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Posted to dev@hawq.apache.org by "zhangshujie (JIRA)" <ji...@apache.org> on 2018/04/26 05:50:00 UTC

[jira] [Created] (HAWQ-1611) refactor the vtype in order to advance the performance

zhangshujie created HAWQ-1611:
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             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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