<?php declare(strict_types=1); namespace DoctrineMigrations; use Doctrine\DBAL\Schema\Schema; use Doctrine\Migrations\AbstractMigration; final class Version20160324011937 extends AbstractMigration { public function up(Schema $schema): void { $this->abortIf($this->connection->getDatabasePlatform()->getName() != 'postgresql', 'Migration can only be executed safely on \'postgresql\'.'); $this->addSql('ALTER TABLE posts.posts ALTER updated_at DROP NOT NULL'); } public function down(Schema $schema): void { $this->abortIf($this->connection->getDatabasePlatform()->getName() != 'postgresql', 'Migration can only be executed safely on \'postgresql\'.'); $this->addSql('ALTER TABLE posts.posts ALTER updated_at SET NOT NULL'); } }