From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
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To: | Jan Wieck <janwieck(at)yahoo(dot)com> |
Cc: | jack <datactrl(at)tpg(dot)com(dot)au>, pgsql-sql(at)postgresql(dot)org |
Subject: | Re: call the same pl/pgsql procedure twice in the same connection |
Date: | 2002-04-18 17:22:14 |
Message-ID: | 200204181722.g3IHMEc21830@candle.pha.pa.us |
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Lists: | pgsql-sql |
Jan Wieck wrote:
> Bruce Momjian wrote:
> >
> > Jan, instead of doing cache invalidation to fix temporary tables, can we
> > disable cached plans for functions that use temporary tables?
>
> I was thinking of a different approach. Enhancing the SPI
> manager to detect if a plan uses temporary objects and to
> remember the original querystring in the SPI_plan. Having
> callbacks when temp object beeing destroyed into the SPI
> manager, causing it to reparse and plan on the next call to
> SPI_execp() would do it for everything that uses SPI.
I was merely proposing that preventing caching of functions ueing temp
tables may be easier than trying to invalidation them on temp table
destruction.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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