Nis Jørgensen wrote: > What if, for instance, I want to render a list of shapes? > > To render the shape, I need to get its data, to get its data, I need to > know what type it is. ISTM that the easiest way to achieve this is > storing the type info at the "top" of the table hierarchy. Try adding "tableoid" to the list of columns retrieved. Even better, cast that to regclass. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.