Horton

Re: [PATCHES] GIN improvements

Jeff Davis <pgsql@j-davis.com>

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From: Jeff Davis <pgsql@j-davis.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Teodor Sigaev <teodor@sigaev.ru>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, Pgsql Hackers <pgsql-hackers@postgresql.org>
Date: 2009-02-04T21:23:09Z
Lists: pgsql-hackers 
On Wed, 2009-02-04 at 14:40 -0500, Robert Haas wrote:
> Well, there's nothing to force that plan to be invalidated when the
> state of the pending list changes, is there?
> 

Would it be unreasonable to invalidate cached plans during the pending
list cleanup?

Anyway, it just strikes me as strange to expect a plan to be a good plan
for very long. Can you think of an example where we applied this rule
before?

Regards,
	Jeff Davis