On Wed, 2005-07-13 at 04:13, Aaron Bingham wrote: > Hello, > > I've got an interesting problem: I need to select all possible values > of an attribute that do /not/ occur in the database. > > This would be easy (in my case at least) if there were a way to > generate a table containing all integers between 1 and n, where n is > the result of a subquery. In my case, n will be at most a few > hundred. I would like to be able to generate this table as a > subquery. Any ideas?
Take a look here: http://www.postgresql.org/docs/8.0/interactive/functions-srf.html specifically, the generate_series() function. ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly