Prevent duplicated columns in TableModel

Author: jmgaya

packages/react-widgets/__tests__/models/TableModel.test.js

@@ -31,6 +31,10 @@ jest.mock('@carto/react-workers', () => ({
   }
 }));
 
+afterEach(() => {
+  jest.clearAllMocks();
+});
+
 describe('getTable', () => {
   const tableParams = {
     source: {
@@ -94,5 +98,15 @@ describe('getTable', () => {
         hasData: true
       });
     });
+
+    test('prevents column duplicates', async () => {
+      const data = await getTable({
+        ...tableParams,
+        columns: ['any-column', 'any-column'],
+        remoteCalculation: true
+      });
+
+      expect(mockedExecuteModel.mock.calls[0][0].params.column).toEqual(['any-column']);
+    });
   });
 });

packages/react-widgets/src/models/TableModel.js

@@ -61,7 +61,7 @@ function fromRemote(props) {
     spatialFilter,
     ...(searchFilter && { searchFilter }),
     params: {
-      column: columns,
+      column: [...new Set(columns)],
       sortBy,
       sortDirection,
       limit: rowsPerPage,