[GitHub] betodealmeida opened a new pull request #5597: No exception on no data

[GitBox <gi...@apache.org>]

betodealmeida opened a new pull request #5597: No exception on no data
URL: https://github.com/apache/incubator-superset/pull/5597
 
 
   When trying to replicate a bug I found out to the backend is raising exceptions when no data is returned, both in Druid (explicitly) and in SQLAlchemy (iterating over a `cursor.description` that is `None`).
   
   I think the SQLAlchemy bug happens only in conjunction with the `druid` backend, and I recently fixed it (https://github.com/druid-io/pydruid/pull/133/). But it's better to be on the safe side here.

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