implementation

Documentation

Index

• type SortImpl
  • func NewSortImpl(sort *plannercore.PhysicalSort) *SortImpl
  • func (impl *SortImpl) CalcCost(outCount float64, childCosts []float64, children ...*memo.Group) float64
  • func (impl *SortImpl) GetCost() float64
  • func (impl *SortImpl) GetPlan() plannercore.PhysicalPlan
  • func (impl *SortImpl) SetCost(cost float64)

Types

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) CalcCost

func (impl *SortImpl) CalcCost(outCount float64, childCosts []float64, children ...*memo.Group) float64

CalcCost calculates the cost of the sort Implementation.

func (*SortImpl) GetCost

func (impl *SortImpl) GetCost() float64

func (*SortImpl) GetPlan

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

func (*SortImpl) SetCost

func (impl *SortImpl) SetCost(cost float64)