| From: | Gregory Stark <stark(at)enterprisedb(dot)com> |
|---|---|
| To: | "Joris Dobbelsteen" <Joris(at)familiedobbelsteen(dot)nl> |
| Cc: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>, <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Planner: rows=1 after "similar to" where condition. |
| Date: | 2008-02-25 11:31:25 |
| Message-ID: | 87wsot5l2q.fsf@oxford.xeocode.com |
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| Lists: | pgsql-general |
"Joris Dobbelsteen" <Joris(at)familiedobbelsteen(dot)nl> writes:
> Should be:
> PostGreSQL 8.2.5 on x86_64-pc-linux-gnu (GCC 4.1.2.20061115) (Debian 4.1.1-21).
In this case that may matter. One of the changes in the 8.2.6 update was:
. Improve planner's handling of LIKE/regex estimation in non-C locales (Tom)
I seem to recall this largely had to do with negated regexp matches but I
might only be remembering part of it. I would start by taking all the fixes
for known bugs before trying to diagnose a new one :)
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Ask me about EnterpriseDB's RemoteDBA services!
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