/**
  * Retrieve a single object by pkey.
  *
  * @param      int $pk the primary key.
  * @param      PropelPDO $con the connection to use
  * @return     DutyPlace
  */
 public static function retrieveByPK($pk, PropelPDO $con = null)
 {
     if (null !== ($obj = DutyPlacePeer::getInstanceFromPool((string) $pk))) {
         return $obj;
     }
     if ($con === null) {
         $con = Propel::getConnection(DutyPlacePeer::DATABASE_NAME, Propel::CONNECTION_READ);
     }
     $criteria = new Criteria(DutyPlacePeer::DATABASE_NAME);
     $criteria->add(DutyPlacePeer::ID, $pk);
     $v = DutyPlacePeer::doSelect($criteria, $con);
     return !empty($v) > 0 ? $v[0] : null;
 }
 /**
  * Selects a collection of DutyRoster objects pre-filled with all related objects except EmployeeRelatedBySubstituteId.
  *
  * @param      Criteria  $c
  * @param      PropelPDO $con
  * @param      String    $join_behavior the type of joins to use, defaults to Criteria::LEFT_JOIN
  * @return     array Array of DutyRoster objects.
  * @throws     PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  */
 public static function doSelectJoinAllExceptEmployeeRelatedBySubstituteId(Criteria $c, $con = null, $join_behavior = Criteria::LEFT_JOIN)
 {
     $c = clone $c;
     // Set the correct dbName if it has not been overridden
     // $c->getDbName() will return the same object if not set to another value
     // so == check is okay and faster
     if ($c->getDbName() == Propel::getDefaultDB()) {
         $c->setDbName(self::DATABASE_NAME);
     }
     DutyRosterPeer::addSelectColumns($c);
     $startcol2 = DutyRosterPeer::NUM_COLUMNS - DutyRosterPeer::NUM_LAZY_LOAD_COLUMNS;
     DutyPlacePeer::addSelectColumns($c);
     $startcol3 = $startcol2 + (DutyPlacePeer::NUM_COLUMNS - DutyPlacePeer::NUM_LAZY_LOAD_COLUMNS);
     $c->addJoin(array(DutyRosterPeer::DUTY_PLACE_ID), array(DutyPlacePeer::ID), $join_behavior);
     $stmt = BasePeer::doSelect($c, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = DutyRosterPeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = DutyRosterPeer::getInstanceFromPool($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 {
             $omClass = DutyRosterPeer::getOMClass();
             $cls = substr('.' . $omClass, strrpos('.' . $omClass, '.') + 1);
             $obj1 = new $cls();
             $obj1->hydrate($row);
             DutyRosterPeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined DutyPlace rows
         $key2 = DutyPlacePeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = DutyPlacePeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $omClass = DutyPlacePeer::getOMClass();
                 $cls = substr('.' . $omClass, strrpos('.' . $omClass, '.') + 1);
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 DutyPlacePeer::addInstanceToPool($obj2, $key2);
             }
             // if $obj2 already loaded
             // Add the $obj1 (DutyRoster) to the collection in $obj2 (DutyPlace)
             $obj2->addDutyRoster($obj1);
         }
         // if joined row is not null
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }