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From "Alexander Pivovarov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10644) create SHA2 UDF
Date Mon, 18 May 2015 22:27:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-10644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexander Pivovarov updated HIVE-10644:
---------------------------------------
    Attachment: HIVE-10644.3.patch

patch #3:
- added GenericUDFParamUtils

> create SHA2 UDF
> ---------------
>
>                 Key: HIVE-10644
>                 URL: https://issues.apache.org/jira/browse/HIVE-10644
>             Project: Hive
>          Issue Type: Improvement
>          Components: UDF
>            Reporter: Alexander Pivovarov
>            Assignee: Alexander Pivovarov
>         Attachments: HIVE-10644.1.patch, HIVE-10644.2.patch, HIVE-10644.3.patch
>
>
> Calculates the SHA-2 family of hash functions (SHA-224, SHA-256, SHA-384, and SHA-512).
The first argument is the cleartext string to be hashed. The second argument indicates the
desired bit length of the result, which must have a value of 224, 256, 384, 512, or 0 (which
is equivalent to 256). If either argument is NULL or the hash length is not one of the permitted
values, the return value is NULL.
> MySQL also has SHA2 function https://dev.mysql.com/doc/refman/5.5/en/encryption-functions.html#function_sha2



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