Re: Seq scan
От | Diogo Biazus |
---|---|
Тема | Re: Seq scan |
Дата | |
Msg-id | 3D5C1600.8030807@ikono.com.br обсуждение исходный текст |
Ответ на | Re: Seq scan (Stephan Szabo <sszabo@megazone23.bigpanda.com>) |
Список | pgsql-general |
Stephan Szabo wrote: >On Thu, 15 Aug 2002, Stephan Szabo wrote: > > > >>On Thu, 15 Aug 2002, Diogo Biazus wrote: >> >> >> >>>Hi everybody. >>>Im trying to execute a simple UPDATE query on a table with 450000 rows >>>using an index in the where clause. >>> >>>Example: >>>UPDATE table SET field = null WHERE field = 12345 >>>( NOTICE: Field has an index ) >>> >>> >>If field is int8, you'll need to either quote the number or >>cast it to int8 (either ::int8 or cast(12345 as int8) should work). >> >> > >(Slow today) The same is true for int2 (which is despite my braindamage >today large enough to hold 12345) except that you cast to int2. > > >---------------------------(end of broadcast)--------------------------- >TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) > > > > Yes, the field is int8 and now its working fine (with the quotes), thanks for the help. Diogo Biazus
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