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https://issues.apache.org/jira/browse/HIVE-6959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-6959:
-----------------------------------
Resolution: Fixed
Fix Version/s: 0.14.0
Status: Resolved (was: Patch Available)
Committed to trunk. Thanks, Hari!
> Enable Constant propagation optimizer for Hive Vectorization
> ------------------------------------------------------------
>
> Key: HIVE-6959
> URL: https://issues.apache.org/jira/browse/HIVE-6959
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Affects Versions: 0.14.0
> Reporter: Hari Sankar Sivarama Subramaniyan
> Assignee: Hari Sankar Sivarama Subramaniyan
> Fix For: 0.14.0
>
> Attachments: HIVE-6959.1.patch, HIVE-6959.2.patch, HIVE-6959.4.patch,
> HIVE-6959.5.patch, HIVE-6959.6.patch
>
>
> HIVE-5771 covers Constant propagation optimizer for Hive. Now that HIVE-5771
> is committed, we should remove any vectorization related code which
> duplicates this feature. For example, a fn to be cleaned is
> VectorizarionContext::foldConstantsForUnaryExprs(). In addition to this
> change, constant propagation should kick in when vectorization is enabled.
> i.e. we need to lift the HIVE_VECTORIZATION_ENABLED restriction inside
> ConstantPropagate::transform().
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