On Sun, 2012-03-25 at 07:16 +0000, haman...@t-online.de wrote: > > Hi, > > I am currently doing something like > > select ordercode, descr, codes into temp table x from products where ... > Here codes is a bit-mapped field > update x set codes = codes | 512 from othertable t where ordercode = > t.ordercode and .... > select * from x > > Is there a way to avoid that temp table? >
Difficult to be really precise, but you may do this with: UPDATE products SET codes = codes | 512 FROM othertable t WHERE <your first-SELECT WHERE clause here> AND ordercode = t.ordercode AND ... RETURNING ordercode, descr, codes; You need at least 8.2 to use the RETURNING clause. -- Guillaume http://blog.guillaume.lelarge.info http://www.dalibo.com -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
