utilfuncp

Documentation

Index

• Variables

Variables

var AddPrefix4ShardIndexes func(lp base.LogicalPlan, sc base.PlanContext,
	conds []expression.Expression) []expression.Expression

AddPrefix4ShardIndexes will be called by LogicalSelection in logicalOp pkg.

var ApplyPredicateSimplification func(base.PlanContext, []expression.Expression) []expression.Expression

ApplyPredicateSimplification will be called by LogicalSelection in logicalOp pkg.

var AttachPlan2Task func(p base.PhysicalPlan, t base.Task) base.Task

AttachPlan2Task will be called by BasePhysicalPlan in physicalOp pkg.

var DeriveStats4DataSource func(lp base.LogicalPlan) (*property.StatsInfo, error)

DeriveStats4DataSource will be called by LogicalDataSource in logicalOp pkg.

var DeriveStats4LogicalIndexScan func(lp base.LogicalPlan, selfSchema *expression.Schema) (*property.StatsInfo, error)

DeriveStats4LogicalIndexScan will be called by LogicalIndexScan in logicalOp pkg.

var DeriveStats4LogicalTableScan func(lp base.LogicalPlan) (_ *property.StatsInfo, err error)

DeriveStats4LogicalTableScan will be called by LogicalTableScan in logicalOp pkg.

var DoOptimize func(
	ctx context.Context,
	sctx base.PlanContext,
	flag uint64,
	logic base.LogicalPlan,
) (base.LogicalPlan, base.PhysicalPlan, float64, error)

DoOptimize is to optimize a logical plan.

var ExhaustPhysicalPlans4LogicalAggregation func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalAggregation will be called by LogicalAggregation in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalApply func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalApply will be called by LogicalApply in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalCTE func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalCTE will be called by LogicalCTE in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalExpand func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalExpand will be called by LogicalExpand in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalJoin func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalJoin will be called by LogicalJoin in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalLimit func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalLimit will be called by LogicalLimit in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalLock func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalLock will be called by LogicalLock in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalMaxOneRow func(p base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalMaxOneRow will be called by LogicalMaxOneRow in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalPartitionUnionAll func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalPartitionUnionAll will be called by LogicalPartitionUnionAll in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalProjection func(lp base.LogicalPlan,
	prop *property.PhysicalProperty) ([]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalProjection will be called by LogicalLimit in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalSelection func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalSelection will be called by LogicalSelection in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalSequence func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalSequence will be called by LogicalSequence in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalSort func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalSort will be called by LogicalSort in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalTopN func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalTopN will be called by LogicalTopN in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalUnionAll func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalUnionAll will be called by LogicalUnionAll in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalUnionScan func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalUnionScan will be called by LogicalUnionScan in logicalOp pkg.

var ExhaustPhysicalPlans4LogicalWindow func(lp base.LogicalPlan, prop *property.PhysicalProperty) (
	[]base.PhysicalPlan, bool, error)

ExhaustPhysicalPlans4LogicalWindow will be called by LogicalWindow in logicalOp pkg.

var FindBestTask4BaseLogicalPlan func(p base.LogicalPlan, prop *property.PhysicalProperty,
	planCounter *base.PlanCounterTp, opt *optimizetrace.PhysicalOptimizeOp) (
	bestTask base.Task, cntPlan int64, err error)

FindBestTask4BaseLogicalPlan will be called by baseLogicalPlan in logicalOp pkg. The logic inside covers Task, Property, LogicalOp and PhysicalOp, so it doesn't belong to logicalOp pkg. It should be kept in core pkg. todo: arenatlx, For clear division, we should remove Logical FindBestTask interface. Let core pkg to guide itself by receive logical tree.

var FindBestTask4LogicalCTE func(lp base.LogicalPlan, prop *property.PhysicalProperty,
	counter *base.PlanCounterTp, pop *optimizetrace.PhysicalOptimizeOp) (t base.Task, cntPlan int64, err error)

FindBestTask4LogicalCTE will be called by LogicalCTE in logicalOp pkg.

var FindBestTask4LogicalCTETable func(lp base.LogicalPlan, prop *property.PhysicalProperty, _ *base.PlanCounterTp,
	_ *optimizetrace.PhysicalOptimizeOp) (t base.Task, cntPlan int64, err error)

FindBestTask4LogicalCTETable will be called by LogicalCTETable in logicalOp pkg.

var FindBestTask4LogicalDataSource func(lp base.LogicalPlan, prop *property.PhysicalProperty,
	planCounter *base.PlanCounterTp, opt *optimizetrace.PhysicalOptimizeOp) (t base.Task, cntPlan int64, err error)

FindBestTask4LogicalDataSource will be called by LogicalDataSource in logicalOp pkg.

var FindBestTask4LogicalMemTable func(lp base.LogicalPlan, prop *property.PhysicalProperty,
	planCounter *base.PlanCounterTp, opt *optimizetrace.PhysicalOptimizeOp) (t base.Task,
	cntPlan int64, err error)

FindBestTask4LogicalMemTable will be called by LogicalMemTable in logicalOp pkg.

var FindBestTask4LogicalShow func(lp base.LogicalPlan, prop *property.PhysicalProperty, planCounter *base.PlanCounterTp,
	_ *optimizetrace.PhysicalOptimizeOp) (base.Task, int64, error)

FindBestTask4LogicalShow will be called by LogicalShow in logicalOp pkg.

var FindBestTask4LogicalShowDDLJobs func(lp base.LogicalPlan, prop *property.PhysicalProperty,
	planCounter *base.PlanCounterTp, _ *optimizetrace.PhysicalOptimizeOp) (base.Task, int64, error)

FindBestTask4LogicalShowDDLJobs will be called by LogicalShowDDLJobs in logicalOp pkg.

var FindBestTask4LogicalTableDual func(lp base.LogicalPlan, prop *property.PhysicalProperty,
	planCounter *base.PlanCounterTp, opt *optimizetrace.PhysicalOptimizeOp) (base.Task, int64, error)

FindBestTask4LogicalTableDual will be called by LogicalTableDual in logicalOp pkg.

var GetActualProbeCntFromProbeParents func(pps []base.PhysicalPlan, statsColl *execdetails.RuntimeStatsColl) int64

GetActualProbeCntFromProbeParents will be called by BasePhysicalPlan in physicalOp pkg.

var GetEstimatedProbeCntFromProbeParents func(probeParents []base.PhysicalPlan) float64

GetEstimatedProbeCntFromProbeParents will be called by BasePhysicalPlan in physicalOp pkg.

var IsSingleScan func(ds base.LogicalPlan, indexColumns []*expression.Column, idxColLens []int) bool

IsSingleScan check whether the data source is a single scan.

var WindowIsTopN func(p base.LogicalPlan) (bool, uint64)

WindowIsTopN is used in DeriveTopNFromWindow rule. todo: @arenatlx: remove it after logical_datasource is migrated to logicalop.