Merge pull request #2285 from metabase/fix-pivot-formatting

Fix pivot table formatting

frontend/src/lib/data_grid.js

 import _ from "underscore";
 
 import * as SchemaMetadata from "metabase/lib/schema_metadata";
+import { formatValue } from "metabase/lib/formatting";
 
 function compareNumbers(a, b) {
     return a - b;
@@ -37,6 +38,7 @@ var DataGrid = {
         // TODO: we assume dimensions are in the first 2 columns, which is less than ideal
         var pivotCol = 0,
             normalCol = 1,
+            cellCol = 2,
             pivotColValues = DataGrid.distinctValues(data, pivotCol),
             normalColValues = DataGrid.distinctValues(data, normalCol);
         if (normalColValues.length <= pivotColValues.length) {
@@ -89,9 +91,8 @@ var DataGrid = {
                 return data.cols[normalCol];
             }
 
-            var colDef = _.clone(data.cols[pivotCol]);
-            colDef['display_name'] = val || "";
-            colDef['name'] = val || "";
+            var colDef = _.clone(data.cols[cellCol]);
+            colDef['name'] = colDef['display_name'] = formatValue(val, { column: data.cols[pivotCol] });
             return colDef;
         });