driver

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Index

• type ParamMarkerExpr
  • func (n *ParamMarkerExpr) Accept(v ast.Visitor) (ast.Node, bool)
  • func (n *ParamMarkerExpr) Format(w io.Writer)
  • func (n *ParamMarkerExpr) Restore(ctx *format.RestoreCtx) error
  • func (n *ParamMarkerExpr) SetOrder(order int)
• type ValueExpr
  • func (n *ValueExpr) Accept(v ast.Visitor) (ast.Node, bool)
  • func (n *ValueExpr) Format(w io.Writer)
  • func (n *ValueExpr) GetDatumString() string
  • func (n *ValueExpr) GetProjectionOffset() int
  • func (n *ValueExpr) Restore(ctx *format.RestoreCtx) error
  • func (n *ValueExpr) SetProjectionOffset(offset int)

Types

type ParamMarkerExpr

type ParamMarkerExpr struct {
	ValueExpr
	Offset int
	Order  int
}

ParamMarkerExpr expression holds a place for another expression. Used in parsing prepare statement.

func (*ParamMarkerExpr) Accept

func (n *ParamMarkerExpr) Accept(v ast.Visitor) (ast.Node, bool)

Accept implements Node Accept interface.

func (*ParamMarkerExpr) Format

func (n *ParamMarkerExpr) Format(w io.Writer)

Format the ExprNode into a Writer.

func (*ParamMarkerExpr) Restore

func (n *ParamMarkerExpr) Restore(ctx *format.RestoreCtx) error

Restore implements Node interface.

func (*ParamMarkerExpr) SetOrder

func (n *ParamMarkerExpr) SetOrder(order int)

SetOrder implements the ast.ParamMarkerExpr interface.

type ValueExpr

type ValueExpr struct {
	ast.TexprNode
	types.Datum
	// contains filtered or unexported fields
}

ValueExpr is the simple value expression.

func (*ValueExpr) Accept

func (n *ValueExpr) Accept(v ast.Visitor) (ast.Node, bool)

Accept implements Node interface.

func (*ValueExpr) Format

func (n *ValueExpr) Format(w io.Writer)

Format the ExprNode into a Writer.

func (*ValueExpr) GetDatumString

func (n *ValueExpr) GetDatumString() string

GetDatumString implements the ast.ValueExpr interface.

func (*ValueExpr) GetProjectionOffset

func (n *ValueExpr) GetProjectionOffset() int

GetProjectionOffset returns ValueExpr.projectionOffset.

func (*ValueExpr) Restore

func (n *ValueExpr) Restore(ctx *format.RestoreCtx) error

Restore implements Node interface.

func (*ValueExpr) SetProjectionOffset

func (n *ValueExpr) SetProjectionOffset(offset int)

SetProjectionOffset sets ValueExpr.projectionOffset for logical plan builder.