242 lines
12 KiB
Go
242 lines
12 KiB
Go
// Copyright 2019 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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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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"testing"
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"github.com/pingcap/tidb/parser/ast"
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"github.com/pingcap/tidb/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/mock"
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"github.com/stretchr/testify/require"
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)
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var vecBuiltinArithmeticCases = map[string][]vecExprBenchCase{
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ast.LE: {},
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ast.Minus: {
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt}, geners: []dataGenerator{newRangeInt64Gener(-100000, 100000), newRangeInt64Gener(-100000, 100000)}},
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},
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ast.Div: {
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}},
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}, geners: []dataGenerator{nil, newRangeRealGener(0, 0, 0)}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}, geners: []dataGenerator{nil, newRangeDecimalGener(0, 0, 0.2)}},
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},
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ast.IntDiv: {
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}, geners: []dataGenerator{nil, newRangeDecimalGener(0, 0, 0.2)}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldTypeBuilder().SetType(mysql.TypeNewDecimal).SetFlag(mysql.UnsignedFlag).BuildP(), nil},
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geners: []dataGenerator{newRangeDecimalGener(0, 10000, 0.2), newRangeDecimalGener(0, 10000, 0.2)},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal},
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childrenFieldTypes: []*types.FieldType{nil, types.NewFieldTypeBuilder().SetType(mysql.TypeNewDecimal).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{newRangeDecimalGener(0, 10000, 0.2), newRangeDecimalGener(0, 10000, 0.2)},
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},
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// when the final result is at (-1, 0], it should be return 0 instead of the error
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal},
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childrenFieldTypes: []*types.FieldType{nil, types.NewFieldTypeBuilder().SetType(mysql.TypeNewDecimal).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{newRangeDecimalGener(-100, -1, 0.2), newRangeDecimalGener(1000, 2000, 0.2)},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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geners: []dataGenerator{
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newRangeInt64Gener(math.MinInt64/2, math.MaxInt64/2),
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newRangeInt64Gener(math.MinInt64/2, math.MaxInt64/2),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP(),
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{
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newRangeInt64Gener(0, math.MaxInt64),
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newRangeInt64Gener(0, math.MaxInt64),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldType(mysql.TypeLonglong),
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{
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newRangeInt64Gener(0, math.MaxInt64),
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newRangeInt64Gener(0, math.MaxInt64),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP(),
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types.NewFieldType(mysql.TypeLonglong)},
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geners: []dataGenerator{
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newRangeInt64Gener(0, math.MaxInt64),
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newRangeInt64Gener(0, math.MaxInt64),
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},
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},
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},
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ast.Mod: {
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}},
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}, geners: []dataGenerator{nil, newRangeRealGener(0, 0, 0)}},
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}, geners: []dataGenerator{newRangeRealGener(0, 0, 0), nil}},
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}, geners: []dataGenerator{nil, newRangeRealGener(0, 0, 1)}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}, geners: []dataGenerator{nil, newRangeDecimalGener(0, 0, 0)}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}, geners: []dataGenerator{newRangeDecimalGener(0, 0, 0), nil}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}, geners: []dataGenerator{nil, newRangeDecimalGener(0, 0, 1)}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt}, geners: []dataGenerator{nil, newRangeInt64Gener(0, 1)}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt}, geners: []dataGenerator{newRangeInt64Gener(0, 1), nil}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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geners: []dataGenerator{
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newRangeInt64Gener(math.MinInt64/2, math.MaxInt64/2),
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newRangeInt64Gener(math.MinInt64/2, math.MaxInt64/2),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP(),
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{
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newRangeInt64Gener(0, math.MaxInt64),
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newRangeInt64Gener(0, math.MaxInt64),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldType(mysql.TypeLonglong),
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{
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newRangeInt64Gener(math.MinInt64/2, math.MaxInt64/2),
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newRangeInt64Gener(0, math.MaxInt64),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP(),
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types.NewFieldType(mysql.TypeLonglong)},
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geners: []dataGenerator{
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newRangeInt64Gener(0, math.MaxInt64),
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newRangeInt64Gener(math.MinInt64/2, math.MaxInt64/2),
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},
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},
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},
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ast.Or: {},
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ast.Mul: {
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt}, geners: []dataGenerator{newRangeInt64Gener(-10000, 10000), newRangeInt64Gener(-10000, 10000)}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldTypeBuilder().SetType(mysql.TypeInt24).SetFlag(mysql.UnsignedFlag).BuildP(),
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{
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newRangeInt64Gener(0, 10000),
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newRangeInt64Gener(0, 10000),
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},
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},
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},
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ast.Round: {},
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ast.And: {},
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ast.Plus: {
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{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal, types.ETReal}},
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{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal, types.ETDecimal}},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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geners: []dataGenerator{
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newRangeInt64Gener(math.MinInt64/2, math.MaxInt64/2),
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newRangeInt64Gener(math.MinInt64/2, math.MaxInt64/2),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP(),
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{
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newRangeInt64Gener(0, math.MaxInt64),
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newRangeInt64Gener(0, math.MaxInt64),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldType(mysql.TypeLonglong),
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP()},
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geners: []dataGenerator{
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newRangeInt64Gener(0, math.MaxInt64),
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newRangeInt64Gener(0, math.MaxInt64),
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},
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},
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{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt, types.ETInt},
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childrenFieldTypes: []*types.FieldType{
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types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).SetFlag(mysql.UnsignedFlag).BuildP(),
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types.NewFieldType(mysql.TypeLonglong)},
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geners: []dataGenerator{
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newRangeInt64Gener(0, math.MaxInt64),
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newRangeInt64Gener(0, math.MaxInt64),
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},
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},
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},
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ast.NE: {},
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}
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func TestVectorizedBuiltinArithmeticFunc(t *testing.T) {
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testVectorizedBuiltinFunc(t, vecBuiltinArithmeticCases)
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}
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func TestVectorizedDecimalErrOverflow(t *testing.T) {
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ctx := mock.NewContext()
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testCases := []struct {
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args []float64
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funcName string
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errStr string
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}{
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{args: []float64{8.1e80, 8.1e80}, funcName: ast.Plus,
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errStr: "[types:1690]DECIMAL value is out of range in '(Column#0 + Column#0)'",
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},
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{args: []float64{8.1e80, -8.1e80}, funcName: ast.Minus,
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errStr: "[types:1690]DECIMAL value is out of range in '(Column#0 - Column#0)'",
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},
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{args: []float64{8.1e80, 8.1e80}, funcName: ast.Mul,
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errStr: "[types:1690]DECIMAL value is out of range in '(Column#0 * Column#0)'",
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},
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{args: []float64{8.1e80, 0.1}, funcName: ast.Div,
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errStr: "[types:1690]DECIMAL value is out of range in '(Column#0 / Column#0)'",
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},
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}
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for _, tt := range testCases {
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fts := []*types.FieldType{eType2FieldType(types.ETDecimal), eType2FieldType(types.ETDecimal)}
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input := chunk.New(fts, 1, 1)
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dec1, dec2 := new(types.MyDecimal), new(types.MyDecimal)
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err := dec1.FromFloat64(tt.args[0])
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require.NoError(t, err)
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err = dec2.FromFloat64(tt.args[1])
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require.NoError(t, err)
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input.AppendMyDecimal(0, dec1)
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input.AppendMyDecimal(1, dec2)
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cols := []Expression{&Column{Index: 0, RetType: fts[0]}, &Column{Index: 1, RetType: fts[1]}}
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baseFunc, err := funcs[tt.funcName].getFunction(ctx, cols)
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require.NoError(t, err)
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result := chunk.NewColumn(eType2FieldType(types.ETDecimal), 1)
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err = baseFunc.vecEvalDecimal(input, result)
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require.EqualError(t, err, tt.errStr)
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}
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}
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func BenchmarkVectorizedBuiltinArithmeticFunc(b *testing.B) {
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benchmarkVectorizedBuiltinFunc(b, vecBuiltinArithmeticCases)
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}
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