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From "David Mollitor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21264) Improvements Around CharTypeInfo
Date Sat, 09 Mar 2019 03:32:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

David Mollitor updated HIVE-21264:
----------------------------------
    Attachment: HIVE-21264.3.patch

> Improvements Around CharTypeInfo
> --------------------------------
>
>                 Key: HIVE-21264
>                 URL: https://issues.apache.org/jira/browse/HIVE-21264
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 4.0.0, 3.2.0
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Minor
>              Labels: pull-request-available
>         Attachments: HIVE-21264.1.patch, HIVE-21264.2.patch, HIVE-21264.3.patch, HIVE-21264.3.patch,
HIVE-21264.3.patch, HIVE-21264.3.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The {{CharTypeInfo}} stores the type name of the data type (char/varchar) and the length
(1-255).  {{CharTypeInfo}} objects are often getting cached once they are created.
> The {{hashcode()}} and {{equals()}} of its sub-classes varchar and char are inconsistent.
> * Make hashcode and equals consistent (and fast)
> * Simplify the {{getQualifiedName}} implementation and reduce the scope to protected
> * Other related nits



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