[GitHub] xccui commented on a change in pull request #6736: [FLINK-10398][table] Add Tanh math function supported in Table API and SQL

[GitBox <gi...@apache.org>]

xccui commented on a change in pull request #6736: [FLINK-10398][table] Add Tanh math function supported in Table API and SQL
URL: https://github.com/apache/flink/pull/6736#discussion_r224835500
 
 

 ##########
 File path: docs/dev/table/functions.md
 ##########
 @@ -1219,6 +1219,18 @@ TAN(numeric)
       </td>
     </tr>
 
+    <tr>
+      <td>
+        {% highlight text %}
+TANH(numeric)
+{% endhighlight %}
+      </td>
+      <td>
+        <p>Returns the hyperbolic tangent of <i>NUMERIC</i>.</p> 
+        <p>Return value type is <i>DOUBLE</i>.</p>
 
 Review comment:
   Change the `NUMERIC` to lowercase here.
   
   The return type is ...
   
   Please ALWAYS be careful with these minor issues cause they have been pointed out many times.

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