public function DatabaseBackend::garbageCollection in Drupal 10
Same name in this branch
- 10 core/lib/Drupal/Core/Flood/DatabaseBackend.php \Drupal\Core\Flood\DatabaseBackend::garbageCollection()
- 10 core/lib/Drupal/Core/Cache/DatabaseBackend.php \Drupal\Core\Cache\DatabaseBackend::garbageCollection()
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/Cache/DatabaseBackend.php \Drupal\Core\Cache\DatabaseBackend::garbageCollection()
- 9 core/lib/Drupal/Core/Cache/DatabaseBackend.php \Drupal\Core\Cache\DatabaseBackend::garbageCollection()
File
- core/
lib/ Drupal/ Core/ Cache/ DatabaseBackend.php, line 366
Class
- DatabaseBackend
- Defines a default cache implementation.
Namespace
Drupal\Core\CacheCode
public function garbageCollection() {
try {
// Bounded size cache bin, using FIFO.
if ($this->maxRows !== static::MAXIMUM_NONE) {
$first_invalid_create_time = $this->connection
->select($this->bin)
->fields($this->bin, [
'created',
])
->orderBy("{$this->bin}.created", 'DESC')
->range($this->maxRows, $this->maxRows + 1)
->execute()
->fetchField();
if ($first_invalid_create_time) {
$this->connection
->delete($this->bin)
->condition('created', $first_invalid_create_time, '<=')
->execute();
}
}
$this->connection
->delete($this->bin)
->condition('expire', Cache::PERMANENT, '<>')
->condition('expire', REQUEST_TIME, '<')
->execute();
} catch (\Exception $e) {
// If the table does not exist, it surely does not have garbage in it.
// If the table exists, the next garbage collection will clean up.
// There is nothing to do.
}
}