export abstract class BaseCollection extends BaseEntity {
@CreateDateColumn({ type: 'timestamp', default: () => 'LOCALTIMESTAMP' })
createDate: string;
@UpdateDateColumn({ type: 'timestamp', name: 'update_date', default: () => 'LOCALTIMESTAMP' })
updateDate: string;
@VersionColumn({ name: 'data_version' })
dataVersion: number;
}