xccui commented on a change in pull request #6700: [FLINK-10340][table] Add
Cosh math function supported in Table API and SQL
URL: https://github.com/apache/flink/pull/6700#discussion_r222125558
##########
File path: docs/dev/table/functions.md
##########
@@ -1274,6 +1274,17 @@ ATAN2(numeric1, numeric2)
</td>
</tr>
+ <tr>
+ <td>
+ {% highlight text %}
+COSH(numeric)
+{% endhighlight %}
+ </td>
+ <td>
+ <p>Returns the hyperbolic cosine of <i>numeric</i>. Return value type
is DOUBLE.</p>
Review comment:
Hi @pnowojski, yes, it's necessary to mark the data types of the functions'
inputs/output, but maybe not inline with the description. I think it's better
to assign separate columns for that. Anyway, incrementally adding the return
types is not bad to me and we need to go over the whole function list at a time
in the future.
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