Re: BUG #8152: strange behavior regarding after triggers and inheritance

From: "Hugo J(dot) Curti" <hcurti(at)exa(dot)unicen(dot)edu(dot)ar>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #8152: strange behavior regarding after triggers and inheritance
Date: 2013-05-13 22:09:54
Message-ID: 519164B2.20304@exa.unicen.edu.ar
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El 13/05/13 17:06, Tom Lane escribió:
> hcurti(at)exa(dot)unicen(dot)edu(dot)ar writes:
>> PostgreSQL version: 8.4.17
>
>> After statments triggers on child tables are sometimes executed and
>> sometimes are not. As I far as I could see, when the after trigger is
>> defined in only one of the tables it may not get executed, wether when it is
>> defined in every inherited table it does, but
>> which one is undetermined.
>
> This test case appears to work the way you're expecting in 9.0 and
> later. I didn't immediately find a mention of such a change in the
> commit logs; perhaps it got fixed as a side-effect of the changes that
> moved trigger processing into ModifyTable plan nodes. Anyway, I doubt
> we'd consider changing trigger behavior in 8.4.x at this late date.
> You should update to a newer release series if this is a problem for you.
>
> regards, tom lane

Thank you Tom,

The update to 9.x is already planned, and the workaround I mentioned
in the post works for me.

regards,

Hugo

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