| From: | Cédric Villemain <cedric(dot)villemain(dot)debian(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: PL/pgSQL EXECUTE '..' USING with unknown |
| Date: | 2010-08-17 16:44:00 |
| Message-ID: | AANLkTi=fbc7XWEAeKAArhmXdwH8h9T0_1KXfWLqjK85a@mail.gmail.com |
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| Lists: | pgsql-hackers |
2010/8/17 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> =?ISO-8859-1?Q?C=E9dric_Villemain?= <cedric(dot)villemain(dot)debian(at)gmail(dot)com> writes:
>> 2010/8/16 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>>> =?ISO-8859-1?Q?C=E9dric_Villemain?= <cedric(dot)villemain(dot)debian(at)gmail(dot)com> writes:
>>>> Unfortunely the current implementation of EXECUTE USING is not working
>>>> this way.
>>>
>>> Uh ... what do you base that statement on?
>
>> About the planning behavior ?
>> With USING, I get a seqscan (cost and long), without USING I have an
>> indexscan(short and costless).
>
> It works as expected for me. What PG version are you using exactly?
> Could you provide a self-contained example?
postgresql 8.4.4. Yes I'll work one out this evening.
more or less : table foo (uid char(32) PK, flag boolean), uids are
md5sum. +-6M rows.
--
Cédric Villemain 2ndQuadrant
http://2ndQuadrant.fr/ PostgreSQL : Expertise, Formation et Support
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