[jira] [Commented] (HIVE-23987) Upgrade arrow version to 0.11.0

["Barnabas Maidics (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-23987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17170807#comment-17170807 ] 

Barnabas Maidics commented on HIVE-23987:
-----------------------------------------

Hi [~ShubhamChaurasia],

In [HIVE-23034|https://issues.apache.org/jira/browse/HIVE-23034], you added BaseJdbcWithMiniLlap#testInvalidReferenceCountScenario test, which fails for me after upgrading Apache Arrow version to 0.11.0 (from 0.10.0). 

{code:java}
TestJdbcWithMiniLlapVectorArrowBatch>BaseJdbcWithMiniLlap.testInvalidReferenceCountScenario:408 expected:<16384> but was:<26624>
{code}

I'm not sure where the number 16384 came from. How does the insert statement in the test generates 16384 rows, and how can it be that it changed after upgrading the dependency? 

Thanks for your help.

> Upgrade arrow version to 0.11.0
> -------------------------------
>
>                 Key: HIVE-23987
>                 URL: https://issues.apache.org/jira/browse/HIVE-23987
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Barnabas Maidics
>            Assignee: Barnabas Maidics
>            Priority: Major
>
> As part of [HIVE-23890|https://issues.apache.org/jira/browse/HIVE-23890], we're introducing flatbuffers as a dependency. 
> Arrow 0.10.0 has an unofficial flatbuffer dependency, which is incompatible with the official ones: https://issues.apache.org/jira/browse/ARROW-3175
> It was fixed in 0.11.0. We should upgrade to that version



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