/**
* Retrieve a single object by pkey.
*
* @param int $pk the primary key.
* @param PropelPDO $con the connection to use
* @return Grade
*/
public static function retrieveByPK($pk, PropelPDO $con = null)
{
if (null !== ($obj = GradePeer::getInstanceFromPool((string) $pk))) {
return $obj;
}
if ($con === null) {
$con = Propel::getConnection(GradePeer::DATABASE_NAME, Propel::CONNECTION_READ);
}
$criteria = new Criteria(GradePeer::DATABASE_NAME);
$criteria->add(GradePeer::ID, $pk);
$v = GradePeer::doSelect($criteria, $con);
return !empty($v) > 0 ? $v[0] : null;
}
/**
* Selects a collection of Periodo objects pre-filled with all related objects.
*
* @param Criteria $criteria
* @param PropelPDO $con
* @param String $join_behavior the type of joins to use, defaults to Criteria::LEFT_JOIN
* @return array Array of Periodo objects.
* @throws PropelException Any exceptions caught during processing will be
* rethrown wrapped into a PropelException.
*/
public static function doSelectJoinAll(Criteria $criteria, $con = null, $join_behavior = Criteria::LEFT_JOIN)
{
$criteria = clone $criteria;
// Set the correct dbName if it has not been overridden
if ($criteria->getDbName() == Propel::getDefaultDB()) {
$criteria->setDbName(self::DATABASE_NAME);
}
PeriodoPeer::addSelectColumns($criteria);
$startcol2 = PeriodoPeer::NUM_COLUMNS - PeriodoPeer::NUM_LAZY_LOAD_COLUMNS;
GradePeer::addSelectColumns($criteria);
$startcol3 = $startcol2 + (GradePeer::NUM_COLUMNS - GradePeer::NUM_LAZY_LOAD_COLUMNS);
$criteria->addJoin(PeriodoPeer::GRADE_ID, GradePeer::ID, $join_behavior);
// symfony_behaviors behavior
foreach (sfMixer::getCallables(self::getMixerPreSelectHook(__FUNCTION__)) as $sf_hook) {
call_user_func($sf_hook, 'BasePeriodoPeer', $criteria, $con);
}
$stmt = BasePeer::doSelect($criteria, $con);
$results = array();
while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
$key1 = PeriodoPeer::getPrimaryKeyHashFromRow($row, 0);
if (null !== ($obj1 = PeriodoPeer::getInstanceFromPool($key1))) {
// We no longer rehydrate the object, since this can cause data loss.
// See http://propel.phpdb.org/trac/ticket/509
// $obj1->hydrate($row, 0, true); // rehydrate
} else {
$cls = PeriodoPeer::getOMClass(false);
$obj1 = new $cls();
$obj1->hydrate($row);
PeriodoPeer::addInstanceToPool($obj1, $key1);
}
// if obj1 already loaded
// Add objects for joined Grade rows
$key2 = GradePeer::getPrimaryKeyHashFromRow($row, $startcol2);
if ($key2 !== null) {
$obj2 = GradePeer::getInstanceFromPool($key2);
if (!$obj2) {
$cls = GradePeer::getOMClass(false);
$obj2 = new $cls();
$obj2->hydrate($row, $startcol2);
GradePeer::addInstanceToPool($obj2, $key2);
}
// if obj2 loaded
// Add the $obj1 (Periodo) to the collection in $obj2 (Grade)
$obj2->addPeriodo($obj1);
}
// if joined row not null
$results[] = $obj1;
}
$stmt->closeCursor();
return $results;
}