abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.'); $this->addSql('ALTER TABLE sources_to_sources_lists DROP PRIMARY KEY'); $this->addSql('ALTER TABLE sources_to_sources_lists ADD PRIMARY KEY (source_list_id, source_id)'); } /** * @param Schema $schema */ public function down(Schema $schema) { // this down() migration is auto-generated, please modify it to your needs $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.'); $this->addSql('ALTER TABLE sources_to_sources_lists DROP PRIMARY KEY'); $this->addSql('ALTER TABLE sources_to_sources_lists ADD PRIMARY KEY (source_id, source_list_id)'); } }