public function __construct(SelectInterface $query, Connection $connection)
{
parent::__construct($query, $connection);
// Add pager tag. Do this here to ensure that it is always added before
// preExecute() is called.
$this->addTag('pager');
}
public function __construct(SelectInterface $query, Connection $connection)
{
parent::__construct($query, $connection);
// Add convenience tag to mark that this is an extended query. We have to
// do this in the constructor to ensure that it is set before preExecute()
// gets called.
$this->addTag('tablesort');
}
/**
* Adds the configured rankings to the search query.
*
* @param $query
* A query object that has been extended with the Search DB Extender.
*/
protected function addNodeRankings(SelectExtender $query)
{
if ($ranking = $this->getRankings()) {
$tables =& $query->getTables();
foreach ($ranking as $rank => $values) {
if (isset($this->configuration['rankings'][$rank]) && !empty($this->configuration['rankings'][$rank])) {
$node_rank = $this->configuration['rankings'][$rank];
// If the table defined in the ranking isn't already joined, then add it.
if (isset($values['join']) && !isset($tables[$values['join']['alias']])) {
$query->addJoin($values['join']['type'], $values['join']['table'], $values['join']['alias'], $values['join']['on']);
}
$arguments = isset($values['arguments']) ? $values['arguments'] : array();
$query->addScore($values['score'], $arguments, $node_rank);
}
}
}
}
/**
* {@inhertidoc}
*/
public function preExecute(SelectInterface $query = NULL)
{
if (!$this->executedPrepare) {
$this->prepareAndNormalize();
}
if (!$this->normalize) {
return FALSE;
}
return parent::preExecute($query);
}