Add paragraph about ON CONFLICT interaction with partitioning.

Author: Peter Geoghegan and Andres Freund Discussion: CAM3SWZScpWzQ-7EJC77vwqzZ1GO8GNmURQ1QqDQ3wRn7AbW1Cg@mail.gmail.com, CAHGQGwFUCWwSU7dtc2aRdRk73ztyr_jY5cPOyts+K8xKJ92X4Q@mail.gmail.com Backpatch: 9.5, where UPSERT was introduced
10 years ago · c31f1dc559
parent f3a764b0da
commit c31f1dc559
1 changed files with 9 additions and 0 deletions
--- a/doc/src/sgml/ddl.sgml
+++ b/doc/src/sgml/ddl.sgml
@ -3246,6 +3246,15 @@ ANALYZE measurement;
     </para>
    </listitem>

+    <listitem>
+     <para>
+      <command>INSERT</command> statements with <literal>ON CONFLICT</>
+      clauses are unlikely to work as expected, as the <literal>ON CONFLICT</>
+      action is only taken in case of unique violations on the specified
+      target relation, not its child relations.
+     </para>
+    </listitem>
+
   </itemizedlist>
   </para>