/**
* Unlink every associated record, method will return amount of affected rows. Method will
* unlink only records matched WHERE_PIVOT by default. Set wherePivot to false to unlink every
* record.
*
* @param bool $wherePivot Use conditions specified by WHERE_PIVOT, enabled by default.
* @return int
*/
public function unlinkAll($wherePivot = true)
{
$innerKey = $this->definition[RecordEntity::INNER_KEY];
$query = [$this->definition[RecordEntity::THOUGHT_INNER_KEY] => $this->parent->getField($innerKey)];
if ($wherePivot && !empty($this->definition[RecordEntity::WHERE_PIVOT])) {
$query = $query + $this->definition[RecordEntity::WHERE_PIVOT];
}
return $this->pivotTable()->delete($query)->run();
}
/**
* Load relation data based on created selector.
*
* @return array|null
*/
protected function loadData()
{
if (!$this->parent->isLoaded()) {
//Nothing to load for unloaded parents
return null;
}
$this->loaded = true;
if (static::MULTIPLE) {
return $this->data = $this->createSelector()->fetchData();
}
$data = $this->createSelector()->fetchData();
if (isset($data[0])) {
return $this->data = $data[0];
}
return null;
}
/**
* Loadable when parent is loaded as well.
*
* @return bool
*/
protected function isLoadable()
{
return $this->parent->isLoaded();
}