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From "Sean Hsuan-Yi Chu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2843) Reading empty CSV file fails with error (rather than yielding zero rows)
Date Sat, 12 Sep 2015 22:12:45 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742242#comment-14742242
] 

Sean Hsuan-Yi Chu commented on DRILL-2843:
------------------------------------------

"Relates to" type is chosen (as opposed to Duplicates) since the error message is not the
same.

The queries are very similar though

> Reading empty CSV file fails with error (rather than yielding zero rows)
> ------------------------------------------------------------------------
>
>                 Key: DRILL-2843
>                 URL: https://issues.apache.org/jira/browse/DRILL-2843
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Text & CSV
>            Reporter: Daniel Barclay (Drill)
>            Assignee: Steven Phillips
>             Fix For: 1.2.0
>
>
> Reading an empty CSV file (an empty file with a name ending with ".csv") fails with an
internal error rather than yielding zero rows:
> > SELECT * FROM `empty_file.csv`;
> Query failed: SYSTEM ERROR: Unexpected exception during fragment initialization: Incoming
endpoints 1 is greater than number of row groups 0
> [4e7c7167-51eb-485c-a07b-d41c2f63a670 on dev-linux2:31010]
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> > 



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