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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12595) [REFACTOR] Make physical compiler more type safe
Date Tue, 08 Dec 2015 22:00:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Chauhan updated HIVE-12595:
------------------------------------
    Attachment: HIVE-12595.2.patch

> [REFACTOR] Make physical compiler more type safe
> ------------------------------------------------
>
>                 Key: HIVE-12595
>                 URL: https://issues.apache.org/jira/browse/HIVE-12595
>             Project: Hive
>          Issue Type: Improvement
>          Components: Physical Optimizer
>    Affects Versions: 2.0.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>         Attachments: HIVE-12595.2.patch, HIVE-12595.patch
>
>
> It seems like there are lot of usage of abstract Operator class where only possibility
is TableScanOp. This results in lot of uncertainty when that parameter is passed in and is
littered with instanceOf checks all over.



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