You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@drill.apache.org by "Yusuf (Jira)" <ji...@apache.org> on 2020/07/27 07:19:00 UTC

[jira] [Created] (DRILL-7772) When several columns are selected in RDBMS, the drill selects all (*) columns

Yusuf created DRILL-7772:
----------------------------

             Summary: When several columns are selected in RDBMS, the drill selects all (*) columns
                 Key: DRILL-7772
                 URL: https://issues.apache.org/jira/browse/DRILL-7772
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning &amp; Optimization
    Affects Versions: 1.17.0
            Reporter: Yusuf
         Attachments: all column.PNG

 
hi, 
When I select some columns in RDBMS, the drill first selects all (*) columns and then transmits the columns I selected.
 
This process also fills the NETWORK and memory.
Please, 
In RDBMS, only the columns I select are pushed down.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)