[GitHub] villebro commented on issue #5353: Columns with NULL data throw "Unexpected Error" in Table View Chart

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villebro commented on issue #5353: Columns with NULL data throw "Unexpected Error" in Table View Chart
URL: https://github.com/apache/incubator-superset/issues/5353#issuecomment-411639958
 
 
   @yamyamyuo Yes, the `handle_nulls()` fix covers all engines. I am unable to reproduce this bug in `master` branch, were you able to test #5487 and are you still seeing the issue? If you able to produce a simple query along the lines of `select 1 as a, null as b union all select 1 as a, 2 as b` that can reproduce the error that would be most helpful in debugging.

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