D369.id963.diff
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	Index: branches/5.2.x/core/kernel/db/db_connection.php
	===================================================================
	--- branches/5.2.x/core/kernel/db/db_connection.php
	+++ branches/5.2.x/core/kernel/db/db_connection.php
	@@ -888,28 +888,25 @@
	*/
	public function getSlaveLag()
	{
	- // don't use kDBConnection::Query method, since it will create an array of all server processes
	- $processes = $this->GetIterator('SHOW PROCESSLIST');
	-
	- $skip_states = Array (
	- 'Waiting for master to send event',
	- 'Connecting to master',
	- 'Queueing master event to the relay log',
	- 'Waiting for master update',
	- 'Requesting binlog dump',
	- );
	-
	- // find slave SQL thread
	- foreach ($processes as $process) {
	- if ( $process['User'] == 'system user' && !in_array($process['State'], $skip_states) ) {
	- // this is it, return the time (except -ve)
	+ try {
	+ $rows = $this->Query('SHOW SLAVE STATUS');
	+ }
	+ catch ( RuntimeException $e ) {
	+ // When "SUPER" or "REPLICATION CLIENT" permission is missing.
	+ return 0;
	+ }

	- return $process['Time'] > 0x7fffffff ? false : $process['Time'];
	- }
	+ // On the silenced error OR database server isn't configured for a replication.
	+ if ( $rows === false \|\| count($rows) !== 1 ) {
	+ return 0;
	}

	- return false;
	+ $row = reset($rows);
	+
	+ // When slave is too busy catching up with a master we'll get a NULL/empty string here.
	+ return is_numeric($row['Seconds_Behind_Master']) ? $row['Seconds_Behind_Master'] : false;
	}
	+
	}