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https://issues.apache.org/jira/browse/FLINK-9915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16552446#comment-16552446
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Weike Dong commented on FLINK-9915:
-----------------------------------
Hi vino,
I strongly support this feature, as the built-in functions in Flink Table / SQL
are relatively small in number, lacking in many useful transformation functions
for strings. However, many users with experiences of Hive SQL would prefer the
Hive SQL style function name like "BASE64" or "UNBASE64", therefore the naming
of the function could be discussed. Also for the type of the parameter for
TO_BASE64, whether a binary array could be accepted or only a string is
acceptable is another point to be considered.
But anyway, +1 for the feature : )
> Add TO_BASE64 function for table/sql API
> ----------------------------------------
>
> Key: FLINK-9915
> URL: https://issues.apache.org/jira/browse/FLINK-9915
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: vinoyang
> Assignee: vinoyang
> Priority: Minor
>
> refer to mysql TO_BASE64 function :
> https://dev.mysql.com/doc/refman/5.6/en/string-functions.html#function_to-base64
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