addSql('ALTER TABLE facility ADD season_id INT DEFAULT NULL'); $this->addSql('ALTER TABLE facility ADD CONSTRAINT FK_105994B24EC001D1 FOREIGN KEY (season_id) REFERENCES season (id)'); $this->addSql('CREATE INDEX IDX_105994B24EC001D1 ON facility (season_id)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE facility DROP FOREIGN KEY FK_105994B24EC001D1'); $this->addSql('DROP INDEX IDX_105994B24EC001D1 ON facility'); $this->addSql('ALTER TABLE facility DROP season_id'); } }