/**
* 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 ConnectionInterface $con A connection object
*
* @return ChildCarousel A model object, or null if the key is not found
*/
protected function findPkSimple($key, $con)
{
$sql = 'SELECT ID, FILE, POSITION, URL, CREATED_AT, UPDATED_AT FROM carousel WHERE ID = :p0';
try {
$stmt = $con->prepare($sql);
$stmt->bindValue(':p0', $key, 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), 0, $e);
}
$obj = null;
if ($row = $stmt->fetch(\PDO::FETCH_NUM)) {
$obj = new ChildCarousel();
$obj->hydrate($row);
CarouselTableMap::addInstanceToPool($obj, (string) $key);
}
$stmt->closeCursor();
return $obj;
}
/**
* The returned array will contain objects of the default type or
* objects that inherit from the default.
*
* @param DataFetcherInterface $dataFetcher
* @return array
* @throws PropelException Any exceptions caught during processing will be
* rethrown wrapped into a PropelException.
*/
public static function populateObjects(DataFetcherInterface $dataFetcher)
{
$results = array();
// set the class once to avoid overhead in the loop
$cls = static::getOMClass(false);
// populate the object(s)
while ($row = $dataFetcher->fetch()) {
$key = CarouselTableMap::getPrimaryKeyHashFromRow($row, 0, $dataFetcher->getIndexType());
if (null !== ($obj = CarouselTableMap::getInstanceFromPool($key))) {
// We no longer rehydrate the object, since this can cause data loss.
// See http://www.propelorm.org/ticket/509
// $obj->hydrate($row, 0, true); // rehydrate
$results[] = $obj;
} else {
$obj = new $cls();
$obj->hydrate($row);
$results[] = $obj;
CarouselTableMap::addInstanceToPool($obj, $key);
}
// if key exists
}
return $results;
}
/**
* Persists this object to the database.
*
* If the object is new, it inserts it; otherwise an update is performed.
* All modified related objects will also be persisted in the doSave()
* method. This method wraps all precipitate database operations in a
* single transaction.
*
* @param ConnectionInterface $con
* @return int The number of rows affected by this insert/update and any referring fk objects' save() operations.
* @throws PropelException
* @see doSave()
*/
public function save(ConnectionInterface $con = null)
{
if ($this->isDeleted()) {
throw new PropelException("You cannot save an object that has been deleted.");
}
if ($con === null) {
$con = Propel::getServiceContainer()->getWriteConnection(CarouselTableMap::DATABASE_NAME);
}
$con->beginTransaction();
$isInsert = $this->isNew();
try {
$ret = $this->preSave($con);
if ($isInsert) {
$ret = $ret && $this->preInsert($con);
// timestampable behavior
if (!$this->isColumnModified(CarouselTableMap::CREATED_AT)) {
$this->setCreatedAt(time());
}
if (!$this->isColumnModified(CarouselTableMap::UPDATED_AT)) {
$this->setUpdatedAt(time());
}
} else {
$ret = $ret && $this->preUpdate($con);
// timestampable behavior
if ($this->isModified() && !$this->isColumnModified(CarouselTableMap::UPDATED_AT)) {
$this->setUpdatedAt(time());
}
}
if ($ret) {
$affectedRows = $this->doSave($con);
if ($isInsert) {
$this->postInsert($con);
} else {
$this->postUpdate($con);
}
$this->postSave($con);
CarouselTableMap::addInstanceToPool($this);
} else {
$affectedRows = 0;
}
$con->commit();
return $affectedRows;
} catch (Exception $e) {
$con->rollBack();
throw $e;
}
}