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https://issues.apache.org/jira/browse/IMPALA-9482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17133208#comment-17133208
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Csaba Ringhofer commented on IMPALA-9482:
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https://gerrit.cloudera.org/#/c/16066/
The review also contains Parquet and ORC support for BINARY (these turned out
to be nearly 0 effort)
> 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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