Re: PL/pgSQL EXECUTE '..' USING with unknown
| От | Cédric Villemain |
|---|---|
| Тема | Re: PL/pgSQL EXECUTE '..' USING with unknown |
| Дата | |
| Msg-id | AANLkTi=fbc7XWEAeKAArhmXdwH8h9T0_1KXfWLqjK85a@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: PL/pgSQL EXECUTE '..' USING with unknown (Tom Lane <tgl@sss.pgh.pa.us>) |
| Ответы |
Re: PL/pgSQL EXECUTE '..' USING with unknown
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| Список | pgsql-hackers |
2010/8/17 Tom Lane <tgl@sss.pgh.pa.us>: > Cédric Villemain <cedric.villemain.debian@gmail.com> writes: >> 2010/8/16 Tom Lane <tgl@sss.pgh.pa.us>: >>> Cédric Villemain <cedric.villemain.debian@gmail.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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