/**
  * 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()) {
         $key = EventTableMap::getPrimaryKeyHashFromRow($row, 0, $dataFetcher->getIndexType());
         if (null !== ($obj = EventTableMap::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 {
             /** @var Event $obj */
             $obj = new $cls();
             $obj->hydrate($row);
             $results[] = $obj;
             EventTableMap::addInstanceToPool($obj, $key);
         }
         // if key exists
     }
     return $results;
 }
 /**
  * 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 $con A connection object
  *
  * @throws \Propel\Runtime\Exception\PropelException
  *
  * @return ChildEvent A model object, or null if the key is not found
  */
 protected function findPkSimple($key, ConnectionInterface $con)
 {
     $sql = 'SELECT event_id, title, date, start_time, end_time, location, max_attendance, creator_user_id FROM event WHERE event_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)) {
         /** @var ChildEvent $obj */
         $obj = new ChildEvent();
         $obj->hydrate($row);
         EventTableMap::addInstanceToPool($obj, (string) $key);
     }
     $stmt->closeCursor();
     return $obj;
 }
 /**
  * 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(EventTableMap::DATABASE_NAME);
     }
     return $con->transaction(function () use($con) {
         $isInsert = $this->isNew();
         $ret = $this->preSave($con);
         if ($isInsert) {
             $ret = $ret && $this->preInsert($con);
         } else {
             $ret = $ret && $this->preUpdate($con);
         }
         if ($ret) {
             $affectedRows = $this->doSave($con);
             if ($isInsert) {
                 $this->postInsert($con);
             } else {
                 $this->postUpdate($con);
             }
             $this->postSave($con);
             EventTableMap::addInstanceToPool($this);
         } else {
             $affectedRows = 0;
         }
         return $affectedRows;
     });
 }