orderBy method
Implementation
Query orderBy(String fieldPath, String directionStr) {
Validater.isFieldPath(fieldPath);
Validater.isFieldOrder(directionStr);
var newOrder = QueryOrder(field: fieldPath, direction: directionStr);
List<QueryOrder> newOrders = List.from(_fieldOrders!);
newOrders.add(newOrder);
return Query(
core: _core,
coll: _coll,
fieldFilters: _fieldFilters,
fieldOrders: newOrders,
queryOptions: _queryOptions,
);
}