458 lines
20 KiB
Go
458 lines
20 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 core
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import (
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"reflect"
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"strings"
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"testing"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/pkg/domain"
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"github.com/pingcap/tidb/pkg/executor/join/joinversion"
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"github.com/pingcap/tidb/pkg/expression"
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"github.com/pingcap/tidb/pkg/parser/ast"
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"github.com/pingcap/tidb/pkg/parser/mysql"
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"github.com/pingcap/tidb/pkg/planner/core/base"
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"github.com/pingcap/tidb/pkg/planner/core/operator/physicalop"
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"github.com/pingcap/tidb/pkg/planner/property"
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"github.com/pingcap/tidb/pkg/planner/util/coretestsdk"
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"github.com/pingcap/tidb/pkg/types"
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"github.com/pingcap/tipb/go-tipb"
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"github.com/stretchr/testify/require"
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)
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// LogicalOptimize exports the `logicalOptimize` function for test packages and
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// doesn't affect the normal package and access control of Golang (tricky ^_^)
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var LogicalOptimize = logicalOptimize
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func testDecimalConvert(t *testing.T, lDec, lLen, rDec, rLen int, lConvert, rConvert bool, cDec, cLen int) {
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lType := types.NewFieldType(mysql.TypeNewDecimal)
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lType.SetDecimal(lDec)
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lType.SetFlen(lLen)
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rType := types.NewFieldType(mysql.TypeNewDecimal)
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rType.SetDecimal(rDec)
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rType.SetFlen(rLen)
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cType, lCon, rCon := negotiateCommonType(lType, rType)
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require.Equal(t, mysql.TypeNewDecimal, cType.GetType())
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require.Equal(t, cDec, cType.GetDecimal())
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require.Equal(t, cLen, cType.GetFlen())
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require.Equal(t, lConvert, lCon)
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require.Equal(t, rConvert, rCon)
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}
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func TestMPPDecimalConvert(t *testing.T) {
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testDecimalConvert(t, 5, 9, 5, 8, false, false, 5, 9)
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testDecimalConvert(t, 5, 8, 5, 9, false, false, 5, 9)
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testDecimalConvert(t, 0, 8, 0, 11, true, false, 0, 11)
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testDecimalConvert(t, 0, 16, 0, 11, false, false, 0, 16)
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testDecimalConvert(t, 5, 9, 4, 9, true, true, 5, 10)
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testDecimalConvert(t, 5, 8, 4, 9, true, true, 5, 10)
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testDecimalConvert(t, 5, 9, 4, 8, false, true, 5, 9)
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testDecimalConvert(t, 10, 16, 0, 11, true, true, 10, 21)
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testDecimalConvert(t, 5, 19, 0, 20, false, true, 5, 25)
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testDecimalConvert(t, 20, 20, 0, 60, true, true, 20, 65)
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testDecimalConvert(t, 20, 40, 0, 60, false, true, 20, 65)
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testDecimalConvert(t, 0, 40, 0, 60, false, false, 0, 60)
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}
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func testJoinKeyTypeConvert(t *testing.T, leftType, rightType, retType *types.FieldType, lConvert, rConvert bool) {
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cType, lCon, rCon := negotiateCommonType(leftType, rightType)
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require.Equal(t, retType.GetType(), cType.GetType())
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require.Equal(t, retType.GetFlen(), cType.GetFlen())
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require.Equal(t, retType.GetDecimal(), cType.GetDecimal())
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require.Equal(t, retType.GetFlag(), cType.GetFlag())
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require.Equal(t, lConvert, lCon)
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require.Equal(t, rConvert, rCon)
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}
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func TestMPPJoinKeyTypeConvert(t *testing.T) {
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tinyIntType := types.NewFieldTypeBuilder().SetType(mysql.TypeTiny).BuildP()
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flen, decimal := mysql.GetDefaultFieldLengthAndDecimal(mysql.TypeTiny)
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tinyIntType.SetFlen(flen)
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tinyIntType.SetDecimal(decimal)
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unsignedTinyIntType := types.NewFieldTypeBuilder().SetType(mysql.TypeTiny).BuildP()
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unsignedTinyIntType.SetFlen(flen)
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unsignedTinyIntType.SetDecimal(decimal)
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unsignedTinyIntType.SetFlag(mysql.UnsignedFlag)
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bigIntType := types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).BuildP()
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flen, decimal = mysql.GetDefaultFieldLengthAndDecimal(mysql.TypeLonglong)
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bigIntType.SetFlen(flen)
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bigIntType.SetDecimal(decimal)
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unsignedBigIntType := types.NewFieldTypeBuilder().SetType(mysql.TypeLonglong).BuildP()
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unsignedBigIntType.SetFlen(flen)
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unsignedBigIntType.SetDecimal(decimal)
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unsignedBigIntType.SetFlag(mysql.UnsignedFlag)
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decimalType := types.NewFieldTypeBuilder().SetType(mysql.TypeNewDecimal).SetFlen(20).SetDecimal(0).BuildP()
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testJoinKeyTypeConvert(t, tinyIntType, tinyIntType, tinyIntType, false, false)
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testJoinKeyTypeConvert(t, tinyIntType, unsignedTinyIntType, bigIntType, true, true)
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testJoinKeyTypeConvert(t, tinyIntType, bigIntType, bigIntType, true, false)
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testJoinKeyTypeConvert(t, bigIntType, tinyIntType, bigIntType, false, true)
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testJoinKeyTypeConvert(t, unsignedBigIntType, tinyIntType, decimalType, true, true)
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testJoinKeyTypeConvert(t, tinyIntType, unsignedBigIntType, decimalType, true, true)
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testJoinKeyTypeConvert(t, bigIntType, bigIntType, bigIntType, false, false)
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testJoinKeyTypeConvert(t, unsignedBigIntType, bigIntType, decimalType, true, true)
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testJoinKeyTypeConvert(t, bigIntType, unsignedBigIntType, decimalType, true, true)
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}
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// Test for core.handleFineGrainedShuffle()
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func TestHandleFineGrainedShuffle(t *testing.T) {
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sortItem := property.SortItem{
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Col: nil,
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Desc: true,
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}
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var plans []*physicalop.BasePhysicalPlan
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tableReader := &physicalop.PhysicalTableReader{}
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partWindow := &physicalop.PhysicalWindow{
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// Meaningless sort item, just for test.
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PartitionBy: []property.SortItem{sortItem},
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}
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partialSort := &physicalop.PhysicalSort{
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IsPartialSort: true,
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}
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sort := &physicalop.PhysicalSort{}
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recv := &physicalop.PhysicalExchangeReceiver{}
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passSender := &physicalop.PhysicalExchangeSender{
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ExchangeType: tipb.ExchangeType_PassThrough,
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}
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hashSender := &physicalop.PhysicalExchangeSender{
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ExchangeType: tipb.ExchangeType_Hash,
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}
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tableScan := &physicalop.PhysicalTableScan{}
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plans = append(plans, &partWindow.BasePhysicalPlan)
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plans = append(plans, &partialSort.BasePhysicalPlan)
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plans = append(plans, &sort.BasePhysicalPlan)
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plans = append(plans, &recv.BasePhysicalPlan)
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plans = append(plans, &hashSender.BasePhysicalPlan)
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clearFunc := func(plans []*physicalop.BasePhysicalPlan) {
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for _, p := range plans {
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p.SetChildren(nil)
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p.TiFlashFineGrainedShuffleStreamCount = 0
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}
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}
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var check func(p base.PhysicalPlan, expStreamCount int64, expChildCount int, curChildCount int)
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check = func(p base.PhysicalPlan, expStreamCount int64, expChildCount int, curChildCount int) {
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if len(p.Children()) == 0 {
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require.Equal(t, expChildCount, curChildCount)
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_, isTableScan := p.(*physicalop.PhysicalTableScan)
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require.True(t, isTableScan)
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return
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}
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val := reflect.ValueOf(p)
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actStreamCount := reflect.Indirect(val).FieldByName("TiFlashFineGrainedShuffleStreamCount").Interface().(uint64)
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require.Equal(t, uint64(expStreamCount), actStreamCount)
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for _, child := range p.Children() {
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check(child, expStreamCount, expChildCount, curChildCount+1)
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}
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}
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const expStreamCount int64 = 8
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sctx := coretestsdk.MockContext()
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sctx.GetSessionVars().TiFlashFineGrainedShuffleStreamCount = expStreamCount
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sctx.GetSessionVars().TiFlashHashJoinVersion = joinversion.HashJoinVersionLegacy
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defer func() {
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domain.GetDomain(sctx).StatsHandle().Close()
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}()
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start := func(p base.PhysicalPlan, expStreamCount int64, expChildCount int, curChildCount int) {
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handleFineGrainedShuffle(nil, sctx.GetPlanCtx(), tableReader)
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check(p, expStreamCount, expChildCount, curChildCount)
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clearFunc(plans)
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}
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// Window <- Sort <- ExchangeReceiver <- ExchangeSender
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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partWindow.SetChildren([]base.PhysicalPlan{partialSort}...)
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partialSort.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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start(partWindow, expStreamCount, 4, 0)
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// Window <- ExchangeReceiver <- ExchangeSender
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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partWindow.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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start(partWindow, expStreamCount, 3, 0)
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// Window <- Sort(x) <- ExchangeReceiver <- ExchangeSender
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// Fine-grained shuffle is disabled because sort is not partial.
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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partWindow.SetChildren([]base.PhysicalPlan{sort}...)
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sort.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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start(partWindow, 0, 4, 0)
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// Window <- Sort <- Window <- Sort <- ExchangeReceiver <- ExchangeSender
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partWindow1 := &physicalop.PhysicalWindow{
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// Meaningless sort item, just for test.
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PartitionBy: []property.SortItem{sortItem},
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}
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partialSort1 := &physicalop.PhysicalSort{
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IsPartialSort: true,
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}
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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partWindow.SetChildren([]base.PhysicalPlan{partialSort}...)
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partialSort.SetChildren([]base.PhysicalPlan{partWindow1}...)
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partWindow1.SetChildren([]base.PhysicalPlan{partialSort1}...)
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partialSort1.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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start(partWindow, expStreamCount, 6, 0)
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// Window <- Sort <- Window(x) <- Sort <- ExchangeReceiver <- ExchangeSender(x)
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// Fine-grained shuffle is disabled because Window is not hash partition.
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nonPartWindow := &physicalop.PhysicalWindow{}
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partialSort1 = &physicalop.PhysicalSort{
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IsPartialSort: true,
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}
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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partWindow.SetChildren([]base.PhysicalPlan{partialSort}...)
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partialSort.SetChildren([]base.PhysicalPlan{nonPartWindow}...)
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nonPartWindow.SetChildren([]base.PhysicalPlan{partialSort1}...)
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partialSort1.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{passSender}...)
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passSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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start(partWindow, 0, 6, 0)
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// HashAgg <- Window <- ExchangeReceiver <- ExchangeSender
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hashAgg := &physicalop.PhysicalHashAgg{}
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{hashAgg}...)
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hashAgg.SetChildren([]base.PhysicalPlan{partWindow}...)
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partWindow.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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require.Equal(t, uint64(0), hashAgg.TiFlashFineGrainedShuffleStreamCount)
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start(partWindow, expStreamCount, 3, 0)
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// Window <- HashAgg(x) <- ExchangeReceiver <- ExchangeSender
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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hashAgg = &physicalop.PhysicalHashAgg{}
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partWindow.SetChildren([]base.PhysicalPlan{hashAgg}...)
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hashAgg.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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start(partWindow, 0, 4, 0)
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// Window <- Join(x) <- ExchangeReceiver <- ExchangeSender
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// <- ExchangeReceiver <- ExchangeSender
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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hashJoin := &physicalop.PhysicalHashJoin{}
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recv1 := &physicalop.PhysicalExchangeReceiver{}
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tableScan1 := &physicalop.PhysicalTableScan{}
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partWindow.SetChildren([]base.PhysicalPlan{hashJoin}...)
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hashSender1 := &physicalop.PhysicalExchangeSender{
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ExchangeType: tipb.ExchangeType_Hash,
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}
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hashJoin.SetChildren([]base.PhysicalPlan{recv, recv1}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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recv1.SetChildren([]base.PhysicalPlan{hashSender1}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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hashSender1.SetChildren([]base.PhysicalPlan{tableScan1}...)
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start(partWindow, 0, 4, 0)
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// Join <- ExchangeReceiver <- ExchangeSender <- Window <- ExchangeReceiver(2) <- ExchangeSender(2)
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// <- ExchangeReceiver(1) <- ExchangeSender(1)
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tableReader.TablePlan = passSender
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passSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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hashJoin = &physicalop.PhysicalHashJoin{}
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recv1 = &physicalop.PhysicalExchangeReceiver{}
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hashJoin.SetChildren([]base.PhysicalPlan{recv, recv1}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{partWindow}...)
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recv2 := &physicalop.PhysicalExchangeReceiver{}
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hashSender2 := &physicalop.PhysicalExchangeSender{
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ExchangeType: tipb.ExchangeType_Hash,
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}
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tableScan2 := &physicalop.PhysicalTableScan{}
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partWindow.SetChildren([]base.PhysicalPlan{recv2}...)
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recv2.SetChildren([]base.PhysicalPlan{hashSender2}...)
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hashSender2.SetChildren([]base.PhysicalPlan{tableScan2}...)
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recv1.SetChildren([]base.PhysicalPlan{hashSender1}...)
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tableScan1 = &physicalop.PhysicalTableScan{}
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hashSender1.SetChildren([]base.PhysicalPlan{tableScan1}...)
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start(partWindow, expStreamCount, 3, 0)
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instances := []string{
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"tiflash,127.0.0.1:3933,127.0.0.1:7777,,",
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"tikv,127.0.0.1:11080,127.0.0.1:10080,,",
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}
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fpName := "github.com/pingcap/tidb/pkg/infoschema/mockStoreServerInfo"
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fpExpr := `return("` + strings.Join(instances, ";") + `")`
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require.NoError(t, failpoint.Enable(fpName, fpExpr))
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defer func() { require.NoError(t, failpoint.Disable(fpName)) }()
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fpName2 := "github.com/pingcap/tidb/pkg/planner/core/mockTiFlashStreamCountUsingMinLogicalCores"
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require.NoError(t, failpoint.Enable(fpName2, `return("16")`))
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sctx.GetSessionVars().TiFlashFineGrainedShuffleStreamCount = 0
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col0 := &expression.Column{
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UniqueID: sctx.GetSessionVars().AllocPlanColumnID(),
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RetType: types.NewFieldType(mysql.TypeLonglong),
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}
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cond, err := expression.NewFunction(sctx, ast.EQ, types.NewFieldType(mysql.TypeTiny), col0, col0)
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require.True(t, err == nil)
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sf, isSF := cond.(*expression.ScalarFunction)
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require.True(t, isSF)
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var partitionCols = make([]*property.MPPPartitionColumn, 0, 1)
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partitionCols = append(partitionCols, &property.MPPPartitionColumn{
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Col: col0,
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CollateID: property.GetCollateIDByNameForPartition(col0.GetType(sctx).GetCollate()),
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})
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// HashAgg(x) <- ExchangeReceiver <- ExchangeSender
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tableReader.TablePlan = passSender
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hashAgg = &physicalop.PhysicalHashAgg{}
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passSender.SetChildren([]base.PhysicalPlan{hashAgg}...)
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hashAgg.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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tableScan.Schema().Columns = append(tableScan.Schema().Columns, col0)
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start(hashAgg, 16, 3, 0)
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// Join(x) <- ExchangeReceiver <- ExchangeSender
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// <- ExchangeReceiver <- ExchangeSender
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tableReader.TablePlan = passSender
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hashJoin = &physicalop.PhysicalHashJoin{}
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hashJoin.EqualConditions = append(hashJoin.EqualConditions, sf)
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hashJoin.RightJoinKeys = append(hashJoin.RightJoinKeys, col0)
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hashJoin.InnerChildIdx = 1
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passSender.SetChildren([]base.PhysicalPlan{hashJoin}...)
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recv = &physicalop.PhysicalExchangeReceiver{}
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recv1 = &physicalop.PhysicalExchangeReceiver{}
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tableScan = &physicalop.PhysicalTableScan{}
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tableScan1 = &physicalop.PhysicalTableScan{}
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hashSender = &physicalop.PhysicalExchangeSender{
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ExchangeType: tipb.ExchangeType_Hash,
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}
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hashSender1 = &physicalop.PhysicalExchangeSender{
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ExchangeType: tipb.ExchangeType_Hash,
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}
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hashJoin.SetChildren([]base.PhysicalPlan{recv, recv1}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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recv1.SetChildren([]base.PhysicalPlan{hashSender1}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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hashSender1.SetChildren([]base.PhysicalPlan{tableScan1}...)
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hashSender1.HashCols = partitionCols
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tableScan1.Schema().Columns = append(tableScan1.Schema().Columns, col0)
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handleFineGrainedShuffle(nil, sctx.GetPlanCtx(), tableReader)
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require.Equal(t, uint64(16), hashJoin.TiFlashFineGrainedShuffleStreamCount)
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require.Equal(t, uint64(16), recv1.TiFlashFineGrainedShuffleStreamCount)
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require.Equal(t, uint64(16), hashSender1.TiFlashFineGrainedShuffleStreamCount)
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require.Equal(t, uint64(0), recv.TiFlashFineGrainedShuffleStreamCount)
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require.Equal(t, uint64(0), hashSender.TiFlashFineGrainedShuffleStreamCount)
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clearFunc(plans)
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require.NoError(t, failpoint.Disable(fpName2))
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require.NoError(t, failpoint.Enable(fpName2, `return("8000")`))
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// HashAgg(x) <- ExchangeReceiver <- ExchangeSender， exceed splitLimit
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tableReader.TablePlan = passSender
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hashAgg = &physicalop.PhysicalHashAgg{}
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passSender.SetChildren([]base.PhysicalPlan{hashAgg}...)
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hashAgg.SetChildren([]base.PhysicalPlan{recv}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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tableScan.Schema().Columns = append(tableScan.Schema().Columns, col0)
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start(hashAgg, 0, 3, 0)
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// exceed splitLimit
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// Join(x) <- ExchangeReceiver <- ExchangeSender
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// <- ExchangeReceiver <- ExchangeSender
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tableReader.TablePlan = passSender
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hashJoin = &physicalop.PhysicalHashJoin{}
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hashJoin.EqualConditions = append(hashJoin.EqualConditions, sf)
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hashJoin.LeftJoinKeys = append(hashJoin.LeftJoinKeys, col0)
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hashJoin.InnerChildIdx = 1
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passSender.SetChildren([]base.PhysicalPlan{hashJoin}...)
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recv1 = &physicalop.PhysicalExchangeReceiver{}
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tableScan1 = &physicalop.PhysicalTableScan{}
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hashSender1 = &physicalop.PhysicalExchangeSender{
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ExchangeType: tipb.ExchangeType_Hash,
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}
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hashJoin.SetChildren([]base.PhysicalPlan{recv, recv1}...)
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recv.SetChildren([]base.PhysicalPlan{hashSender}...)
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recv1.SetChildren([]base.PhysicalPlan{hashSender1}...)
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hashSender.SetChildren([]base.PhysicalPlan{tableScan}...)
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hashSender1.SetChildren([]base.PhysicalPlan{tableScan1}...)
|
|
hashSender1.HashCols = partitionCols
|
|
tableScan1.Schema().Columns = append(tableScan1.Schema().Columns, col0)
|
|
start(hashJoin, 0, 3, 0)
|
|
require.NoError(t, failpoint.Disable(fpName2))
|
|
}
|
|
|
|
func TestCanTiFlashUseHashJoinV2(t *testing.T) {
|
|
sctx := coretestsdk.MockContext()
|
|
defer func() {
|
|
domain.GetDomain(sctx).StatsHandle().Close()
|
|
}()
|
|
col0 := &expression.Column{
|
|
UniqueID: sctx.GetSessionVars().AllocPlanColumnID(),
|
|
RetType: types.NewFieldType(mysql.TypeLonglong),
|
|
}
|
|
cond, err := expression.NewFunction(sctx, ast.EQ, types.NewFieldType(mysql.TypeTiny), col0, col0)
|
|
require.True(t, err == nil)
|
|
sf, isSF := cond.(*expression.ScalarFunction)
|
|
require.True(t, isSF)
|
|
hashJoin := &physicalop.PhysicalHashJoin{}
|
|
hashJoin.EqualConditions = append(hashJoin.EqualConditions, sf)
|
|
hashJoin.LeftJoinKeys = append(hashJoin.LeftJoinKeys, col0)
|
|
|
|
sctx.GetSessionVars().TiFlashHashJoinVersion = joinversion.HashJoinVersionLegacy
|
|
sctx.GetSessionVars().TiFlashMaxBytesBeforeExternalJoin = 0
|
|
sctx.GetSessionVars().TiFlashMaxQueryMemoryPerNode = 0
|
|
sctx.GetSessionVars().TiFlashQuerySpillRatio = 0
|
|
require.False(t, hashJoin.CanTiFlashUseHashJoinV2(sctx))
|
|
// can use hash join v2
|
|
sctx.GetSessionVars().TiFlashHashJoinVersion = joinversion.HashJoinVersionOptimized
|
|
require.True(t, hashJoin.CanTiFlashUseHashJoinV2(sctx))
|
|
// can not use hash join v2 due to enabling join spill
|
|
sctx.GetSessionVars().TiFlashMaxBytesBeforeExternalJoin = 1
|
|
require.False(t, hashJoin.CanTiFlashUseHashJoinV2(sctx))
|
|
// can use hash join v2 due to TiFlashMaxQueryMemoryPerNode * TiFlashQuerySpillRatio = 0
|
|
sctx.GetSessionVars().TiFlashMaxBytesBeforeExternalJoin = 0
|
|
sctx.GetSessionVars().TiFlashMaxQueryMemoryPerNode = 1
|
|
require.True(t, hashJoin.CanTiFlashUseHashJoinV2(sctx))
|
|
// can not use hash join v2 due to enabling join spill
|
|
sctx.GetSessionVars().TiFlashQuerySpillRatio = 0.7
|
|
require.False(t, hashJoin.CanTiFlashUseHashJoinV2(sctx))
|
|
|
|
sctx.GetSessionVars().TiFlashMaxQueryMemoryPerNode = 0
|
|
sctx.GetSessionVars().TiFlashQuerySpillRatio = 0
|
|
hashJoin = &physicalop.PhysicalHashJoin{}
|
|
// can not use hash join v2 due to cross join
|
|
require.False(t, hashJoin.CanTiFlashUseHashJoinV2(sctx))
|
|
|
|
hashJoin = &physicalop.PhysicalHashJoin{}
|
|
hashJoin.EqualConditions = append(hashJoin.EqualConditions, sf)
|
|
hashJoin.LeftJoinKeys = append(hashJoin.LeftJoinKeys, col0)
|
|
hashJoin.IsNullEQ = append(hashJoin.IsNullEQ, true)
|
|
// can not use hash join v2 due to null eq
|
|
require.False(t, hashJoin.CanTiFlashUseHashJoinV2(sctx))
|
|
}
|