$this->addSql('CREATE TABLE part_association (id INT AUTO_INCREMENT NOT NULL, owner_id INT NOT NULL, other_id INT NOT NULL, type SMALLINT NOT NULL, other_type VARCHAR(255) DEFAULT NULL, comment LONGTEXT DEFAULT NULL, last_modified DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, datetime_added DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, INDEX IDX_61B952E07E3C61F9 (owner_id), INDEX IDX_61B952E0998D9879 (other_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');