Re: [SQL] Limit doesn't work with select unions
От | Oleg Bartunov |
---|---|
Тема | Re: [SQL] Limit doesn't work with select unions |
Дата | |
Msg-id | Pine.GSO.3.96.SK.991025130114.21751K-100000@ra обсуждение исходный текст |
Ответ на | Limit doesn't work with select unions (Postgres <postgres@weblynk.com>) |
Список | pgsql-sql |
It's fixed in current 6.5 sources. Wait for 6.5.3 or just get REL6_5 tree from cvs Oleg On Mon, 25 Oct 1999, Postgres wrote: > Date: Mon, 25 Oct 1999 01:27:40 -0700 > From: Postgres <postgres@weblynk.com> > To: "pgsql-sql@postgresql.org" <pgsql-sql@postgreSQL.org> > Subject: [SQL] Limit doesn't work with select unions > > I'm doing the following query: > select a.id, cfs.id from cfs where a.id = cfs.oid union select b.id, cfs.id > from cfs where b.id = cfs.oid limit 1; > The limit basically doesn't work. I get the maximum amount of rows back. > I try the query > select a.id, cfs.id from cfs where a.id = cfs.oid limit 1 union select b.id, > cfs.id from cfs where b.id = cfs.oid limit 1; > and psql says the syntax is incorrect. Any ideas on how to use limit with > union queries? > Thanks, > Rich > > > > > ************ > _____________________________________________________________ Oleg Bartunov, sci.researcher, hostmaster of AstroNet, Sternberg Astronomical Institute, Moscow University (Russia) Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/ phone: +007(095)939-16-83, +007(095)939-23-83
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