<note>
<title>Release Date</title>
- <simpara>2012-??-??</simpara>
- <simpara>CURRENT AS OF 2012-08-21</simpara>
+ <simpara>2012-09-10</simpara>
</note>
<sect2>
<listitem>
<para>
- Allow <application>pg_basebackup</> to make base backups from
- standby servers
+ Allow <link
+ linkend="app-pgbasebackup"><application>pg_basebackup</></link>
+ to make base backups from standby servers
</para>
</listitem>
<listitem>
<para>
- No longer forcibly lowercase procedural language names (Robert Haas)
+ No longer forcibly lowercase procedural language names in <link
+ linkend="SQL-CREATEFUNCTION"><command>CREATE FUNCTION</></link>
+ (Robert Haas)
</para>
<para>
<listitem>
<para>
- Reduce overhead of creating virtual transaction id locks (Robert
+ Reduce overhead of creating virtual transaction ID locks (Robert
Haas)
</para>
</listitem>
</para>
<para>
- This allows Windows sessions to use more open file descriptors.
+ This allows Windows sessions to use more open file descriptors than
+ before.
</para>
</listitem>
</para>
<para>
- This is only enabled when <link
+ This check is only performed when <link
linkend="guc-constraint-exclusion"><varname>constraint_exclusion</></link>
is <literal>on</literal>.
</para>
<para>
This change improves selectivity estimation for the array
<literal><@</literal>, <literal>&&</literal>, and
- <literal>@></literal> (containment and overlaps) array operators.
+ <literal>@></literal> operators (array containment and overlaps).
</para>
</listitem>
Change <quote>unexpected EOF</> messages to <literal>DEBUG1</> level,
except when there is an open transaction (Magnus Hagander)
</para>
+
+ <para>
+ This change reduces log chatter caused by applications that close
+ database connections ungracefully.
+ </para>
</listitem>
</itemizedlist>
Silently ignore nonexistent schemas specified in <link
linkend="guc-search-path"><varname>search_path</></link> (Tom Lane)
</para>
+
+ <para>
+ This makes it more convenient to use generic path settings, which
+ might include some schemas that don't exist in all databases.
+ </para>
</listitem>
<listitem>
<para>
The system now remembers whether a <command>SET</command> was
- performed by a superuser.
+ performed by a superuser, so that proper privilege checking can be
+ done when the extension is loaded.
</para>
</listitem>
<listitem>
<para>
- Allow streaming of WAL files while <link linkend="app-pgbasebackup"><application>pg_basebackup</></link>
- is performing a backup (Magnus Hagander)
+ Allow <link
+ linkend="app-pgbasebackup"><application>pg_basebackup</></link>
+ to make base backups from standby servers (Jun Ishizuka, Fujii Masao)
</para>
<para>
- This allows passing of WAL files to the standby before they are
- discarded on the primary.
+ This feature lets the work of making new base backups be off-loaded
+ from the primary server.
</para>
</listitem>
<listitem>
<para>
- Allow <application>pg_basebackup</> to make base backups from
- standby servers (Jun Ishizuka, Fujii Masao)
+ Allow streaming of WAL files while <application>pg_basebackup</>
+ is performing a backup (Magnus Hagander)
+ </para>
+
+ <para>
+ This allows passing of WAL files to the standby before they are
+ discarded on the primary.
</para>
</listitem>
<listitem>
<para>
- Cancel queries if clients get disconnected (Florian Pflug)
+ Cancel the running query if the client gets disconnected
+ (Florian Pflug)
+ </para>
+
+ <para>
+ If the backend detects loss of client connection during a query, it
+ will now cancel the query rather than attempting to finish it.
</para>
</listitem>
<listitem>
<para>
- Warn about casts to and from domain types (Robert Haas)
+ Warn about creating casts to or from domain types (Robert Haas)
</para>
<para>
<listitem>
<para>
- Improve pretty printing of view definitions (Andrew Dunstan)
+ Improve pretty-printing of view definitions (Andrew Dunstan)
</para>
</listitem>
<para>
Reduce need to rebuild tables and indexes for certain <link
linkend="SQL-ALTERTABLE"><command>ALTER TABLE</command></link>
- operations (Noah Misch)
+ ... <literal>ALTER COLUMN TYPE</> operations (Noah Misch)
</para>
<para>
Increasing the length limit for a <type>varchar</> or <type>varbit</>
- column, or removing it altogether, no longer requires a table
+ column, or removing the limit altogether, no longer requires a table
rewrite. Similarly, increasing the allowable precision of a
<type>numeric</> column, or changing a column from constrained
<type>numeric</> to unconstrained <type>numeric</>, no longer
<listitem>
<para>
- Add <literal>IF EXISTS</> clause to some <command>ALTER</command>
+ Add <literal>IF EXISTS</> options to some <command>ALTER</command>
commands (Pavel Stehule)
</para>
<listitem>
<para>
- Allow vacuum to more easily skip pages that cannot be locked
- (Simon Riggs, Robert Haas)
+ Allow <link linkend="SQL-VACUUM"><command>VACUUM</></link> to more
+ easily skip pages that cannot be locked (Simon Riggs, Robert Haas)
</para>
<para>
- This change should greatly reduce the incidence of vacuum getting
- <quote>stuck</>.
+ This change should greatly reduce the incidence of <command>VACUUM</>
+ getting <quote>stuck</> waiting for other sessions.
</para>
</listitem>
</para>
<para>
- Previously only superusers could use these functions.
+ Previously only superusers were allowed to use these functions.
</para>
</listitem>
<listitem>
<para>
- Allow inclusion of a script file relative to the directory of the
- file from which it was invoked (Gurjeet Singh)
+ Allow inclusion of a script file that is named relative to the
+ directory of the file from which it was invoked (Gurjeet Singh)
</para>
<para>
</para>
<para>
- Specifically, <envar>PSQL_HISTORY</envar> and
- <envar>PSQLRC</envar> determine these file names if set.
+ <envar>PSQL_HISTORY</envar> and <envar>PSQLRC</envar> now
+ determine these file names if set.
</para>
</listitem>
<listitem>
<para>
- Make <application>psql</>'s temporary editor files use a
+ Name <application>psql</>'s temporary editor files with a
<filename>.sql</> extension (Peter Eisentraut)
</para>
</para>
<para>
- Various shell tools use zero-byte (NUL) separators, e.g. find.
+ Various shell tools use zero-byte (NUL) separators,
+ e.g. <application>find</>.
</para>
</listitem>
projects / postgresql / commitdiff