Re: [GENERAL] how much volatile is a function

2012-07-12 Thread Sergey Konoplev
On Thu, Jul 12, 2012 at 10:55 PM, Sergey Konoplev wrote: > On Thu, Jul 12, 2012 at 10:38 PM, Anibal David Acosta > wrote: >> Does postgres re run the query on each function call, or has some kind of >> “flag” indicating that table as not been changed and return cached result of >> a previous cal

Re: [GENERAL] how much volatile is a function

2012-07-12 Thread Sergey Konoplev
On Thu, Jul 12, 2012 at 10:38 PM, Anibal David Acosta wrote: > Does postgres re run the query on each function call, or has some kind of > “flag” indicating that table as not been changed and return cached result of > a previous call if the call has same parameters? It does re-run it on each call

Re: [GENERAL] how much volatile is a function

2012-07-12 Thread David Johnston
From: pgsql-general-ow...@postgresql.org [mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Anibal David Acosta Sent: Thursday, July 12, 2012 2:39 PM To: pgsql-general@postgresql.org Subject: [GENERAL] how much volatile is a function I have a table, this table are rarely changed (added or

[GENERAL] how much volatile is a function

2012-07-12 Thread Anibal David Acosta
I have a table, this table are rarely changed (added or deleted). My function receive parameters and do a query to the table. Does postgres re run the query on each function call, or has some kind of "flag" indicating that table as not been changed and return cached result of a previous call i