Store series and field names to avoid repeated cell allocations

Author: Enric Sala

influxdb-client/QueryResult.m

@@ -1,22 +1,20 @@
 classdef QueryResult < handle
 
     properties(Access = private)
-        Series;
+        Names, Series
     end
 
     methods
         % Constructor
         function obj = QueryResult(series)
+            obj.Names = arrayfun(@(x) x.name(), series, ...
+                'UniformOutput', false)';
             obj.Series = series;
         end
 
         % List names of the series
         function names = names(obj)
-            N = length(obj.Series);
-            names = cell(1, N);
-            for i = 1:N
-                names{i} = obj.Series(i).name();
-            end
+            names = obj.Names;
         end
 
         % Check if the result contains these series

influxdb-client/SeriesResult.m

@@ -1,7 +1,7 @@
 classdef SeriesResult < handle
 
     properties(Access = private)
-        Name, Time, Tags, Values;
+        Name, Time, Tags, Fields, Values
     end
 
     methods
@@ -10,6 +10,7 @@
             obj.Name = name;
             obj.Time = time;
             obj.Tags = tags;
+            obj.Fields = {values.field};
             obj.Values = values;
         end
 
@@ -33,7 +34,7 @@
 
         % List fields
         function fields = fields(obj)
-            fields = {obj.Values.field};
+            fields = obj.Fields;
         end
 
         % Check if the result contains these fields