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Posted to issues@hawq.apache.org by "zhangshujie (JIRA)" <ji...@apache.org> on 2018/04/26 05:51:00 UTC

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

     [ https://issues.apache.org/jira/browse/HAWQ-1611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

zhangshujie reassigned HAWQ-1611:
---------------------------------

       Assignee: zhangshujie  (was: Radar Lei)
    Component/s: Query Execution

> 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
>          Components: Query Execution
>            Reporter: zhangshujie
>            Assignee: zhangshujie
>            Priority: Major
>
> 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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