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From "zhangshujie (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAWQ-1611) refactor the vtype in order to advance the performance
Date Thu, 26 Apr 2018 05:50:00 GMT
zhangshujie created HAWQ-1611:
---------------------------------

             Summary: refactor the vtype in order to advance the performance
                 Key: HAWQ-1611
                 URL: https://issues.apache.org/jira/browse/HAWQ-1611
             Project: Apache HAWQ
          Issue Type: Sub-task
            Reporter: zhangshujie
            Assignee: Radar Lei


If we convert the data type in scan node, it would cost too much time, so we refactor the
vtype. now we storage the Datum in vtype data struct, we do not care about the actual data
types of the attributes in scan node.



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