Re: Rules/Triggers executio order - Mailing list pgsql-admin

From Jim C. Nasby
Subject Re: Rules/Triggers executio order
Date
Msg-id 20061019042738.GD71084@nasby.net
Whole thread Raw
In response to Rules/Triggers executio order  ("Benjamin Krajmalnik" <kraj@illumen.com>)
List pgsql-admin
On Wed, Oct 18, 2006 at 06:42:21PM -0600, Benjamin Krajmalnik wrote:
> I have a partitioned table to which I route data using a trigger.
> I am changing it to use a set of rules which executes "INSTEAD" on
> insert.
> The parent table currently has a trigger.
>
> The system is a live system.  I would prefer to not have to suspend the
> data flow.
> If I create the rules, and given the fact that they execute "INSTEAD" of
> the insertion into the parent table, will the trigger still execute.
> I will be removing the trigger immediately after the creation of the
> rules, but just want to be safe and make sure I get no duplicate
> entries.

An INSTEAD OF rule replaces the query that you originally had with the
one re-written by the rule, so no, the triggers shouldn't fire. But you
should test to make sure.
--
Jim Nasby                                            jim@nasby.net
EnterpriseDB      http://enterprisedb.com      512.569.9461 (cell)

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