[jira] [Commented] (DRILL-790) A query to an empty Hive table never returns from sqlline

["Venki Korukanti (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14026548#comment-14026548 ] 

Venki Korukanti commented on DRILL-790:
---------------------------------------

Same issue as DRILL-660 (where ScanBatch receives 0 RecordReaders) except that now FragmentExecutor exits without reporting the status back to remote fragment.

{code}
try {
      root = ImplCreator.getExec(context, rootOperator);
    } catch (ExecutionSetupException e) {
      context.fail(e);
      return;
    }
{code}

Adding {{internalFail(e)}} resolves hanging issue.

> A query to an empty Hive table never returns from sqlline
> ---------------------------------------------------------
>
>                 Key: DRILL-790
>                 URL: https://issues.apache.org/jira/browse/DRILL-790
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Hive
>            Reporter: George Chow
>            Assignee: Venki Korukanti
>
> Consider an empty table in Hive as follows:
> {code}
> hive> describe string_table;
> OK
> keycolumn               string                  None
> column1                 string                  None
> Time taken: 2.025 seconds, Fetched: 2 row(s)
> hive> select * from string_table;
> OK
> Time taken: 0.409 seconds
> {code}
> Querying this table from sqlline never returns:
> {code}
> 0: jdbc:drill:local=192.168.39.43:31010> describe hive.`default`.string_table;
> +-------------+------------+-------------+
> | COLUMN_NAME | DATA_TYPE  | IS_NULLABLE |
> +-------------+------------+-------------+
> | keycolumn   | VARCHAR    | NO          |
> | column1     | VARCHAR    | NO          |
> +-------------+------------+-------------+
> 2 rows selected (1.413 seconds)
> 0: jdbc:drill:local=192.168.39.43:31010> select * from  hive.`default`.string_table;
> <never returns>
> {code}



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