public function Dblog404SensorPlugin::getAggregateQuery in Monitoring 8

Builds simple aggregate query over one db table.

Return value

\Drupal\Core\Database\Query\Select The select query object.

Overrides DatabaseAggregatorSensorPlugin::getAggregateQuery

File

src/Plugin/monitoring/SensorPlugin/Dblog404SensorPlugin.php, line 39

Contains \Drupal\monitoring\Plugin\monitoring\SensorPlugin\Dblog404SensorPlugin.

Class

Dblog404SensorPlugin

Monitors 404 page errors from dblog.

Namespace

Drupal\monitoring\Plugin\monitoring\SensorPlugin

Code

public function getAggregateQuery() {
  $query = parent::getAggregateQuery();
  $query
    ->addField('watchdog', 'location');

  // The message is the requested 404 URL.
  $query
    ->groupBy('location');
  $query
    ->orderBy('records_count', 'DESC');
  $query
    ->range(0, 1);
  return $query;
}