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From "Alexander Pivovarov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10641) create CRC32 UDF
Date Tue, 12 May 2015 22:19:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-10641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexander Pivovarov updated HIVE-10641:
---------------------------------------
    Attachment: HIVE-10641.2.patch

patch #2:
- use Text.getBytes() instead of toString()

> create CRC32 UDF
> ----------------
>
>                 Key: HIVE-10641
>                 URL: https://issues.apache.org/jira/browse/HIVE-10641
>             Project: Hive
>          Issue Type: Improvement
>          Components: UDF
>            Reporter: Alexander Pivovarov
>            Assignee: Alexander Pivovarov
>         Attachments: HIVE-10641.1.patch, HIVE-10641.2.patch
>
>
> CRC32 computes a cyclic redundancy check value for string or binary argument and returns
bigint value. The result is NULL if the argument is NULL.
> MySQL has similar function https://dev.mysql.com/doc/refman/5.0/en/mathematical-functions.html#function_crc32



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