| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
| Cc: | Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: contrib idea |
| Date: | 2001-12-21 04:03:53 |
| Message-ID: | 200112210403.fBL43rH24599@candle.pha.pa.us |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> If you have a foreign key on a column, then whenever the primary key is
> modified, the following checks may occur:
>
> * Check to see if the child row exists (no action)
> * Delete the child row (cascade delete)
> * Update the child row (cascade update)
>
> All of which will benefit from an index...
OK, then perhaps we should be creating an index automatically? Folks?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Bruce Momjian | 2001-12-21 04:12:44 | Re: The dbase conrtib doesn't compile |
| Previous Message | Christopher Kings-Lynne | 2001-12-21 04:03:25 | Re: contrib idea |