Method GetFunctionOverloads

core/functions/collection.go:90–100

GetFunctionOverloads returns the overloads for the function matching the schema and the function name. The parameter types are ignored when searching for overloads.

(ctx context.Context, funcID id.Function)

// GetFunctionOverloads returns the overloads for the function matching the schema and the function name. The parameter
// types are ignored when searching for overloads.
func (pgf *Collection) GetFunctionOverloads(ctx context.Context, funcID id.Function) ([]Function, error) {
	overloads, ok := pgf.overloadCache[id.NewFunction(funcID.SchemaName(), funcID.FunctionName())]
	if !ok || len(overloads) == 0 {
		return nil, nil
	}
	funcs := make([]Function, len(overloads))
	for i, overload := range overloads {
		funcs[i] = pgf.accessCache[overload]
	}
	return funcs, nil
}

// HasFunction returns whether the function is present.
func (pgf *Collection) HasFunction(ctx context.Context, funcID id.Function) bool {