+ $entryTable = $schema->getTable($this->getTable('entry'));
+
+ $this->skipIf(!$entryTable->hasColumn('http_status'), 'It seems that you already played this migration.');
+
+ $entryTable->dropColumn('http_status');
+ }
+
+ private function getTable($tableName)
+ {
+ return $this->container->getParameter('database_table_prefix') . $tableName;