</para>
</listitem>
+ <listitem>
+ <!--
+ Author: Robert Haas <rhaas@postgresql.org>
+ 2017-02-14 [5e6d8d2bb] Allow parallel workers to execute subplans.
+ -->
+ <para>
+ Allow non-correlated subqueries to be run in parallel (Amit Kapila)
+ </para>
+ </listitem>
+
<listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
<listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
+ 2017-02-27 [30df93f69] hash: Refactor overflow page allocation.
+ Author: Robert Haas <rhaas@postgresql.org>
2017-03-14 [c11453ce0] hash: Add write-ahead logging support.
+ Author: Robert Haas <rhaas@postgresql.org>
+ 2017-02-27 [b0f18cb77] hash: Refactor bucket squeeze code.
-->
<para>
Add write-ahead logging support to hash indexes (Amit Kapila)
<listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
- 2017-02-27 [b0f18cb77] hash: Refactor bucket squeeze code.
- Author: Robert Haas <rhaas@postgresql.org>
- 2017-02-27 [30df93f69] hash: Refactor overflow page allocation.
- Author: Robert Haas <rhaas@postgresql.org>
2017-04-03 [ea69a0dea] Expand hash indexes more gradually.
-->
<para>