[GitHub] John-Athan commented on issue #6685: Druid Column Type does not get updated

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

John-Athan commented on issue #6685: Druid Column Type does not get updated 
URL: https://github.com/apache/incubator-superset/issues/6685#issuecomment-454799959
 
 
   Investigating this issue further, the following has been discovered:
   - Superset tells Druid to merge the results of the metadata query into one single result
   - Druid returns a single result, containing an errorMessage ("error:cannot_merge_diff_types") for every field that has more than one type, but also returns a Type for that field
   - Superset ignores the error and uses the returned type
   
   This means that it will take one week (as that is usually the timeframe for the metadata query) until the new field type will be adapted. 
   In our case, this is not an issue. Should I close this issue?

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