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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-14434) Vectorization: BytesBytes lookup capped count can be =0, =1, >=2
Date Fri, 05 Aug 2016 10:31:20 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-14434:
---------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0
     Release Note: Vectorization: BytesBytes lookup capped count can be =0, =1, >=2 (Gopal
V, reviewed by Sergey Shelukhin)
           Status: Resolved  (was: Patch Available)

Pushed to master, thanks [~sershe]

> Vectorization: BytesBytes lookup capped count can be =0, =1, >=2
> ----------------------------------------------------------------
>
>                 Key: HIVE-14434
>                 URL: https://issues.apache.org/jira/browse/HIVE-14434
>             Project: Hive
>          Issue Type: Improvement
>          Components: Vectorization
>    Affects Versions: 2.2.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>             Fix For: 2.2.0
>
>         Attachments: HIVE-14434.1.patch
>
>
> BytesBytesHashmap does not implement deep counters for the depth of a probe - but however
it does distinguish between 0, 1 and > 1 rows.
> This information can be used in the vectorized hash join to avoid copying the probe side
keys.



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