[DBAL-222] Add SQL Azure Platform - currently only with Federations support.

lib/Doctrine/DBAL/Platforms/SQLAzurePlatform.php

+<?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\DBAL\Platforms;
+
+use Doctrine\DBAL\Schema\Table;
+
+/**
+ * Platform to ensure compatibility of Doctrine with SQL Azure
+ *
+ * On top of SQL Server 2008 the following functionality is added:
+ *
+ * - Create tables with the FEDERATED ON syntax.
+ */
+class SQLAzurePlatform extends SQLServer2008Platform
+{
+    public function getCreateTableSQL(Table $table, $createFlags=self::CREATE_INDEXES)
+    {
+        $sql = parent::getCreateTableSQL($table, $createFlags);
+
+        if ($table->hasOption('azure.federatedOnDistributionName')) {
+            $distributionName = $table->getOption('azure.federatedOnDistributionName');
+            $columnName = $table->getOption('azure.federatedOnColumnName');
+            $stmt = ' FEDERATED ON (' . $distributionName . ' = ' . $columnName . ')';
+
+            $sql[0] = $sql[0] . $stmt;
+        }
+        return $sql;
+    }
+}
+

tests/Doctrine/Tests/DBAL/Platforms/SQLAzurePlatformTest.php

+<?php
+
+namespace Doctrine\Tests\DBAL\Platforms;
+
+use Doctrine\Tests\DbalTestCase;
+
+/**
+ * @group DBAL-222
+ */
+class SQLAzurePlatformTest extends DbalTestCase
+{
+    private $platform;
+
+    public function setUp()
+    {
+        $this->platform = new \Doctrine\DBAL\Platforms\SQLAzurePlatform();
+    }
+
+    public function testCreateFederatedOnTable()
+    {
+        $table = new \Doctrine\DBAL\Schema\Table("tbl");
+        $table->addColumn("id", "integer");
+        $table->addOption('azure.federatedOnDistributionName', 'TblId');
+        $table->addOption('azure.federatedOnColumnName', 'id');
+
+        $this->assertEquals(array('CREATE TABLE tbl (id INT NOT NULL) FEDERATED ON (TblId = id)'), $this->platform->getCreateTableSQL($table));
+    }
+}
+