Files
tidb/pkg/expression/builtin_op_test.go
2024-01-29 07:21:29 +00:00

665 lines
17 KiB
Go

// Copyright 2017 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package expression
import (
"math"
"testing"
"github.com/pingcap/errors"
"github.com/pingcap/tidb/pkg/parser/ast"
"github.com/pingcap/tidb/pkg/parser/mysql"
"github.com/pingcap/tidb/pkg/testkit/testutil"
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/chunk"
"github.com/stretchr/testify/require"
)
func TestUnary(t *testing.T) {
ctx := createContext(t)
cases := []struct {
args any
expected any
overflow bool
getErr bool
}{
{uint64(9223372036854775809), "-9223372036854775809", true, false},
{uint64(9223372036854775810), "-9223372036854775810", true, false},
{uint64(9223372036854775808), int64(-9223372036854775808), false, false},
{int64(math.MinInt64), "9223372036854775808", true, false}, // --9223372036854775808
}
sc := ctx.GetSessionVars().StmtCtx
origin := sc.InSelectStmt
sc.InSelectStmt = true
defer func() {
sc.InSelectStmt = origin
}()
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.UnaryMinus, primitiveValsToConstants(ctx, []any{c.args})...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if !c.getErr {
require.NoError(t, err)
if !c.overflow {
require.Equal(t, c.expected, d.GetValue())
} else {
require.Equal(t, c.expected, d.GetMysqlDecimal().String())
}
} else {
require.Error(t, err)
}
}
_, err := funcs[ast.UnaryMinus].getFunction(ctx, []Expression{NewZero()})
require.NoError(t, err)
}
func TestLogicAnd(t *testing.T) {
ctx := createContext(t)
sc := ctx.GetSessionVars().StmtCtx
oldTypeFlags := sc.TypeFlags()
defer func() {
sc.SetTypeFlags(oldTypeFlags)
}()
sc.SetTypeFlags(oldTypeFlags.WithIgnoreTruncateErr(true))
cases := []struct {
args []any
expected int64
isNil bool
getErr bool
}{
{[]any{1, 1}, 1, false, false},
{[]any{1, 0}, 0, false, false},
{[]any{0, 1}, 0, false, false},
{[]any{0, 0}, 0, false, false},
{[]any{2, -1}, 1, false, false},
{[]any{"a", "0"}, 0, false, false},
{[]any{"a", "1"}, 0, false, false},
{[]any{"1a", "0"}, 0, false, false},
{[]any{"1a", "1"}, 1, false, false},
{[]any{0, nil}, 0, false, false},
{[]any{nil, 0}, 0, false, false},
{[]any{nil, 1}, 0, true, false},
{[]any{0.001, 0}, 0, false, false},
{[]any{0.001, 1}, 1, false, false},
{[]any{nil, 0.000}, 0, false, false},
{[]any{nil, 0.001}, 0, true, false},
{[]any{types.NewDecFromStringForTest("0.000001"), 0}, 0, false, false},
{[]any{types.NewDecFromStringForTest("0.000001"), 1}, 1, false, false},
{[]any{types.NewDecFromStringForTest("0.000000"), nil}, 0, false, false},
{[]any{types.NewDecFromStringForTest("0.000001"), nil}, 0, true, false},
{[]any{errors.New("must error"), 1}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.LogicAnd, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetInt64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.LogicAnd, NewZero())
require.Error(t, err)
_, err = funcs[ast.LogicAnd].getFunction(ctx, []Expression{NewZero(), NewZero()})
require.NoError(t, err)
}
func TestLeftShift(t *testing.T) {
ctx := createContext(t)
cases := []struct {
args []any
expected uint64
isNil bool
getErr bool
}{
{[]any{123, 2}, uint64(492), false, false},
{[]any{-123, 2}, uint64(18446744073709551124), false, false},
{[]any{nil, 1}, 0, true, false},
{[]any{errors.New("must error"), 1}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.LeftShift, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetUint64())
}
}
}
}
func TestRightShift(t *testing.T) {
ctx := createContext(t)
cases := []struct {
args []any
expected uint64
isNil bool
getErr bool
}{
{[]any{123, 2}, uint64(30), false, false},
{[]any{-123, 2}, uint64(4611686018427387873), false, false},
{[]any{nil, 1}, 0, true, false},
{[]any{errors.New("must error"), 1}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.RightShift, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetUint64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.RightShift, NewZero())
require.Error(t, err)
_, err = funcs[ast.RightShift].getFunction(ctx, []Expression{NewZero(), NewZero()})
require.NoError(t, err)
}
func TestBitXor(t *testing.T) {
ctx := createContext(t)
cases := []struct {
args []any
expected uint64
isNil bool
getErr bool
}{
{[]any{123, 321}, uint64(314), false, false},
{[]any{-123, 321}, uint64(18446744073709551300), false, false},
{[]any{nil, 1}, 0, true, false},
{[]any{errors.New("must error"), 1}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.Xor, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetUint64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.Xor, NewZero())
require.Error(t, err)
_, err = funcs[ast.Xor].getFunction(ctx, []Expression{NewZero(), NewZero()})
require.NoError(t, err)
}
func TestBitOr(t *testing.T) {
ctx := createContext(t)
sc := ctx.GetSessionVars().StmtCtx
oldTypeFlags := sc.TypeFlags()
defer func() {
sc.SetTypeFlags(oldTypeFlags)
}()
sc.SetTypeFlags(oldTypeFlags.WithIgnoreTruncateErr(true))
cases := []struct {
args []any
expected uint64
isNil bool
getErr bool
}{
{[]any{123, 321}, uint64(379), false, false},
{[]any{-123, 321}, uint64(18446744073709551557), false, false},
{[]any{nil, 1}, 0, true, false},
{[]any{errors.New("must error"), 1}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.Or, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetUint64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.Or, NewZero())
require.Error(t, err)
_, err = funcs[ast.Or].getFunction(ctx, []Expression{NewZero(), NewZero()})
require.NoError(t, err)
}
func TestLogicOr(t *testing.T) {
ctx := createContext(t)
sc := ctx.GetSessionVars().StmtCtx
oldTypeFlags := sc.TypeFlags()
defer func() {
sc.SetTypeFlags(oldTypeFlags)
}()
sc.SetTypeFlags(oldTypeFlags.WithIgnoreTruncateErr(true))
cases := []struct {
args []any
expected int64
isNil bool
getErr bool
}{
{[]any{1, 1}, 1, false, false},
{[]any{1, 0}, 1, false, false},
{[]any{0, 1}, 1, false, false},
{[]any{0, 0}, 0, false, false},
{[]any{2, -1}, 1, false, false},
{[]any{"a", "0"}, 0, false, false},
{[]any{"a", "1"}, 1, false, false},
{[]any{"1a", "0"}, 1, false, false},
{[]any{"1a", "1"}, 1, false, false},
{[]any{"0.0a", 0}, 0, false, false},
{[]any{"0.0001a", 0}, 1, false, false},
{[]any{1, nil}, 1, false, false},
{[]any{nil, 1}, 1, false, false},
{[]any{nil, 0}, 0, true, false},
{[]any{0.000, 0}, 0, false, false},
{[]any{0.001, 0}, 1, false, false},
{[]any{nil, 0.000}, 0, true, false},
{[]any{nil, 0.001}, 1, false, false},
{[]any{types.NewDecFromStringForTest("0.000000"), 0}, 0, false, false},
{[]any{types.NewDecFromStringForTest("0.000000"), 1}, 1, false, false},
{[]any{types.NewDecFromStringForTest("0.000000"), nil}, 0, true, false},
{[]any{types.NewDecFromStringForTest("0.000001"), 0}, 1, false, false},
{[]any{types.NewDecFromStringForTest("0.000001"), 1}, 1, false, false},
{[]any{types.NewDecFromStringForTest("0.000001"), nil}, 1, false, false},
{[]any{errors.New("must error"), 1}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.LogicOr, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetInt64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.LogicOr, NewZero())
require.Error(t, err)
_, err = funcs[ast.LogicOr].getFunction(ctx, []Expression{NewZero(), NewZero()})
require.NoError(t, err)
}
func TestBitAnd(t *testing.T) {
ctx := createContext(t)
cases := []struct {
args []any
expected int64
isNil bool
getErr bool
}{
{[]any{123, 321}, 65, false, false},
{[]any{-123, 321}, 257, false, false},
{[]any{nil, 1}, 0, true, false},
{[]any{errors.New("must error"), 1}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.And, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetInt64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.And, NewZero())
require.Error(t, err)
_, err = funcs[ast.And].getFunction(ctx, []Expression{NewZero(), NewZero()})
require.NoError(t, err)
}
func TestBitNeg(t *testing.T) {
ctx := createContext(t)
sc := ctx.GetSessionVars().StmtCtx
oldTypeFlags := sc.TypeFlags()
defer func() {
sc.SetTypeFlags(oldTypeFlags)
}()
sc.SetTypeFlags(oldTypeFlags.WithIgnoreTruncateErr(true))
cases := []struct {
args []any
expected uint64
isNil bool
getErr bool
}{
{[]any{123}, uint64(18446744073709551492), false, false},
{[]any{-123}, uint64(122), false, false},
{[]any{nil}, 0, true, false},
{[]any{errors.New("must error")}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.BitNeg, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetUint64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.BitNeg, NewZero(), NewZero())
require.Error(t, err)
_, err = funcs[ast.BitNeg].getFunction(ctx, []Expression{NewZero()})
require.NoError(t, err)
}
func TestUnaryNot(t *testing.T) {
ctx := createContext(t)
sc := ctx.GetSessionVars().StmtCtx
oldTypeFlags := sc.TypeFlags()
defer func() {
sc.SetTypeFlags(oldTypeFlags)
}()
sc.SetTypeFlags(oldTypeFlags.WithIgnoreTruncateErr(true))
cases := []struct {
args []any
expected int64
isNil bool
getErr bool
}{
{[]any{1}, 0, false, false},
{[]any{0}, 1, false, false},
{[]any{123}, 0, false, false},
{[]any{-123}, 0, false, false},
{[]any{"123"}, 0, false, false},
{[]any{float64(0.3)}, 0, false, false},
{[]any{"0.3"}, 0, false, false},
{[]any{types.NewDecFromFloatForTest(0.3)}, 0, false, false},
{[]any{nil}, 0, true, false},
{[]any{types.CreateBinaryJSON(int64(0))}, 1, false, false},
{[]any{types.CreateBinaryJSON(map[string]any{"test": "test"})}, 0, false, false},
{[]any{errors.New("must error")}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.UnaryNot, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetInt64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.UnaryNot, NewZero(), NewZero())
require.Error(t, err)
_, err = funcs[ast.UnaryNot].getFunction(ctx, []Expression{NewZero()})
require.NoError(t, err)
}
func TestIsTrueOrFalse(t *testing.T) {
ctx := createContext(t)
sc := ctx.GetSessionVars().StmtCtx
oldTypeFlags := sc.TypeFlags()
defer func() {
sc.SetTypeFlags(oldTypeFlags)
}()
sc.SetTypeFlags(oldTypeFlags.WithIgnoreTruncateErr(true))
testCases := []struct {
args []any
isTrue any
isFalse any
}{
{
args: []any{-12},
isTrue: 1,
isFalse: 0,
},
{
args: []any{12},
isTrue: 1,
isFalse: 0,
},
{
args: []any{0},
isTrue: 0,
isFalse: 1,
},
{
args: []any{float64(0)},
isTrue: 0,
isFalse: 1,
},
{
args: []any{"aaa"},
isTrue: 0,
isFalse: 1,
},
{
args: []any{""},
isTrue: 0,
isFalse: 1,
},
{
args: []any{"0.3"},
isTrue: 1,
isFalse: 0,
},
{
args: []any{float64(0.3)},
isTrue: 1,
isFalse: 0,
},
{
args: []any{types.NewDecFromFloatForTest(0.3)},
isTrue: 1,
isFalse: 0,
},
{
args: []any{nil},
isTrue: 0,
isFalse: 0,
},
{
args: []any{types.NewDuration(0, 0, 0, 1000, 3)},
isTrue: 1,
isFalse: 0,
},
{
args: []any{types.NewDuration(0, 0, 0, 0, 3)},
isTrue: 0,
isFalse: 1,
},
{
args: []any{types.NewTime(types.FromDate(0, 0, 0, 0, 0, 0, 1000), mysql.TypeDatetime, 3)},
isTrue: 1,
isFalse: 0,
},
{
args: []any{types.NewTime(types.CoreTime(0), mysql.TypeTimestamp, 3)},
isTrue: 0,
isFalse: 1,
},
}
for _, tc := range testCases {
isTrueSig, err := funcs[ast.IsTruthWithoutNull].getFunction(ctx, datumsToConstants(types.MakeDatums(tc.args...)))
require.NoError(t, err)
require.NotNil(t, isTrueSig)
isTrue, err := evalBuiltinFunc(isTrueSig, ctx, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(tc.isTrue), isTrue)
}
for _, tc := range testCases {
isFalseSig, err := funcs[ast.IsFalsity].getFunction(ctx, datumsToConstants(types.MakeDatums(tc.args...)))
require.NoError(t, err)
require.NotNil(t, isFalseSig)
isFalse, err := evalBuiltinFunc(isFalseSig, ctx, chunk.Row{})
require.NoError(t, err)
testutil.DatumEqual(t, types.NewDatum(tc.isFalse), isFalse)
}
}
func TestLogicXor(t *testing.T) {
ctx := createContext(t)
sc := ctx.GetSessionVars().StmtCtx
oldTypeFlags := sc.TypeFlags()
defer func() {
sc.SetTypeFlags(oldTypeFlags)
}()
sc.SetTypeFlags(oldTypeFlags.WithIgnoreTruncateErr(true))
cases := []struct {
args []any
expected int64
isNil bool
getErr bool
}{
{[]any{1, 1}, 0, false, false},
{[]any{1, 0}, 1, false, false},
{[]any{0, 1}, 1, false, false},
{[]any{0, 0}, 0, false, false},
{[]any{2, -1}, 0, false, false},
{[]any{"a", "0"}, 0, false, false},
{[]any{"a", "1"}, 1, false, false},
{[]any{"1a", "0"}, 1, false, false},
{[]any{"1a", "1"}, 0, false, false},
{[]any{0, nil}, 0, true, false},
{[]any{nil, 0}, 0, true, false},
{[]any{nil, 1}, 0, true, false},
{[]any{0.5000, 0.4999}, 0, false, false},
{[]any{0.5000, 1.0}, 0, false, false},
{[]any{0.4999, 1.0}, 0, false, false},
{[]any{nil, 0.000}, 0, true, false},
{[]any{nil, 0.001}, 0, true, false},
{[]any{types.NewDecFromStringForTest("0.000001"), 0.00001}, 0, false, false},
{[]any{types.NewDecFromStringForTest("0.000001"), 1}, 0, false, false},
{[]any{types.NewDecFromStringForTest("0.000000"), nil}, 0, true, false},
{[]any{types.NewDecFromStringForTest("0.000001"), nil}, 0, true, false},
{[]any{errors.New("must error"), 1}, 0, false, true},
}
for _, c := range cases {
f, err := newFunctionForTest(ctx, ast.LogicXor, primitiveValsToConstants(ctx, c.args)...)
require.NoError(t, err)
d, err := f.Eval(ctx, chunk.Row{})
if c.getErr {
require.Error(t, err)
} else {
require.NoError(t, err)
if c.isNil {
require.Equal(t, types.KindNull, d.Kind())
} else {
require.Equal(t, c.expected, d.GetInt64())
}
}
}
// Test incorrect parameter count.
_, err := newFunctionForTest(ctx, ast.LogicXor, NewZero())
require.Error(t, err)
_, err = funcs[ast.LogicXor].getFunction(ctx, []Expression{NewZero(), NewZero()})
require.NoError(t, err)
}