Support time series panels with PQs (#81)

* Support time series panels with PQs

* Lint issues

* Lint issues

* Test update

Author: yanscalyr

dist/README.md

@@ -35,7 +35,7 @@ can find documentation on API Keys [here](https://www.scalyr.com/help/api#scalyr
 
    ```bash
    grafana-cli --pluginUrl \
-   https://github.com/scalyr/scalyr-grafana-datasource-plugin/releases/download/2.3.5/scalyr_grafana_plugin_2a30795.zip \
+   https://github.com/scalyr/scalyr-grafana-datasource-plugin/releases/download/2.3.6/scalyr_grafana_plugin_3243979.zip \
    plugins install scalyr-datasource
    ```
 

dist/module.js

@@ -364,6 +364,16 @@ export class GenericDatasource {
     const cloneData = _.clone(data);
     cloneData.columns.map((col) => {col.text = col.name; return col;});
 
+    cloneData.columns.forEach((col, index) => {
+      if (col.text === "timestamp") {
+        col.text = "time";
+        col.name = "time";
+        cloneData.values.forEach((value) => {
+          value[index] = Number(value[index]) / 1000000;
+        });
+      }
+    });
+
     return {
       data : [{
         type: this.visualizationType.TABLE,

src/datasource.js

@@ -140,6 +140,29 @@ describe('Scalyr datasource tests', () => {
     });
   });
 
+  describe('Power queries timeseries', () => {
+    let results;
+    beforeEach(() => {
+      results = {
+        columns: [{name: 'col1'}, {name: 'col2'}, {name: 'timestamp'}],
+        warnings: [],
+        values: [['r1', 1, 1640732355000000000]]
+      };
+    });
+
+    it('Should transform power query results to table', () => {
+      const transformedResults = datasource.transformPowerQueryDataToTable(results).data;
+      expect(transformedResults.length).toBe(1);
+      const resultEntry = transformedResults[0];
+      expect(resultEntry.columns.length).toBe(3);
+      expect(resultEntry.columns.some(x => x.text === 'col1')).toBeTruthy();
+      expect(resultEntry.columns.some(x => x.text === 'time')).toBeTruthy();
+      expect(resultEntry.rows.length).toBe(results.values.length);
+      expect(resultEntry.rows.every(x => x.length === 3)).toBeTruthy();
+      expect(resultEntry.rows.some(x => x[2] === 1640732355000)).toBeTruthy();
+    });
+  });
+
   describe('Annotation queries', () => {
     let results;
     beforeEach(() => {