Re: "iscachable" functions - Mailing list pgsql-general

From Eric B.Ridge
Subject Re: "iscachable" functions
Date
Msg-id 6049EECC-4066-11D7-9576-0003937E3354@tcdi.com
Whole thread Raw
In response to Re: "iscachable" functions  (Jeff Eckermann <jeff_eckermann@yahoo.com>)
List pgsql-general
On Friday, February 14, 2003, at 04:38  PM, Jeff Eckermann wrote:
> --- "Eric B.Ridge" <ebr@tcdi.com> wrote:

<snip>

>> But where is this cache?  Is it per backend
>> connection, or is it shared
>> among all backends?  Also, is there a way to
>> invalidate this cache or
>> otherwise expire the values?
>>
> There isn't any cache: the choice of name is
> misleading.  "iscachable" means nothing more than the
> docs quote says.  The usefulness of it lies in being
> able to index the return value of the function.

thanks!  I was trying to read too much into the docs.

eric


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