<para>

The new <quote>parameterized path</> mechanism allows inner

indexscans to use values from relations that are more than one join

index scans to use values from relations that are more than one join

level up from the scan. This can greatly improve performance in

situations where semantic restrictions (such as outer joins) limit

the allowed join orderings.

<listitem>

<para>

Allow <literal>indexed_col op ANY(ARRAY[...])</> conditions to be

used in plainindexscans and index-only scans (Tom Lane)

used in plainindex scans and index-only scans (Tom Lane)

</para>

<para>

<listitem>

<para>

Support <function>MIN</>/<function>MAX</> index optimizations on

boolean columns (Marti Raudsepp)

<type>boolean</type> columns (Marti Raudsepp)

</para>

</listitem>

<listitem>

<para>

Account for set-returning functions in <command>SELECT</> target

lists when settingrowcount estimates (Tom Lane)

lists when settingrow count estimates (Tom Lane)

</para>

</listitem>

<listitem>

<para>

Support configurableeventlog application names on Windows

Support configurableevent log application names on Windows

(MauMau, Magnus Hagander)

</para>

<para>

This allows different instances to use theeventlog

This allows different instances to use theevent log

with different identifiers, by setting the <link

linkend="guc-event-source"><varname>event_source</></link>

server parameter, which is similar to how <link

<listitem>

<para>

Retain column names atruntime for row expressions

Retain column names atrun time for row expressions

(Andrew Dunstan, Tom Lane)

</para>

<listitem>

<para>

Add auserspace access cache to sepgsql to improve performance

Add auser space access cache to sepgsql to improve performance

(KaiGai Kohei)

</para>

</listitem>