'consolidate_spider_stats' => array(

 			'~MONTH\(log_time\), DAYOFMONTH\(log_time\)~' => 'MONTH(CAST(CAST(log_time AS abstime) AS timestamp)), DAYOFMONTH(CAST(CAST(log_time AS abstime) AS timestamp))',

 		),

 		'delete_subscription' => array(

 			'~LIMIT 1~' => '',

 		),

 	// Try to find a task. Specifically, try to find one that hasn't been claimed previously, or failing that,

 	// a task that was claimed but failed for whatever reason and failed long enough ago. We should not care

 	// what task it is, merely that it is one in the queue, the order is irrelevant.

 		SELECT id_task, task_file, task_class, task_data, claimed_time

 		FROM {db_prefix}background_tasks

 		WHERE claimed_time < {int:claim_limit}