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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-15029) Add logic to estimate stats for BETWEEN operator
Date Fri, 21 Oct 2016 11:30:59 GMT

     [ https://issues.apache.org/jira/browse/HIVE-15029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez updated HIVE-15029:
-------------------------------------------
    Status: Patch Available  (was: In Progress)

> Add logic to estimate stats for BETWEEN operator
> ------------------------------------------------
>
>                 Key: HIVE-15029
>                 URL: https://issues.apache.org/jira/browse/HIVE-15029
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>    Affects Versions: 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>
> Currently, BETWEEN operator is considered in the default case: reduces the input rows
to the half. This may lead to wrong estimates for the number of rows produced by Filter operators.



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