Re: Why can't I put a BEFORE EACH ROW trigger on a view?

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Karl O(dot) Pinc" <kop(at)meme(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Why can't I put a BEFORE EACH ROW trigger on a view?
Date: 2007-02-25 01:56:34
Message-ID: 45E0ECD2.8090903@commandprompt.com
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> I recall a prior discussion about making it possible to use triggers on
> views as a substitute for DO INSTEAD rules, by removing the rewrite-time
> check and only erroring out if we actually get to the point of
> attempting a physical insert. Then a BEFORE INSERT trigger could do
> something appropriate with the data and return NULL to prevent the
> error. This seems like a good idea because triggers often are much
> easier to work with than rules ---

It is also my experience that triggers are faster than rules. At least
with table partitioning.

Joshua D. Drake

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