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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-432) Add shuffle phase for column-partitioned table store
Date Thu, 26 Dec 2013 05:43:50 GMT

    [ https://issues.apache.org/jira/browse/TAJO-432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13856760#comment-13856760
] 

Hyunsik Choi commented on TAJO-432:
-----------------------------------

+1

I just tested it on a local cluster. Even though this patch is implemented correctly, I experienced
a query failure from INSERT OVERWRITE statement due to schema mismatch in 74 line in PartitionedStoreExec.


In more detail, the names of partition columns are not qualified (i.e., no table name), while
columns of input schema includes table names. Depending on query cases, 74 line may cause
NPE.

However, this is another issue not related to this issue. So, I'll create another jira issue
for that bug.

Thank you for your contribution.

> Add shuffle phase for column-partitioned table store
> ----------------------------------------------------
>
>                 Key: TAJO-432
>                 URL: https://issues.apache.org/jira/browse/TAJO-432
>             Project: Tajo
>          Issue Type: Sub-task
>          Components: distributed query plan
>            Reporter: Hyunsik Choi
>            Assignee: Min Zhou
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-432.diff
>
>
> As we discussed in TAJO-283, column-partitioned store needs hash shuffle phase. The main
objective of this issue is to modify GlobalPlanner to do so.



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