| From: | Douglas McNaught <doug(at)mcnaught(dot)org> |
|---|---|
| To: | "Foster, Stephen" <stephenlfoster(at)comcast(dot)net> |
| Cc: | "'Michael Fuhr'" <mike(at)fuhr(dot)org>, <pgsql-general(at)postgresql(dot)org>, <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: [SQL] Looking for information on PostgreSQL Stored Procedures |
| Date: | 2005-12-11 16:38:47 |
| Message-ID: | m2bqznh9m0.fsf@Douglas-McNaughts-Powerbook.local |
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| Thread: | |
| Lists: | pgsql-general pgsql-sql |
"Foster, Stephen" <stephenlfoster(at)comcast(dot)net> writes:
> WHILE (--Lost on variable name for end of query; EmptyQueryResponse <>
> 0? --)
> BEGIN
> IF LastName = fname THEN
> DELETE FROM MailingList WHERE id = id;
> END IF;
> LastName := fname;
> FETCH NEXT FROM NewListCursor INTO fname, id;
> END;
> CLOSE NewListCursor;
> $BODY$
> LANGUAGE 'sql' VOLATILE;
You can't do any looping or other control structures in an SQL
function. Use PL/pgSQL instead.
-Doug
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