diff -r 000000000000 -r 7f95f8617b0b vendor/doctrine/lib/Doctrine/ORM/Persisters/OneToManyPersister.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine/lib/Doctrine/ORM/Persisters/OneToManyPersister.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,185 @@
+<?php
+/*
+ *  $Id$
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Persisters;
+
+use Doctrine\ORM\PersistentCollection,
+    Doctrine\ORM\UnitOfWork;
+
+/**
+ * Persister for one-to-many collections.
+ *
+ * IMPORTANT:
+ * This persister is only used for uni-directional one-to-many mappings on a foreign key
+ * (which are not yet supported). So currently this persister is not used.
+ *
+ * @since 2.0
+ * @author Roman Borschel <roman@code-factory.org>
+ * @todo Remove
+ */
+class OneToManyPersister extends AbstractCollectionPersister
+{
+    /**
+     * Generates the SQL UPDATE that updates a particular row's foreign
+     * key to null.
+     *
+     * @param PersistentCollection $coll
+     * @return string
+     * @override
+     */
+    protected function _getDeleteRowSQL(PersistentCollection $coll)
+    {
+        $mapping = $coll->getMapping();
+        $targetClass = $this->_em->getClassMetadata($mapping->getTargetEntityName());
+        $table = $targetClass->getTableName();
+
+        $ownerMapping = $targetClass->getAssociationMapping($mapping['mappedBy']);
+
+        $setClause = '';
+        foreach ($ownerMapping->sourceToTargetKeyColumns as $sourceCol => $targetCol) {
+            if ($setClause != '') $setClause .= ', ';
+            $setClause .= "$sourceCol = NULL";
+        }
+
+        $whereClause = '';
+        foreach ($targetClass->getIdentifierColumnNames() as $idColumn) {
+            if ($whereClause != '') $whereClause .= ' AND ';
+            $whereClause .= "$idColumn = ?";
+        }
+
+        return array("UPDATE $table SET $setClause WHERE $whereClause", $this->_uow->getEntityIdentifier($element));
+    }
+
+    protected function _getInsertRowSQL(PersistentCollection $coll)
+    {
+        return "UPDATE xxx SET foreign_key = yyy WHERE foreign_key = zzz";
+    }
+
+    /* Not used for OneToManyPersister */
+    protected function _getUpdateRowSQL(PersistentCollection $coll)
+    {
+        return;
+    }
+
+    /**
+     * Generates the SQL UPDATE that updates all the foreign keys to null.
+     *
+     * @param PersistentCollection $coll
+     */
+    protected function _getDeleteSQL(PersistentCollection $coll)
+    {
+
+    }
+
+    /**
+     * Gets the SQL parameters for the corresponding SQL statement to delete
+     * the given collection.
+     *
+     * @param PersistentCollection $coll
+     */
+    protected function _getDeleteSQLParameters(PersistentCollection $coll)
+    {}
+
+    /**
+     * Gets the SQL parameters for the corresponding SQL statement to insert the given
+     * element of the given collection into the database.
+     *
+     * @param PersistentCollection $coll
+     * @param mixed $element
+     */
+    protected function _getInsertRowSQLParameters(PersistentCollection $coll, $element)
+    {}
+
+    /**
+     * Gets the SQL parameters for the corresponding SQL statement to delete the given
+     * element from the given collection.
+     *
+     * @param PersistentCollection $coll
+     * @param mixed $element
+     */
+    protected function _getDeleteRowSQLParameters(PersistentCollection $coll, $element)
+    {}
+
+    /**
+     * {@inheritdoc}
+     */
+    public function count(PersistentCollection $coll)
+    {
+        $mapping = $coll->getMapping();
+        $targetClass = $this->_em->getClassMetadata($mapping['targetEntity']);
+        $sourceClass = $this->_em->getClassMetadata($mapping['sourceEntity']);
+
+        $params = array();
+        $id = $this->_em->getUnitOfWork()->getEntityIdentifier($coll->getOwner());
+
+        $where = '';
+        foreach ($targetClass->associationMappings[$mapping['mappedBy']]['joinColumns'] AS $joinColumn) {
+            if ($where != '') {
+                $where .= ' AND ';
+            }
+            $where .= $joinColumn['name'] . " = ?";
+            if ($targetClass->containsForeignIdentifier) {
+                $params[] = $id[$sourceClass->getFieldForColumn($joinColumn['referencedColumnName'])];
+            } else {
+                $params[] = $id[$sourceClass->fieldNames[$joinColumn['referencedColumnName']]];
+            }
+        }
+
+        $sql = "SELECT count(*) FROM " . $targetClass->getQuotedTableName($this->_conn->getDatabasePlatform()) . " WHERE " . $where;
+        return $this->_conn->fetchColumn($sql, $params);
+    }
+
+    /**
+     * @param PersistentCollection $coll
+     * @param int $offset
+     * @param int $length
+     * @return \Doctrine\Common\Collections\ArrayCollection
+     */
+    public function slice(PersistentCollection $coll, $offset, $length = null)
+    {
+        $mapping = $coll->getMapping();
+        return $this->_em->getUnitOfWork()
+                  ->getEntityPersister($mapping['targetEntity'])
+                  ->getOneToManyCollection($mapping, $coll->getOwner(), $offset, $length);
+    }
+
+    /**
+     * @param PersistentCollection $coll
+     * @param object $element
+     */
+    public function contains(PersistentCollection $coll, $element)
+    {
+        $mapping = $coll->getMapping();
+        $uow = $this->_em->getUnitOfWork();
+        
+        // shortcut for new entities
+        if ($uow->getEntityState($element, UnitOfWork::STATE_NEW) == UnitOfWork::STATE_NEW) {
+            return false;
+        }
+
+        // only works with single id identifier entities. Will throw an exception in Entity Persisters
+        // if that is not the case for the 'mappedBy' field.
+        $id = current( $uow->getEntityIdentifier($coll->getOwner()) );
+
+        return $uow->getEntityPersister($mapping['targetEntity'])
+                   ->exists($element, array($mapping['mappedBy'] => $id));
+    }
+}