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<!--
-$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.267 2004/06/12 19:30:29 tgl Exp $
+$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.268 2004/07/24 09:36:53 momjian Exp $
-->
<appendix id="release">
<title>Release Notes</title>
+ <sect1 id="release-7-5">
+ <title>Release 7.5</title>
+
+ <note>
+ <title>Release date</title>
+ <simpara>2003-??-??, current as of 2004-07-22</simpara>
+ </note>
+
+ <sect2>
+ <title>Overview</title>
+
+ <para>
+ Major changes in this release:
+
+ <variablelist>
+ <varlistentry>
+ <term>
+ Native Win32 Server
+ </term>
+
+ <listitem>
+ <para>
+ This is the first PostgreSQL release to natively support Microsoft
+ Windows as a server. It can run as a service and a separate
+ installer project has been created to ease installation, <ulink
+ url="http://pgfoundry.org/projects/pginstaller">
+ http://pgfoundry.org/projects/pginstaller</ulink>
+ </para>
+ <para>
+ Previous releases required the Unix emulation toolkit Cygwin for
+ Win32 support. PostgreSQl has always supported clients on Win32.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ Tablespaces Simplify Disk Layout
+ </term>
+
+ <listitem>
+ <para>
+ This release introduces tablespaces which allows administrators
+ to control the file system used for storage of databases,
+ schemas, tables, or indexes. This improves performance and
+ control over disk space usage. Prior releases used the inferior
+ <literal>initlocation</> and custom symlinks for such tasks.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ Savepoints Improve Transaction Control
+ </term>
+
+ <listitem>
+ <para>
+ Savepoints allow specific parts of a transaction to be aborted
+ without affecting the remainder of the transaction. Prior
+ release had no such capability; there was no way to recover from
+ a statement failure in a transation. This feature is valuable
+ for application writers that required complex transaction control.
+ Future releases will add similar exception handling to server-side
+ languages.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ Point-In-Time Recovery Increases Reliability
+ </term>
+
+ <listitem>
+ <para>
+ Though PostgreSQL is very reliable, in previous releases there
+ was no way to recover from disk drive failure except to restore
+ from a previous backup or use a standby replication server.
+ Point-in-time recovery allows continuous backup of the server.
+ You can recover either to the point of failure or to some
+ transaction in the past.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </para>
+ </sect2>
+
+ <sect2>
+ <title>Migration to version 7.5</title>
+
+ <para>
+ A dump/restore using <application>pg_dump</application> is
+ required for those wishing to migrate data from any previous
+ release.
+ </para>
+
+ <para>
+ Observe the following incompatibilities:
+
+ <itemizedlist>
+ <listitem>
+ <para>
+ GUC parameters SortMem and VacuumMem have been renamed to
+ work_mem and maintenance_work_mem to better reflect their use.
+ The original names still supported.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ GUC parameters log_pid, log_timestamp, and log_source_port have been
+ removed now that a more flexible log_line_prefix has been added.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ GUC parameters virtual_host and tcpip_socket have been replaced
+ with a more general listen_addresses. Also, the server now
+ listens on localhost by default, which eliminates the need for
+ the -i postmaster switch in many scenarios.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ GUC parameter syslog has been removed and replaced with a more
+ logical log_destination variable to control the log output
+ destination.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ GUC parameter log_statement has been changed so it can restrict
+ logging of just database modification or data definition
+ statements.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ GUC parameter max_expr_depth parameter has been replaced with
+ max_stack_depth which measures the stack size rather than the
+ number of stack levels used. This helps prevent session
+ termination due to stack overflow caused by recursive functions.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ When matching GROUP BY names, prefer local FROM columns first, then SELECT
+ aliases, and FROM columns in upper subqueries.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ EXECUTE now returns a completion tag that matches the executed
+ statement.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ The length() function no longer measures trailing spaces in
+ CHAR() values.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ The server now warns of empty strings passed to oid/float4/float8
+ data types. In the next major release, doing this will generate an
+ error.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Function to_char() now returns the proper year for BC dates. It
+ previously returned one less than the current year. The function
+ now also returns the proper millennium and century.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ psql \copy now reads from the query stdin/stdout, rather than
+ psql's stdin/stdout. The previous behavior can be accessed via new
+ pstdin/pstdout parameters.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para> The JDBC client interface has been removed and is now
+ hosted at <ulink url=
+ "http://jdbc.postgresql.org">http://jdbc.postgresql.org</ulink>.
+ The TCL client interface has also been removed. There are several
+ now hosted at <ulink url=
+ "http://gborg.postgresql.org">http://gborg.postgresql.org</ulink>
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ The server now uses its own time zone database, rather than the
+ one supplied by the operating system. This should not change
+ the time zone behavior.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ The configure threading option no longer requires users to run
+ tests or edit configuration files; threading options are now detected
+ automatically.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Now that tablespaces have been implemented, initlocation has been
+ removed.
+ </para>
+ </listitem>
+ </itemizedlist>
+ </para>
+ </sect2>
+
+ <sect2>
+ <title>Changes</title>
+
+ <para>
+ Below you will find a detailed account of the changes between
+ release 7.5 and the previous major release.
+ </para>
+
+ <sect3>
+ <title>Performance Improvements</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Support cross-data-type index usage (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New buffer replacement strategy that improves caching (Jan)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add subprocess to write dirty buffers periodically to reduce checkpoint writes (Jan)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Subquery fixes (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve btree index performance for duplicate keys (Dmitry Tkach, Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Many optimizer improvements (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improved index usage with OR clauses (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve matching of partial index clauses (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve load speed for C functions (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improve performance of the GEQO optimizer (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add ability to prolong vacuum to reduce performance impact (Jan)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add type-specific ANALYZE statistics capability (Mark Cave-Ayland)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow collection of ANALYZE statistics for expression indexes (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Sort duplicate btree items by file offset during creation (Manfred Koizar)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New two-stage sampling method for ANALYZE (Manfred Koizar)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Optimize prepared queries only when first executed so constants can be used
+ for statistics (unnamed?) (Oliver Jowett)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix hash joins and aggregates of INET and CIDR data types (Tom)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>Server Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add tablespace so admins can control disk layout (Gavin)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Point-in-time recovery (Simon Riggs)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add new read-only GUC variables to query server compile-time setting
+ func_max_args, index_max_keys, namedatalen, blcksz,
+ have_int64_timestamp (Joe)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make quoting of "sameuser", "samegroup", and "all" remove
+ special meaning of these terms in pg_hba.conf (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Use clearer IPv6 name ::1/128 for localhost (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Rename GUC parameters SortMem and VacuumMem to work_mem and
+ maintenance_work_mem (Old names still supported) (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow logging of session disconnections using GUC log_disconnections (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add new GUC parameter to report useful information at the start of each
+ log line (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Remove GUC log_pid, log_timestamp, log_source_port;
+ functionality superseded by log_line_prefix (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Replace the virtual_host and tcpip_socket parameters with a unified
+ listen_addresses parameter (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Listen on localhost by default, which eliminates the need for the -i
+ postmaster switch in many scenarios (Andrew Dunstan)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Remove 'syslog' GUC variable, and add more logical 'log_destination'
+ variable to control log output location (Magnus)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Change GUC log_statement to take values "all, mod, ddl, none" which
+ controls the queries output (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow backends to be safely terminated with SIGTERM (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow configuration files to be placed outside the data directory using
+ GUC variables (mlw)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>Query Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add savepoints (and nested transactions) (Alvaro)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Unsupported isolation levels are now accepted and promoted to the
+ spec-compliant level supported (Peter)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow BEGIN WORK to specify transaction isolation level like START
+ TRANSACTION (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ More flexible rule/view permission checking (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Implement dollar quoting to simplify single-quote usage (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make CASE val WHEN compval1 THEN evaluate 'val' only once (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Replace max_expr_depth parameter with max_stack_depth parameter
+ (measured in kilobytes of stack size) (This gives us a fairly
+ bulletproof defense against crashing due to runaway recursive functions
+ (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow LIKE/ILIKE to appear in more places in a query (?) (Fabien Coelho)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ When matching GROUP BY names, prefer local FROM columns first, then SELECT
+ aliases, and then outer FROM columns (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Change EXECUTE to return a completion tag matching the executed statement
+ (Kris Jurka)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Disallow NATURAL CROSS JOIN (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow arbitrary row expressions (Tom)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>Object Manipulation Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Add COMMENT ON casts, conversions, languages, operator classes, and
+ large objects (Christopher)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add new GUC default_with_oids to control the oid default during table
+ creation (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add WITH / WITHOID OIDS clause to CREATE TABLE AS (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow ALTER TABLE DROP COLUMN to drop an OID column
+ (ALTER TABLE SET WITHOUT OIDS still works) (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allowing composite types as table columns (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow ALTER ... ADD COLUMN with defaults and NOT NULL constraints works per SQL
+ spec (Rod)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add ALTER COLUMN TYPE to change column's type (Rod)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow multiple ALTER actions in a single ALTER TABLE command (Rod)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow ALTER DATABASE ... OWNER (Euler Taveira de Oliveira)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow temporary object creation to be limited to SECURITY DEFINER
+ functions (Sean Chittenden)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add ALTER TABLE ... SET WITHOUT CLUSTER (Christopher)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Constraint/Index/SERIAL names are now table_column_type with numbers
+ appended to guarantee uniqueness within the schema (Spec compliance) (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow ALTER TABLE to add SERIAL columns (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add pg_get_serial_sequence() to return the serial columns
+ sequence name(Christopher Kings-Lynne)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow changing the owners of aggregates, conversions, functions,
+ operators, operator classes, schemas, types, and tablespaces
+ (Christopher)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Warn of primary/foreign key mismatch requires costly lookup
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>Utility Command Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Allow CREATE SCHEMA to create triggers, indexes, and sequences (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add ALSO keyword to CREATE RULE (Fabien Coelho)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add NOWAIT option to LOCK command (Tatsuo)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Generate error if the COPY delimiter and NULL string conflict (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow COPY to read comma-separated-value (CSV) files (Andrew, Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Erase MD5 user passwords when a user is renamed (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New pg_ctl 'kill' option for Win32 (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Information schema improvements
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add --pwfile option to initdb so the passwords can be set by GUI tools
+ (Magnus)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Detect locale/encoding mismatch in initdb (Peter)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>Data Type and Function Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Accept YYYY-monthname-DD as a date string (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make netmask() and hostmask() functions return maximum-length
+ masklen (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Change factorial function to NUMERIC (Gavin)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ to_char/to_date date conversion improvements (Kurt Roeckx)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make length() disregard trailing spaces in CHAR() (Gavin)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Warn of empty string being passes to oid/float4/float8 data types; 7.6
+ will throw an error instead (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add "week" to date_trunc(Robert Creager)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow int2/int4/int8/float4/float8 input routines to have leading
+ or trailing whitespace (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix to_char for 1 BC (previously it returned 1 AD) (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix to_char(year) for BC dates (previously it returned one less than
+ the current year) (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix date_part() to return the proper millennium and century (With the previous version,
+ the centuries and millennium had a wrong
+ number and started the wrong year. Moreover century number 0, which does
+ not exist in reality, lasted 200 years. Also, millennium number 0 lasted
+ 2000 years) Fabien Coelho)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add ceiling() as an alias for ceil(), and power() as an alias for pow()
+ for standards compliance (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Change ln(), log(), power(), and sqrt() to emit the correct SQLSTATE
+ error codes for certain error conditions, as specified by SQL2003
+ (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Fix upper/lower() to work with multibyte encodings (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add boolean and bitwise integer AND/OR aggregates (Fabien Coelho)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New inet_* functions to return network addresses for client
+ and server (Sean Chittenden)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add function to determine the area of a closed path (Sean Chittenden)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add function to send cancel and terminate to other backends (Magnus
+ Hagander)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow interval plus datetime expressions (Tom)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>Server-Side Language Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Allow plpgsql parameter names to be referenced inside the function body (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Do minimal syntax checking of plpgsql functions at creation time (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New plperl server-side language (Command Prompt, Andrew Dunstan)
+ o persistent, shared area
+ o triggers
+ o return records (hash references)
+ o array of records
+ o SPI
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>psql Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Improve psql information display about database objects (Christopher)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow psql to display group membership in \du and \dg (Markus Bertheau)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Prevent psql \dn from showing temporary schemas (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow psql to handle tilde user expansion for file names (Zach Irmen)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow psql to display fancy prompts via readline (Reece Hart, Chet Ramey)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Have psql \copy match COPY syntax (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow psql to show the location of syntax errors (Fabien Coelho, Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add CLUSTER information to psql \d display (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Change psql \copy stdin/stdout to read from command input/output (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add pstdin/pstdout to read from psql's stdin/stdout (Mark Feit)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add global psql config file, psqlrc.sample (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Have psql \d+ indicate if the table has an oid column (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Use binary file mode in psql when reading files so control-z is not seen
+ as end-of-file
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Have \dn+ show permissions and description for schemas (Dennis
+ Bjorklund)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>pg_dump Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Use dependency information to improve the reliability of pg_dump (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Have pg_dump output objects in alphabetical order if possible (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow pg_restore to ignore some SQL errors (Fabien Coelho)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New start/end of dump markers in pg_dump (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add start/stop times for pg_dump/pg_dumpall in verbose mode (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow most pg_dump options in pg_dumpall (Christopher)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Have pg_dump use ALTER OWNER rather than SET SESSION AUTHORIZATION
+ by default (Christopher)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>libpq Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Make libpq SIGPIPE thread-safe (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add PQmbdsplen() which returns the "display length" of a character (Tatsuo)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add thread locking to SSL and Kerberos connections (Manfred Spraul)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow PQoidValue(), PQcmdTuples(), and PQoidStatus() to work
+ on EXECUTE commands (Neil)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>Source Code Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Allow the database server to run natively on Win32 (Claudio, Magnus, Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Shell script commands converted to C versions for Win32 support (Andrew)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Use --with-docdir to choose installation location of documentation; also
+ allow --infodir (Peter)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add --without-docdir to prevent installation of documentation (Peter)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Upgrade to DocBook V4.2 SGML (Peter)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New "PostgreSQL" CVS tag (Marc)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Clarify locking code (Manfred Koizar)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Buffer manager cleanup (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Remove pg_id client program (Peter)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Decouple platform tests from cpu spinlock code (Bruce, Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add inlined test-and-set code on PA-RISC for gcc (ViSolve,Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improved i386 spinlock code (Manfred Spraul)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Remove JDBC from source tree, now a separate project
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ More accurately estimate memory and file descriptor usage (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Improvements to the MAC OS-X startup scripts (Ray A.)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New fsync test program (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Major documentation improvements (Neil, Peter)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Remove the libpgtcl client interface
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Remove pg_encoding; not needed anymore
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Auto detect thread flags (no more manual testing) (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ use Olson's public domain timezone library (Magnus)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow relocatable installs (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ With threading enabled, use thread flags on Unixware for
+ backend executables too (Bruce)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New linked list data structure implementation (Neil)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow external interfaces to create their own GUC variables (Thomas
+ Hallgren)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Remove sync() call during checkpoint and do separate fsyncs() (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New Brazilian version of FAQ (Euler Taveira de Oliveira)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Remove alternate database locations using initlocation (Tom)
+ (fix dbsize and oidname)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New pgevent for Win32 logging
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New Czech FAQ (Pavel Stehule)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Make libpq and ecpg build as proper OS X shard libraries (Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add French FAQ (Guillaume Lelarge)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+
+ <sect3>
+ <title>Contrib Changes</title>
+ <itemizedlist>
+
+ <listitem>
+ <para>
+ Many ecpg fixes (Michael)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Overhaul of /contrib/dblink (Joe)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ /contrib/dbmirror improvements
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New /contrib/xml2 (John Gray, Torchbox)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Update /contrib/mysql
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New version of /contrib/btree_gist (Teodor)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ New /contrib/trgm, trigram matching for PostgreSQL (Teodor)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Many /contrib/tsearch2 improvements (Teodor)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add double metaphone to /contrib/fuzzystrmatch (Andrew)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+ </sect3>
+
+ </sect2>
+ </sect1>
+
<sect1 id="release-7-4-3">
<title>Release 7.4.3</title>