addSql('ALTER TABLE assignment ADD pickup_date_and_time DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\', DROP pickup_date'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE assignment ADD pickup_date DATE NOT NULL COMMENT \'(DC2Type:date_immutable)\', DROP pickup_date_and_time'); } }