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From "Keuntae Park (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-382) Implement encode function
Date Wed, 18 Dec 2013 01:32:06 GMT

    [ https://issues.apache.org/jira/browse/TAJO-382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13851216#comment-13851216
] 

Keuntae Park commented on TAJO-382:
-----------------------------------

Sorry, I have a mistake on understanding unicode conversion.
As '\034' is octal code, it is 28 and its unicode equivalent is '\u001C'
So, the returned result of decode('0x0a0x1C0x09', 'hex'), '\n\u001C\t', is just unicode expression
of '\n\034\t'.

I think there is no problem.

> Implement encode function
> -------------------------
>
>                 Key: TAJO-382
>                 URL: https://issues.apache.org/jira/browse/TAJO-382
>             Project: Tajo
>          Issue Type: New Feature
>            Reporter: Seungun Choe
>            Assignee: Seungun Choe
>            Priority: Minor
>         Attachments: TAJO-382.patch, TAJO-382_2.patch
>
>
> Function : encode(data bytea, format text)
> Description : Encode binary data into a textual representation. Supported formats are:
base64, hex, escape. escape converts zero bytes and high-bit-set bytes to octal sequences
(\nnn) and doubles backslashes.
> Example : encode(E'123\\000\\001', 'base64')  -->  MTIzAAE=



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