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https://issues.apache.org/jira/browse/HIVE-15964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15881528#comment-15881528
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Prasanth Jayachandran commented on HIVE-15964:
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[~rajesh.balamohan] orc_ppd_schema_evol_3a.q failure looks related?
> LLAP: Llap IO codepath not getting invoked due to file column id mismatch
> -------------------------------------------------------------------------
>
> Key: HIVE-15964
> URL: https://issues.apache.org/jira/browse/HIVE-15964
> Project: Hive
> Issue Type: Bug
> Components: llap
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Fix For: 2.2.0
>
> Attachments: HIVE-15964.1.patch, HIVE-15964.2.patch,
> HIVE-15964.3.patch, HIVE-15964.4.patch
>
>
> LLAP IO codepath is not getting invoked in certain cases when schema
> evolution checks are done. Though "int --> long" (fileType to readerType)
> conversions are allowed, the file type columns are not matched correctly when
> such conversions need to happen.
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