diff --git a/lib/cartodb/models/dataview/aggregation.js b/lib/cartodb/models/dataview/aggregation.js
index f621e536..7f6c198a 100644
--- a/lib/cartodb/models/dataview/aggregation.js
+++ b/lib/cartodb/models/dataview/aggregation.js
@@ -236,7 +236,7 @@ module.exports = class Aggregation extends BaseDataview {
             override = {};
         }
 
-        if (this.aggregationColumn && this._isFloatColumn === null) {
+        if (this._shouldCheckColumnType()) {
             this._isFloatColumn = false;
             this.getColumnType(psql, this.aggregationColumn, this.queries.no_filters, function (err, type) {
                 if (!err && !!type) {
@@ -266,6 +266,10 @@ module.exports = class Aggregation extends BaseDataview {
         return callback(null, aggregationSql);
     }
 
+    _shouldCheckColumnType () {
+        return this.aggregationColumn && this._isFloatColumn === null;
+    }
+
     format (result) {
         const {
             count = 0,