/**
  * Reloads this object from datastore based on primary key and (optionally) resets all associated objects.
  *
  * This will only work if the object has been saved and has a valid primary key set.
  *
  * @param      boolean $deep (optional) Whether to also de-associated any related objects.
  * @param      PropelPDO $con (optional) The PropelPDO connection to use.
  * @return     void
  * @throws     PropelException - if this object is deleted, unsaved or doesn't have pk match in db
  */
 public function reload($deep = false, PropelPDO $con = null)
 {
     if ($this->isDeleted()) {
         throw new PropelException("Cannot reload a deleted object.");
     }
     if ($this->isNew()) {
         throw new PropelException("Cannot reload an unsaved object.");
     }
     if ($con === null) {
         $con = Propel::getConnection(categoryKuserPeer::DATABASE_NAME, Propel::CONNECTION_READ);
     }
     // We don't need to alter the object instance pool; we're just modifying this instance
     // already in the pool.
     categoryKuserPeer::setUseCriteriaFilter(false);
     $stmt = categoryKuserPeer::doSelectStmt($this->buildPkeyCriteria(), $con);
     categoryKuserPeer::setUseCriteriaFilter(true);
     $row = $stmt->fetch(PDO::FETCH_NUM);
     $stmt->closeCursor();
     if (!$row) {
         throw new PropelException('Cannot find matching row in the database to reload object values.');
     }
     $this->hydrate($row, 0, true);
     // rehydrate
     if ($deep) {
         // also de-associate any related objects?
         $this->acategory = null;
         $this->akuser = null;
     }
     // if (deep)
 }
 /**
  * Selects a collection of categoryKuser 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 categoryKuser 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()) {
         $criteria->setDbName(self::DATABASE_NAME);
     }
     categoryKuserPeer::addSelectColumns($criteria);
     $startcol2 = categoryKuserPeer::NUM_COLUMNS - categoryKuserPeer::NUM_LAZY_LOAD_COLUMNS;
     categoryPeer::addSelectColumns($criteria);
     $startcol3 = $startcol2 + (categoryPeer::NUM_COLUMNS - categoryPeer::NUM_LAZY_LOAD_COLUMNS);
     kuserPeer::addSelectColumns($criteria);
     $startcol4 = $startcol3 + (kuserPeer::NUM_COLUMNS - kuserPeer::NUM_LAZY_LOAD_COLUMNS);
     $criteria->addJoin(categoryKuserPeer::CATEGORY_ID, categoryPeer::ID, $join_behavior);
     $criteria->addJoin(categoryKuserPeer::KUSER_ID, kuserPeer::ID, $join_behavior);
     $stmt = categoryKuserPeer::doSelectStmt($criteria, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = categoryKuserPeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = categoryKuserPeer::getInstanceFromPool($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 = categoryKuserPeer::getOMClass(false);
             $obj1 = new $cls();
             $obj1->hydrate($row);
             categoryKuserPeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined category rows
         $key2 = categoryPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = categoryPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $cls = categoryPeer::getOMClass(false);
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 categoryPeer::addInstanceToPool($obj2, $key2);
             }
             // if obj2 loaded
             // Add the $obj1 (categoryKuser) to the collection in $obj2 (category)
             $obj2->addcategoryKuser($obj1);
         }
         // if joined row not null
         // Add objects for joined kuser rows
         $key3 = kuserPeer::getPrimaryKeyHashFromRow($row, $startcol3);
         if ($key3 !== null) {
             $obj3 = kuserPeer::getInstanceFromPool($key3);
             if (!$obj3) {
                 $cls = kuserPeer::getOMClass(false);
                 $obj3 = new $cls();
                 $obj3->hydrate($row, $startcol3);
                 kuserPeer::addInstanceToPool($obj3, $key3);
             }
             // if obj3 loaded
             // Add the $obj1 (categoryKuser) to the collection in $obj3 (kuser)
             $obj3->addcategoryKuser($obj1);
         }
         // if joined row not null
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }