implementation

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 Go to latest Published: Dec 19, 2024 License: Apache-2.0 Imports: 8 Imported by: 0

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Constants

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Variables

This section is empty.

Functions

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Types

type ApplyImpl 

type ApplyImpl struct {
	// contains filtered or unexported fields
}

ApplyImpl is the implementation of PhysicalApply.

func NewApplyImpl 

func NewApplyImpl(apply *plannercore.PhysicalApply) *ApplyImpl

NewApplyImpl creates a new ApplyImpl.

func (*ApplyImpl) AttachChildren 

func (impl *ApplyImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*ApplyImpl) CalcCost 

func (impl *ApplyImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*ApplyImpl) GetCost 

func (impl *ApplyImpl) GetCost() float64

func (*ApplyImpl) GetCostLimit 

func (impl *ApplyImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

GetCostLimit implements Implementation GetCostLimit interface.

func (*ApplyImpl) GetPlan 

func (impl *ApplyImpl) GetPlan() plannercore.PhysicalPlan

func (*ApplyImpl) ScaleCostLimit 

func (*ApplyImpl) ScaleCostLimit(costLimit float64) float64

func (*ApplyImpl) SetCost 

func (impl *ApplyImpl) SetCost(cost float64)

type HashJoinImpl 

type HashJoinImpl struct {
	// contains filtered or unexported fields
}

HashJoinImpl is the implementation for PhysicalHashJoin.

func NewHashJoinImpl 

func NewHashJoinImpl(hashJoin *plannercore.PhysicalHashJoin) *HashJoinImpl

NewHashJoinImpl creates a new HashJoinImpl.

func (*HashJoinImpl) AttachChildren 

func (impl *HashJoinImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

AttachChildren implements Implementation AttachChildren interface.

func (*HashJoinImpl) CalcCost 

func (impl *HashJoinImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*HashJoinImpl) GetCost 

func (impl *HashJoinImpl) GetCost() float64

func (*HashJoinImpl) GetCostLimit 

func (*HashJoinImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*HashJoinImpl) GetPlan 

func (impl *HashJoinImpl) GetPlan() plannercore.PhysicalPlan

func (*HashJoinImpl) ScaleCostLimit 

func (*HashJoinImpl) ScaleCostLimit(costLimit float64) float64

func (*HashJoinImpl) SetCost 

func (impl *HashJoinImpl) SetCost(cost float64)

type IndexReaderImpl 

type IndexReaderImpl struct {
	// contains filtered or unexported fields
}

IndexReaderImpl is the implementation of PhysicalIndexReader.

func NewIndexReaderImpl 

func NewIndexReaderImpl(reader *plannercore.PhysicalIndexReader, source *plannercore.DataSource) *IndexReaderImpl

NewIndexReaderImpl creates a new IndexReader Implementation.

func (*IndexReaderImpl) AttachChildren 

func (impl *IndexReaderImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*IndexReaderImpl) CalcCost 

func (impl *IndexReaderImpl) CalcCost(outCount float64, children ...memo.Implementation) float64

CalcCost implements Implementation interface.

func (*IndexReaderImpl) GetCost 

func (impl *IndexReaderImpl) GetCost() float64

func (*IndexReaderImpl) GetCostLimit 

func (impl *IndexReaderImpl) GetCostLimit(costLimit float64, _ ...memo.Implementation) float64

GetCostLimit implements Implementation interface.

func (*IndexReaderImpl) GetPlan 

func (impl *IndexReaderImpl) GetPlan() plannercore.PhysicalPlan

func (*IndexReaderImpl) ScaleCostLimit 

func (*IndexReaderImpl) ScaleCostLimit(costLimit float64) float64

func (*IndexReaderImpl) SetCost 

func (impl *IndexReaderImpl) SetCost(cost float64)

type IndexScanImpl 

type IndexScanImpl struct {
	// contains filtered or unexported fields
}

IndexScanImpl is the Implementation of PhysicalIndexScan.

func NewIndexScanImpl 

func NewIndexScanImpl(scan *plannercore.PhysicalIndexScan, tblColHists *statistics.HistColl) *IndexScanImpl

NewIndexScanImpl creates a new IndexScan Implementation.

func (*IndexScanImpl) AttachChildren 

func (impl *IndexScanImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*IndexScanImpl) CalcCost 

func (impl *IndexScanImpl) CalcCost(outCount float64, _ ...memo.Implementation) float64

CalcCost implements Implementation interface.

func (*IndexScanImpl) GetCost 

func (impl *IndexScanImpl) GetCost() float64

func (*IndexScanImpl) GetCostLimit 

func (*IndexScanImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*IndexScanImpl) GetPlan 

func (impl *IndexScanImpl) GetPlan() plannercore.PhysicalPlan

func (*IndexScanImpl) ScaleCostLimit 

func (*IndexScanImpl) ScaleCostLimit(costLimit float64) float64

func (*IndexScanImpl) SetCost 

func (impl *IndexScanImpl) SetCost(cost float64)

type LimitImpl 

type LimitImpl struct {
	// contains filtered or unexported fields
}

LimitImpl is the implementation of PhysicalLimit. Since PhysicalLimit on different engines have the same behavior, and we don't calculate the cost of `Limit`, we only have one Implementation for it.

func NewLimitImpl 

func NewLimitImpl(limit *plannercore.PhysicalLimit) *LimitImpl

NewLimitImpl creates a new LimitImpl.

func (*LimitImpl) AttachChildren 

func (impl *LimitImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*LimitImpl) CalcCost 

func (impl *LimitImpl) CalcCost(_ float64, children ...memo.Implementation) float64

func (*LimitImpl) GetCost 

func (impl *LimitImpl) GetCost() float64

func (*LimitImpl) GetCostLimit 

func (*LimitImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*LimitImpl) GetPlan 

func (impl *LimitImpl) GetPlan() plannercore.PhysicalPlan

func (*LimitImpl) ScaleCostLimit 

func (*LimitImpl) ScaleCostLimit(costLimit float64) float64

func (*LimitImpl) SetCost 

func (impl *LimitImpl) SetCost(cost float64)

type MaxOneRowImpl 

type MaxOneRowImpl struct {
	// contains filtered or unexported fields
}

MaxOneRowImpl is the implementation of PhysicalApply.

func NewMaxOneRowImpl 

func NewMaxOneRowImpl(maxOneRow *plannercore.PhysicalMaxOneRow) *MaxOneRowImpl

NewMaxOneRowImpl creates a new MaxOneRowImpl.

func (*MaxOneRowImpl) AttachChildren 

func (impl *MaxOneRowImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*MaxOneRowImpl) CalcCost 

func (impl *MaxOneRowImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*MaxOneRowImpl) GetCost 

func (impl *MaxOneRowImpl) GetCost() float64

func (*MaxOneRowImpl) GetCostLimit 

func (*MaxOneRowImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*MaxOneRowImpl) GetPlan 

func (impl *MaxOneRowImpl) GetPlan() plannercore.PhysicalPlan

func (*MaxOneRowImpl) ScaleCostLimit 

func (*MaxOneRowImpl) ScaleCostLimit(costLimit float64) float64

func (*MaxOneRowImpl) SetCost 

func (impl *MaxOneRowImpl) SetCost(cost float64)

type MemTableScanImpl 

type MemTableScanImpl struct {
	// contains filtered or unexported fields
}

MemTableScanImpl implementation of PhysicalTableDual.

func NewMemTableScanImpl 

func NewMemTableScanImpl(dual *plannercore.PhysicalMemTable) *MemTableScanImpl

NewMemTableScanImpl creates a new table dual Implementation.

func (*MemTableScanImpl) AttachChildren 

func (impl *MemTableScanImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*MemTableScanImpl) CalcCost 

func (*MemTableScanImpl) CalcCost(_ float64, _ ...memo.Implementation) float64

CalcCost calculates the cost of the table dual Implementation.

func (*MemTableScanImpl) GetCost 

func (impl *MemTableScanImpl) GetCost() float64

func (*MemTableScanImpl) GetCostLimit 

func (*MemTableScanImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*MemTableScanImpl) GetPlan 

func (impl *MemTableScanImpl) GetPlan() plannercore.PhysicalPlan

func (*MemTableScanImpl) ScaleCostLimit 

func (*MemTableScanImpl) ScaleCostLimit(costLimit float64) float64

func (*MemTableScanImpl) SetCost 

func (impl *MemTableScanImpl) SetCost(cost float64)

type MergeJoinImpl 

type MergeJoinImpl struct {
	// contains filtered or unexported fields
}

MergeJoinImpl is the implementation for PhysicalMergeJoin.

func NewMergeJoinImpl 

func NewMergeJoinImpl(mergeJoin *plannercore.PhysicalMergeJoin) *MergeJoinImpl

NewMergeJoinImpl creates a new MergeJoinImpl.

func (*MergeJoinImpl) AttachChildren 

func (impl *MergeJoinImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

AttachChildren implements Implementation AttachChildren interface.

func (*MergeJoinImpl) CalcCost 

func (impl *MergeJoinImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*MergeJoinImpl) GetCost 

func (impl *MergeJoinImpl) GetCost() float64

func (*MergeJoinImpl) GetCostLimit 

func (*MergeJoinImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*MergeJoinImpl) GetPlan 

func (impl *MergeJoinImpl) GetPlan() plannercore.PhysicalPlan

func (*MergeJoinImpl) ScaleCostLimit 

func (*MergeJoinImpl) ScaleCostLimit(costLimit float64) float64

func (*MergeJoinImpl) SetCost 

func (impl *MergeJoinImpl) SetCost(cost float64)

type NominalSortImpl 

type NominalSortImpl struct {
	// contains filtered or unexported fields
}

NominalSortImpl is the implementation of NominalSort.

func NewNominalSortImpl 

func NewNominalSortImpl(sort *plannercore.NominalSort) *NominalSortImpl

NewNominalSortImpl creates a new NominalSort Implementation.

func (*NominalSortImpl) AttachChildren 

func (*NominalSortImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

AttachChildren implements Implementation AttachChildren interface.

func (*NominalSortImpl) CalcCost 

func (impl *NominalSortImpl) CalcCost(_ float64, children ...memo.Implementation) float64

func (*NominalSortImpl) GetCost 

func (impl *NominalSortImpl) GetCost() float64

func (*NominalSortImpl) GetCostLimit 

func (*NominalSortImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*NominalSortImpl) GetPlan 

func (impl *NominalSortImpl) GetPlan() plannercore.PhysicalPlan

func (*NominalSortImpl) ScaleCostLimit 

func (*NominalSortImpl) ScaleCostLimit(costLimit float64) float64

func (*NominalSortImpl) SetCost 

func (impl *NominalSortImpl) SetCost(cost float64)

type ProjectionImpl 

type ProjectionImpl struct {
	// contains filtered or unexported fields
}

ProjectionImpl is the implementation of PhysicalProjection.

func NewProjectionImpl 

func NewProjectionImpl(proj *plannercore.PhysicalProjection) *ProjectionImpl

NewProjectionImpl creates a new projection Implementation.

func (*ProjectionImpl) AttachChildren 

func (impl *ProjectionImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*ProjectionImpl) CalcCost 

func (impl *ProjectionImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*ProjectionImpl) GetCost 

func (impl *ProjectionImpl) GetCost() float64

func (*ProjectionImpl) GetCostLimit 

func (*ProjectionImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*ProjectionImpl) GetPlan 

func (impl *ProjectionImpl) GetPlan() plannercore.PhysicalPlan

func (*ProjectionImpl) ScaleCostLimit 

func (*ProjectionImpl) ScaleCostLimit(costLimit float64) float64

func (*ProjectionImpl) SetCost 

func (impl *ProjectionImpl) SetCost(cost float64)

type ShowImpl 

type ShowImpl struct {
	// contains filtered or unexported fields
}

ShowImpl is the Implementation of PhysicalShow.

func NewShowImpl 

func NewShowImpl(show *plannercore.PhysicalShow) *ShowImpl

NewShowImpl creates a new ShowImpl.

func (*ShowImpl) AttachChildren 

func (impl *ShowImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*ShowImpl) CalcCost 

func (impl *ShowImpl) CalcCost(_ float64, children ...memo.Implementation) float64

func (*ShowImpl) GetCost 

func (impl *ShowImpl) GetCost() float64

func (*ShowImpl) GetCostLimit 

func (*ShowImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*ShowImpl) GetPlan 

func (impl *ShowImpl) GetPlan() plannercore.PhysicalPlan

func (*ShowImpl) ScaleCostLimit 

func (*ShowImpl) ScaleCostLimit(costLimit float64) float64

func (*ShowImpl) SetCost 

func (impl *ShowImpl) SetCost(cost float64)

type SortImpl 

type SortImpl struct {
	// contains filtered or unexported fields
}

SortImpl implementation of PhysicalSort.

func NewSortImpl 

func NewSortImpl(sort *plannercore.PhysicalSort) *SortImpl

NewSortImpl creates a new sort Implementation.

func (*SortImpl) AttachChildren 

func (impl *SortImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

AttachChildren implements Implementation AttachChildren interface.

func (*SortImpl) CalcCost 

func (impl *SortImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost calculates the cost of the sort Implementation.

func (*SortImpl) GetCost 

func (impl *SortImpl) GetCost() float64

func (*SortImpl) GetCostLimit 

func (*SortImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*SortImpl) GetPlan 

func (impl *SortImpl) GetPlan() plannercore.PhysicalPlan

func (*SortImpl) ScaleCostLimit 

func (*SortImpl) ScaleCostLimit(costLimit float64) float64

func (*SortImpl) SetCost 

func (impl *SortImpl) SetCost(cost float64)

type TableDualImpl 

type TableDualImpl struct {
	// contains filtered or unexported fields
}

TableDualImpl implementation of PhysicalTableDual.

func NewTableDualImpl 

func NewTableDualImpl(dual *plannercore.PhysicalTableDual) *TableDualImpl

NewTableDualImpl creates a new table dual Implementation.

func (*TableDualImpl) AttachChildren 

func (impl *TableDualImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*TableDualImpl) CalcCost 

func (*TableDualImpl) CalcCost(_ float64, _ ...memo.Implementation) float64

CalcCost calculates the cost of the table dual Implementation.

func (*TableDualImpl) GetCost 

func (impl *TableDualImpl) GetCost() float64

func (*TableDualImpl) GetCostLimit 

func (*TableDualImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*TableDualImpl) GetPlan 

func (impl *TableDualImpl) GetPlan() plannercore.PhysicalPlan

func (*TableDualImpl) ScaleCostLimit 

func (*TableDualImpl) ScaleCostLimit(costLimit float64) float64

func (*TableDualImpl) SetCost 

func (impl *TableDualImpl) SetCost(cost float64)

type TableReaderImpl 

type TableReaderImpl struct {
	// contains filtered or unexported fields
}

TableReaderImpl implementation of PhysicalTableReader.

func NewTableReaderImpl 

func NewTableReaderImpl(reader *plannercore.PhysicalTableReader, source *plannercore.DataSource) *TableReaderImpl

NewTableReaderImpl creates a new table reader Implementation.

func (*TableReaderImpl) AttachChildren 

func (impl *TableReaderImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*TableReaderImpl) CalcCost 

func (impl *TableReaderImpl) CalcCost(outCount float64, children ...memo.Implementation) float64

CalcCost calculates the cost of the table reader Implementation.

func (*TableReaderImpl) GetCost 

func (impl *TableReaderImpl) GetCost() float64

func (*TableReaderImpl) GetCostLimit 

func (impl *TableReaderImpl) GetCostLimit(costLimit float64, _ ...memo.Implementation) float64

GetCostLimit implements Implementation interface.

func (*TableReaderImpl) GetPlan 

func (impl *TableReaderImpl) GetPlan() plannercore.PhysicalPlan

func (*TableReaderImpl) ScaleCostLimit 

func (*TableReaderImpl) ScaleCostLimit(costLimit float64) float64

func (*TableReaderImpl) SetCost 

func (impl *TableReaderImpl) SetCost(cost float64)

type TableScanImpl 

type TableScanImpl struct {
	// contains filtered or unexported fields
}

TableScanImpl implementation of PhysicalTableScan.

func NewTableScanImpl 

func NewTableScanImpl(ts *plannercore.PhysicalTableScan, cols []*expression.Column,
	hists *statistics.HistColl) *TableScanImpl

NewTableScanImpl creates a new table scan Implementation.

func (*TableScanImpl) AttachChildren 

func (impl *TableScanImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*TableScanImpl) CalcCost 

func (impl *TableScanImpl) CalcCost(outCount float64, _ ...memo.Implementation) float64

CalcCost calculates the cost of the table scan Implementation.

func (*TableScanImpl) GetCost 

func (impl *TableScanImpl) GetCost() float64

func (*TableScanImpl) GetCostLimit 

func (*TableScanImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*TableScanImpl) GetPlan 

func (impl *TableScanImpl) GetPlan() plannercore.PhysicalPlan

func (*TableScanImpl) ScaleCostLimit 

func (*TableScanImpl) ScaleCostLimit(costLimit float64) float64

func (*TableScanImpl) SetCost 

func (impl *TableScanImpl) SetCost(cost float64)

type TiDBHashAggImpl 

type TiDBHashAggImpl struct {
	// contains filtered or unexported fields
}

TiDBHashAggImpl is the implementation of PhysicalHashAgg in TiDB layer.

func NewTiDBHashAggImpl 

func NewTiDBHashAggImpl(agg *plannercore.PhysicalHashAgg) *TiDBHashAggImpl

NewTiDBHashAggImpl creates a new TiDBHashAggImpl.

func (*TiDBHashAggImpl) AttachChildren 

func (agg *TiDBHashAggImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

AttachChildren implements Implementation AttachChildren interface.

func (*TiDBHashAggImpl) CalcCost 

func (agg *TiDBHashAggImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*TiDBHashAggImpl) GetCost 

func (impl *TiDBHashAggImpl) GetCost() float64

func (*TiDBHashAggImpl) GetCostLimit 

func (*TiDBHashAggImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*TiDBHashAggImpl) GetPlan 

func (impl *TiDBHashAggImpl) GetPlan() plannercore.PhysicalPlan

func (*TiDBHashAggImpl) ScaleCostLimit 

func (*TiDBHashAggImpl) ScaleCostLimit(costLimit float64) float64

func (*TiDBHashAggImpl) SetCost 

func (impl *TiDBHashAggImpl) SetCost(cost float64)

type TiDBSelectionImpl 

type TiDBSelectionImpl struct {
	// contains filtered or unexported fields
}

TiDBSelectionImpl is the implementation of PhysicalSelection in TiDB layer.

func NewTiDBSelectionImpl 

func NewTiDBSelectionImpl(sel *plannercore.PhysicalSelection) *TiDBSelectionImpl

NewTiDBSelectionImpl creates a new TiDBSelectionImpl.

func (*TiDBSelectionImpl) AttachChildren 

func (impl *TiDBSelectionImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*TiDBSelectionImpl) CalcCost 

func (sel *TiDBSelectionImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*TiDBSelectionImpl) GetCost 

func (impl *TiDBSelectionImpl) GetCost() float64

func (*TiDBSelectionImpl) GetCostLimit 

func (*TiDBSelectionImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*TiDBSelectionImpl) GetPlan 

func (impl *TiDBSelectionImpl) GetPlan() plannercore.PhysicalPlan

func (*TiDBSelectionImpl) ScaleCostLimit 

func (*TiDBSelectionImpl) ScaleCostLimit(costLimit float64) float64

func (*TiDBSelectionImpl) SetCost 

func (impl *TiDBSelectionImpl) SetCost(cost float64)

type TiDBTopNImpl 

type TiDBTopNImpl struct {
	// contains filtered or unexported fields
}

TiDBTopNImpl is the implementation of PhysicalTopN in TiDB layer.

func NewTiDBTopNImpl 

func NewTiDBTopNImpl(topN *plannercore.PhysicalTopN) *TiDBTopNImpl

NewTiDBTopNImpl creates a new TiDBTopNImpl.

func (*TiDBTopNImpl) AttachChildren 

func (impl *TiDBTopNImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*TiDBTopNImpl) CalcCost 

func (impl *TiDBTopNImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*TiDBTopNImpl) GetCost 

func (impl *TiDBTopNImpl) GetCost() float64

func (*TiDBTopNImpl) GetCostLimit 

func (*TiDBTopNImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*TiDBTopNImpl) GetPlan 

func (impl *TiDBTopNImpl) GetPlan() plannercore.PhysicalPlan

func (*TiDBTopNImpl) ScaleCostLimit 

func (*TiDBTopNImpl) ScaleCostLimit(costLimit float64) float64

func (*TiDBTopNImpl) SetCost 

func (impl *TiDBTopNImpl) SetCost(cost float64)

type TiKVHashAggImpl 

type TiKVHashAggImpl struct {
	// contains filtered or unexported fields
}

TiKVHashAggImpl is the implementation of PhysicalHashAgg in TiKV layer.

func NewTiKVHashAggImpl 

func NewTiKVHashAggImpl(agg *plannercore.PhysicalHashAgg) *TiKVHashAggImpl

NewTiKVHashAggImpl creates a new TiKVHashAggImpl.

func (*TiKVHashAggImpl) AttachChildren 

func (impl *TiKVHashAggImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*TiKVHashAggImpl) CalcCost 

func (agg *TiKVHashAggImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*TiKVHashAggImpl) GetCost 

func (impl *TiKVHashAggImpl) GetCost() float64

func (*TiKVHashAggImpl) GetCostLimit 

func (*TiKVHashAggImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*TiKVHashAggImpl) GetPlan 

func (impl *TiKVHashAggImpl) GetPlan() plannercore.PhysicalPlan

func (*TiKVHashAggImpl) ScaleCostLimit 

func (*TiKVHashAggImpl) ScaleCostLimit(costLimit float64) float64

func (*TiKVHashAggImpl) SetCost 

func (impl *TiKVHashAggImpl) SetCost(cost float64)

type TiKVSelectionImpl 

type TiKVSelectionImpl struct {
	// contains filtered or unexported fields
}

TiKVSelectionImpl is the implementation of PhysicalSelection in TiKV layer.

func NewTiKVSelectionImpl 

func NewTiKVSelectionImpl(sel *plannercore.PhysicalSelection) *TiKVSelectionImpl

NewTiKVSelectionImpl creates a new TiKVSelectionImpl.

func (*TiKVSelectionImpl) AttachChildren 

func (impl *TiKVSelectionImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*TiKVSelectionImpl) CalcCost 

func (sel *TiKVSelectionImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*TiKVSelectionImpl) GetCost 

func (impl *TiKVSelectionImpl) GetCost() float64

func (*TiKVSelectionImpl) GetCostLimit 

func (*TiKVSelectionImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*TiKVSelectionImpl) GetPlan 

func (impl *TiKVSelectionImpl) GetPlan() plannercore.PhysicalPlan

func (*TiKVSelectionImpl) ScaleCostLimit 

func (*TiKVSelectionImpl) ScaleCostLimit(costLimit float64) float64

func (*TiKVSelectionImpl) SetCost 

func (impl *TiKVSelectionImpl) SetCost(cost float64)

type TiKVTopNImpl 

type TiKVTopNImpl struct {
	// contains filtered or unexported fields
}

TiKVTopNImpl is the implementation of PhysicalTopN in TiKV layer.

func NewTiKVTopNImpl 

func NewTiKVTopNImpl(topN *plannercore.PhysicalTopN) *TiKVTopNImpl

NewTiKVTopNImpl creates a new TiKVTopNImpl.

func (*TiKVTopNImpl) AttachChildren 

func (impl *TiKVTopNImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*TiKVTopNImpl) CalcCost 

func (impl *TiKVTopNImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*TiKVTopNImpl) GetCost 

func (impl *TiKVTopNImpl) GetCost() float64

func (*TiKVTopNImpl) GetCostLimit 

func (*TiKVTopNImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*TiKVTopNImpl) GetPlan 

func (impl *TiKVTopNImpl) GetPlan() plannercore.PhysicalPlan

func (*TiKVTopNImpl) ScaleCostLimit 

func (*TiKVTopNImpl) ScaleCostLimit(costLimit float64) float64

func (*TiKVTopNImpl) SetCost 

func (impl *TiKVTopNImpl) SetCost(cost float64)

type UnionAllImpl 

type UnionAllImpl struct {
	// contains filtered or unexported fields
}

UnionAllImpl is the implementation of PhysicalUnionAll.

func NewUnionAllImpl 

func NewUnionAllImpl(union *plannercore.PhysicalUnionAll) *UnionAllImpl

NewUnionAllImpl creates a new UnionAllImpl.

func (*UnionAllImpl) AttachChildren 

func (impl *UnionAllImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*UnionAllImpl) CalcCost 

func (impl *UnionAllImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*UnionAllImpl) GetCost 

func (impl *UnionAllImpl) GetCost() float64

func (*UnionAllImpl) GetCostLimit 

func (*UnionAllImpl) GetCostLimit(costLimit float64, _ ...memo.Implementation) float64

GetCostLimit implements Implementation interface.

func (*UnionAllImpl) GetPlan 

func (impl *UnionAllImpl) GetPlan() plannercore.PhysicalPlan

func (*UnionAllImpl) ScaleCostLimit 

func (*UnionAllImpl) ScaleCostLimit(costLimit float64) float64

func (*UnionAllImpl) SetCost 

func (impl *UnionAllImpl) SetCost(cost float64)

type WindowImpl 

type WindowImpl struct {
	// contains filtered or unexported fields
}

WindowImpl is the implementation of PhysicalWindow.

func NewWindowImpl 

func NewWindowImpl(window *plannercore.PhysicalWindow) *WindowImpl

NewWindowImpl creates a new WindowImpl.

func (*WindowImpl) AttachChildren 

func (impl *WindowImpl) AttachChildren(children ...memo.Implementation) memo.Implementation

func (*WindowImpl) CalcCost 

func (impl *WindowImpl) CalcCost(_ float64, children ...memo.Implementation) float64

CalcCost implements Implementation CalcCost interface.

func (*WindowImpl) GetCost 

func (impl *WindowImpl) GetCost() float64

func (*WindowImpl) GetCostLimit 

func (*WindowImpl) GetCostLimit(costLimit float64, children ...memo.Implementation) float64

func (*WindowImpl) GetPlan 

func (impl *WindowImpl) GetPlan() plannercore.PhysicalPlan

func (*WindowImpl) ScaleCostLimit 

func (*WindowImpl) ScaleCostLimit(costLimit float64) float64

func (*WindowImpl) SetCost 

func (impl *WindowImpl) SetCost(cost float64)

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