On Fri, 20 Feb 2004, Bill Moran wrote: > I'm converting a SQL application to PostgreSQL. The majority of the logic > in this application is in the stored functions in the database. > > Somewhere, I saw a reference to "WITH (iscachable)" for stored functions, > looking again, I'm unable to find any reference to this directive. I have > a single function that is _obviously_ safe to cache using this, and it > generates no errors or problems that I can see.
Advertising
It's been basically superceded by IMMUTABLE, and I believe they're described in the create function reference page. Note that it doesn't involve caching as much as the fact that it can be evaluated once and treated as a constant. ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
