qiuchenjian commented on issue #3135: [CARBONDATA-3303] Fix that MV datamap return wrong results when using coalesce and less groupby columns
URL:
https://github.com/apache/carbondata/pull/3135#issuecomment-485362595
@akashrn5
My aim is that query doesn't hit MV table when using coalesce, because coalesce expression doesn't suitable for MV datamap, when the mv result need be calculated again(such as my test case ,mv sql is goupby name,weight and query sql is group by name), the mv will give wrong result.
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