Statement Triggers

From: Gordan Bobic <gordan(at)bobich(dot)net>
To: <pgsql-general(at)postgresql(dot)org>
Subject: Statement Triggers
Date: 2010-03-10 16:10:35
Message-ID: 4c47bc5f437a42992afc79c756a62219@localhost
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Hi,

Can anyone point me at a comprehensive example of statement (as opposed to
row) triggers? I've googled it and looked through the documentation, but
couldn't find a complete example relevant to what I'm trying to do.

Specifically, what features of the SQL statement that triggered the event
are available to the function invoked by the trigger? Say I wanted to write
all INSERT statements executed on a table into a log file. How would I
access the original statement in the triggered function? If I cannot access
the statement itself, what information is available for statement based
triggers?

Thanks.

Gordan

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