[AttributeValue] Add migration file

app/migrations/Version20170109143010.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Sylius\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * @author Grzegorz Sadowski <grzegorz.sadowski@lakion.com>
+ */
+class Version20170109143010 extends AbstractMigration implements ContainerAwareInterface
+{
+    /**
+     * @var ContainerInterface
+     */
+    private $container;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setContainer(ContainerInterface $container = null)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema)
+    {
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() != 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+
+        $defaultLocale = $this->container->getParameter('locale');
+
+        $this->addSql('ALTER TABLE sylius_product_attribute_value ADD locale_code VARCHAR(255) NOT NULL');
+        $this->addSql('UPDATE sylius_product_attribute_value SET locale_code = "'.$defaultLocale.'"');
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema)
+    {
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() != 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+
+        $this->addSql('ALTER TABLE sylius_product_attribute_value DROP locale_code');
+    }
+}