Re: Column level triggers

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От Laurent Wandrebeck
Тема Re: Column level triggers
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Msg-id fc593b510810150119qadab60al41a1448e3481ce00@mail.gmail.com
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Ответ на Re: Column level triggers  ("Scott Marlowe" <scott.marlowe@gmail.com>)
Ответы Re: Column level triggers  (Robert Treat <xzilla@users.sourceforge.net>)
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2008/10/15 Scott Marlowe <scott.marlowe@gmail.com>:
>
> You'll probably have to ask that in -hackers.  I'm guessing it's one
> of those things that if one wrote a sufficiently large check one could
> find a hacker to implement it.  But I can't imagine it being a weekend
> project, and if it's not already in 8.4 beta it wouldn't make it to
> 8.4, but you'd have to shoot for 8.5.
OK, will forward that to the more appropriate ml.
>
> 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.
Agreed, but it's not the cleanest way (well, actually, it is, right now:).
Laurent.

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