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9.3 release note updates from Dean Rasheed, Jov, Heikki Linnakangas,

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Erikjan Rijkers
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Bruce Momjian 2013-04-23 17:06:17 -04:00
parent cc7b0c2553
commit 2d3edce6b3
1 changed files with 28 additions and 11 deletions
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39
doc/src/sgml/release-9.3.sgml
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@ -198,9 +198,9 @@
<listitem> <listitem>
<para> <para>
Improve performance of the CREATE TABLE ... ON COMMIT DELETE ROWS Improve performance of the CREATE TEMPORARY TABLE ... ON COMMIT
clause by only issuing delete if the temporary table was accessed DELETE ROWS clause by only issuing delete if the temporary table
(Heikki Linnakangas) was accessed (Heikki Linnakangas)
</para> </para>
</listitem> </listitem>
@ -516,18 +516,21 @@
Store WAL in a continuous stream, rather than skipping the last Store WAL in a continuous stream, rather than skipping the last
16MB segment every 4GB (Heikki Linnakangas) BACKWARD COMPATIBLE BREAK 16MB segment every 4GB (Heikki Linnakangas) BACKWARD COMPATIBLE BREAK
</para> </para>
</listitem>
<listitem>
<para> <para>
Restructure WAL files to better handle timeline changes during If you have WAL backup or restore scripts that took the skipping
recovery (Heikki Linnakangas) into account, they need to be adjusted.
</para> </para>
</listitem> </listitem>
<listitem> <listitem>
<para> <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> </para>
</listitem> </listitem>
@ -600,7 +603,7 @@
<listitem> <listitem>
<para> <para>
Add CREATE SCHEMA ... IF NOT EXIST clause (Fabr&iacute;zio de Add CREATE SCHEMA ... IF NOT EXISTS clause (Fabr&iacute;zio de
Royes Mello) Royes Mello)
</para> </para>
</listitem> </listitem>
@ -638,7 +641,7 @@
<listitem> <listitem>
<para> <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) (Bruce Momjian)
</para> </para>
@ -762,7 +765,9 @@
</para> </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> </para>
</listitem> </listitem>
@ -1478,6 +1483,18 @@
</para> </para>
</listitem> </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> <listitem>
<para> <para>
Allow PL/Python to support platform-specific include directories (Peter Eisentraut) Allow PL/Python to support platform-specific include directories (Peter Eisentraut)