[FLINK-18486][docs] add document for '%' module function

This closes #12831
apache · Jul 7, 2020 · 5338c6d · 5338c6d
1 parent a56d70b
commit 5338c6d
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diff --git a/docs/dev/table/functions/systemFunctions.md b/docs/dev/table/functions/systemFunctions.md
@@ -1065,6 +1065,17 @@ numeric1 / numeric2
     <tr>
       <td>
 {% highlight text %}
+numeric1 % numeric2
+{% endhighlight %}
+      </td>
+      <td>
+        <p>Returns the remainder (modulus) of <i>numeric1</i> divided by <i>numeric2</i>. The result is negative only if <i>numeric1</i> is negative.</p>
+      </td>
+    </tr>
+
+    <tr>
+      <td>
+{% highlight text %}
 POWER(numeric1, numeric2)
 {% endhighlight %}
       </td>

diff --git a/docs/dev/table/functions/systemFunctions.zh.md b/docs/dev/table/functions/systemFunctions.zh.md
@@ -1065,6 +1065,17 @@ numeric1 / numeric2
     <tr>
       <td>
 {% highlight text %}
+numeric1 % numeric2
+{% endhighlight %}
+      </td>
+      <td>
+        <p>Returns the remainder (modulus) of <i>numeric1</i> divided by <i>numeric2</i>. The result is negative only if <i>numeric1</i> is negative.</p>
+      </td>
+    </tr>
+
+    <tr>
+      <td>
+{% highlight text %}
 POWER(numeric1, numeric2)
 {% endhighlight %}
       </td>