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From "Chris Westin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2606) Casting a column from hbase to boolean after a join with parquet makes DRILL unresponsive
Date Wed, 01 Apr 2015 15:59:53 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14390868#comment-14390868
] 

Chris Westin commented on DRILL-2606:
-------------------------------------

>From the log, it looks like a remote fragment has trouble deserializing its instructions.

> Casting a column from hbase to boolean after a join with parquet makes DRILL unresponsive
> -----------------------------------------------------------------------------------------
>
>                 Key: DRILL-2606
>                 URL: https://issues.apache.org/jira/browse/DRILL-2606
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>    Affects Versions: 0.8.0
>            Reporter: Rahul Challapalli
>            Assignee: Sudheesh Katkam
>            Priority: Critical
>             Fix For: 0.9.0
>
>         Attachments: dataload.hql, error.log, fewtypes_null.parquet, fewtypes_null_hbase.tbl
>
>
> git.commit.id.abbrev=4d398ed
> The below query never returns and causes Sqlline to hang. DRILL also becomes unresponsive
after executing this query. So I have to restart drill for sqlline to even come up.
> {code}
> select cast(cast(o.types.bool_col as varchar(100)) as boolean) bool_col
> from dfs.`cross-sources`.`fewtypes_null.parquet` p
> inner join hbase.fewtypes_null o
>     on p.int_col = cast(cast(o.types.int_col as varchar(100)) as int)
> {code}
> This issue is similar to DRILL-2605. However in this case I did not use a view and some
this causes drill/sqlline to become unresponsive where in DRILL-2605 we just get back an error.
> I attached the data files, data loading script, and the error log. Let me know if you
need anything else.



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