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tidb/pkg/expression/builtin_other_vec_test.go

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4.3 KiB
Go

// Copyright 2019 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 (
"fmt"
"math/rand"
"testing"
"github.com/pingcap/tidb/pkg/expression/exprctx"
"github.com/pingcap/tidb/pkg/parser/ast"
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/chunk"
"github.com/pingcap/tidb/pkg/util/mock"
"github.com/stretchr/testify/require"
)
func dateTimeFromString(s string) types.Time {
t, err := types.ParseDate(types.DefaultStmtNoWarningContext, s)
if err != nil {
panic(err)
}
return t
}
var vecBuiltinOtherCases = map[string][]vecExprBenchCase{
ast.SetVar: {
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString, types.ETString}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString, types.ETInt}},
{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETString, types.ETReal}},
{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETString, types.ETDecimal}},
},
ast.GetVar: {
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString}},
},
ast.In: {},
ast.BitCount: {{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}}},
ast.GetParam: {
{
retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETInt},
geners: []dataGenerator{newRangeInt64Gener(0, 10)},
},
},
}
func TestVectorizedBuiltinOtherFunc(t *testing.T) {
testVectorizedBuiltinFunc(t, vecBuiltinOtherCases)
}
func BenchmarkVectorizedBuiltinOtherFunc(b *testing.B) {
benchmarkVectorizedBuiltinFunc(b, vecBuiltinOtherCases)
}
func TestInDecimal(t *testing.T) {
ctx := mock.NewContext()
ft := eType2FieldType(types.ETDecimal)
col0 := &Column{RetType: ft, Index: 0}
col1 := &Column{RetType: ft, Index: 1}
inFunc, err := funcs[ast.In].getFunction(ctx, []Expression{col0, col1})
require.NoError(t, err)
require.True(t, inFunc.vectorized() && inFunc.isChildrenVectorized())
input := chunk.NewChunkWithCapacity([]*types.FieldType{ft, ft}, 1024)
for i := range 1024 {
d0 := new(types.MyDecimal)
d1 := new(types.MyDecimal)
v := fmt.Sprintf("%d.%d", rand.Intn(1000), rand.Int31())
require.Nil(t, d0.FromString([]byte(v)))
v += "00"
require.Nil(t, d1.FromString([]byte(v)))
input.Column(0).AppendMyDecimal(d0)
input.Column(1).AppendMyDecimal(d1)
require.NotEqual(t, input.Column(0).GetDecimal(i).GetDigitsFrac(), input.Column(1).GetDecimal(i).GetDigitsFrac())
}
result := chunk.NewColumn(ft, 1024)
require.NoError(t, vecEvalType(ctx, inFunc, types.ETInt, input, result))
for range 1024 {
require.Equal(t, int64(1), result.GetInt64(0))
}
}
func TestGetParamVec(t *testing.T) {
ctx := createContext(t)
params := []types.Datum{
types.NewIntDatum(123),
types.NewStringDatum("abc"),
}
ctx.GetSessionVars().PlanCacheParams.Append(params...)
ft := eType2FieldType(types.ETInt)
col := &Column{RetType: ft, Index: 0}
fn, err := funcs[ast.GetParam].getFunction(ctx, []Expression{col})
require.NoError(t, err)
require.True(t, fn.vectorized() && fn.isChildrenVectorized())
input := chunk.NewChunkWithCapacity([]*types.FieldType{ft}, 3)
for i := range params {
input.Column(0).AppendInt64(int64(i))
}
result := chunk.NewColumn(ft, 3)
require.NoError(t, vecEvalType(ctx, fn, types.ETString, input, result))
require.Equal(t, len(params), result.Rows())
for i := range result.Rows() {
require.False(t, result.IsNull(i))
val := result.GetString(i)
str, err := params[i].ToString()
require.NoError(t, err)
require.Equal(t, str, val)
}
input = chunk.NewChunkWithCapacity([]*types.FieldType{ft}, 3)
input.Column(0).AppendInt64(1)
input.Column(0).AppendInt64(2)
input.Column(0).AppendInt64(int64(len(params)))
require.Equal(t, exprctx.ErrParamIndexExceedParamCounts, vecEvalType(ctx, fn, types.ETString, input, result))
}