| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Keith Browne <tuxedo(at)deepsky(dot)com>, pgsql-bugs(at)postgresql(dot)org, "Brian O'Reilly" <fade(at)deepsky(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: BUG #1552: massive performance hit between 7.4 and 8.0.1 |
| Date: | 2005-03-25 14:41:09 |
| Message-ID: | 23228.1111761669@sss.pgh.pa.us |
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| Lists: | pgsql-bugs pgsql-performance |
Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> I think we should spawn a TODO item from this:
> * Coerce FK lookups to always use an available index
No, we aren't doing that.
The correct TODO item is "Replan cached plans when table size has
changed a lot" which of course depends on having a framework to do
replanning at all. I intend to take a look at that once Neil has
created such a framework ...
regards, tom lane
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