Dart APIunself_local_databaseCollectionOrmid id property Null safety String id Collection Id for reference Implementation String get id => actualTableName; unself_local_database unself_local_database CollectionOrm<D> id property CollectionOrm class Constructors CollectionOrm Properties $columns $primaryKey actualTableName aliasedName asDslTable attachedDatabase columnsByName customConstraints dontWriteConstraints entityName hashCode id isStrict primaryKey runtimeType tableName uniqueKeys withoutRowId Methods blob boolean createAlias dateTime int64 integer intEnum map mapFromCompanion noSuchMethod real text textEnum toString validateIntegrity Operators operator ==