Method SignatureWithDefaults

pkg/sql/sem/tree/overload.go:380–393

SignatureWithDefaults is the same as Signature but also allows specifying whether DEFAULT expressions should be included.

(simplify bool, includeDefaults bool)

// SignatureWithDefaults is the same as Signature but also allows specifying
// whether DEFAULT expressions should be included.
func (b Overload) SignatureWithDefaults(simplify bool, includeDefaults bool) string {
	retType := b.FixedReturnType()
	if simplify {
		if retType.Family() == types.TupleFamily && len(retType.TupleContents()) == 1 {
			retType = retType.TupleContents()[0]
		}
	}
	t, ok := b.Types.(ParamTypes)
	if !includeDefaults || len(b.DefaultExprs) == 0 || !ok {
		return fmt.Sprintf("(%s) -> %s", b.Types.String(), retType)
	}
	return fmt.Sprintf("(%s) -> %s", t.StringWithDefaultExprs(b.DefaultExprs), retType)

}

// overloadImpl is an implementation of an overloaded function. It provides
// access to the parameter type list and the return type of the implementation.