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