rule

Documentation

Index

• type ConstantFold
  • func NewConstantFlod() *ConstantFold
  • func (r *ConstantFold) Apply(n *plan.Node, _ *plan.Query)
  • func (r *ConstantFold) Match(n *plan.Node) bool
• type PredicatePushdown
  • func NewPredicatePushdown() *PredicatePushdown
  • func (r *PredicatePushdown) Apply(n *plan.Node, qry *plan.Query)
  • func (r *PredicatePushdown) Match(n *plan.Node) bool

Types

type ConstantFold

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

func NewConstantFlod

func NewConstantFlod() *ConstantFold

func (*ConstantFold) Apply

func (r *ConstantFold) Apply(n *plan.Node, _ *plan.Query)

func (*ConstantFold) Match

func (r *ConstantFold) Match(n *plan.Node) bool

always true

type PredicatePushdown

type PredicatePushdown struct {
}

func NewPredicatePushdown

func NewPredicatePushdown() *PredicatePushdown

func (*PredicatePushdown) Apply

func (r *PredicatePushdown) Apply(n *plan.Node, qry *plan.Query)

func (*PredicatePushdown) Match

func (r *PredicatePushdown) Match(n *plan.Node) bool