count method
Get query result count
Implementation
Future<int?> count() async {
assert(_partition.length != 0);
LinkedHashMap<dynamic, dynamic> map =
await _channel.invokeMethod(Action.count.name, <String, dynamic>{
'query': query,
'limit': _limit,
'sorted': _sorted == null ? null : _sorted!.sortArray(),
'type': T.toString(),
'identity': _syncUser.identity,
'appId': _appId,
'partition': _partition,
});
if (map["error"] != null) {
throw Exception("fetch list finished with exception ${map["error"]}");
}
int? count = map["count"];
return count;
}