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https://issues.apache.org/jira/browse/HIVE-5538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14101503#comment-14101503
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Sergey Shelukhin commented on HIVE-5538:
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You can consider using TestCompareCliDriver.
See ./ql/src/test/queries/clientcompare/vectorized_math_funcs.q and
corresponding .qv files in the same directory.
This Cli driver runs the q file with each header and compares the results,
failing if they are different (there's no .out file).
Maybe if some set of focused tests can be created, it would ensure the
vectorized and non-vectorized code paths match.
> Turn on vectorization by default.
> ---------------------------------
>
> Key: HIVE-5538
> URL: https://issues.apache.org/jira/browse/HIVE-5538
> Project: Hive
> Issue Type: Sub-task
> Reporter: Jitendra Nath Pandey
> Assignee: Hari Sankar Sivarama Subramaniyan
> Attachments: HIVE-5538.1.patch, HIVE-5538.2.patch, HIVE-5538.3.patch,
> HIVE-5538.4.patch, HIVE-5538.5.patch, HIVE-5538.5.patch, HIVE-5538.6.patch
>
>
> Vectorization should be turned on by default, so that users don't have to
> specifically enable vectorization.
> Vectorization code validates and ensures that a query falls back to row
> mode if it is not supported on vectorized code path.
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