decorrelateapply

Documentation

Index

• type XFDeCorrelateApplyBase
  • func (*XFDeCorrelateApplyBase) PreCheck(applyGE base.LogicalPlan) bool
• type XFDeCorrelateSimpleApply
  • func NewXFDeCorrelateSimpleApply() *XFDeCorrelateSimpleApply
  • func (*XFDeCorrelateSimpleApply) ID() uint
  • func (*XFDeCorrelateSimpleApply) XForm(applyGE corebase.LogicalPlan) ([]corebase.LogicalPlan, bool, error)

Types

type XFDeCorrelateApplyBase

type XFDeCorrelateApplyBase struct {
	*rule.BaseRule
}

XFDeCorrelateApplyBase pull the correlated expression from projection as child of apply.

func (*XFDeCorrelateApplyBase) PreCheck

func (*XFDeCorrelateApplyBase) PreCheck(applyGE base.LogicalPlan) bool

PreCheck implements the Rule interface.

type XFDeCorrelateSimpleApply

type XFDeCorrelateSimpleApply struct {
	*XFDeCorrelateApplyBase
}

XFDeCorrelateSimpleApply pull the correlated expression from projection as child of apply.

func NewXFDeCorrelateSimpleApply

func NewXFDeCorrelateSimpleApply() *XFDeCorrelateSimpleApply

NewXFDeCorrelateSimpleApply creates a new XFDeCorrelateSimpleApply rule.

func (*XFDeCorrelateSimpleApply) ID

func (*XFDeCorrelateSimpleApply) ID() uint

ID implement the Rule interface.

func (*XFDeCorrelateSimpleApply) XForm

func (*XFDeCorrelateSimpleApply) XForm(applyGE corebase.LogicalPlan) ([]corebase.LogicalPlan, bool, error)

XForm implements the Rule interface.