public function removeTags()
{
$c = new Criteria();
$c->add(PostTagPeer::POST_ID, $this->getId());
PostTagPeer::doDelete($c);
}
/**
* This is a method for emulating ON DELETE CASCADE for DBs that don't support this
* feature (like MySQL or SQLite).
*
* This method is not very speedy because it must perform a query first to get
* the implicated records and then perform the deletes by calling those Peer classes.
*
* This method should be used within a transaction if possible.
*
* @param Criteria $criteria
* @param Connection $con
* @return int The number of affected rows (if supported by underlying database driver).
*/
protected static function doOnDeleteCascade(Criteria $criteria, Connection $con)
{
// initialize var to track total num of affected rows
$affectedRows = 0;
// first find the objects that are implicated by the $criteria
$objects = TagPeer::doSelect($criteria, $con);
foreach ($objects as $obj) {
include_once 'lib/model/PostTag.php';
// delete related PostTag objects
$c = new Criteria();
$c->add(PostTagPeer::TAG_ID, $obj->getId());
$affectedRows += PostTagPeer::doDelete($c, $con);
}
return $affectedRows;
}
/**
* Removes this object from datastore and sets delete attribute.
*
* @param Connection $con
* @return void
* @throws PropelException
* @see BaseObject::setDeleted()
* @see BaseObject::isDeleted()
*/
public function delete($con = null)
{
if ($this->isDeleted()) {
throw new PropelException("This object has already been deleted.");
}
if ($con === null) {
$con = Propel::getConnection(PostTagPeer::DATABASE_NAME);
}
try {
$con->begin();
PostTagPeer::doDelete($this, $con);
$this->setDeleted(true);
$con->commit();
} catch (PropelException $e) {
$con->rollback();
throw $e;
}
}
