
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{[]interface{}{int64(10), int64(100)}, 2, false, 0},
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{[]interface{}{float64(10), float64(100)}, 2, false, 0},
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{[]interface{}{float64(-1)}, 0, true, 1},
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{[]interface{}{float64(2), float64(-1)}, 0, true, 1},
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{[]interface{}{float64(-1), float64(2)}, 0, true, 1},
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{[]interface{}{float64(1), float64(2)}, 0, true, 1},
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{[]interface{}{float64(0.5), float64(0.25)}, 2, false, 0},
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{[]interface{}{"abc"}, 0, true, 2},
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}
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for _, test := range tests {
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preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
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f, err := newFunctionForTest(s.ctx, ast.Log, s.primitiveValsToConstants(test.args)...)
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c.Assert(err, IsNil)
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result, err := f.Eval(chunk.Row{})
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c.Assert(err, IsNil)
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if test.warningCount > 0 {
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c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+test.warningCount)
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}
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if test.isNil {
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c.Assert(result.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(result.GetFloat64(), Equals, test.expect)
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}
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}
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_, err := funcs[ast.Log].getFunction(s.ctx, []Expression{NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestLog2(c *C) {
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tests := []struct {
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args interface{}
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expect float64
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isNil bool
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warningCount uint16
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}{
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{nil, 0, true, 0},
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{int64(16), 4, false, 0},
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{float64(16), 4, false, 0},
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{int64(5), 2.321928094887362, false, 0},
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{int64(-1), 0, true, 1},
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{"4abc", 2, false, 1},
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{"abc", 0, true, 2},
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}
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for _, test := range tests {
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preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
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f, err := newFunctionForTest(s.ctx, ast.Log2, s.primitiveValsToConstants([]interface{}{test.args})...)
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c.Assert(err, IsNil)
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result, err := f.Eval(chunk.Row{})
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c.Assert(err, IsNil)
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if test.warningCount > 0 {
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c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+test.warningCount)
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}
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if test.isNil {
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c.Assert(result.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(result.GetFloat64(), Equals, test.expect)
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}
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}
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_, err := funcs[ast.Log2].getFunction(s.ctx, []Expression{NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestLog10(c *C) {
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tests := []struct {
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args interface{}
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expect float64
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isNil bool
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warningCount uint16
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}{
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{nil, 0, true, 0},
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{int64(100), 2, false, 0},
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{float64(100), 2, false, 0},
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{int64(101), 2.0043213737826426, false, 0},
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{int64(-1), 0, true, 1},
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{"100abc", 2, false, 1},
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{"abc", 0, true, 2},
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}
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for _, test := range tests {
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preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
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f, err := newFunctionForTest(s.ctx, ast.Log10, s.primitiveValsToConstants([]interface{}{test.args})...)
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c.Assert(err, IsNil)
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result, err := f.Eval(chunk.Row{})
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c.Assert(err, IsNil)
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if test.warningCount > 0 {
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c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+test.warningCount)
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}
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if test.isNil {
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c.Assert(result.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(result.GetFloat64(), Equals, test.expect)
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}
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}
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_, err := funcs[ast.Log10].getFunction(s.ctx, []Expression{NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestRand(c *C) {
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fc := funcs[ast.Rand]
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f, err := fc.getFunction(s.ctx, nil)
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c.Assert(err, IsNil)
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v, err := evalBuiltinFunc(f, chunk.Row{})
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c.Assert(err, IsNil)
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c.Assert(v.GetFloat64(), Less, float64(1))
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c.Assert(v.GetFloat64(), GreaterEqual, float64(0))
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// issue 3211
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f2, err := fc.getFunction(s.ctx, []Expression{&Constant{Value: types.NewIntDatum(20160101), RetType: types.NewFieldType(mysql.TypeLonglong)}})
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c.Assert(err, IsNil)
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randGen := NewWithSeed(20160101)
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for i := 0; i < 3; i++ {
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v, err = evalBuiltinFunc(f2, chunk.Row{})
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c.Assert(err, IsNil)
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c.Assert(v.GetFloat64(), Equals, randGen.Gen())
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}
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}
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func (s *testEvaluatorSuite) TestPow(c *C) {
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tbl := []struct {
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Arg []interface{}
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Ret float64
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}{
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{[]interface{}{1, 3}, 1},
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{[]interface{}{2, 2}, 4},
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{[]interface{}{4, 0.5}, 2},
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{[]interface{}{4, -2}, 0.0625},
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}
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Dtbl := tblToDtbl(tbl)
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for _, t := range Dtbl {
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fc := funcs[ast.Pow]
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f, err := fc.getFunction(s.ctx, s.datumsToConstants(t["Arg"]))
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c.Assert(err, IsNil)
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v, err := evalBuiltinFunc(f, chunk.Row{})
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c.Assert(err, IsNil)
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c.Assert(v, testutil.DatumEquals, t["Ret"][0])
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}
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errTbl := []struct {
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Arg []interface{}
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}{
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{[]interface{}{"test", "test"}},
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{[]interface{}{1, "test"}},
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{[]interface{}{10, 700}}, // added overflow test
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}
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errDtbl := tblToDtbl(errTbl)
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for i, t := range errDtbl {
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fc := funcs[ast.Pow]
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f, err := fc.getFunction(s.ctx, s.datumsToConstants(t["Arg"]))
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c.Assert(err, IsNil)
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_, err = evalBuiltinFunc(f, chunk.Row{})
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if i == 2 {
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c.Assert(err, NotNil)
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c.Assert(err.Error(), Equals, "[types:1690]DOUBLE value is out of range in 'pow(10, 700)'")
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} else {
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c.Assert(err, IsNil)
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}
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}
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c.Assert(int(s.ctx.GetSessionVars().StmtCtx.WarningCount()), Equals, 3)
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}
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|
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func (s *testEvaluatorSuite) TestRound(c *C) {
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newDec := types.NewDecFromStringForTest
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tbl := []struct {
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Arg []interface{}
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Ret interface{}
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}{
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{[]interface{}{-1.23}, -1},
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{[]interface{}{-1.23, 0}, -1},
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{[]interface{}{-1.58}, -2},
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{[]interface{}{1.58}, 2},
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{[]interface{}{1.298, 1}, 1.3},
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{[]interface{}{1.298}, 1},
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{[]interface{}{1.298, 0}, 1},
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{[]interface{}{23.298, -1}, 20},
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{[]interface{}{newDec("-1.23")}, newDec("-1")},
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{[]interface{}{newDec("-1.23"), 1}, newDec("-1.2")},
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{[]interface{}{newDec("-1.58")}, newDec("-2")},
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{[]interface{}{newDec("1.58")}, newDec("2")},
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{[]interface{}{newDec("1.58"), 1}, newDec("1.6")},
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{[]interface{}{newDec("23.298"), -1}, newDec("20")},
|
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{[]interface{}{nil, 2}, nil},
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{[]interface{}{1, -2012}, 0},
|
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{[]interface{}{1, -201299999999999}, 0},
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}
|
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|
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Dtbl := tblToDtbl(tbl)
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|
|
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for _, t := range Dtbl {
|
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fc := funcs[ast.Round]
|
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f, err := fc.getFunction(s.ctx, s.datumsToConstants(t["Arg"]))
|
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c.Assert(err, IsNil)
|
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switch f.(type) {
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case *builtinRoundWithFracIntSig:
|
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c.Assert(f.PbCode(), Equals, tipb.ScalarFuncSig_RoundWithFracInt)
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case *builtinRoundWithFracDecSig:
|
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c.Assert(f.PbCode(), Equals, tipb.ScalarFuncSig_RoundWithFracDec)
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case *builtinRoundWithFracRealSig:
|
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c.Assert(f.PbCode(), Equals, tipb.ScalarFuncSig_RoundWithFracReal)
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case *builtinRoundIntSig:
|
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c.Assert(f.PbCode(), Equals, tipb.ScalarFuncSig_RoundInt)
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case *builtinRoundDecSig:
|
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c.Assert(f.PbCode(), Equals, tipb.ScalarFuncSig_RoundDec)
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case *builtinRoundRealSig:
|
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c.Assert(f.PbCode(), Equals, tipb.ScalarFuncSig_RoundReal)
|
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}
|
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v, err := evalBuiltinFunc(f, chunk.Row{})
|
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c.Assert(err, IsNil)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
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}
|
|
}
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|
|
func (s *testEvaluatorSuite) TestTruncate(c *C) {
|
|
newDec := types.NewDecFromStringForTest
|
|
tbl := []struct {
|
|
Arg []interface{}
|
|
Ret interface{}
|
|
}{
|
|
{[]interface{}{-1.23, 0}, -1},
|
|
{[]interface{}{1.58, 0}, 1},
|
|
{[]interface{}{1.298, 1}, 1.2},
|
|
{[]interface{}{123.2, -1}, 120},
|
|
{[]interface{}{123.2, 100}, 123.2},
|
|
{[]interface{}{123.2, -100}, 0},
|
|
{[]interface{}{123.2, -100}, 0},
|
|
{[]interface{}{1.797693134862315708145274237317043567981e+308, 2},
|
|
1.797693134862315708145274237317043567981e+308},
|
|
{[]interface{}{newDec("-1.23"), 0}, newDec("-1")},
|
|
{[]interface{}{newDec("-1.23"), 1}, newDec("-1.2")},
|
|
{[]interface{}{newDec("-11.23"), -1}, newDec("-10")},
|
|
{[]interface{}{newDec("1.58"), 0}, newDec("1")},
|
|
{[]interface{}{newDec("1.58"), 1}, newDec("1.5")},
|
|
{[]interface{}{newDec("11.58"), -1}, newDec("10")},
|
|
{[]interface{}{newDec("23.298"), -1}, newDec("20")},
|
|
{[]interface{}{newDec("23.298"), -100}, newDec("0")},
|
|
{[]interface{}{newDec("23.298"), 100}, newDec("23.298")},
|
|
{[]interface{}{nil, 2}, nil},
|
|
{[]interface{}{uint64(9223372036854775808), -10}, 9223372030000000000},
|
|
{[]interface{}{9223372036854775807, -7}, 9223372036850000000},
|
|
{[]interface{}{uint64(18446744073709551615), -10}, uint64(18446744070000000000)},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Truncate]
|
|
f, err := fc.getFunction(s.ctx, s.datumsToConstants(t["Arg"]))
|
|
c.Assert(err, IsNil)
|
|
c.Assert(f, NotNil)
|
|
v, err := evalBuiltinFunc(f, chunk.Row{})
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestCRC32(c *C) {
|
|
tbl := []struct {
|
|
Arg []interface{}
|
|
Ret interface{}
|
|
}{
|
|
{[]interface{}{nil}, nil},
|
|
{[]interface{}{""}, 0},
|
|
{[]interface{}{-1}, 808273962},
|
|
{[]interface{}{"-1"}, 808273962},
|
|
{[]interface{}{"mysql"}, 2501908538},
|
|
{[]interface{}{"MySQL"}, 3259397556},
|
|
{[]interface{}{"hello"}, 907060870},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.CRC32]
|
|
f, err := fc.getFunction(s.ctx, s.datumsToConstants(t["Arg"]))
|
|
c.Assert(err, IsNil)
|
|
v, err := evalBuiltinFunc(f, chunk.Row{})
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestConv(c *C) {
|
|
cases := []struct {
|
|
args []interface{}
|
|
expected interface{}
|
|
isNil bool
|
|
getErr bool
|
|
}{
|
|
{[]interface{}{"a", 16, 2}, "1010", false, false},
|
|
{[]interface{}{"6E", 18, 8}, "172", false, false},
|
|
{[]interface{}{"-17", 10, -18}, "-H", false, false},
|
|
{[]interface{}{"-17", 10, 18}, "2D3FGB0B9CG4BD1H", false, false},
|
|
{[]interface{}{nil, 10, 10}, "0", true, false},
|
|
{[]interface{}{"+18aZ", 7, 36}, "1", false, false},
|
|
{[]interface{}{"18446744073709551615", -10, 16}, "7FFFFFFFFFFFFFFF", false, false},
|
|
{[]interface{}{"12F", -10, 16}, "C", false, false},
|
|
{[]interface{}{" FF ", 16, 10}, "255", false, false},
|
|
{[]interface{}{"TIDB", 10, 8}, "0", false, false},
|
|
{[]interface{}{"aa", 10, 2}, "0", false, false},
|
|
{[]interface{}{" A", -10, 16}, "0", false, false},
|
|
{[]interface{}{"a6a", 10, 8}, "0", false, false},
|
|
{[]interface{}{"a6a", 1, 8}, "0", true, false},
|
|
}
|
|
|
|
for _, t := range cases {
|
|
f, err := newFunctionForTest(s.ctx, ast.Conv, s.primitiveValsToConstants(t.args)...)
|
|
c.Assert(err, IsNil)
|
|
tp := f.GetType()
|
|
c.Assert(tp.Tp, Equals, mysql.TypeVarString)
|
|
c.Assert(tp.Charset, Equals, charset.CharsetUTF8MB4)
|
|
c.Assert(tp.Collate, Equals, charset.CollationUTF8MB4)
|
|
c.Assert(tp.Flag, Equals, uint(0))
|
|
|
|
d, err := f.Eval(chunk.Row{})
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
|
|
v := []struct {
|
|
s string
|
|
base int64
|
|
ret string
|
|
}{
|
|
{"-123456D1f", 5, "-1234"},
|
|
{"+12azD", 16, "12a"},
|
|
{"+", 12, ""},
|
|
}
|
|
for _, t := range v {
|
|
r := getValidPrefix(t.s, t.base)
|
|
c.Assert(r, Equals, t.ret)
|
|
}
|
|
|
|
_, err := funcs[ast.Conv].getFunction(s.ctx, []Expression{NewZero(), NewZero(), NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestSign(c *C) {
|
|
sc := s.ctx.GetSessionVars().StmtCtx
|
|
tmpIT := sc.IgnoreTruncate
|
|
sc.IgnoreTruncate = true
|
|
defer func() {
|
|
sc.IgnoreTruncate = tmpIT
|
|
}()
|
|
|
|
for _, t := range []struct {
|
|
num []interface{}
|
|
ret interface{}
|
|
}{
|
|
{[]interface{}{nil}, nil},
|
|
{[]interface{}{1}, int64(1)},
|
|
{[]interface{}{0}, int64(0)},
|
|
{[]interface{}{-1}, int64(-1)},
|
|
{[]interface{}{0.4}, int64(1)},
|
|
{[]interface{}{-0.4}, int64(-1)},
|
|
{[]interface{}{"1"}, int64(1)},
|
|
{[]interface{}{"-1"}, int64(-1)},
|
|
{[]interface{}{"1a"}, int64(1)},
|
|
{[]interface{}{"-1a"}, int64(-1)},
|
|
{[]interface{}{"a"}, int64(0)},
|
|
{[]interface{}{uint64(9223372036854775808)}, int64(1)},
|
|
} {
|
|
fc := funcs[ast.Sign]
|
|
f, err := fc.getFunction(s.ctx, s.primitiveValsToConstants(t.num))
|
|
c.Assert(err, IsNil, Commentf("%v", t))
|
|
v, err := evalBuiltinFunc(f, chunk.Row{})
|
|
c.Assert(err, IsNil, Commentf("%v", t))
|
|
c.Assert(v, testutil.DatumEquals, types.NewDatum(t.ret), Commentf("%v", t))
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestDegrees(c *C) {
|
|
sc := s.ctx.GetSessionVars().StmtCtx
|
|
sc.IgnoreTruncate = false
|
|
cases := []struct {
|
|
args interface{}
|
|
expected float64
|
|
isNil bool
|
|
getWarning bool
|
|
}{
|
|
{nil, 0, true, false},
|
|
{int64(0), float64(0), false, false},
|
|
{int64(1), float64(57.29577951308232), false, false},
|
|
{float64(1), float64(57.29577951308232), false, false},
|
|
{float64(math.Pi), float64(180), false, false},
|
|
{float64(-math.Pi / 2), float64(-90), false, false},
|
|
{"", float64(0), false, false},
|
|
{"-2", float64(-114.59155902616465), false, false},
|
|
{"abc", float64(0), false, true},
|
|
{"+1abc", 57.29577951308232, false, true},
|
|
}
|
|
|
|
for _, t := range cases {
|
|
preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
|
|
f, err := newFunctionForTest(s.ctx, ast.Degrees, s.primitiveValsToConstants([]interface{}{t.args})...)
|
|
c.Assert(err, IsNil)
|
|
d, err := f.Eval(chunk.Row{})
|
|
if t.getWarning {
|
|
c.Assert(err, IsNil)
|
|
c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+1)
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if t.isNil {
|
|
c.Assert(d.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(d.GetFloat64(), Equals, t.expected)
|
|
}
|
|
}
|
|
}
|
|
_, err := funcs[ast.Degrees].getFunction(s.ctx, []Expression{NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestSqrt(c *C) {
|
|
tbl := []struct {
|
|
Arg []interface{}
|
|
Ret interface{}
|
|
}{
|
|
{[]interface{}{nil}, nil},
|
|
{[]interface{}{int64(1)}, float64(1)},
|
|
{[]interface{}{float64(4)}, float64(2)},
|
|
{[]interface{}{"4"}, float64(2)},
|
|
{[]interface{}{"9"}, float64(3)},
|
|
{[]interface{}{"-16"}, nil},
|
|
}
|
|
|
|
for _, t := range tbl {
|
|
fc := funcs[ast.Sqrt]
|
|
f, err := fc.getFunction(s.ctx, s.primitiveValsToConstants(t.Arg))
|
|
c.Assert(err, IsNil)
|
|
v, err := evalBuiltinFunc(f, chunk.Row{})
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, testutil.DatumEquals, types.NewDatum(t.Ret), Commentf("%v", t))
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestPi(c *C) {
|
|
f, err := funcs[ast.PI].getFunction(s.ctx, nil)
|
|
c.Assert(err, IsNil)
|
|
|
|
pi, err := evalBuiltinFunc(f, chunk.Row{})
|
|
c.Assert(err, IsNil)
|
|
c.Assert(pi, testutil.DatumEquals, types.NewDatum(math.Pi))
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestRadians(c *C) {
|
|
tbl := []struct {
|
|
Arg interface{}
|
|
Ret interface{}
|
|
}{
|
|
{nil, nil},
|
|
{0, float64(0)},
|
|
{float64(180), float64(math.Pi)},
|
|
{-360, -2 * float64(math.Pi)},
|
|
{"180", float64(math.Pi)},
|
|
}
|
|
|
|
Dtbl := tblToDtbl(tbl)
|
|
for _, t := range Dtbl {
|
|
fc := funcs[ast.Radians]
|
|
f, err := fc.getFunction(s.ctx, s.datumsToConstants(t["Arg"]))
|
|
c.Assert(err, IsNil)
|
|
c.Assert(f, NotNil)
|
|
v, err := evalBuiltinFunc(f, chunk.Row{})
|
|
c.Assert(err, IsNil)
|
|
c.Assert(v, testutil.DatumEquals, t["Ret"][0])
|
|
}
|
|
|
|
invalidArg := "notNum"
|
|
fc := funcs[ast.Radians]
|
|
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{types.NewDatum(invalidArg)}))
|
|
c.Assert(err, IsNil)
|
|
_, err = evalBuiltinFunc(f, chunk.Row{})
|
|
c.Assert(err, IsNil)
|
|
c.Assert(int(s.ctx.GetSessionVars().StmtCtx.WarningCount()), Equals, 1)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestSin(c *C) {
|
|
cases := []struct {
|
|
args interface{}
|
|
expected float64
|
|
isNil bool
|
|
getWarning bool
|
|
}{
|
|
{nil, 0, true, false},
|
|
{int64(0), float64(0), false, false},
|
|
{math.Pi, float64(math.Sin(math.Pi)), false, false}, // Pie ==> 0
|
|
{-math.Pi, float64(math.Sin(-math.Pi)), false, false},
|
|
{math.Pi / 2, float64(math.Sin(math.Pi / 2)), false, false}, // Pie/2 ==> 1
|
|
{-math.Pi / 2, float64(math.Sin(-math.Pi / 2)), false, false},
|
|
{math.Pi / 6, float64(math.Sin(math.Pi / 6)), false, false}, // Pie/6(30 degrees) ==> 0.5
|
|
{-math.Pi / 6, float64(math.Sin(-math.Pi / 6)), false, false},
|
|
{math.Pi * 2, float64(math.Sin(math.Pi * 2)), false, false},
|
|
{string("adfsdfgs"), 0, false, true},
|
|
{"0.000", 0, false, false},
|
|
}
|
|
|
|
for _, t := range cases {
|
|
preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
|
|
f, err := newFunctionForTest(s.ctx, ast.Sin, s.primitiveValsToConstants([]interface{}{t.args})...)
|
|
c.Assert(err, IsNil)
|
|
|
|
d, err := f.Eval(chunk.Row{})
|
|
if t.getWarning {
|
|
c.Assert(err, IsNil)
|
|
c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+1)
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if t.isNil {
|
|
c.Assert(d.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(d.GetFloat64(), Equals, t.expected)
|
|
}
|
|
}
|
|
}
|
|
|
|
_, err := funcs[ast.Sin].getFunction(s.ctx, []Expression{NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestCos(c *C) {
|
|
cases := []struct {
|
|
args interface{}
|
|
expected float64
|
|
isNil bool
|
|
getWarning bool
|
|
}{
|
|
{nil, 0, true, false},
|
|
{int64(0), float64(1), false, false},
|
|
{math.Pi, float64(-1), false, false}, // cos pi equals -1
|
|
{-math.Pi, float64(-1), false, false},
|
|
{math.Pi / 2, float64(math.Cos(math.Pi / 2)), false, false}, // Pi/2 is some near 0 (6.123233995736766e-17) but not 0. Even in math it is 0.
|
|
{-math.Pi / 2, float64(math.Cos(-math.Pi / 2)), false, false},
|
|
{"0.000", float64(1), false, false}, // string value case
|
|
{"sdfgsfsdf", float64(0), false, true},
|
|
}
|
|
|
|
for _, t := range cases {
|
|
preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
|
|
f, err := newFunctionForTest(s.ctx, ast.Cos, s.primitiveValsToConstants([]interface{}{t.args})...)
|
|
c.Assert(err, IsNil)
|
|
|
|
d, err := f.Eval(chunk.Row{})
|
|
if t.getWarning {
|
|
c.Assert(err, IsNil)
|
|
c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+1)
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if t.isNil {
|
|
c.Assert(d.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(d.GetFloat64(), Equals, t.expected)
|
|
}
|
|
}
|
|
}
|
|
|
|
_, err := funcs[ast.Cos].getFunction(s.ctx, []Expression{NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestAcos(c *C) {
|
|
tests := []struct {
|
|
args interface{}
|
|
expect float64
|
|
isNil bool
|
|
getWarning bool
|
|
}{
|
|
{nil, 0, true, false},
|
|
{float64(1), 0, false, false},
|
|
{float64(2), 0, true, false},
|
|
{float64(-1), 3.141592653589793, false, false},
|
|
{float64(-2), 0, true, false},
|
|
{"tidb", 0, false, true},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
|
|
f, err := newFunctionForTest(s.ctx, ast.Acos, s.primitiveValsToConstants([]interface{}{test.args})...)
|
|
c.Assert(err, IsNil)
|
|
|
|
result, err := f.Eval(chunk.Row{})
|
|
if test.getWarning {
|
|
c.Assert(err, IsNil)
|
|
c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+1)
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if test.isNil {
|
|
c.Assert(result.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(result.GetFloat64(), Equals, test.expect)
|
|
}
|
|
}
|
|
}
|
|
|
|
_, err := funcs[ast.Acos].getFunction(s.ctx, []Expression{NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestAsin(c *C) {
|
|
tests := []struct {
|
|
args interface{}
|
|
expect float64
|
|
isNil bool
|
|
getWarning bool
|
|
}{
|
|
{nil, 0, true, false},
|
|
{float64(1), 1.5707963267948966, false, false},
|
|
{float64(2), 0, true, false},
|
|
{float64(-1), -1.5707963267948966, false, false},
|
|
{float64(-2), 0, true, false},
|
|
{"tidb", 0, false, true},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
|
|
f, err := newFunctionForTest(s.ctx, ast.Asin, s.primitiveValsToConstants([]interface{}{test.args})...)
|
|
c.Assert(err, IsNil)
|
|
|
|
result, err := f.Eval(chunk.Row{})
|
|
if test.getWarning {
|
|
c.Assert(err, IsNil)
|
|
c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+1)
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if test.isNil {
|
|
c.Assert(result.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(result.GetFloat64(), Equals, test.expect)
|
|
}
|
|
}
|
|
}
|
|
|
|
_, err := funcs[ast.Asin].getFunction(s.ctx, []Expression{NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestAtan(c *C) {
|
|
tests := []struct {
|
|
args []interface{}
|
|
expect float64
|
|
isNil bool
|
|
getWarning bool
|
|
}{
|
|
{[]interface{}{nil}, 0, true, false},
|
|
{[]interface{}{nil, nil}, 0, true, false},
|
|
{[]interface{}{float64(1)}, 0.7853981633974483, false, false},
|
|
{[]interface{}{float64(-1)}, -0.7853981633974483, false, false},
|
|
{[]interface{}{float64(0), float64(-2)}, float64(math.Pi), false, false},
|
|
{[]interface{}{"tidb"}, 0, false, true},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
|
|
f, err := newFunctionForTest(s.ctx, ast.Atan, s.primitiveValsToConstants(test.args)...)
|
|
c.Assert(err, IsNil)
|
|
|
|
result, err := f.Eval(chunk.Row{})
|
|
if test.getWarning {
|
|
c.Assert(err, IsNil)
|
|
c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+1)
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if test.isNil {
|
|
c.Assert(result.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(result.GetFloat64(), Equals, test.expect)
|
|
}
|
|
}
|
|
}
|
|
|
|
_, err := funcs[ast.Atan].getFunction(s.ctx, []Expression{NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestTan(c *C) {
|
|
cases := []struct {
|
|
args interface{}
|
|
expected float64
|
|
isNil bool
|
|
getWarning bool
|
|
}{
|
|
{nil, 0, true, false},
|
|
{int64(0), float64(0), false, false},
|
|
{math.Pi / 4, float64(1), false, false},
|
|
{-math.Pi / 4, float64(-1), false, false},
|
|
{math.Pi * 3 / 4, math.Tan(math.Pi * 3 / 4), false, false}, //in mysql and golang, it equals -1.0000000000000002, not -1
|
|
{"0.000", float64(0), false, false},
|
|
{"sdfgsdfg", 0, false, true},
|
|
}
|
|
|
|
for _, t := range cases {
|
|
preWarningCnt := s.ctx.GetSessionVars().StmtCtx.WarningCount()
|
|
f, err := newFunctionForTest(s.ctx, ast.Tan, s.primitiveValsToConstants([]interface{}{t.args})...)
|
|
c.Assert(err, IsNil)
|
|
|
|
d, err := f.Eval(chunk.Row{})
|
|
if t.getWarning {
|
|
c.Assert(err, IsNil)
|
|
c.Assert(s.ctx.GetSessionVars().StmtCtx.WarningCount(), Equals, preWarningCnt+1)
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if t.isNil {
|
|
c.Assert(d.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(d.GetFloat64(), Equals, t.expected)
|
|
}
|
|
}
|
|
}
|
|
|
|
_, err := funcs[ast.Tan].getFunction(s.ctx, []Expression{NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestCot(c *C) {
|
|
tests := []struct {
|
|
args interface{}
|
|
expect float64
|
|
isNil bool
|
|
getErr bool
|
|
errMsg string
|
|
}{
|
|
{nil, 0, true, false, ""},
|
|
{float64(0), 0, false, true, "[types:1690]DOUBLE value is out of range in 'cot(0)'"},
|
|
{float64(-1), -0.6420926159343308, false, false, ""},
|
|
{float64(1), 0.6420926159343308, false, false, ""},
|
|
{math.Pi / 4, 1 / math.Tan(math.Pi/4), false, false, ""},
|
|
{math.Pi / 2, 1 / math.Tan(math.Pi/2), false, false, ""},
|
|
{math.Pi, 1 / math.Tan(math.Pi), false, false, ""},
|
|
{"tidb", 0, false, true, ""},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
f, err := newFunctionForTest(s.ctx, ast.Cot, s.primitiveValsToConstants([]interface{}{test.args})...)
|
|
c.Assert(err, IsNil)
|
|
|
|
result, err := f.Eval(chunk.Row{})
|
|
if test.getErr {
|
|
c.Assert(err, NotNil)
|
|
if test.errMsg != "" {
|
|
c.Assert(err.Error(), Equals, test.errMsg)
|
|
}
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if test.isNil {
|
|
c.Assert(result.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(result.GetFloat64(), Equals, test.expect)
|
|
}
|
|
}
|
|
}
|
|
|
|
_, err := funcs[ast.Cot].getFunction(s.ctx, []Expression{NewOne()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|