fix missing column

src/services/exporter.ts

@@ -63,25 +63,29 @@ export class Exporter {
       console.log(`Total days: ${days}`);
 
       const stream = this._initCsvStream();
-      console.log("queryConfigs", queryConfigs);
+      
       for(let day = 0; day < days; day++) {
         to = from + MS_IN_DAY;
 
         console.log(`${day} day: ${from}ms -> ${to}ms`);
 
-        let columns = [];
+        let metricColumns = [];
+        let keyColumn;
         let rowsDict = {};
-
         for(const queryConfig of queryConfigs) {
           const datasourceMetrics: DataTable = await queryByConfig(queryConfig, datasourceUrl, from, to, apiKey);
-          columns = this._updateColumns(columns, datasourceMetrics.columns);
+          if(keyColumn == undefined) {
+            keyColumn = datasourceMetrics.columns[0];
+          }
+          metricColumns = this._updateColumns(metricColumns, datasourceMetrics.columns);
           rowsDict = this._updateRows(rowsDict, datasourceMetrics.values, datasourceMetrics.columns);
         }
-        const rows = this._getRowsFromDict(rowsDict, columns);
-        // const formattedRows = rows.map((row: number[]) => [toIsoString(row[0], timeZoneName), ...row.slice(1)]);
+        const rows = this._getRowsFromDict(rowsDict, metricColumns);
+        const columns = _.concat(keyColumn, metricColumns);
+        const formattedRows = rows.map((row: number[]) => [toIsoString(row[0], timeZoneName), ...row.slice(1)]);
 
-        if(columns.length > 0) {
-          this._writeCsv(stream, { columns, rows });
+        if(metricColumns.length > 0) {
+          this._writeCsv(stream, { columns, rows: formattedRows });
         }
         await this._updateProgress({ status: ExportStatus.EXPORTING, progress: (day + 1) / days });
 
@@ -98,7 +102,7 @@ export class Exporter {
     return _.concat(columnsToUpdate, queriedColumns.slice(1));
   }
 
-  private _updateRows(dict, queriedRows: (number | null)[][], queriedColumns: string[]): any {
+  private _updateRows(dict, queriedRows: (number | null)[][], queriedColumns: string[]): { [key: number]: { [column: string]: number} } {
     const columns = queriedColumns.slice(1);
     for(const rowIdx in queriedRows) {
       const key = queriedRows[rowIdx][0];
@@ -115,7 +119,7 @@ export class Exporter {
     let keyList = _.orderBy(_.keys(dict));
     let rows = [];
     for(const keyIdx in keyList) {
-      const key = keyList[keyIdx];
+      const key = _.toNumber(keyList[keyIdx]);
       rows[keyIdx] = [key];
       for(const column of columns) {
         const value = dict[key][column] || null;