[GitHub] [incubator-superset] betodealmeida commented on a change in pull request #7625: View Presto row and array objects clearly in the data grid

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betodealmeida commented on a change in pull request #7625: View Presto row and array objects clearly in the data grid
URL: https://github.com/apache/incubator-superset/pull/7625#discussion_r289200767
 
 

 ##########
 File path: superset/sql_lab.py
 ##########
 @@ -279,10 +279,17 @@ def execute_sql_statements(
             latest_partition=False)
     query.end_time = now_as_float()
 
+    selected_columns = cdf.columns if cdf.columns else []
 
 Review comment:
   Nit: you can simplify this (and the next line) with
   
   ```python
   selected_columns = cdf.columns or []
   ```

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