From 23a9ac618e87ec1ef07a1901b62d3823d97e8cdd Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sun, 26 Apr 2009 20:08:30 +0000
Subject: [PATCH] Some more work on the 8.4 release notes. Document a few
changes that Bruce apparently found uninteresting, and do minor wordsmithing
on a number of the existing entries.
---
doc/src/sgml/release.sgml | 516 ++++++++++++++++++++++++--------------
1 file changed, 327 insertions(+), 189 deletions(-)
diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml
index fce35576532..ed6465021e6 100644
--- a/doc/src/sgml/release.sgml
+++ b/doc/src/sgml/release.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.631 2009/04/24 13:01:30 mha Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.632 2009/04/26 20:08:30 tgl Exp $ -->
<!--
Typical markup:
@@ -277,7 +277,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Disable appending of the epoch date/time when no <literal>%</>
+ Remove automatic appending of the epoch timestamp when no <literal>%</>
escapes are present in <literal>log_filename</> (Robert Haas)
</para>
@@ -301,9 +301,9 @@ do it for earlier branch release files.
</para>
<para>
- This breaks compatibility with pre-<productname>PostgreSQL</> 7.2
- clients, as there is no longer any non-plaintext password method
- that they can use.
+ This effectively obsoletes pre-<productname>PostgreSQL</> 7.2 client
+ libraries, as there is no longer any non-plaintext password method that
+ they can use.
</para>
</listitem>
@@ -491,6 +491,18 @@ do it for earlier branch release files.
</para>
</listitem>
+ <listitem>
+ <para>
+ Adopt a faster algorithm for hash functions (Kenneth Marshall,
+ based on work of Bob Jenkins)
+ </para>
+
+ <para>
+ Many of the built-in hash functions now deliver different results on
+ little-endian and big-endian platforms.
+ </para>
+ </listitem>
+
</itemizedlist>
<sect4>
@@ -615,6 +627,18 @@ do it for earlier branch release files.
</para>
</listitem>
+ <listitem>
+ <para>
+ Improve optimization of sub-selects beneath outer joins (Tom)
+ </para>
+
+ <para>
+ Formerly, a sub-select or view could not be optimized very well if it
+ appeared within the nullable side of an outer join and contained
+ non-strict expressions (for instance, constants) in its result list.
+ </para>
+ </listitem>
+
<listitem>
<para>
Improve the performance of <function>text_position()</> and
@@ -623,7 +647,7 @@ do it for earlier branch release files.
</para>
<para>
- This is particularly useful for long search patterns.
+ This is particularly helpful for long search patterns.
</para>
</listitem>
@@ -707,6 +731,12 @@ do it for earlier branch release files.
</para>
</listitem>
+ <listitem>
+ <para>
+ Improve performance of shared cache invalidation (Tom)
+ </para>
+ </listitem>
+
</itemizedlist>
</sect3>
@@ -722,7 +752,7 @@ do it for earlier branch release files.
<listitem>
<para>
Convert many <filename>postgresql.conf</> settings to enumerated
- values so <literal>pg_settings</> can display valid
+ values so that <literal>pg_settings</> can display the valid
values (Magnus)
</para>
</listitem>
@@ -950,8 +980,8 @@ do it for earlier branch release files.
<listitem>
<para>
Add <function>pg_conf_load_time()</> to report when
- the Postgres configuration files were last loaded (George
- Gensure)
+ the <productname>PostgreSQL</> configuration files were last loaded
+ (George Gensure)
</para>
</listitem>
@@ -1013,23 +1043,22 @@ do it for earlier branch release files.
<listitem>
<para>
- New <function>pg_stat_get_activity(pid)</> function to return
+ Add <function>pg_stat_get_activity(pid)</> function to return
information about a specific process id (Magnus)
</para>
</listitem>
<listitem>
<para>
- Move the server statistics file into the subdirectory
- <filename>pg_stat_tmp</> and allow its location to be specified
+ Allow the location of the server's statistics file to be specified
via <varname>stats_temp_directory</> (Magnus)
</para>
<para>
This allows the statistics file to be placed in a
<acronym>RAM</>-resident directory to reduce I/O requirements.
- On startup/shutdown, the file is copied to the top-level
- <literal>$PGDATA</> directory so it is preserved across restarts.
+ On startup/shutdown, the file is copied to its traditional location
+ (<literal>$PGDATA/global/</>) so it is preserved across restarts.
</para>
</listitem>
@@ -1058,7 +1087,7 @@ do it for earlier branch release files.
<listitem>
<para>
- New <command>TABLE</> command (Peter)
+ Add <command>TABLE</> command (Peter)
</para>
<para>
@@ -1147,7 +1176,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Add support for Unicode string and identifier specifications
+ Add support for Unicode string literal and identifier specifications
using code points, e.g. <literal>U&'d\0061t\+000061'</>
(Peter)
</para>
@@ -1178,8 +1207,8 @@ do it for earlier branch release files.
<listitem>
<para>
- Add <command>TRUNCATE TABLE</> ...
- <literal>RESTART</>/<literal>CONTINUE IDENTITY</> clauses
+ Add <literal>RESTART</>/<literal>CONTINUE IDENTITY</> options
+ for <command>TRUNCATE TABLE</>
(Zoltan Boszormenyi)
</para>
@@ -1287,15 +1316,29 @@ do it for earlier branch release files.
<listitem>
<para>
- Improve reporting of dependencies during <command>DROP</>
- commands (Alex Hunsaker)
+ Refactor multi-object <command>DROP</> operations to reduce the
+ need for <literal>CASCADE</> (Alex Hunsaker)
+ </para>
+
+ <para>
+ For example, if table <literal>B</> has a dependency on table
+ <literal>A</>, the command <literal>DROP TABLE A, B</> no longer
+ requires the <literal>CASCADE</> option.
</para>
</listitem>
<listitem>
<para>
- Refactor multi-object <command>DROP</> operations so conflicting
- dependencies do not generate an error (Alex Hunsaker)
+ Fix various problems with concurrent <command>DROP</> commands
+ by ensuring that locks are taken before we begin to drop dependencies
+ of an object (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve reporting of dependencies during <command>DROP</>
+ commands (Tom)
</para>
</listitem>
@@ -1330,6 +1373,18 @@ do it for earlier branch release files.
</para>
</listitem>
+ <listitem>
+ <para>
+ Allow specification of the type category and <quote>preferred</>
+ status for user-defined base types (Tom)
+ </para>
+
+ <para>
+ This allows more control over the coercion behavior of user-defined
+ types.
+ </para>
+ </listitem>
+
<listitem>
<para>
Allow <command>CREATE OR REPLACE VIEW</> to add columns to the
@@ -1475,7 +1530,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Add a verbose option to the <command>CLUSTER</> command and
+ Add a <literal>VERBOSE</> option to the <command>CLUSTER</> command and
<application>clusterdb</> (Jim Cox)
</para>
</listitem>
@@ -1496,7 +1551,7 @@ do it for earlier branch release files.
<listitem>
<para>
Dramatically improve the speed of building and accessing hash
- indexes (Tom Raney, Shreya Bhargava, Kenneth Marshall)
+ indexes (Tom Raney, Shreya Bhargava)
</para>
<para>
@@ -1507,8 +1562,8 @@ do it for earlier branch release files.
<listitem>
<para>
- Make hash indexes store only the hashed value, not the full
- indexed columns (Xiao Meng)
+ Make hash indexes store only the hash code, not the full value of
+ the indexed column (Xiao Meng)
</para>
<para>
@@ -1519,7 +1574,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Implement fast update for GIN indexes (Teodor, Oleg)
+ Implement fast update option for GIN indexes (Teodor, Oleg)
</para>
<para>
@@ -1546,7 +1601,7 @@ do it for earlier branch release files.
<listitem>
<para>
Remove the requirement to use <literal>@@@</> when doing
- <acronym>GIN</> weighted lookups on full text indexes (Tom)
+ <acronym>GIN</> weighted lookups on full text indexes (Tom, Teodor)
</para>
<para>
@@ -1562,13 +1617,6 @@ do it for earlier branch release files.
</para>
</listitem>
- <listitem>
- <para>
- Add partial match support for <acronym>GIN</> indexes (Teodor
- Sigaev, Oleg Bartunov)
- </para>
- </listitem>
-
<listitem>
<para>
Allow prefix matching in full text searches (Teodor Sigaev,
@@ -1627,7 +1675,7 @@ do it for earlier branch release files.
<para>
Add <varname>vacuum_freeze_table_age</> parameter to control
when <command>VACUUM</> should ignore the visibility map and
- do a full table scan to set frozen xids (Heikki)
+ do a full table scan to freeze tuples (Heikki)
</para>
</listitem>
@@ -1637,8 +1685,8 @@ do it for earlier branch release files.
</para>
<para>
- This can improve space reuse by <command>VACUUM</> in the presence of
- long-running transactions.
+ This improves <command>VACUUM</>'s ability to reclaim space
+ in the presence of long-running transactions.
</para>
</listitem>
@@ -1737,40 +1785,53 @@ do it for earlier branch release files.
<listitem>
<para>
- Include <acronym>SGT</> (Singapore time) as a valid time zone
- abbreviation (Tom)
+ Include <literal>SGT</> (Singapore time) in the default list of
+ known time zone abbreviations (Tom)
</para>
</listitem>
<listitem>
<para>
- Support the <acronym>IS0 8601</> <type>interval</> syntax (Ron
- Mayer, Kevin Grittner)
+ Support <literal>infinity</> and <literal>-infinity</> as
+ values of type <type>date</> (Tom)
</para>
+ </listitem>
+ <listitem>
<para>
- For example, <literal>INTERVAL 'P1Y2M3DT4H5M6.7S'</> is now
- supported.
+ Make parsing of <type>interval</> literals more standard-compliant (Tom)
+ </para>
+
+ <para>
+ For example, <literal>INTERVAL '1' YEAR</> now does what it's
+ supposed to.
</para>
</listitem>
<listitem>
<para>
- Allow <type>interval</> precision to be specified after the
- last field, for <acronym>SQL</>-standards compliance (Tom)
+ Allow <type>interval</> fractional-seconds precision to be specified
+ after the <literal>second</> keyword, for <acronym>SQL</> standard
+ compliance (Tom)
</para>
<para>
Formerly the precision had to be specified after the keyword
- <type>interval</> (this syntax is still supported). Data type
- definitions will now be output using the new format.
+ <type>interval</>. (For backwards compatibility, this syntax is still
+ supported, though deprecated.) Data type definitions will now be
+ output using the standard format.
</para>
</listitem>
<listitem>
<para>
- Support <literal>infinity</> and <literal>-infinity</> as
- values of type <type>date</> (Tom)
+ Support the <acronym>IS0 8601</> <type>interval</> syntax (Ron
+ Mayer, Kevin Grittner)
+ </para>
+
+ <para>
+ For example, <literal>INTERVAL 'P1Y2M3DT4H5M6.7S'</> is now
+ supported.
</para>
</listitem>
@@ -1844,7 +1905,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Add new aggregate function <function>array_agg()</>, which
+ Add aggregate function <function>array_agg()</>, which
returns all aggregated values as a single array (Robert Haas,
Jeff Davis, Peter)
</para>
@@ -1870,15 +1931,8 @@ do it for earlier branch release files.
<listitem>
<para>
- Add <function>generate_subscripts()</> to generate array
- subscripts (Pavel Stehule)
- </para>
- </listitem>
-
- <listitem>
- <para>
- Generate proper error if a <type>SERIAL</> array is specified
- (Tom)
+ Add <function>generate_subscripts()</> to simplify generating
+ the range of an array's subscripts (Pavel Stehule)
</para>
</listitem>
@@ -1907,10 +1961,9 @@ do it for earlier branch release files.
<listitem>
<para>
- Improve toast heuristics for rows including a mix of large and
- small toastable fields, so that we prefer to push large values
- out of line and don't compress small values unnecessarily
- (Greg, Tom)
+ Improve <acronym>TOAST</> heuristics for rows that have a mix of large
+ and small toastable fields, so that we prefer to push large values out
+ of line and don't compress small values unnecessarily (Greg, Tom)
</para>
</listitem>
@@ -1950,14 +2003,14 @@ do it for earlier branch release files.
<listitem>
<para>
Improve full text search <function>headline()</> function to
- allow several fragments (Sushant Sinha)
+ allow extracting several fragments of text (Sushant Sinha)
</para>
</listitem>
<listitem>
<para>
Add <function>suppress_redundant_updates_trigger()</> trigger
- function to prevent non-data-changing updates (Andrew)
+ function to avoid overhead for non-data-changing updates (Andrew)
</para>
</listitem>
@@ -1970,7 +2023,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Add <type>TIMESTAMP</> and <type>TIMESTAMPTZ</> versions of
+ Add <type>timestamp</> and <type>timestamptz</> versions of
<function>generate_series()</> (Hitoshi Harada)
</para>
</listitem>
@@ -2020,6 +2073,18 @@ do it for earlier branch release files.
</para>
</listitem>
+ <listitem>
+ <para>
+ Add source file name and line number columns to
+ <literal>pg_settings</> output for variables set in a configuration
+ file (Magnus, Alvaro)
+ </para>
+
+ <para>
+ For security reasons, these columns are only visible to superusers.
+ </para>
+ </listitem>
+
<listitem>
<para>
Add support for <varname>CURRENT_CATALOG</>,
@@ -2028,7 +2093,7 @@ do it for earlier branch release files.
</para>
<para>
- These are <acronym>SQL</>-standard capabilities.
+ These provide <acronym>SQL</>-standard syntax for existing features.
</para>
</listitem>
@@ -2042,7 +2107,7 @@ do it for earlier branch release files.
<listitem>
<para>
Make <function>version()</> return information about whether
- the server is a 32 or 64-bit binary (Bruce)
+ the server is a 32- or 64-bit binary (Bruce)
</para>
</listitem>
@@ -2072,7 +2137,15 @@ do it for earlier branch release files.
<para>
Make <function>pg_*_is_visible()</> and
<function>has_*_privilege()</> functions return <literal>NULL</>
- for invalid oids, rather than generate an error (Tom)
+ for invalid OIDs, rather than reporting an error (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Extend <function>has_*_privilege()</> functions to allow inquiring
+ about the OR of multiple privileges in one call (Stephen
+ Frost, Tom)
</para>
</listitem>
@@ -2106,8 +2179,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Support <literal>DEFAULT</> values for function arguments (Pavel
- Stehule)
+ Support default values for function arguments (Pavel Stehule)
</para>
</listitem>
@@ -2136,7 +2208,8 @@ do it for earlier branch release files.
<listitem>
<para>
- Support <literal>EXECUTE USING</> (Pavel Stehule)
+ Support <literal>EXECUTE USING</> for easier insertion of data
+ values into a dynamic query string (Pavel Stehule)
</para>
</listitem>
@@ -2166,7 +2239,7 @@ do it for earlier branch release files.
</listitem>
<listitem>
<para>
- Support <literal>SQLSTATE</> error codes
+ Support specification of the <literal>SQLSTATE</> error code
</para>
</listitem>
<listitem>
@@ -2186,7 +2259,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Allow specification of numeric <varname>SQLSTATE</> codes
+ Allow specification of <varname>SQLSTATE</> codes
in <literal>EXCEPTION</> lists (Pavel Stehule)
</para>
@@ -2203,8 +2276,9 @@ do it for earlier branch release files.
<listitem>
<para>
- Add <literal>FOUND</> and <command>GET DIAGNOSTICS</> support
- for the <literal>RETURN QUERY</> statement (Pavel Stehule)
+ Make <command>RETURN QUERY</> set the special <literal>FOUND</> and
+ <command>GET DIAGNOSTICS</> <literal>ROW_COUNT</> variables
+ (Pavel Stehule)
</para>
</listitem>
@@ -2216,12 +2290,6 @@ do it for earlier branch release files.
</para>
</listitem>
- <listitem>
- <para>
- Add message translation support (Alvaro)
- </para>
- </listitem>
-
<listitem>
<para>
Avoid memory leakage when the same function is called at varying
@@ -2250,15 +2318,16 @@ do it for earlier branch release files.
<listitem>
<para>
Add <literal>-w</>/<literal>--no-password</> option that
- suppresses password prompts to all utilities that have a
+ prevents password prompting in all utilities that have a
<literal>-W</>/<literal>--password</> option (Peter)
</para>
</listitem>
<listitem>
<para>
- Remove <literal>-q</> (quiet) option of create* and drop*
- utility commands (Peter)
+ Remove <option>-q</> (quiet) option of <application>createdb</>,
+ <application>createuser</>, <application>dropdb</>,
+ <application>dropuser</> (Peter)
</para>
<para>
@@ -2297,25 +2366,31 @@ do it for earlier branch release files.
<listitem>
<para>
- Use the pager for wide output (Bruce)
+ Allow all supported spellings of boolean values in <command>\pset</>,
+ rather than just <literal>on</> and <literal>off</> (Bruce)
</para>
- </listitem>
- <listitem>
<para>
- Require a space between a backslash command and the first
- argument (Bernd Helmle)
+ Formerly, any string other than <quote>off</> was silently taken
+ to mean <literal>true</>. <application>psql</> will now complain
+ about unrecognized spellings (but still take them as <literal>true</>).
</para>
+ </listitem>
+ <listitem>
<para>
- This removes a historical source of ambiguity.
+ Use the pager for wide output (Bruce)
</para>
</listitem>
<listitem>
<para>
- Display access control rights on multiple lines (Brendan
- Jurd, Andreas Scherbaum)
+ Require a space between a one-letter backslash command and its first
+ argument (Bernd Helmle)
+ </para>
+
+ <para>
+ This removes a historical source of ambiguity.
</para>
</listitem>
@@ -2328,21 +2403,21 @@ do it for earlier branch release files.
<listitem>
<para>
- Allow all supported spellings of boolean values in <command>\pset</>,
- rather than just <literal>on</> and <literal>off</> (Bruce)
+ Add optional <literal>on</>/<literal>off</> argument for
+ <command>\timing</> (David Fetter)
</para>
</listitem>
<listitem>
<para>
- Add optional <literal>on</>/<literal>off</> arguments for
- <command>\timing</> (David Fetter)
+ Display access control rights on multiple lines (Brendan
+ Jurd, Andreas Scherbaum)
</para>
</listitem>
<listitem>
<para>
- Make <command>\l</> show access privileges (Andrew Gilligan)
+ Make <command>\l</> show database access privileges (Andrew Gilligan)
</para>
</listitem>
@@ -2366,68 +2441,72 @@ do it for earlier branch release files.
<sect4>
<title><application>psql</> \d* commands</title>
+
<itemizedlist>
<listitem>
<para>
- Make <command>\d</> show cases where the current table is referenced
- by a foreign-key constraint (Kenneth D'Souza)
+ Make <command>\d*</> commands that do not have a pattern argument
+ show system objects only if the <literal>S</> modifier is specified
+ (Greg Sabino Mullane, Bruce)
</para>
- </listitem>
- <listitem>
<para>
- Make <command>\d</> on a sequence show its column values
- (Euler Taveira de Oliveira)
+ The former behavior was inconsistent across different variants
+ of <command>\d</>, and in most cases it provided no easy way to see
+ just user objects.
</para>
</listitem>
<listitem>
<para>
- Add column storage type and other relation options to the
- <command>\d+</> display (Gregory Stark, Euler Taveira de
- Oliveira)
+ Improve <command>\d*</> commands to work with older
+ <productname>PostgreSQL</> server versions (back to 7.4),
+ not only the current server version
+ (Guillaume Lelarge)
</para>
</listitem>
<listitem>
<para>
- Show relation size in <command>\dt+</> output (Dickson S.
- Guedes)
+ Make <command>\d</> show foreign-key constraints that reference
+ the selected table (Kenneth D'Souza)
</para>
</listitem>
<listitem>
<para>
- Make <command>\d*</> commands that do not have a pattern argument
- show system objects only if the <literal>S</> modifier is specified
- (Greg Sabino Mullane, Bruce)
+ Make <command>\d</> on a sequence show its column values
+ (Euler Taveira de Oliveira)
</para>
+ </listitem>
+ <listitem>
<para>
- The former behavior was inconsistent across different variants
- of <command>\d</>, and in most cases it provided no easy way to see
- just user objects.
+ Add column storage type and other relation options to the
+ <command>\d+</> display (Gregory Stark, Euler Taveira de
+ Oliveira)
</para>
</listitem>
<listitem>
<para>
- Show the values of <literal>enum</> types in <command>\dT+</> (David
- Fetter)
+ Show relation size in <command>\dt+</> output (Dickson S.
+ Guedes)
</para>
</listitem>
<listitem>
<para>
- Allow <command>\dC</> to accept wildcard patterns (Tom)
+ Show the possible values of <literal>enum</> types in <command>\dT+</>
+ (David Fetter)
</para>
</listitem>
<listitem>
<para>
- Allow <command>\d*</> commands to work with versions of
- <productname>PostgreSQL</> back to 7.4 (Guillaume Lelarge)
+ Allow <command>\dC</> to accept a wildcard pattern, which matches
+ either datatype involved in the cast (Tom)
</para>
</listitem>
@@ -2472,7 +2551,7 @@ do it for earlier branch release files.
These options were too frequently confused with the option to
select a database name in other <productname>PostgreSQL</>
client applications. The functionality is still available,
- but you must spell out the long option name
+ but you must now spell out the long option name
<option>--inserts</> or <option>--column-inserts</>.
</para>
</listitem>
@@ -2543,13 +2622,6 @@ do it for earlier branch release files.
</para>
</listitem>
- <listitem>
- <para>
- Add new <application>pg_dump</> option <option>--binary-upgrade</>
- for use by binary upgrade utilities (Bruce)
- </para>
- </listitem>
-
</itemizedlist>
</sect4>
@@ -2572,12 +2644,13 @@ do it for earlier branch release files.
<listitem>
<para>
- Add events support (Andrew Chernow, Merlin Moncure)
+ Add <quote>events</> support (Andrew Chernow, Merlin Moncure)
</para>
<para>
- This adds the ability to register callbacks to handle private
- data for connection and result creation and destruction.
+ This adds the ability to register callbacks to manage private
+ data associated with <structname>PGconn</> and <structname>PGresult</>
+ objects.
</para>
</listitem>
@@ -2590,12 +2663,12 @@ do it for earlier branch release files.
<listitem>
<para>
- Make <function>PQexecParams()</> return
+ Make <function>PQexecParams()</> and related functions return
<varname>PGRES_EMPTY_QUERY</> for an empty query (Tom)
</para>
<para>
- It previously returned <varname>PGRES_COMMAND_OK</>.
+ They previously returned <varname>PGRES_COMMAND_OK</>.
</para>
</listitem>
@@ -2651,8 +2724,9 @@ do it for earlier branch release files.
<listitem>
<para>
- Properly unregister <application>OpenSSL</> callbacks when
- libpq is finished with all connections (Bruce, Magnus, Russell Smith)
+ Make <application>libpq</> unregister its <application>OpenSSL</>
+ callbacks when no database connections remain open
+ (Bruce, Magnus, Russell Smith)
</para>
<para>
@@ -2704,7 +2778,7 @@ do it for earlier branch release files.
<listitem>
<para>
- Add new <varname>SPI_OK_REWRITTEN</> return code to
+ Add new <varname>SPI_OK_REWRITTEN</> return code for
<function>SPI_execute()</> (Heikki)
</para>
@@ -2714,6 +2788,18 @@ do it for earlier branch release files.
</para>
</listitem>
+ <listitem>
+ <para>
+ Remove unnecessary inclusions from <filename>executor/spi.h</> (Tom)
+ </para>
+
+ <para>
+ SPI-using modules might need to add some <literal>#include</>
+ lines if they were depending on <filename>spi.h</> to include
+ things for them.
+ </para>
+ </listitem>
+
</itemizedlist>
</sect4>
@@ -2757,18 +2843,23 @@ do it for earlier branch release files.
<para>
Add <application>configure</> option
<literal>--disable-float4-byval</> to use the old behavior.
+ External C functions that use old-style (version 0) call convention
+ and pass or return <type>float4</> values will be broken by this
+ change, so you may need the <application>configure</> option if you
+ have such functions and don't want to update them.
</para>
</listitem>
<listitem>
<para>
- Pass <type>float8</> and <type>int8</> by value in the server
- where possible (Zoltan Boszormenyi)
+ Pass <type>float8</>, <type>int8</>, and related datatypes
+ by value inside the server on 64-bit platforms (Zoltan Boszormenyi)
</para>
<para>
Add <application>configure</> option
<literal>--disable-float8-byval</> to use the old behavior.
+ As above, this change might break old-style external C functions.
</para>
</listitem>
@@ -2823,6 +2914,13 @@ do it for earlier branch release files.
</para>
</listitem>
+ <listitem>
+ <para>
+ Add support for code coverage testing with <application>gcov</>
+ (Michelle Caisse)
+ </para>
+ </listitem>
+
<listitem>
<para>
Allow out-of-tree builds on <productname>Mingw</> and
@@ -2856,6 +2954,20 @@ do it for earlier branch release files.
</para>
</listitem>
+ <listitem>
+ <para>
+ Deprecate use of platform's <type>time_t</> data type (Tom)
+ </para>
+
+ <para>
+ Some platforms have migrated to 64-bit <type>time_t</>, some have
+ not, and Windows can't make up its mind what it's doing. Define
+ <type>pg_time_t</> to have the same meaning as <type>time_t</>,
+ but always be 64 bits (unless the platform has no 64-bit integer type),
+ and use that type in all module APIs and on-disk data formats.
+ </para>
+ </listitem>
+
<listitem>
<para>
Fix bug in handling of the time zone database when cross-compiling
@@ -2879,53 +2991,57 @@ do it for earlier branch release files.
<listitem>
<para>
- Add <application>DTrace</> probes (Robert Lor)
+ Add message translation support to the PL languages (Alvaro, Peter)
</para>
</listitem>
<listitem>
<para>
- Add <application>DTrace</> support on <application>Mac OS X
- Leopard</> (Robert Lor)
+ Add more <application>DTrace</> probes (Robert Lor)
</para>
</listitem>
<listitem>
<para>
- Add new <type>cstring</> to <type>text</> conversion functions
- (Brendan Jurd, Tom)
+ Enable <application>DTrace</> support on <application>Mac OS X
+ Leopard</> and other non-Solaris platforms (Robert Lor)
</para>
</listitem>
<listitem>
<para>
- Add a <structfield>relistemp</> column to <structname>pg_class</>
- to ease identification of temporary tables (Tom)
+ Simplify and standardize conversions between C strings and
+ <type>text</> datums, by providing common functions for the purpose
+ (Brendan Jurd, Tom)
</para>
</listitem>
<listitem>
<para>
- Improve logic for shared cache invalidation (Tom)
+ Clean up the <filename>include/catalog/</> header files so that
+ frontend programs can include them without including
+ <filename>postgres.h</>
+ (Zdenek Kotala)
</para>
</listitem>
<listitem>
<para>
- Make <type>name</> char-aligned (Tom)
+ Make <type>name</> char-aligned, and suppress zero-padding of
+ <type>name</> entries in indexes (Tom)
</para>
</listitem>
<listitem>
<para>
- Add function hook to let plug-ins monitor the executor (Itagaki
+ Add a hook to let plug-ins monitor the executor (Itagaki
Takahiro)
</para>
</listitem>
<listitem>
<para>
- Add a hook to allow the planner statistics lookup behavior to
+ Add a hook to allow the planner's statistics lookup behavior to
be overridden (Simon Riggs)
</para>
</listitem>
@@ -2939,20 +3055,42 @@ do it for earlier branch release files.
<listitem>
<para>
- Replace <literal>pg_class</> column <literal>reltriggers</>
- with boolean <literal>relhastriggers</> (Simon)
+ Replace the index access method <function>amgetmulti</> entry point
+ with <function>amgetbitmap</>, and extend the API for
+ <function>amgettuple</> to support run-time determination of
+ operator lossiness (Heikki, Tom, Teodor)
</para>
<para>
- Also remove unused <literal>pg_class</> columns <literal>relukeys</>,
- <literal>relfkeys</>, and <literal>relrefs</>.
+ The API for GIN and GiST opclass <function>consistent</> functions
+ has been extended as well.
</para>
</listitem>
<listitem>
<para>
- Move <acronym>SQL</>-command manual pages from the <filename>manl</>
- (man-el) section to <filename>man7</> (Peter)
+ Add support for partial-match searches in <acronym>GIN</> indexes
+ (Teodor Sigaev, Oleg Bartunov)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Replace <structname>pg_class</> column <structfield>reltriggers</>
+ with boolean <structfield>relhastriggers</> (Simon)
+ </para>
+
+ <para>
+ Also remove unused <structname>pg_class</> columns
+ <structfield>relukeys</>, <structfield>relfkeys</>, and
+ <structfield>relrefs</>.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add a <structfield>relistemp</> column to <structname>pg_class</>
+ to ease identification of temporary tables (Tom)
</para>
</listitem>
@@ -3001,57 +3139,72 @@ do it for earlier branch release files.
<sect3>
<title>Contrib</title>
+
<itemizedlist>
<listitem>
<para>
- Add duration and query mode options to <filename>contrib/pgbench</>
- (Itagaki Takahiro)
+ Add <filename>contrib/auto_explain</> to automatically run
+ <command>EXPLAIN</> on queries exceeding a specified duration
+ (Itagaki Takahiro, Tom)
</para>
</listitem>
<listitem>
<para>
- Fix <filename>contrib/pgstattuple</> to handle tables and
- indexes with over 2 billion pages (Tatsuhito Kasahara)
+ Add <filename>contrib/btree_gin</> to allow GIN indexes to
+ handle more datatypes (Oleg, Teodor)
</para>
</listitem>
<listitem>
<para>
- Add Levenshtein string-distance function to
- <filename>contrib/fuzzystrmatch</> that allows the user to
- specify the cost of insertion, deletion, and substitution
- (Volkan Yazici)
+ Add <filename>contrib/citext</> to provide a case-insensitive,
+ multibyte-aware text data type (David Wheeler)
</para>
</listitem>
<listitem>
<para>
- Remove <function>dblink_current_query()</> from
- <filename>contrib/dblink</>; one should now use
- <function>current_query()</> (Tomas Doran)
+ Add <filename>contrib/pg_stat_statements</> for server-wide
+ tracking of statement execution statistics (Itagaki Takahiro)
</para>
</listitem>
<listitem>
<para>
- Make <filename>contrib/ltree</> support multibyte encodings
- (laser)
+ Add duration and query mode options to <filename>contrib/pgbench</>
+ (Itagaki Takahiro)
</para>
</listitem>
<listitem>
<para>
- Add <filename>contrib/btree_gin</> to allow GIN indexes to
- handle more datatypes (Oleg, Teodor)
+ Fix <filename>contrib/pgstattuple</> to handle tables and
+ indexes with over 2 billion pages (Tatsuhito Kasahara)
</para>
</listitem>
<listitem>
<para>
- Add <filename>contrib/citext</> to provide a case-insensitive,
- multibyte-aware text data type (David Wheeler)
+ In <filename>contrib/fuzzystrmatch</>, add a version of the
+ Levenshtein string-distance function that allows the user to
+ specify the costs of insertion, deletion, and substitution
+ (Volkan Yazici)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make <filename>contrib/ltree</> support multibyte encodings
+ (laser)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve <filename>contrib/dblink</>'s reporting of errors from
+ the remote server (Joe Conway)
</para>
</listitem>
@@ -3063,7 +3216,7 @@ do it for earlier branch release files.
</para>
<para>
- This is a security enhancement.
+ This is a minor security enhancement.
</para>
</listitem>
@@ -3111,21 +3264,6 @@ do it for earlier branch release files.
</para>
</listitem>
- <listitem>
- <para>
- Add <filename>contrib/auto_explain</> to automatically run
- <command>EXPLAIN</> on queries exceeding a specified duration
- (Itagaki Takahiro, Tom)
- </para>
- </listitem>
-
- <listitem>
- <para>
- Add <filename>contrib/pg_stat_statements</> for server-wide
- tracking of statement execution statistics (Itagaki Takahiro)
- </para>
- </listitem>
-
</itemizedlist>
</sect3>
--
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