Re: PL/pgSQL EXECUTE '..' USING with unknown
| От | Cédric Villemain |
|---|---|
| Тема | Re: PL/pgSQL EXECUTE '..' USING with unknown |
| Дата | |
| Msg-id | AANLkTi=tEe=gaWGUVTMkZrmziKOsGi4b4R0v2Mn1vtk=@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: PL/pgSQL EXECUTE '..' USING with unknown (Cédric Villemain <cedric.villemain.debian@gmail.com>) |
| Ответы |
Re: PL/pgSQL EXECUTE '..' USING with unknown
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| Список | pgsql-hackers |
2010/8/17 Cédric Villemain <cedric.villemain.debian@gmail.com>: > 2010/8/17 Tom Lane <tgl@sss.pgh.pa.us>: >> =?ISO-8859-1?Q?C=E9dric_Villemain?= <cedric.villemain.debian@gmail.com> writes: >>> 2010/8/16 Tom Lane <tgl@sss.pgh.pa.us>: >>>> =?ISO-8859-1?Q?C=E9dric_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. Here we are. A simple usecase. -- Cédric Villemain 2ndQuadrant http://2ndQuadrant.fr/ PostgreSQL : Expertise, Formation et Support
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