/// <summary> /// Filters documents where a specific field has a value in them. /// </summary> public BaseFilter Exists(string field) { var filter = new ExistsFilter { Field = field }; this.SetCacheAndName(filter); return(this.New(filter, f => f.ExistsFilter = filter)); }
/// <summary> /// Filters documents where a specific field has a value in them. /// </summary> public BaseFilter Exists(Expression <Func <T, object> > fieldDescriptor) { var filter = new ExistsFilter { Field = fieldDescriptor }; this.SetCacheAndName(filter); return(this.New(filter, f => f.ExistsFilter = filter)); }