Re: clear function cache (WAS: SQL function inlining) - Mailing list pgsql-performance

From Alvaro Herrera
Subject Re: clear function cache (WAS: SQL function inlining)
Date
Msg-id 20050324134240.GD20726@dcc.uchile.cl
Whole thread Raw
In response to clear function cache (WAS: SQL function inlining)  (Enrico Weigelt <weigelt@metux.de>)
Responses Re: clear function cache (WAS: SQL function inlining)  (Enrico Weigelt <weigelt@metux.de>)
List pgsql-performance
On Thu, Mar 24, 2005 at 02:32:48PM +0100, Enrico Weigelt wrote:

> BTW: is it possible to explicitly clear the cache for immutable
> functions ?

What cache?  There is no caching of function results.

> I'd like to use immutable functions for really often lookups like
> fetching a username by uid and vice versa. The queried tables
> change very rarely, but when they change is quite unpredictable.

Maybe you should use a stable function if you fear we'll having function
result caching without you noticing.

--
Alvaro Herrera (<alvherre[@]dcc.uchile.cl>)
"Aprende a avergonzarte más ante ti que ante los demás" (Demócrito)

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