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Posted to issues-all@impala.apache.org by "Csaba Ringhofer (Jira)" <ji...@apache.org> on 2020/06/11 12:10:00 UTC

[jira] [Work started] (IMPALA-9482) Support BINARY columns

     [ https://issues.apache.org/jira/browse/IMPALA-9482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on IMPALA-9482 started by Csaba Ringhofer.
-----------------------------------------------
> Support BINARY columns
> ----------------------
>
>                 Key: IMPALA-9482
>                 URL: https://issues.apache.org/jira/browse/IMPALA-9482
>             Project: IMPALA
>          Issue Type: New Feature
>          Components: Backend, Frontend
>            Reporter: Csaba Ringhofer
>            Assignee: Csaba Ringhofer
>            Priority: Major
>
> Hive's binary data types seem very similar to strings with some exceptions:
> - no implicit/explicit cast to any type except string
> - bit different built-in functions than for string, but some functions accept both string and binary (e.g. concat)
> - written to text files with base64 encoding
> (see https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF )
> I didn't look around about client support yet.



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