<listitem>

<para>

Improvememoryusage for in-memorysorts (Jeff Janes)

"Allow in-memorysorts to use their fullmemoryallocation (Jeff Janes)

</para>

<para>

</para>

<para>

This improves the usefulness of commit_delay.

This improves the usefulness and behavior of commit_delay.

BACKWARD COMPATIBILITY

</para>

</listitem>

<listitem>

<para>

Improve performance of streaming replication log shipping (Andres Freund)

Improve performance of streaming replication log shipping and

standby promotion (Andres Freund, Simon Riggs)

</para>

</listitem>

</para>

</listitem>

<listitem>

<para>

Allow recovery.conf to be relocated using configuration variable

recovery_config_directory (Simon Riggs)

</para>

</listitem>

</itemizedlist>

<sect4>

<title>WAL</title>

<title>Write-Ahead Log (WAL)</title>

<itemizedlist>

</para>

<para>

Only CREATE SCHEMA IF NOT EXISTS? If so, remove it.

Only CREATE SCHEMA...IF NOT EXISTS? If so, remove it.

</para>

</listitem>

<listitem>

<para>

AddIF NOT EXISTS clause to CREATE SCHEMA (Fabrízio de Royes Mello)

AddCREATE SCHEMA ... IF NOT EXIST clause (Fabrízio de Royes Mello)

</para>

</listitem>

<listitem>

<para>

Allow CREATE TABLE to succeed for a non-existent schema

Allow CREATE TABLEIF NOT EXISTto succeed for a non-existent schema

(Bruce Momjian)

</para>

<para>

Previously, CREATE TABLE IF EXIST threw an error if the schema was

nonexistent.

Previously, it threw an error if the schema did not exist.

</para>

</listitem>

</para>

<para>

Previously functions already run in the current session ignored changes

Previously functions already run in the current session ignored

search_path changes.

(Bruce Momjian)

</para>

</listitem>

</para>

</listitem>

<listitem>

<para>

Add isolation tests for CREATE INDEX CONCURRENTLY (Abhijit Menon-Sen)

</para>

</listitem>

<listitem>

<para>

Remove typedefs for int2/int4 as they are better represented as int16/int32 (Peter Eisentraut)