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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8501) Fix CBO to use indexes when GenericUDFBridge is applied
Date Sun, 19 Oct 2014 17:40:33 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-8501:
----------------------------------
    Status: Open  (was: Patch Available)

> Fix CBO to use indexes when GenericUDFBridge is applied 
> --------------------------------------------------------
>
>                 Key: HIVE-8501
>                 URL: https://issues.apache.org/jira/browse/HIVE-8501
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>            Priority: Minor
>         Attachments: HIVE-8501.1.patch, HIVE-8501.2.patch, HIVE-8501.3.patch
>
>
> previous https://issues.apache.org/jira/browse/HIVE-8389 assumes that
> we have predicate: ((UDFToDouble(key) > UDFToDouble(80)) and (UDFToDouble(key) <
UDFToDouble(100))) for example.
> This does not work for the case when we have predicate: ((UDFToDouble(key) > 80.0)
and (UDFToDouble(key) < 100.0))



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