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Posted to issues@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2016/01/08 03:55:40 UTC

[jira] [Updated] (HIVE-12809) Vectorization: fast-path for coalesce if input.noNulls = true

     [ https://issues.apache.org/jira/browse/HIVE-12809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gopal V updated HIVE-12809:
---------------------------
    Description: Coalesce can skip processing other columns, if all the input columns are non-null.  (was: Coalesce can skip processing a column, if all the input columns are non-null.)

> Vectorization: fast-path for coalesce if input.noNulls = true
> -------------------------------------------------------------
>
>                 Key: HIVE-12809
>                 URL: https://issues.apache.org/jira/browse/HIVE-12809
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.0.0, 2.1.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>
> Coalesce can skip processing other columns, if all the input columns are non-null.



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