On 2011-12-17 10:02, Andreas Kretschmer wrote: > Stefan Weiss <krewech...@gmail.com> wrote: >> >> SELECT name >> FROM dossier_contact_v >> WHERE dossier_id = 56993 >> AND ctype = 234 >> UNION >> SELECT name >> FROM dossier_contact_v >> WHERE dossier_id = -1 >> AND ctype = -1 >> ORDER BY ctype; >> >> - fails with the following error message: >> >> ERROR: column "ctype" does not exist >> LINE 10: ORDER BY ctype; > > The reult table doesn't contain a column "ctype", it contains only > "name". [...]
I see. So this has to do with the union; after combining the two queries, the tables from the FROM clauses are no longer available. Thanks, that explains it. - stefan -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
