walterddr commented on a change in pull request #6337: [FLINK-9853] [table] Add
HEX support
URL: https://github.com/apache/flink/pull/6337#discussion_r207661219
##########
File path: docs/dev/table/sql.md
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@@ -1664,6 +1664,17 @@ BIN(numeric)
</td>
</tr>
+ <tr>
+ <td>
+{% highlight text %}
+HEX(numeric)
+HEX(string)
+ {% endhighlight %}
+ </td>
+ <td>
+ <p>Returns a string representation of an integer numeric value or a
string in hex format. Returns null if numeric is null. E.g. "20" leads to "14",
"100" leads to "64", "hello,world" leads to "68656c6c6f2c776f726c64".</p>
Review comment:
maybe consider using backtick for the number literals? e.g. `"20"` --> ``
`20` ``.
Otherwise its confusing whether we should pass in stringify integer or just
integer values.
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