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https://issues.apache.org/jira/browse/FLINK-9915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16558579#comment-16558579
]
ASF GitHub Bot commented on FLINK-9915:
---------------------------------------
xccui commented on a change in pull request #6390: [FLINK-9915] Add TO_BASE64
function for table/sql API
URL: https://github.com/apache/flink/pull/6390#discussion_r205522776
##########
File path: docs/dev/table/tableApi.md
##########
@@ -2474,17 +2474,30 @@ STRING.rpad(len INT, pad STRING)
<p>Returns a string right-padded with the given pad string to a length
of len characters. If the string is longer than len, the return value is
shortened to len characters. E.g. "hi".rpad(4, '??') returns "hi??",
"hi".rpad(1, '??') returns "h".</p>
</td>
</tr>
+
<tr>
<td>
{% highlight java %}
STRING.fromBase64()
{% endhighlight %}
</td>
-
+
<td>
<p>Returns the base string decoded with base64, if string is null,
returns null. E.g. "aGVsbG8gd29ybGQ=".fromBase64() returns "hello world".</p>
</td>
</tr>
+
+ <tr>
+ <td>
+ {% highlight java %}
+STRING.toBase64()
+{% endhighlight %}
+ </td>
+
+ <td>
+ <p>Returns the string text encoded with BASE64. E.g. "hello
world".toBase64() returns "aGVsbG8gd29ybGQ=".</p>
Review comment:
Returns the base64-encoded result of STRING. If STRING is NULL, returns NULL.
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> 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
> Labels: pull-request-available
>
> 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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