Rajout de doctrine/orm

[zf2.biz/application_blanche.git] / vendor / doctrine / orm / lib / Doctrine / ORM / Query / AST / Functions / SizeFunction.php

diff --git a/vendor/doctrine/orm/lib/Doctrine/ORM/Query/AST/Functions/SizeFunction.php b/vendor/doctrine/orm/lib/Doctrine/ORM/Query/AST/Functions/SizeFunction.php
new file mode 100644 (file)
index 0000000..bffff29
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+++ b/vendor/doctrine/orm/lib/Doctrine/ORM/Query/AST/Functions/SizeFunction.php
@@ -0,0 +1,121 @@
+<?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 MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+use Doctrine\ORM\Query\Lexer;
+
+/**
+ * "SIZE" "(" CollectionValuedPathExpression ")"
+ *
+ * 
+ * @link    www.doctrine-project.org
+ * @since   2.0
+ * @author  Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author  Jonathan Wage <jonwage@gmail.com>
+ * @author  Roman Borschel <roman@code-factory.org>
+ * @author  Benjamin Eberlei <kontakt@beberlei.de>
+ */
+class SizeFunction extends FunctionNode
+{
+    public $collectionPathExpression;
+
+    /**
+     * @override
+     * @todo If the collection being counted is already joined, the SQL can be simpler (more efficient).
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        $platform       = $sqlWalker->getEntityManager()->getConnection()->getDatabasePlatform();
+        $quoteStrategy  = $sqlWalker->getEntityManager()->getConfiguration()->getQuoteStrategy();
+        $dqlAlias       = $this->collectionPathExpression->identificationVariable;
+        $assocField     = $this->collectionPathExpression->field;
+
+        $qComp  = $sqlWalker->getQueryComponent($dqlAlias);
+        $class  = $qComp['metadata'];
+        $assoc  = $class->associationMappings[$assocField];
+        $sql    = 'SELECT COUNT(*) FROM ';
+
+        if ($assoc['type'] == \Doctrine\ORM\Mapping\ClassMetadata::ONE_TO_MANY) {
+            $targetClass        = $sqlWalker->getEntityManager()->getClassMetadata($assoc['targetEntity']);
+            $targetTableAlias   = $sqlWalker->getSQLTableAlias($targetClass->getTableName());
+            $sourceTableAlias   = $sqlWalker->getSQLTableAlias($class->getTableName(), $dqlAlias);
+
+            $sql .= $quoteStrategy->getTableName($targetClass, $platform) . ' ' . $targetTableAlias . ' WHERE ';
+
+            $owningAssoc = $targetClass->associationMappings[$assoc['mappedBy']];
+
+            $first = true;
+
+            foreach ($owningAssoc['targetToSourceKeyColumns'] as $targetColumn => $sourceColumn) {
+                if ($first) $first = false; else $sql .= ' AND ';
+
+                $sql .= $targetTableAlias . '.' . $sourceColumn
+                      . ' = '
+                      . $sourceTableAlias . '.' . $quoteStrategy->getColumnName($class->fieldNames[$targetColumn], $class, $platform);
+            }
+        } else { // many-to-many
+            $targetClass = $sqlWalker->getEntityManager()->getClassMetadata($assoc['targetEntity']);
+
+            $owningAssoc = $assoc['isOwningSide'] ? $assoc : $targetClass->associationMappings[$assoc['mappedBy']];
+            $joinTable = $owningAssoc['joinTable'];
+
+            // SQL table aliases
+            $joinTableAlias = $sqlWalker->getSQLTableAlias($joinTable['name']);
+            $sourceTableAlias = $sqlWalker->getSQLTableAlias($class->getTableName(), $dqlAlias);
+
+            // join to target table
+            $sql .= $quoteStrategy->getJoinTableName($owningAssoc, $targetClass, $platform) . ' ' . $joinTableAlias . ' WHERE ';
+
+            $joinColumns = $assoc['isOwningSide']
+                ? $joinTable['joinColumns']
+                : $joinTable['inverseJoinColumns'];
+
+            $first = true;
+
+            foreach ($joinColumns as $joinColumn) {
+                if ($first) $first = false; else $sql .= ' AND ';
+
+                $sourceColumnName = $quoteStrategy->getColumnName(
+                    $class->fieldNames[$joinColumn['referencedColumnName']], $class, $platform
+                );
+
+                $sql .= $joinTableAlias . '.' . $joinColumn['name']
+                      . ' = '
+                      . $sourceTableAlias . '.' . $sourceColumnName;
+            }
+        }
+
+        return '(' . $sql . ')';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $parser->match(Lexer::T_IDENTIFIER);
+        $parser->match(Lexer::T_OPEN_PARENTHESIS);
+
+        $this->collectionPathExpression = $parser->CollectionValuedPathExpression();
+
+        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
+    }
+}
+