public function down(Schema $schema)
{
// this down() migration is autogenerated, please modify it to your needs
$this->abortIf($this->connection->getDatabasePlatform()->getName() != "mysql");
$this->addSql("DROP TABLE activities");
$this->addSql("ALTER TABLE bundle ADD lastCommits LONGTEXT NOT NULL, ADD tags LONGTEXT NOT NULL");
$this->addSql("ALTER TABLE owner DROP lastCommitAt");
}