rule

Documentation

Index

• func GetConstantValue(vec *vector.Vector, transAll bool, row uint64) *plan.Literal
• func IsConstant(e *plan.Expr, varAndParamIsConst bool) bool
• type ConstantFold
  • func NewConstantFold(isPrepared bool) *ConstantFold
  • func (r *ConstantFold) Apply(n *plan.Node, _ *plan.Query, proc *process.Process)
  • func (r *ConstantFold) GetBatch() *batch.Batch
  • 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

Functions

func GetConstantValue

func GetConstantValue(vec *vector.Vector, transAll bool, row uint64) *plan.Literal

func IsConstant

func IsConstant(e *plan.Expr, varAndParamIsConst bool) bool

Types

type ConstantFold

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

func NewConstantFold

func NewConstantFold(isPrepared bool) *ConstantFold

func (*ConstantFold) Apply

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

func (*ConstantFold) GetBatch

func (r *ConstantFold) GetBatch() *batch.Batch

func (*ConstantFold) Match

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

Match 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