Re: Partitioned table limitation
От | Goboxe |
---|---|
Тема | Re: Partitioned table limitation |
Дата | |
Msg-id | 1191284926.905585.187280@50g2000hsm.googlegroups.com обсуждение исходный текст |
Ответ на | Re: Partitioned table limitation ("Scott Marlowe" <scott.marlowe@gmail.com>) |
Список | pgsql-general |
> > I've played around with as many as 1,000 child tables. By then, the > planning time becomes noticeably longer than for a single table, but > the response time is still so much faster that it's worth it. Note > I'm talking only a fraction of a second planning time, even at 1,000 > tables. > > If you are going over 100 tables, make sure you're using triggers for > updating the child tables not rules, as rules are far too slow when > there's over 50 or so tables to look choose from. > > ---------------------------(end of broadcast)--------------------------- > TIP 9: In versions below 8.0, the planner will ignore your desire to > choose an index scan if your joining column's datatypes do not > match- Hide quoted text - > > - Show quoted text - Scott, Could you share a snippet on how to use trigger for this? TQ, G
В списке pgsql-general по дате отправления: