2009/10/15 Tom Lane <tgl@sss.pgh.pa.us>:
> Itagaki Takahiro <itagaki.takahiro@oss.ntt.co.jp> writes:
>> I think there is a benefit to provide WHEN cluase at least
>> for compatibility with other DBMSs, even through we can move
>> the expressions into the body of trigger functions.
>
> This seems to me to be a lot of code to accomplish nothing useful.
> It will always be the case that any nontrivial logic has to be done
> inside the trigger. And the compatibility argument is entirely
> pointless given the lack of compatibility in the trigger function
> itself.
>
> -1
>
I disagree. When I analysed speed of some operations, I found some
unwanted trigger calls should to slow down applications. I am for any
method, that could to decrease trigger calls.
Regards
Pavel Stehule
> regards, tom lane
>
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