diff -r 000000000000 -r 7f95f8617b0b vendor/doctrine/lib/Doctrine/ORM/Query/Exec/MultiTableUpdateExecutor.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine/lib/Doctrine/ORM/Query/Exec/MultiTableUpdateExecutor.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,169 @@
+<?php
+/*
+ * 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\Query\Exec;
+
+use Doctrine\DBAL\Connection,
+    Doctrine\DBAL\Types\Type,
+    Doctrine\ORM\Query\AST;
+
+/**
+ * Executes the SQL statements for bulk DQL UPDATE statements on classes in
+ * Class Table Inheritance (JOINED).
+ *
+ * @author Roman Borschel <roman@code-factory.org>
+ * @since 2.0
+ */
+class MultiTableUpdateExecutor extends AbstractSqlExecutor
+{
+    private $_createTempTableSql;
+    private $_dropTempTableSql;
+    private $_insertSql;
+    private $_sqlParameters = array();
+    private $_numParametersInUpdateClause = 0;
+
+    /**
+     * Initializes a new <tt>MultiTableUpdateExecutor</tt>.
+     *
+     * @param Node $AST The root AST node of the DQL query.
+     * @param SqlWalker $sqlWalker The walker used for SQL generation from the AST.
+     * @internal Any SQL construction and preparation takes place in the constructor for
+     *           best performance. With a query cache the executor will be cached.
+     */
+    public function __construct(AST\Node $AST, $sqlWalker)
+    {
+        $em = $sqlWalker->getEntityManager();
+        $conn = $em->getConnection();
+        $platform = $conn->getDatabasePlatform();
+
+        $updateClause = $AST->updateClause;
+
+        $primaryClass = $sqlWalker->getEntityManager()->getClassMetadata($updateClause->abstractSchemaName);
+        $rootClass = $em->getClassMetadata($primaryClass->rootEntityName);
+
+        $updateItems = $updateClause->updateItems;
+
+        $tempTable = $platform->getTemporaryTableName($rootClass->getTemporaryIdTableName());
+        $idColumnNames = $rootClass->getIdentifierColumnNames();
+        $idColumnList = implode(', ', $idColumnNames);
+
+        // 1. Create an INSERT INTO temptable ... SELECT identifiers WHERE $AST->getWhereClause()
+        $sqlWalker->setSQLTableAlias($primaryClass->table['name'], 't0', $updateClause->aliasIdentificationVariable);
+
+        $this->_insertSql = 'INSERT INTO ' . $tempTable . ' (' . $idColumnList . ')'
+                . ' SELECT t0.' . implode(', t0.', $idColumnNames);
+
+        $rangeDecl = new AST\RangeVariableDeclaration($primaryClass->name, $updateClause->aliasIdentificationVariable);
+        $fromClause = new AST\FromClause(array(new AST\IdentificationVariableDeclaration($rangeDecl, null, array())));
+
+        $this->_insertSql .= $sqlWalker->walkFromClause($fromClause);
+
+        // 2. Create ID subselect statement used in UPDATE ... WHERE ... IN (subselect)
+        $idSubselect = 'SELECT ' . $idColumnList . ' FROM ' . $tempTable;
+
+        // 3. Create and store UPDATE statements
+        $classNames = array_merge($primaryClass->parentClasses, array($primaryClass->name), $primaryClass->subClasses);
+        $i = -1;
+        
+        foreach (array_reverse($classNames) as $className) {
+            $affected = false;
+            $class = $em->getClassMetadata($className);
+            $updateSql = 'UPDATE ' . $class->getQuotedTableName($platform) . ' SET ';
+
+            foreach ($updateItems as $updateItem) {
+                $field = $updateItem->pathExpression->field;
+                
+                if (isset($class->fieldMappings[$field]) && ! isset($class->fieldMappings[$field]['inherited']) ||
+                    isset($class->associationMappings[$field]) && ! isset($class->associationMappings[$field]['inherited'])) {
+                    $newValue = $updateItem->newValue;
+                    
+                    if ( ! $affected) {
+                        $affected = true;
+                        ++$i;
+                    } else {
+                        $updateSql .= ', ';
+                    }
+                    
+                    $updateSql .= $sqlWalker->walkUpdateItem($updateItem);
+                    
+                    //FIXME: parameters can be more deeply nested. traverse the tree.
+                    //FIXME (URGENT): With query cache the parameter is out of date. Move to execute() stage.
+                    if ($newValue instanceof AST\InputParameter) {
+                        $paramKey = $newValue->name;
+                        $this->_sqlParameters[$i][] = $sqlWalker->getQuery()->getParameter($paramKey);
+                        
+                        ++$this->_numParametersInUpdateClause;
+                    }
+                }
+            }
+
+            if ($affected) {
+                $this->_sqlStatements[$i] = $updateSql . ' WHERE (' . $idColumnList . ') IN (' . $idSubselect . ')';
+            }
+        }
+        
+        // Append WHERE clause to insertSql, if there is one.
+        if ($AST->whereClause) {
+            $this->_insertSql .= $sqlWalker->walkWhereClause($AST->whereClause);
+        }
+        
+        // 4. Store DDL for temporary identifier table.
+        $columnDefinitions = array();
+
+        foreach ($idColumnNames as $idColumnName) {
+            $columnDefinitions[$idColumnName] = array(
+                'notnull' => true,
+                'type' => Type::getType($rootClass->getTypeOfColumn($idColumnName))
+            );
+        }
+        
+        $this->_createTempTableSql = $platform->getCreateTemporaryTableSnippetSQL() . ' ' . $tempTable . ' ('
+                . $platform->getColumnDeclarationListSQL($columnDefinitions) . ')';
+        
+        $this->_dropTempTableSql = 'DROP TABLE ' . $tempTable;
+    }
+
+    /**
+     * Executes all SQL statements.
+     *
+     * @param Connection $conn The database connection that is used to execute the queries.
+     * @param array $params The parameters.
+     * @override
+     */
+    public function execute(Connection $conn, array $params, array $types)
+    {
+        $numUpdated = 0;
+
+        // Create temporary id table
+        $conn->executeUpdate($this->_createTempTableSql);
+
+        // Insert identifiers. Parameters from the update clause are cut off.
+        $numUpdated = $conn->executeUpdate($this->_insertSql, array_slice($params, $this->_numParametersInUpdateClause), $types);
+
+        // Execute UPDATE statements
+        for ($i=0, $count=count($this->_sqlStatements); $i<$count; ++$i) {
+            $conn->executeUpdate($this->_sqlStatements[$i], isset($this->_sqlParameters[$i]) ? $this->_sqlParameters[$i] : array());
+        }
+
+        // Drop temporary table
+        $conn->executeUpdate($this->_dropTempTableSql);
+
+        return $numUpdated;
+    }
+}
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