1 files changed, 3 insertions, 2 deletions

diff --git a/app/DoctrineMigrations/Version20161024212538.php b/app/DoctrineMigrations/Version20161024212538.php
index f8e927e4..ced3a802 100644
--- a/app/DoctrineMigrations/Version20161024212538.php
+++ b/app/DoctrineMigrations/Version20161024212538.php
@@ -21,7 +21,7 @@ class Version20161024212538 extends AbstractMigration implements ContainerAwareI
 
     private function getTable($tableName)
     {
-        return $this->container->getParameter('database_table_prefix') . $tableName;
+        return $this->container->getParameter('database_table_prefix').$tableName;
     }
 
     /**
@@ -31,6 +31,8 @@ class Version20161024212538 extends AbstractMigration implements ContainerAwareI
     {
         $this->skipIf($this->connection->getDatabasePlatform()->getName() == 'sqlite', 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
 
+        $this->skipIf($schema->getTable($this->getTable('oauth2_clients'))->hasColumn('user_id'), 'It seems that you already played this migration.');
+
         $this->addSql('ALTER TABLE '.$this->getTable('oauth2_clients').' ADD user_id INT(11) DEFAULT NULL');
         $this->addSql('ALTER TABLE '.$this->getTable('oauth2_clients').' ADD CONSTRAINT FK_clients_user_clients FOREIGN KEY (user_id) REFERENCES '.$this->getTable('user').' (id) ON DELETE CASCADE');
     }
@@ -40,6 +42,5 @@ class Version20161024212538 extends AbstractMigration implements ContainerAwareI
      */
     public function down(Schema $schema)
     {
-
     }
 }