moving 'other' outside of the query allowing queries of different types

lib/cartodb/models/dataview/aggregation.js

@@ -87,7 +87,7 @@ const rankedAggregationQueryTpl = ctx => `
         WHERE rank < ${ctx.limit}
     UNION ALL
     SELECT
-        'Other' category,
+        null category,
         ${ctx.aggregation !== 'count' ? ctx.aggregation : 'sum'}(value) as value,
         true as agg,
         nulls_count,
@@ -292,7 +292,13 @@ module.exports = class Aggregation extends BaseDataview {
             min: min_val,
             max: max_val,
             categoriesCount: categories_count,
-            categories: result.rows.map(({ category, value, agg }) => ({ category, value, agg }))
+            categories: result.rows.map(({ category, value, agg }) => {
+                return { 
+                    category: agg ? 'Others' : category,
+                    value, 
+                    agg 
+                };
+            })
         };
     }