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Posted to issues@hive.apache.org by "Alessandro Solimando (Jira)" <ji...@apache.org> on 2022/05/24 13:32:00 UTC

[jira] [Updated] (HIVE-26243) Add vectorized implementation of the 'ds_kll_sketch' UDAF

     [ https://issues.apache.org/jira/browse/HIVE-26243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alessandro Solimando updated HIVE-26243:
----------------------------------------
    Labels: pull-request-available  (was: )

> Add vectorized implementation of the 'ds_kll_sketch' UDAF
> ---------------------------------------------------------
>
>                 Key: HIVE-26243
>                 URL: https://issues.apache.org/jira/browse/HIVE-26243
>             Project: Hive
>          Issue Type: Improvement
>          Components: UDF, Vectorization
>    Affects Versions: 4.0.0-alpha-2
>            Reporter: Alessandro Solimando
>            Assignee: Alessandro Solimando
>            Priority: Major
>              Labels: pull-request-available
>
> _ds_kll_sketch_ UDAF does not have a vectorized implementation at the moment, the present ticket aims at bridging this gap.
> This is particularly important because vectorization has an "all or nothing" approach, so if this function is used at the side of vectorized functions, they won't be able to benefit from vectorized execution.



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