Fix sort for dataset table

NEWS.md

@@ -31,7 +31,8 @@ Development
 - Validate email only on change ([#15575](https://github.com/CartoDB/cartodb/pull/15575))
 - Fix viewer user creation from UI ([#15580](https://github.com/CartoDB/cartodb/pull/15580))
 - Set node 10.15.1 as default and only for building assets, removing 6.9.2 ([#15530](https://github.com/CartoDB/cartodb/issues/15530))
-- Update toolkit libraries to fix case sensitive field iss ([#15569](https://github.com/CartoDB/cartodb/pull/15569))
+- Update toolkit libraries to fix case sensitive fields ([#15569](https://github.com/CartoDB/cartodb/pull/15569))
+- Fix to avoid locks when sorting rows in dataset table ([#2399](https://github.com/CartoDB/support/issues/2399))
 
 4.36.0 (2020-03-09)
 -------------------

lib/assets/javascripts/builder/components/table/table-view.js

@@ -68,6 +68,8 @@ module.exports = CoreView.extend({
     this.listenTo(this._querySchemaModel, 'change:query change:status', _.debounce(this._onChangeQueryOrStatus, 100));
     this.listenTo(this._querySchemaModel, 'change:status', this._setDisableState);
     this.listenTo(this._querySchemaModel, 'change:query', this._onQueryChanged);
+
+    this._fetchRowsData = _.debounce(this._fetchRowsData, 100);
     this.listenTo(this._querySchemaModel, 'change:status', this._fetchRowsData);
     this.listenTo(this._tableViewModel, 'change:sort_order change:order_by', this._fetchRowsData);
 

lib/assets/javascripts/builder/data/query-rows-collection.js

@@ -200,6 +200,8 @@ module.exports = Backbone.Collection.extend({
   },
 
   fetch: function (opts) {
+    if (this.isFetching()) return;
+
     opts = opts || {};
 
     var previousStatus = this.getStatusValue();