public function PagerSelectExtender::execute
public PagerSelectExtender::execute()
Override the execute method.
Before we run the query, we need to add pager-based range() instructions to it.
Overrides SelectExtender::execute
File
- core/lib/Drupal/Core/Database/Query/PagerSelectExtender.php, line 61
Class
- PagerSelectExtender
- Query extender for pager queries.
Namespace
Drupal\Core\Database\QueryCode
public function execute() { // By calling preExecute() here, we force it to preprocess the extender // object rather than just the base query object. That means // hook_query_alter() gets access to the extended object. if (!$this->preExecute($this)) { return NULL; } // A NULL limit is the "kill switch" for pager queries. if (empty($this->limit)) { return; } $this->ensureElement(); $total_items = $this->getCountQuery()->execute()->fetchField(); $current_page = pager_default_initialize($total_items, $this->limit, $this->element); $this->range($current_page * $this->limit, $this->limit); // Now that we've added our pager-based range instructions, run the query normally. return $this->query->execute(); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Database!Query!PagerSelectExtender.php/function/PagerSelectExtender::execute/8.1.x