[GitHub] rumbin opened a new issue #3613: Time Series Table: group-by keys must be strings

[gi...@git.apache.org]

rumbin opened a new issue #3613: Time Series Table: group-by keys must be strings
URL: https://github.com/apache/incubator-superset/issues/3613
 
 
   Make sure these boxes are checked before submitting your issue - thank you!
   
   - [x] I have checked the superset logs for python stacktraces and included it here as text if any
   - [x] I have reproduced the issue with at least the latest released version of superset
   - [x] I have checked the issue tracker for the same issue and I haven't found one similar
   
   
   ### Superset version
   0.20.3
   
   ### Expected results
   Any groupable column or combination of columns can be used to group by, when creating a Time Series Table slice
   
   ### Actual results
   Rendering the slice fails if?
   * ?more than one groupable column is selected; error: 'keys must be a string'
   * ?only one column is selected for grouping but the column is of type int instead of str
   
   ### Steps to reproduce
   ?self explanatory, I suppose?
   
   
 
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