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builtin_miscellaneous_vec_test.go
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// 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 (
"sync/atomic"
"testing"
"time"
"github.com/pingcap/tidb/parser/ast"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/chunk"
"github.com/pingcap/tidb/util/mock"
"github.com/stretchr/testify/require"
)
var vecBuiltinMiscellaneousCases = map[string][]vecExprBenchCase{
ast.Inet6Aton: {
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&ipv6StrGener{newDefaultRandGen()}}},
},
ast.IsIPv6: {
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}},
},
ast.Sleep: {
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETReal}, geners: []dataGenerator{
newSelectRealGener([]float64{0, 0.000001}),
}},
},
ast.UUID: {},
ast.Inet6Ntoa: {
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{
newSelectStringGener(
[]string{
"192.168.0.1",
"2001:db8::68", // ipv6
},
)}},
},
ast.InetAton: {
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&ipv4StrGener{newDefaultRandGen()}}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{
newSelectStringGener(
[]string{
"11.11.11.11",
"255.255.255.255",
"127",
".122",
".123.123",
"127.255",
"127.2.1",
},
)}},
},
ast.IsIPv4Mapped: {
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&ipv4MappedByteGener{newDefaultRandGen()}}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&ipv6ByteGener{newDefaultRandGen()}}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&ipv4ByteGener{newDefaultRandGen()}}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{newDefaultGener(1.0, types.ETString)}},
},
ast.IsIPv4Compat: {
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&ipv4CompatByteGener{newDefaultRandGen()}}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&ipv6ByteGener{newDefaultRandGen()}}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&ipv4ByteGener{newDefaultRandGen()}}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{newDefaultGener(1.0, types.ETString)}},
},
ast.InetNtoa: {
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETInt}},
},
ast.IsIPv4: {
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}},
},
ast.AnyValue: {
{retEvalType: types.ETDuration, childrenTypes: []types.EvalType{types.ETDuration}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}},
{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal}},
{retEvalType: types.ETTimestamp, childrenTypes: []types.EvalType{types.ETTimestamp}},
{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal}},
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString}},
{retEvalType: types.ETJson, childrenTypes: []types.EvalType{types.ETJson}},
},
ast.NameConst: {
{retEvalType: types.ETDuration, childrenTypes: []types.EvalType{types.ETString, types.ETDuration}},
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString, types.ETString}},
{retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETString, types.ETDecimal}},
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString, types.ETInt}},
{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETString, types.ETReal}},
{retEvalType: types.ETJson, childrenTypes: []types.EvalType{types.ETString, types.ETJson}},
{retEvalType: types.ETTimestamp, childrenTypes: []types.EvalType{types.ETString, types.ETTimestamp}},
},
ast.UUIDToBin: {
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&uuidStrGener{newDefaultRandGen()}}},
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString, types.ETInt}, geners: []dataGenerator{&uuidStrGener{newDefaultRandGen()}}},
},
ast.BinToUUID: {
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&uuidBinGener{newDefaultRandGen()}}},
{retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString, types.ETInt}, geners: []dataGenerator{&uuidBinGener{newDefaultRandGen()}}},
},
ast.IsUUID: {
{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{&uuidStrGener{newDefaultRandGen()}}},
},
}
func TestVectorizedBuiltinMiscellaneousEvalOneVec(t *testing.T) {
testVectorizedEvalOneVec(t, vecBuiltinMiscellaneousCases)
}
func TestVectorizedBuiltinMiscellaneousFunc(t *testing.T) {
testVectorizedBuiltinFunc(t, vecBuiltinMiscellaneousCases)
}
func BenchmarkVectorizedBuiltinMiscellaneousEvalOneVec(b *testing.B) {
benchmarkVectorizedEvalOneVec(b, vecBuiltinMiscellaneousCases)
}
func BenchmarkVectorizedBuiltinMiscellaneousFunc(b *testing.B) {
benchmarkVectorizedBuiltinFunc(b, vecBuiltinMiscellaneousCases)
}
type counter struct {
count int
}
func (c *counter) add(diff int) int {
c.count += diff
return c.count
}
func TestSleepVectorized(t *testing.T) {
ctx := mock.NewContext()
sessVars := ctx.GetSessionVars()
fc := funcs[ast.Sleep]
ft := eType2FieldType(types.ETReal)
col0 := &Column{RetType: ft, Index: 0}
f, err := fc.getFunction(ctx, []Expression{col0})
require.NoError(t, err)
input := chunk.NewChunkWithCapacity([]*types.FieldType{ft}, 1024)
result := chunk.NewColumn(ft, 1024)
warnCnt := counter{}
// non-strict model
sessVars.StmtCtx.BadNullAsWarning = true
input.AppendFloat64(0, 1)
err = f.vecEvalInt(input, result)
require.NoError(t, err)
require.Equal(t, int64(0), result.GetInt64(0))
require.Equal(t, uint16(warnCnt.add(0)), sessVars.StmtCtx.WarningCount())
input.Reset()
input.AppendFloat64(0, -1)
err = f.vecEvalInt(input, result)
require.NoError(t, err)
require.Equal(t, int64(0), result.GetInt64(0))
require.Equal(t, uint16(warnCnt.add(1)), sessVars.StmtCtx.WarningCount())
input.Reset()
input.AppendNull(0)
err = f.vecEvalInt(input, result)
require.NoError(t, err)
require.Equal(t, int64(0), result.GetInt64(0))
require.Equal(t, uint16(warnCnt.add(1)), sessVars.StmtCtx.WarningCount())
input.Reset()
input.AppendNull(0)
input.AppendFloat64(0, 1)
input.AppendFloat64(0, -1)
err = f.vecEvalInt(input, result)
require.NoError(t, err)
require.Equal(t, int64(0), result.GetInt64(0))
require.Equal(t, int64(0), result.GetInt64(1))
require.Equal(t, int64(0), result.GetInt64(2))
require.Equal(t, uint16(warnCnt.add(2)), sessVars.StmtCtx.WarningCount())
// for error case under the strict model
sessVars.StmtCtx.BadNullAsWarning = false
input.Reset()
input.AppendNull(0)
err = f.vecEvalInt(input, result)
require.Error(t, err)
require.Equal(t, int64(0), result.GetInt64(0))
sessVars.StmtCtx.SetWarnings(nil)
input.Reset()
input.AppendFloat64(0, -2.5)
err = f.vecEvalInt(input, result)
require.Error(t, err)
require.Equal(t, int64(0), result.GetInt64(0))
// strict model
input.Reset()
input.AppendFloat64(0, 0.5)
start := time.Now()
err = f.vecEvalInt(input, result)
require.NoError(t, err)
require.Equal(t, int64(0), result.GetInt64(0))
sub := time.Since(start)
require.GreaterOrEqual(t, sub.Nanoseconds(), int64(0.5*1e9))
input.Reset()
input.AppendFloat64(0, 0.01)
input.AppendFloat64(0, 2)
input.AppendFloat64(0, 2)
start = time.Now()
go func() {
time.Sleep(1 * time.Second)
atomic.CompareAndSwapUint32(&ctx.GetSessionVars().Killed, 0, 1)
}()
err = f.vecEvalInt(input, result)
sub = time.Since(start)
require.NoError(t, err)
require.Equal(t, int64(0), result.GetInt64(0))
require.Equal(t, int64(1), result.GetInt64(1))
require.Equal(t, int64(1), result.GetInt64(2))
require.LessOrEqual(t, sub.Nanoseconds(), int64(2*1e9))
require.GreaterOrEqual(t, sub.Nanoseconds(), int64(1*1e9))
}