Re: Preventing an 'after' trigger from causing rollback on error

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От Jeff Davis
Тема Re: Preventing an 'after' trigger from causing rollback on error
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Msg-id 1334361402.28820.5.camel@sussancws0025
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Ответ на Preventing an 'after' trigger from causing rollback on error  (Eliot Gable <egable+pgsql-general@gmail.com>)
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On Fri, 2012-04-13 at 17:58 -0400, Eliot Gable wrote:
> Is there any way I can stop a trigger which fires after a row is
> inserted into a table from causing a rollback of the entire
> transaction if something goes wrong?

1. Try using subtransactions
( http://www.postgresql.org/docs/9.1/static/sql-savepoint.html ). I
suggest releasing or rolling back the savepoints that you no longer need
because triggers can be executed many times.
2. You could have a separate connection that does the processing you
need, and use LISTEN/NOTIFY to alert the other connection that new data
is available to process.

Regards,
    Jeff Davis



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