<listitem>
<para>
- Improve performance of the CREATE TABLE ... ON COMMIT DELETE ROWS
- clause by only issuing delete if the temporary table was accessed
- (Heikki Linnakangas)
+ Improve performance of the CREATE TEMPORARY TABLE ... ON COMMIT
+ DELETE ROWS clause by only issuing delete if the temporary table
+ was accessed (Heikki Linnakangas)
</para>
</listitem>
Store WAL in a continuous stream, rather than skipping the last
16MB segment every 4GB (Heikki Linnakangas) BACKWARD COMPATIBLE BREAK
</para>
- </listitem>
- <listitem>
<para>
- Restructure WAL files to better handle timeline changes during
- recovery (Heikki Linnakangas)
+ If you have WAL backup or restore scripts that took the skipping
+ into account, they need to be adjusted.
</para>
</listitem>
<listitem>
<para>
- Restructure WAL files to use a more compact storage format (Heikki Linnakangas)
+ Change the WAL record format to allow splitting the record header
+ across pages (Heikki Linnakangas)
+ </para>
+
+ <para>
+ The new format is slightly more compact.
</para>
</listitem>
<listitem>
<para>
- Add CREATE SCHEMA ... IF NOT EXIST clause (Fabrízio de
+ Add CREATE SCHEMA ... IF NOT EXISTS clause (Fabrízio de
Royes Mello)
</para>
</listitem>
<listitem>
<para>
- Allow CREATE TABLE IF NOT EXIST to succeed for a non-existent schema
+ Allow CREATE TABLE IF NOT EXISTS to succeed for a non-existent schema
(Bruce Momjian)
</para>
</para>
<para>
- INSTEAD rules are still available for complex views.
+ Simple views that reference some or all columns from a single base table
+ are now updatable by default. More complex views can be made updatable
+ using INSTEAD OF triggers or INSTEAD rules.
</para>
</listitem>
</para>
</listitem>
+ <listitem>
+ <para>
+ Use a 64-bit integer to represent WAL positions (XLogRecPtr)
+ instead of two 32-bit integers (Heikki Linnakangas)
+ </para>
+
+ <para>
+ Generally, tools that need to read the WAL format will need to
+ be adjusted.
+ </para>
+ </listitem>
+
<listitem>
<para>
Allow PL/Python to support platform-specific include directories (Peter Eisentraut)