I have any interesting problem. I need to add a degree of fault tolerance to a program that monitors device activity, and updates database tables when there are certain changes. Currently, when needed, I update records as follows: 
        $sql = qq{
            UPDATE wms_rf_server_port
            SET    available           = ?,
                   last_updated_by     = ?,
                   last_updated_date    = ?
            WHERE  port_id IN ( $port_ids )
        };

        eval {
            $rows = $dbh->do($sql,undef,$available,$0,_timestamp());
            $dbh->commit();
        };

        if ($@) {
            _DB_ErrorHandler($@);
            $dbh->rollback();
        }

[download]

At this point, _DB_ErrorHandler() only logs the errors. What I would like to do is, in the event that the error is due to loss of connection to the database, to queue up this transaction, so that it can be processed when the connection is reestablished. The example SQL statement is representative of the type of statements that would need to be queued, however, there are actually 6 different statements, with differing tables, parameters, etc.

Does anyone know of a module that does what I need, or comes close? As always, any suggestions are welcome.

Thanks,
Akoya

In reply to Queuing DBI transactions by Akoya

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