Re: On-line / off-line trace of SQL statements presented to the Postgres SQL engine

From: Aurynn Shaw <ashaw(at)commandprompt(dot)com>
To: Gino(dot)Barille(at)gmail(dot)com
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: On-line / off-line trace of SQL statements presented to the Postgres SQL engine
Date: 2007-05-30 15:43:37
Message-ID: 314646E2-1309-437F-A3AA-1E9C455DB865@commandprompt.com
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> We are using a three-tier application with J2EE, JBoss, Hibernate and
> a Postgres database.
>
> It would be a nice thing to monitor or trace the actual SQL statements
> processed by the DB. I do not really need the result set as I can get
> this - if required - using SQL against the DB through the Pgsql
> interface.

You can configure Postgres to give you this information in the
logfiles, or before you execute any queries on your connection.

The configuration option in postgresql.conf is, I believe,
log_statement.

Alternatively, you can run SET log_statement to 'all'; on your JDBC
connection before your application begins to query the database.

http://www.postgresql.org/docs/8.2/static/runtime-config-logging.html

Hope that helps.

Aurynn Shaw

The PostgreSQL Company - Command Prompt, Inc. 1.503.667.4564
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

ashaw(at)commandprompt(dot)com

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