ravipesala commented on issue #3101: [CARBONDATA-3270] MV support groupby columns don't need be existed in the projection URL: https://github.com/apache/carbondata/pull/3101#issuecomment-490363955 @qiuchenjian I feel the old fix of restricting all `group by columns must be present in projection ` was alright. It is better user knows the restriction instead of we adding those group by columns to the projections automatically while creating MV. It will add more complexity to the code if we are trying to add things automatically.
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