addSql('ALTER TABLE contrats ALTER is_signed SET DEFAULT false'); $this->addSql('UPDATE contrats SET is_signed = false WHERE is_signed IS NULL'); $this->addSql('ALTER TABLE contrats ALTER is_signed SET NOT NULL'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE contrats ALTER is_signed DROP DEFAULT'); $this->addSql('ALTER TABLE contrats ALTER is_signed DROP NOT NULL'); } }