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	Sync release notes with CVS HEAD; various editorial improvements.
This commit is contained in:
		
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				@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.557 2007/11/30 03:27:48 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.558 2007/12/02 03:47:11 tgl Exp $ -->
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		||||
<!--
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		||||
 | 
			
		||||
Typical markup:
 | 
			
		||||
@ -41,7 +41,7 @@ do it for earlier branch release files.
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		||||
  <note>
 | 
			
		||||
   <title>Release date</title>
 | 
			
		||||
   <simpara>2007-12-??</simpara>
 | 
			
		||||
   <para>CURRENT AS OF 2007-11-29</>
 | 
			
		||||
   <para>CURRENT AS OF 2007-12-01</>
 | 
			
		||||
  </note>
 | 
			
		||||
 | 
			
		||||
  <sect2>
 | 
			
		||||
@ -380,8 +380,8 @@ current_date < 2017-11-17
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       <command>ALTER SEQUENCE</> no longer affects <function>currval()</>
 | 
			
		||||
       (Tom)
 | 
			
		||||
       <command>ALTER SEQUENCE</> no longer affects the sequence's
 | 
			
		||||
       <function>currval()</> state (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -545,6 +545,23 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Disallow database encodings that are inconsistent with the server's
 | 
			
		||||
       locale setting (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       On most platforms, <literal>C</> locale is the only locale that
 | 
			
		||||
       will work with any database encoding.  Other locale settings imply
 | 
			
		||||
       a specific encoding and will misbehave if the database encoding
 | 
			
		||||
       is something different.  (Typical symptoms include bogus textual
 | 
			
		||||
       sort order and wrong results from <function>upper()</> or
 | 
			
		||||
       <function>lower()</>.)  The server now rejects attempts to create
 | 
			
		||||
       databases that have an incompatible encoding.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Ensure that <function>chr()</function> cannot create
 | 
			
		||||
@ -738,6 +755,19 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Avoid incrementing the command counter after a read-only command (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       There was formerly a hard limit of 2<superscript>32</>
 | 
			
		||||
       (4 billion) commands per transaction.  Now only commands that
 | 
			
		||||
       actually changed the database count, so while this limit still
 | 
			
		||||
       exists, it should be significantly less annoying.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Create a dedicated <acronym>WAL</> writer process to off-load
 | 
			
		||||
@ -814,6 +844,12 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Speed up operator lookup for cases with non-exact datatype matches (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
    </itemizedlist>
 | 
			
		||||
 | 
			
		||||
   </sect3>
 | 
			
		||||
@ -900,6 +936,40 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Guard against a very-low-probability data loss scenario by preventing
 | 
			
		||||
       re-use of a deleted table's relfilenode until after the next
 | 
			
		||||
       checkpoint (Heikki)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Fix <command>CREATE CONSTRAINT TRIGGER</>
 | 
			
		||||
       to convert old-style foreign key trigger definitions into regular
 | 
			
		||||
       foreign key constraints (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       This will ease porting of foreign key constraints carried forward from
 | 
			
		||||
       pre-7.3 databases, if they were never converted using
 | 
			
		||||
       <filename>contrib/adddepend</>.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Fix <literal>DEFAULT NULL</> to override inherited defaults (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       <literal>DEFAULT NULL</> was formerly considered a noise phrase, but it
 | 
			
		||||
       should (and now does) override non-null defaults that would otherwise
 | 
			
		||||
       be inherited from a parent table or domain.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add new encodings EUC_JIS_2004 and SHIFT_JIS_2004 (Tatsuo)
 | 
			
		||||
@ -914,7 +984,12 @@ current_date < 2017-11-17
 | 
			
		||||
      <para>
 | 
			
		||||
       Change server startup log message from <quote>database system is
 | 
			
		||||
       ready</quote> to <quote>database system is ready to accept
 | 
			
		||||
       connections</quote>
 | 
			
		||||
       connections</quote>, and adjust its timing
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       The message now appears only when the postmaster is really ready
 | 
			
		||||
       to accept connections.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -995,8 +1070,8 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       CSV-format log files can be loaded into a database table for subsequent
 | 
			
		||||
       analysis.
 | 
			
		||||
       CSV-format log files can easily be loaded into a database table for
 | 
			
		||||
       subsequent analysis.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -1066,7 +1141,7 @@ current_date < 2017-11-17
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Fix pgstats counting of live and dead tuples to recognize that
 | 
			
		||||
       Fix statistical counting of live and dead tuples to recognize that
 | 
			
		||||
       committed and aborted transactions have different effects (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
@ -1240,15 +1315,27 @@ current_date < 2017-11-17
 | 
			
		||||
       Create a general mechanism that supports casts to and from the
 | 
			
		||||
       standard string types (<type>TEXT</type>, <type>VARCHAR</type>,
 | 
			
		||||
       <type>CHAR</type>) for <emphasis>every</emphasis> datatype, by
 | 
			
		||||
       invoking the datatype's I/O functions (Tom)  XXX examples?
 | 
			
		||||
       invoking the datatype's I/O functions (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       Previously, such casts were available only for types that had
 | 
			
		||||
       specialized function(s) for the purpose.
 | 
			
		||||
       These new casts are assignment-only in the to-string direction,
 | 
			
		||||
       explicit-only in the other direction, and therefore should create no
 | 
			
		||||
       surprising behavior.  Various
 | 
			
		||||
       datatype-specific casting functions that were equivalent to this
 | 
			
		||||
       behavior were removed.
 | 
			
		||||
       surprising behavior.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow <literal>UNION</> and related constructs to return a domain
 | 
			
		||||
       type, when all inputs are of that domain type (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       Formerly, the output would be considered to be of the domain's base
 | 
			
		||||
       type.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -1263,8 +1350,7 @@ current_date < 2017-11-17
 | 
			
		||||
       comparisons, if the data types have compatible hash functions.
 | 
			
		||||
       Currently, cross-data-type hashing support exists for
 | 
			
		||||
       <type>smallint</type>/<type>integer</type>/<type>bigint</type>,
 | 
			
		||||
       and for <type>float4</type>/<type>float8</type>.  XXX how do you do
 | 
			
		||||
       hash aggregate two different data types
 | 
			
		||||
       and for <type>float4</type>/<type>float8</type>.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -1360,8 +1446,8 @@ current_date < 2017-11-17
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       This allows a user-defined type to take a modifier, like
 | 
			
		||||
       <type>ssnum(7)</>.  Previously only
 | 
			
		||||
       predefined system data types could have modifiers.
 | 
			
		||||
       <type>ssnum(7)</>.  Previously only built-in
 | 
			
		||||
       data types could have modifiers.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -1428,7 +1514,7 @@ current_date < 2017-11-17
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Implement <command>CREATE TABLE LIKE ...  INCLUDING
 | 
			
		||||
       INDEXES</command> (Trevor Hardcastle, Nikhil S, Neil)
 | 
			
		||||
       INDEXES</command> (Trevor Hardcastle, Nikhil Sontakke, Neil)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -1623,7 +1709,7 @@ current_date < 2017-11-17
 | 
			
		||||
       snapshot that does not change during the transaction.  This function
 | 
			
		||||
       allows the snapshot to be discarded and a new snapshot loaded during
 | 
			
		||||
       the next statistics query. This is particularly useful for PL/PgSQL
 | 
			
		||||
       functions which are confined to a single transaction.
 | 
			
		||||
       functions, which are confined to a single transaction.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -1769,6 +1855,17 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Make qualification of variables with block labels work properly (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       Formerly, outer-level block labels could unexpectedly interfere with
 | 
			
		||||
       recognition of inner-level record or row references.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Tighten requirements for <literal>FOR</literal> loop
 | 
			
		||||
@ -1779,7 +1876,6 @@ current_date < 2017-11-17
 | 
			
		||||
       Prevent non-positive <literal>STEP</> values, and handle
 | 
			
		||||
       loop overflows.
 | 
			
		||||
      </para>
 | 
			
		||||
       
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
@ -1800,7 +1896,7 @@ current_date < 2017-11-17
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow type-name arguments to PL/Perl
 | 
			
		||||
       <function>spi_prepare()</function> to be data type aliases in
 | 
			
		||||
       addition to names in <literal>pg_type</literal> (Andrew)
 | 
			
		||||
       addition to names found in <literal>pg_type</literal> (Andrew)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -1808,14 +1904,14 @@ current_date < 2017-11-17
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow type-name arguments to PL/Python 
 | 
			
		||||
       <function>plpy.prepare()</function> to be data type aliases in
 | 
			
		||||
       addition to names in <literal>pg_type</literal> (Andrew)
 | 
			
		||||
       addition to names found in <literal>pg_type</literal> (Andrew)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow type-name arguments to PL/Tcl <function>spi_prepare</> to 
 | 
			
		||||
       be data type aliases in addition to names in
 | 
			
		||||
       be data type aliases in addition to names found in
 | 
			
		||||
       <literal>pg_type</literal> (Andrew)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
@ -1920,6 +2016,13 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Correctly detect and report errors while reading a <literal>-f</>
 | 
			
		||||
       input file (Peter)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
    </itemizedlist>
 | 
			
		||||
 | 
			
		||||
   </sect3>
 | 
			
		||||
@ -1993,19 +2096,21 @@ current_date < 2017-11-17
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add <application>pg_ctl</> timeout parameter (Bruce)
 | 
			
		||||
       Add a <literal>-t</> (timeout) parameter to <application>pg_ctl</>
 | 
			
		||||
       (Bruce)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       This controls how long <application>pg_ctl</> will wait when waiting
 | 
			
		||||
       for server startup or shutdown.
 | 
			
		||||
       for server startup or shutdown.  Formerly the timeout was hard-wired
 | 
			
		||||
       as 60 seconds.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add <application>pg_ctl</> option to control generation
 | 
			
		||||
       of core dumps (Andrew)
 | 
			
		||||
       Add a <application>pg_ctl</> option to control generation
 | 
			
		||||
       of server core dumps (Andrew)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -2082,7 +2187,7 @@ current_date < 2017-11-17
 | 
			
		||||
      <para>
 | 
			
		||||
       If this returns true after a failed connection attempt, a client
 | 
			
		||||
       application should prompt the user for a password.  In the past
 | 
			
		||||
       applications have had to check for a specific error messages to
 | 
			
		||||
       applications have had to check for a specific error message string to
 | 
			
		||||
       decide whether a password is needed; that approach is now
 | 
			
		||||
       deprecated.
 | 
			
		||||
      </para>
 | 
			
		||||
@ -2120,7 +2225,7 @@ current_date < 2017-11-17
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Make ecpg libraries export only necessary API symbols (Michael)
 | 
			
		||||
       Make the ecpg libraries export only necessary API symbols (Michael)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -2147,6 +2252,13 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Drastically reduce postmaster's memory usage when it has many child
 | 
			
		||||
       processes (Magnus)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow regression tests to be started by an administrative
 | 
			
		||||
@ -2168,6 +2280,17 @@ current_date < 2017-11-17
 | 
			
		||||
    <title>Server Programming Interface (<acronym>SPI</>)</title>
 | 
			
		||||
    <itemizedlist>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add cursor-related functionality in SPI (Pavel Stehule)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow access to the cursor-related planning options, and add
 | 
			
		||||
       <command>FETCH</>/<command>MOVE</> routines.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow execution of cursor commands through
 | 
			
		||||
@ -2182,7 +2305,7 @@ current_date < 2017-11-17
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       SPI plan pointers are now <literal>SPIPlanPtr</> instead of
 | 
			
		||||
       SPI plan pointers are now declared as <literal>SPIPlanPtr</> instead of
 | 
			
		||||
       <literal>void *</> (Tom)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
@ -2192,17 +2315,6 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add cursor-related functionality in SPI (Pavel Stehule)
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow access to the cursor-related planning options, and add
 | 
			
		||||
       <command>FETCH</>/<command>MOVE</> routines.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
    </itemizedlist>
 | 
			
		||||
 | 
			
		||||
   </sect3>
 | 
			
		||||
@ -2213,16 +2325,16 @@ current_date < 2017-11-17
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add <application>configure</> <literal>--enable-profiling</>
 | 
			
		||||
       Add <application>configure</> option <literal>--enable-profiling</>
 | 
			
		||||
       to enable code profiling (works only with <application>gcc</>)
 | 
			
		||||
       (Korry Douglas and Nikhil S)
 | 
			
		||||
       (Korry Douglas and Nikhil Sontakke)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add <application>configure</> <literal>--with-system-tzdata</>
 | 
			
		||||
       to use the operating system time zone database (Peter)
 | 
			
		||||
       Add <application>configure</> option <literal>--with-system-tzdata</>
 | 
			
		||||
       to use the operating system's time zone database (Peter)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -2241,8 +2353,8 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
 | 
			
		||||
      <para>
 | 
			
		||||
       Documentions builds will now build indexes by default, unless
 | 
			
		||||
       <literal>draft</> is used.
 | 
			
		||||
       Unless <literal>draft</> is used, the documentation build will
 | 
			
		||||
       now be repeated if necessary to ensure the index is up-to-date.
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -2311,7 +2423,8 @@ current_date < 2017-11-17
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add tas() support for Renesas' M32R processor (Kazuhiro Inaoka)
 | 
			
		||||
       Add <function>tas()</> support for Renesas' M32R processor
 | 
			
		||||
       (Kazuhiro Inaoka)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
@ -2396,6 +2509,16 @@ current_date < 2017-11-17
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Add <filename>contrib/dict_int</filename>,
 | 
			
		||||
       <filename>contrib/dict_xsyn</filename>, and
 | 
			
		||||
       <filename>contrib/test_parser</filename> modules to provide
 | 
			
		||||
       sample add-on text search dictionary templates and parsers
 | 
			
		||||
       (Sergey Karpov)
 | 
			
		||||
      </para>
 | 
			
		||||
     </listitem>
 | 
			
		||||
 | 
			
		||||
     <listitem>
 | 
			
		||||
      <para>
 | 
			
		||||
       Allow <application>contrib/pgbench</> to set the fillfactor (Pavan
 | 
			
		||||
 | 
			
		||||
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		Reference in New Issue
	
	Block a user