Στις Friday 17 October 2008 15:11:10 ο/η Gerardo Herzig έγραψε: > Richard Huxton wrote: > > Gerardo Herzig wrote: > >> But it does a doble count(*) that i must avoid. > >> I cant refer to the 'first' count like > >> select case when (select count(*) from test where id=$1 ) AS total > >> > 0 then total > >> else -1 > >> end; > > > > SELECT > > CASE WHEN total >0 THEN total ELSE -1 END AS new_total > > FROM ( > > SELECT count(*) AS total FROM test WHERE id=$1 > > ) AS raw_total > > > Pavel, Richard, you got it dudes! I have to say, that kinda 'reference > before assingment' of "total" doesnt look logical to me. >
Then, both you and your boss need some SQL courses :) (no offense) > Thanks again!! > Gerardo > -- Achilleas Mantzios -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
