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From "Marton Bod (Jira)" <j...@apache.org>
Subject [jira] [Created] (TEZ-4248) Tez should propagate projection pruning properties to map operator
Date Thu, 12 Nov 2020 12:20:00 GMT
Marton Bod created TEZ-4248:
-------------------------------

             Summary: Tez should propagate projection pruning properties to map operator
                 Key: TEZ-4248
                 URL: https://issues.apache.org/jira/browse/TEZ-4248
             Project: Apache Tez
          Issue Type: New Feature
            Reporter: Marton Bod


MRReaderMapred should include projection pruning properties set during its initialization
in its incremental config changes (accessible via getConfigUpdates()).

This allows the hive serde to have access to these properties during initialization and therefore
to construct the correct object inspector with only the selected columns.



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