/**
* Retrieve object using using composite pkey values.
* @param int $person_1
* @param int $person_2
* @param PropelPDO $con
* @return Friend
*/
public static function retrieveByPK($person_1, $person_2, PropelPDO $con = null)
{
$_instancePoolKey = serialize(array((string) $person_1, (string) $person_2));
if (null !== ($obj = FriendPeer::getInstanceFromPool($_instancePoolKey))) {
return $obj;
}
if ($con === null) {
$con = Propel::getConnection(FriendPeer::DATABASE_NAME, Propel::CONNECTION_READ);
}
$criteria = new Criteria(FriendPeer::DATABASE_NAME);
$criteria->add(FriendPeer::PERSON_1, $person_1);
$criteria->add(FriendPeer::PERSON_2, $person_2);
$v = FriendPeer::doSelect($criteria, $con);
return !empty($v) ? $v[0] : null;
}
/**
* Populates the object using an array.
*
* This is particularly useful when populating an object from one of the
* request arrays (e.g. $_POST). This method goes through the column
* names, checking to see whether a matching key exists in populated
* array. If so the setByName() method is called for that column.
*
* You can specify the key type of the array by additionally passing one
* of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME,
* BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM.
* The default key type is the column's BasePeer::TYPE_PHPNAME
*
* @param array $arr An array to populate the object from.
* @param string $keyType The type of keys the array uses.
* @return void
*/
public function fromArray($arr, $keyType = BasePeer::TYPE_PHPNAME)
{
$keys = FriendPeer::getFieldNames($keyType);
if (array_key_exists($keys[0], $arr)) {
$this->setPerson1($arr[$keys[0]]);
}
if (array_key_exists($keys[1], $arr)) {
$this->setPerson2($arr[$keys[1]]);
}
}
/**
* Method to invalidate the instance pool of all tables related to person
* by a foreign key with ON DELETE CASCADE
*/
public static function clearRelatedInstancePool()
{
// Invalidate objects in FriendPeer instance pool,
// since one or more of them may be deleted by ON DELETE CASCADE/SETNULL rule.
FriendPeer::clearInstancePool();
// Invalidate objects in FriendPeer instance pool,
// since one or more of them may be deleted by ON DELETE CASCADE/SETNULL rule.
FriendPeer::clearInstancePool();
}
/**
* Find object by primary key using raw SQL to go fast.
* Bypass doSelect() and the object formatter by using generated code.
*
* @param mixed $key Primary key to use for the query
* @param PropelPDO $con A connection object
*
* @return Friend A model object, or null if the key is not found
* @throws PropelException
*/
protected function findPkSimple($key, $con)
{
$sql = 'SELECT `person_1`, `person_2` FROM `friend` WHERE `person_1` = :p0 AND `person_2` = :p1';
try {
$stmt = $con->prepare($sql);
$stmt->bindValue(':p0', $key[0], PDO::PARAM_INT);
$stmt->bindValue(':p1', $key[1], PDO::PARAM_INT);
$stmt->execute();
} catch (Exception $e) {
Propel::log($e->getMessage(), Propel::LOG_ERR);
throw new PropelException(sprintf('Unable to execute SELECT statement [%s]', $sql), $e);
}
$obj = null;
if ($row = $stmt->fetch(PDO::FETCH_NUM)) {
$obj = new Friend();
$obj->hydrate($row);
FriendPeer::addInstanceToPool($obj, serialize(array((string) $key[0], (string) $key[1])));
}
$stmt->closeCursor();
return $obj;
}
/**
* This function checks the local equal nest collection against the database
* and creates new relations or deletes ones that have been removed
*
* @param PropelPDO $con
*/
public function processEqualNestQueries(PropelPDO $con = null)
{
if (false === $this->alreadyInEqualNestProcessing && null !== $this->collEqualNestFriends) {
if (null === $con) {
$con = Propel::getConnection(PersonPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
}
$this->alreadyInEqualNestProcessing = true;
$this->clearListFriendsPKs();
$this->initListFriendsPKs($con);
$this->collEqualNestFriends->save();
$con->beginTransaction();
try {
foreach ($this->getFriends()->getPrimaryKeys($usePrefix = false) as $columnKey => $pk) {
if (!in_array($pk, $this->listEqualNestFriendsPKs)) {
// save new equal nest relation
FriendPeer::buildEqualNestFriendRelation($this, $pk, $con);
// add this object to the sibling's collection
$this->getFriends()->get($columnKey)->addFriend($this);
} else {
// remove the pk from the list of db keys
unset($this->listEqualNestFriendsPKs[array_search($pk, $this->listEqualNestFriendsPKs)]);
}
}
// if we have keys still left, this means they are relations that have to be removed
foreach ($this->listEqualNestFriendsPKs as $oldPk) {
FriendPeer::removeEqualNestFriendRelation($this, $oldPk, $con);
}
$con->commit();
$this->alreadyInEqualNestProcessing = false;
} catch (PropelException $e) {
$con->rollBack();
throw $e;
}
}
}
