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_r205523208
##########
File path: docs/dev/table/sql.md
##########
@@ -1848,6 +1848,17 @@ FROM_BASE64(text string)
<td>
<p>Returns the base string decoded with base64, if text is NULL,
returns NULL. E.g. <code>FROM_BASE64('aGVsbG8gd29ybGQ=')</code> returns
<code>hello world</code>.</p>
</td>
+ </tr>
+
+ <tr>
+ <td>
+ {% highlight text %}
+TO_BASE64(text string)
+{% endhighlight %}
+ </td>
+ <td>
+ <p>Returns the string text encoded with BASE64, if string is null,
returns null. E.g. <code>TO_BASE64('hello world')</code> returns
<code>aGVsbG8gd29ybGQ=</code>.</p>
Review comment:
Returns the base64-encoded result of the input string. If the input is NULL,
returns NULL.
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