Re: Rule/currval() issue
От | Tim Perdue |
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Тема | Re: Rule/currval() issue |
Дата | |
Msg-id | 20010314121335.S670@mail.perdue.net обсуждение исходный текст |
Ответ на | Re: Rule/currval() issue (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Rule/currval() issue
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Список | pgsql-sql |
On Wed, Mar 14, 2001 at 01:09:18PM -0500, Tom Lane wrote: > Tim Perdue <tim@perdue.net> writes: > > This is related to the plpgsql project I was working on this morning. I'm > > trying to create a rule, so that when a row is inserted into a certain table, > > we also create a row over in a "counter table". The problem lies in getting > > the primary key value (from the sequence) so it can be inserted in that > > related table. > > You probably should be using a trigger, not a rule at all. OK - so another rule like this one, is probably ill-advised as well? It seems a lot easier than going into the triggers: CREATE RULE forum_delete_agg AS ON DELETE TO forum DO UPDATE forum_agg_msg_count SET count=count-1 WHERE group_forum_id=old.group_forum_id; Tim -- Founder - PHPBuilder.com / Geocrawler.com Lead Developer - SourceForge VA Linux Systems
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