| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> |
| Cc: | "Laurent Wandrebeck" <l(dot)wandrebeck(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Column level triggers |
| Date: | 2008-10-15 00:47:22 |
| Message-ID: | 6647.1224031642@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
"Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> writes:
> Since you can check which columns have changed, it's pretty easy to
> write a trigger that just skips its logic when none of the trigger
> columns have changed.
... which is pretty much the same thing a built-in implementation would
have to do, too. So it'd save you a bit of typing but nothing more.
regards, tom lane
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