MartijnVisser commented on a change in pull request #18037:
URL: https://github.com/apache/flink/pull/18037#discussion_r781294398



##########
File path: docs/content/docs/connectors/table/formats/parquet.md
##########
@@ -174,9 +174,24 @@ The following table lists the type mapping from Flink type 
to Parquet type.
       <td>INT96</td>
       <td></td>
     </tr>
+    <tr>
+      <td>ARRAY</td>
+      <td></td>
+      <td>LIST</td>
+    </tr>
+    <tr>
+      <td>MAP</td>
+      <td></td>
+      <td>MAP</td>
+    </tr>
+    <tr>
+      <td>ROW</td>
+      <td></td>
+      <td>STRUCT</td>
+    </tr>
     </tbody>
 </table>
 
 {{< hint warning >}}
-Composite data type: Array, Map and Row are not supported.
+Composite data type: Array, Map and Row currently only support writing but not 
reading.

Review comment:
       ```suggestion
   Composite data type: Array, Map and Row are currently only supported when 
writing, not reading.
   ```




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