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Re: "disappearing" rows in temp table, in recursing trigger

From: "Eric Worden" <worden(dot)eric(at)gmail(dot)com>
To: "Craig Ringer" <craig(at)postnewspapers(dot)com(dot)au>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: "disappearing" rows in temp table, in recursing trigger
Date: 2008-12-30 20:38:12
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general
Thank you this helped me fix it.  I moved the "create temporary
table..." statement to the outermost calling function and changed it
from STABLE to VOLATILE.  I'm not sure which change made the
difference -- I had to move the create table statement for an
additional reason.

On Sat, Dec 27, 2008 at 1:14 AM, Craig Ringer
<craig(at)postnewspapers(dot)com(dot)au> wrote:
> Eric Worden wrote:
>> The recursive function creates a temp table [...]  I
>> have version 8.1.10.
> While I haven't looked in detail, I'd be surprised if this wasn't an
> issue with pre-8.3 versions lack of any way to automatically re-generate
> cached plans in functions.
> Try running your code on an 8.3 installation and see if you still get
> the issue. I strongly suspect you won't.
> If this does prove to be the case, there are workarounds for pre-8.3
> versions, usually involving the use of  EXECUTE to bypass the cache and
> force re-planning of statements at every execution. However, if it's
> practical to do so upgrading to 8.3 might be a nicer and (in the long
> run) easier option.
> --
> Craig Ringer

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