Function NewTypedColumnAccessExpr

postgres/parser/sem/tree/expr.go:1684–1692

NewTypedColumnAccessExpr creates a pre-typed ColumnAccessExpr. A by-index ColumnAccessExpr can be specified by passing an empty string as colName.

(expr TypedExpr, colName string, colIdx int)

// NewTypedColumnAccessExpr creates a pre-typed ColumnAccessExpr.
// A by-index ColumnAccessExpr can be specified by passing an empty string as colName.
func NewTypedColumnAccessExpr(expr TypedExpr, colName string, colIdx int) *ColumnAccessExpr {
	return &ColumnAccessExpr{
		Expr:           expr,
		ColName:        colName,
		ByIndex:        colName == "",
		ColIndex:       colIdx,
		typeAnnotation: typeAnnotation{typ: expr.ResolvedType().TupleContents()[colIdx]},
	}
}

// Format implements the NodeFormatter interface.
func (node *ColumnAccessExpr) Format(ctx *FmtCtx) {