[jira] [Created] (CARBONDATA-2484) Refactor the datamap code and clear the datamap from executor on table drop

[Akash R Nilugal (Jira)]

Akash R Nilugal created CARBONDATA-2484:
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             Summary: Refactor the datamap code and clear the datamap from executor on table drop
                 Key: CARBONDATA-2484
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2484
             Project: CarbonData
          Issue Type: Sub-task
            Reporter: Akash R Nilugal
            Assignee: Akash R Nilugal


During query, blockletDataMapFactory maintains a segmentMap which has mapping of
segmentId -> list of index file, and this will be used while getting the extended blocklet
by checking whether the blocklet present in the index or not.
In case of Lucene, the datamap job will be launched and during pruning the segmentMap will be added
in executor and this map will be cleared in driver when drop table is called, but it will not be cleared in executor.
so when the query is fired after table or datamap is dropped, the lucene query fails.



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