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From "mahesh kumar behera (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-22856) Hive LLAP LlapArrowBatchRecordReader skipping remaining batches when ArrowStreamReader returns a 0 length batch.
Date Sat, 08 Feb 2020 06:28:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-22856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

mahesh kumar behera updated HIVE-22856:
---------------------------------------
    Attachment: HIVE-22856.01.patch

> Hive LLAP LlapArrowBatchRecordReader skipping remaining batches when ArrowStreamReader
returns a 0 length batch.
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-22856
>                 URL: https://issues.apache.org/jira/browse/HIVE-22856
>             Project: Hive
>          Issue Type: Bug
>            Reporter: mahesh kumar behera
>            Assignee: mahesh kumar behera
>            Priority: Major
>         Attachments: HIVE-22856.01.patch
>
>
> LlapArrowBatchRecordReader returns false when the ArrowStreamReader loadNextBatch returns
column vector with 0 length. But we should keep reading data until loadNextBatch returns
false. Some batch may return column vector of length 0, but we should ignore and wait for
the next batch.



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