shivamasn commented on issue #3369: [CARBONDATA-3508] Support CG datamap pruning fallback while querying
URL:
https://github.com/apache/carbondata/pull/3369#issuecomment-528826353
@kunal642 I think we cannot handle for FG datamap because we use TEXT_MATCH for filter query and it is not supported on main table once the FG datamap is dropped in the background. Also the pruned blocklets from default datamap will contain all the blocklets irrespective of filter expression because we use RowLevelFilterExecuterImp in this case...So if we fallback to default datamap pruning, it will give incorrect result.
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