Report by Peter Geoghegan
Backpatch through 9.5
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+2015-05-08 [168d580] Andres..: Add support for INSERT ... ON CONFLICT DO NOTHI..
+2015-05-08 [2c8f483] Andres..: Represent columns requiring insert and update p..
+-->
+ <para>
+ Foreign tables can now take part in <command>INSERT ... ON CONFLICT
+ DO NOTHING</> queries (Peter Geoghegan, Heikki Linnakangas,
+ Andres Freund)
+ </para>
+
+ <para>
+ Foreign data wrappers must be modified to handle this.
+ <command>INSERT ... ON CONFLICT DO UPDATE</> is not supported on
+ foreign tables.
+ </para>
+ </listitem>
+
+ <listitem>
+<!--
2014-12-18 [4a14f13] Tom Lane: Improve hash_create's API for selecting simple-..
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