From: | Mitar <mmitar(at)gmail(dot)com> |
---|---|
To: | Marcos Pegoraro <marcos(at)f10(dot)com(dot)br> |
Cc: | Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>, Postgres General <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Determining if a table really changed in a trigger |
Date: | 2021-10-27 14:06:38 |
Message-ID: | CAKLmikOm34j2ZyDEbz63ZZ81NXqoma_tbsBqGHO9XReR7-R0+A@mail.gmail.com |
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Lists: | pgsql-general |
Hi!
On Wed, Oct 27, 2021 at 12:56 PM Marcos Pegoraro <marcos(at)f10(dot)com(dot)br> wrote:
>> Oh, very interesting. I thought that this is not possible because WHEN
>> condition on triggers does not have NEW and OLD. But this is a very
>> cool way to combine rules with triggers, where a rule can still
>> operate by row.
>
> That is not true
Sorry to be imprecise. In this thread I am interested in statement
triggers, so I didn't mention this explicitly here. So statement
triggers do not have NEW and OLD. But you can combine it with a
row-level rule and this works then well together.
Mitar
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