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