Method Format

postgres/parser/sem/tree/expr.go:1059–1078

Format implements the NodeFormatter interface.

(ctx *FmtCtx)

// Format implements the NodeFormatter interface.
func (node *Subquery) Format(ctx *FmtCtx) {
	if ctx.HasFlags(FmtSymbolicSubqueries) {
		ctx.Printf("@S%d", node.Idx)
	} else {
		// Ensure that type printing is disabled during the recursion, as
		// the type annotations are not available in subqueries.
		ctx.WithFlags(ctx.flags & ^FmtShowTypes, func() {
			if node.Exists {
				ctx.WriteString("EXISTS ")
			}
			if node.Select == nil {
				// If the subquery is generated by the optimizer, we
				// don't have an actual statement.
				ctx.WriteString("<unknown>")
			} else {
				ctx.FormatNode(node.Select)
			}
		})
	}
}

// BinaryOperator represents a binary operator.
type BinaryOperator int