addSql('DROP TABLE IF EXISTS notification'); } public function down(Schema $schema): void { $this->addSql(<<<'SQL' CREATE TABLE notification ( id SERIAL PRIMARY KEY, user_id INT NOT NULL REFERENCES "user"(id), message VARCHAR(255) NOT NULL, is_read BOOLEAN NOT NULL DEFAULT FALSE, created_at TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL ) SQL); $this->addSql('COMMENT ON COLUMN notification.created_at IS \'(DC2Type:datetime_immutable)\''); } }