InfluxDB: Support more than 10 series name segments when using alias …

…patterns, Closes #1126

CHANGELOG.md

@@ -3,6 +3,7 @@
 **Enhancements**
 - [Issue #1028](https://github.com/grafana/grafana/issues/1028). Graph: New legend option ``hideEmtpy`` to hide series with only null values from legend
 - [Issue #1242](https://github.com/grafana/grafana/issues/1242). OpenTSDB: Downsample query field now supports interval template variable
+- [Issue #1126](https://github.com/grafana/grafana/issues/1126). InfluxDB: Support more than 10 series name segments when using alias ``$number`` patterns
 
 **Fixes**
 - [Issue #1199](https://github.com/grafana/grafana/issues/1199). Graph: fix for series tooltip when one series is hidden/disabled

src/app/services/influxdb/influxSeries.js

@@ -106,21 +106,23 @@ function (_) {
   };
 
   p.createNameForSeries = function(seriesName, groupByColValue) {
-    var name = this.alias
-      .replace('$s', seriesName);
-
+    var regex = /\$(\w+)/g;
     var segments = seriesName.split('.');
-    for (var i = 0; i < segments.length; i++) {
-      if (segments[i].length > 0) {
-        name = name.replace('$' + i, segments[i]);
-      }
-    }
 
-    if (this.groupByField) {
-      name = name.replace('$g', groupByColValue);
-    }
+    return this.alias.replace(regex, function(match, group) {
+      if (group === 's') {
+        return seriesName;
+      }
+      else if (group === 'g') {
+        return groupByColValue;
+      }
+      var index = parseInt(group);
+      if (_.isNumber(index) && index < segments.length) {
+        return segments[index];
+      }
+      return match;
+    });
 
-    return name;
   };
 
   return InfluxSeries;

src/test/specs/influxSeries-specs.js

@@ -80,6 +80,27 @@ define([
 
     });
 
+    describe('given an alias format and many segments', function() {
+      var series = new InfluxSeries({
+        seriesList: [
+          {
+            columns: ['time', 'mean', 'sequence_number'],
+            name: 'a0.a1.a2.a3.a4.a5.a6.a7.a8.a9.a10.a11.a12',
+            points: [[1402596000, 10, 1], [1402596001, 12, 2]]
+          }
+        ],
+        alias: '$5.$11.mean'
+      });
+
+      var result = series.getTimeSeries();
+
+      it('should generate correct series name', function() {
+        expect(result[0].target).to.be('a5.a11.mean');
+      });
+
+    });
+
+
     describe('given an alias format with group by field', function() {
       var series = new InfluxSeries({
         seriesList: [