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<para>
This release adds many improvements to commands and database
- facilities that were requested by users. Rather than add a
- few large new features, this release makes many features from
- previous releases easier to use. For example, it is now much
- easier to create standby point-in-time-recovery (PITR) servers.
- Many performance bottlenecks have been eliminated, allowing
- more functionality to be enabled by default. Various additions
+ facilities that were requested by users. Rather add a few
+ new features, this release makes many features from previous
+ releases easier to use. For example, it is now much easier
+ to create standby point-in-time-recovery (PITR) servers. Many
+ performance bottlenecks have been eliminated, allowing more
+ functionality to be enabled by default. Various additions
will make porting from other databases easier. The changes
in this release continue the <productname>PostgreSQL</>
- tradition of not only being the most advanced open source
+ tradition of being not only the most advanced open source
database, but also the easiest to use.
</para>
<listitem>
<para>
- Improve cost estimation for nestloop index scans (Tom)
+ Set <envar>escape_string_warning</> to <literal>on</> by
+ default (Bruce)
</para>
<para>
- This may eliminate the need to set unrealistically small
- values of <envar>random_page_cost</>. If you have been
- using a very small <envar>random_page_cost</>, please
- recheck your test cases.
+ This issues a warning if backslash escapes are used in
+ non-escape (non-<literal>E''</>) strings.
</para>
</listitem>
<listitem>
<para>
- Deprecate use of <application>postmaster</> symlink (Peter)
+ Disallow aggregate functions in <command>UPDATE</> commands
+ (unless within a subquery) (Tom)
</para>
<para>
- <application>postmaster</> and <application>postgres</>
- commands now act identically, with the behavior determined
- by switches. The <application>postmaster</> symlink is
- kept for compatibility, but is not really needed.
+ The standard disallows this, and it leads to unpredictable
+ results.
</para>
</listitem>
<listitem>
<para>
- Change <envar>log_duration</> to output even if the query
- is not output (Tom)
+ Change the row constructor syntax (<literal>ROW(...)</>)
+ so that list elements <literal>foo.*</> will be expanded
+ to a list of their member fields, rather than creating a
+ nested rowtype field as formerly (Tom)
</para>
<para>
- In prior releases, <envar>log_duration</> only printed if
- the query appeared earlier in the logs.
+ The new behavior is substantially more useful since it
+ allows, for example, triggers to check for data changes
+ with <literal>IF row(new.*) IS DISTINCT FROM row(old.*)</>.
+ The old behavior is still available by omitting <literal>.*</>.
</para>
</listitem>
<listitem>
<para>
- Set <envar>escape_string_warning</> to <literal>on</> by
- default (Bruce)
+ Have <command>SET CONSTRAINT</> affect only one constraint
+ (Kris Jurka)
</para>
<para>
- This issues a warning if backslash escapes are used in
- non-escape (non-<literal>E''</>) strings.
+ In previous releases, <command>SET CONSTRAINT</> modified
+ all constraints with a matching name. In this release,
+ the schema search path is used to modify only the first
+ matching constraint. A schema specification is also
+ supported.
</para>
</listitem>
<listitem>
<para>
- Disallow aggregate functions in <command>UPDATE</> commands
- (unless within a subquery) (Tom)
+ Remove rule permission for tables, for security reasons
+ (Tom)
</para>
<para>
- The standard disallows this, and it leads to unpredictable
- results.
+ In this release, only a table's owner can create or modify
+ rules for the table. For backwards compatibility,
+ <command>GRANT</>/<command>REVOKE RULE</> is still accepted,
+ but it does nothing.
</para>
</listitem>
<listitem>
<para>
- Change the row constructor syntax (<literal>ROW(...)</>)
- so that list elements <literal>foo.*</> will be expanded
- to a list of their member fields, rather than creating a
- nested rowtype field as formerly (Tom)
+ Array comparison improvements (Tom)
</para>
<para>
- The new behavior is substantially more useful since it
- allows, for example, triggers to check for data changes
- with <literal>IF row(new.*) IS DISTINCT FROM row(old.*)</>.
- The old behavior is still available by omitting <literal>.*</>.
+ Now array dimensions are also compared.
</para>
</listitem>
<listitem>
<para>
- Have <command>SET CONSTRAINT</> affect only one constraint
- (Kris Jurka)
+ Change array concatenation to match documented behavior
+ (Tom)
</para>
<para>
- In previous releases, <command>SET CONSTRAINT</> modified
- all constraints with a matching name. In this release,
- the schema search path is used to modify only the first
- matching constraint. A schema specification is also
- supported.
+ This changes the previous behavior where concatenation
+ would adjust the lower array dimensions.
</para>
</listitem>
<listitem>
<para>
- Remove rule permission for tables, for security reasons
- (Tom)
+ Make command-line options of postmaster and postgres
+ identical (Peter)
</para>
<para>
- In this release, only a table's owner can create or modify
- rules for the table. For backwards compatibility,
- <command>GRANT</>/<command>REVOKE RULE</> is still accepted,
- but it does nothing.
+ This allows the postmaster to pass arguments to each backend
+ without using <literal>-o</>.
</para>
</listitem>
<listitem>
<para>
- Array comparison improvements (Tom)
+ Deprecate use of <application>postmaster</> symlink (Peter)
</para>
<para>
- Now array dimensions are also compared.
+ <application>postmaster</> and <application>postgres</>
+ commands now act identically, with the behavior determined
+ by switches. The <application>postmaster</> symlink is
+ kept for compatibility, but is not really needed.
</para>
</listitem>
<listitem>
<para>
- Change array concatenation to match documented behavior
- (Tom)
+ Change <envar>log_duration</> to output even if the query
+ is not output (Tom)
</para>
<para>
- This changes the previous behavior where concatenation
- would adjust the lower array dimensions.
+ In prior releases, <envar>log_duration</> only printed if
+ the query appeared earlier in the logs.
</para>
</listitem>
</para>
</listitem>
+ <listitem>
+ <para>
+ Improve cost estimation for nestloop index scans (Tom)
+ </para>
+
+ <para>
+ This may eliminate the need to set unrealistically small
+ values of <envar>random_page_cost</>. If you have been
+ using a very small <envar>random_page_cost</>, please
+ recheck your test cases.
+ </para>
+ </listitem>
+
<listitem>
<para>
Change <application>libpq</> <function>PQdsplen()</> to
<listitem>
<para>
- Remove <acronym>QNX</> and <acronym>BEOS</> ports (Bruce)
- </para>
-
- <para>
- These ports no longer had active maintainers.
- </para>
- </listitem>
-
- <listitem>
- <para>
- Make command-line options of postmaster and postgres
- identical (Peter)
+ In /contrib/xml2, rename <function>xml_valid()</> to
+ <function>xml_is_well_formed()</> (Tom)
</para>
<para>
- This allows the postmaster to pass arguments to each backend
- without using <literal>-o</>.
+ <function>xml_valid()</> will remain for backward compability,
+ but its behavior will change to do schema checks in future
+ releases.
</para>
</listitem>
<listitem>
<para>
- In /contrib/xml2, rename <function>xml_valid()</> to
- <function>xml_is_well_formed()</> (Tom)
+ Remove <acronym>QNX</> and <acronym>BEOS</> ports (Bruce)
</para>
<para>
- <function>xml_valid()</> will remain for backward compability,
- but its behavior will change to do schema checks in future
- releases.
+ These ports no longer had active maintainers.
</para>
</listitem>
Teramoto)
</para>
</listitem>
- </sect3>
+
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title>Server Changes</title>
<listitem>
<para>
- Improve performance of statistics monitoring, especially
- <literal>stats_command_string</> (Tom, Bruce)
+ Allow a forced switch to a new xlog file (Simon Riggs, Tom)
</para>
<para>
- This release sets <envar>stats_command_string</> to
- <literal>on</> by default, now that its overhead is minimal.
- This means <literal>pg_stat_activity</> now will show all
- active queries by default.
+ This is valuable for keeping <acronym>PITR</> standby
+ servers in sync with the master. xlog file switching also
+ happens automatically during <function>pg_stop_backup()</>.
+ This ensures that <acronym>PITR</> servers have all xlog
+ files needed for recovery.
</para>
</listitem>
<listitem>
<para>
- Add support for include directives in <filename>postgresql.conf</>
- (Joachim Wieland)
+ Add <acronym>WAL</> informational functions (Simon Riggs)
+ </para>
+
+ <para>
+ Add functions for interrogating the current xlog insertion
+ point and determining <acronym>WAL</> filenames from the
+ hex <acronym>WAL</> locations displayed by
+ <function>pg_stop_backup()</> and friends.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Allow <acronym>WAL</> replay to be restored quicker in case
+ of a crash (Simon Riggs)
+ </para>
+
+ <para>
+ The server now does periodic checkpoints during <acronym>WAL</>
+ recovery, so if there is a crash, future <acronym>WAL</>
+ recovery is shortened. This also eliminates the need for
+ <acronym>PITR</> standby servers to replay the entire log
+ since the base backup if they crash.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add <envar>archive_timeout</> to force xlog file switches
+ at a given interval (Simon Riggs)
+ </para>
+
+ <para>
+ This enforces a maximum delay for <acronym>PITR</> standby
+ servers.
</para>
</listitem>
<listitem>
<para>
- Allow <envar>full_page_writes</> to be turned <literal>off</>
- again (Tom)
+ Add <literal>GRANT CONNECT ON DATABASE</>, to be used in
+ addition to <filename>pg_hba.conf</> (Gevik Babakhani)
</para>
<para>
- This flag can now be used even with <acronym>PITR</>. It
- is turned on automatically between <function>pg_start_backup()</>
- and <function>pg_stop_backup()</> calls.
+ This gives SQL-control over database access, and works in
+ combination with the existing <filename>pg_hba.conf</>
+ controls.
</para>
</listitem>
<listitem>
<para>
- Add <literal>GRANT CONNECT ON DATABASE</>, to be used in
- addition to <filename>pg_hba.conf</> (Gevik Babakhani)
+ Track tables needing vacuum with more accuracy (Alvaro)
</para>
<para>
- This gives SQL-control over database access, and works in
- combination with the existing <filename>pg_hba.conf</>
- controls.
+ This reduces the overhead involved in preventing transaction
+ ID wraparound.
</para>
</listitem>
<listitem>
<para>
- Add <acronym>GUC</> <envar>update_process_title</> to
- control whether the <application>ps</> display is updated
- for every command, default to <literal>on</> (Bruce)
+ Improve performance of statistics monitoring, especially
+ <literal>stats_command_string</> (Tom, Bruce)
+ </para>
+
+ <para>
+ This release sets <envar>stats_command_string</> to
+ <literal>on</> by default, now that its overhead is minimal.
+ This means <literal>pg_stat_activity</> now will show all
+ active queries by default.
</para>
</listitem>
<listitem>
<para>
- Track tables needing vacuum with more accuracy (Alvaro)
+ Add a <literal>waiting</> column to <literal>pg_stat_activity</>
+ (Tom)
</para>
<para>
- This reduces the overhead involved in preventing transaction
- ID wraparound.
+ This allows <literal>pg_stat_activity</> to show the same
+ information as the <literal>ps</> display.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add <acronym>GUC</> <envar>update_process_title</> to
+ control whether the <application>ps</> display is updated
+ for every command, default to <literal>on</> (Bruce)
</para>
</listitem>
</para>
</listitem>
+ <listitem>
+ <para>
+ Add support for include directives in <filename>postgresql.conf</>
+ (Joachim Wieland)
+ </para>
+ </listitem>
+
<listitem>
<para>
Improve logging of protocol-level prepare/bind/execute
</para>
</listitem>
+ </itemizedlist>
+
+ </sect3>
+
+ <sect3>
+ <title>Query Changes</title>
+ <itemizedlist>
+
<listitem>
<para>
- Allow a forced switch to a new xlog file (Simon Riggs, Tom)
+ Add <command>INSERT</>/<command>UPDATE</>/<command>DELETE</>
+ <literal>RETURNING</> (Jonah Harris, Tom)
</para>
<para>
- This is valuable for keeping <acronym>PITR</> standby
- servers in sync with the master. xlog file switching also
- happens automatically during <function>pg_stop_backup()</>.
- This ensures that <acronym>PITR</> servers have all xlog
- files needed for recovery.
+ This allows these commands to return values, such as the
+ computed serial key for a new row. In the <command>UPDATE</>
+ case, values from the new state of the row are returned.
</para>
</listitem>
<listitem>
<para>
- Add <acronym>WAL</> informational functions (Simon Riggs)
+ Add support for multi-row <literal>VALUES</> clauses as
+ part of <command>INSERT</> and <command>SELECT</> statements
+ (Joe, Tom)
</para>
<para>
- Add functions for interrogating the current xlog insertion
- point and determining <acronym>WAL</> filenames from the
- hex <acronym>WAL</> locations displayed by
- <function>pg_stop_backup()</> and friends.
+ This allows <command>INSERT</> to insert multiple rows of
+ constants, or queries to generate result sets using constants.
+ For example, <literal>INSERT ... VALUES (...), (...),
+ ....</>, and <literal>SELECT * FROM (VALUES (...), (...),
+ ....) AS alias(f1, ...)</>.
</para>
</listitem>
<listitem>
<para>
- Allow <acronym>WAL</> replay to be restored quicker in case
- of a crash (Simon Riggs)
+ Allow <command>UPDATE</> and <command>DELETE</> to use an
+ alias for the target table (Atsushi Ogawa)
</para>
<para>
- The server now does periodic checkpoints during <acronym>WAL</>
- recovery, so if there is a crash, future <acronym>WAL</>
- recovery is shortened. This also eliminates the need for
- <acronym>PITR</> standby servers to replay the entire log
- since the base backup if they crash.
+ This allows these statements to support self-joins more
+ conveniently. <command>UPDATE</> already supported as
+ <literal>FROM</> clause, but <command>DELETE</> did not.
</para>
</listitem>
<listitem>
<para>
- Add <envar>archive_timeout</> to force xlog file switches
- at a given interval (Simon Riggs)
+ Allow <command>UPDATE</> to set multiple columns with a
+ list of values (Susanne Ebrecht)
</para>
<para>
- This enforces a maximum delay for <acronym>PITR</> standby
- servers.
+ This is basically as short-hand for assigning the columns
+ and values in pairs. The syntax is <literal>UPDATE tab
+ SET (col, ...) = (val, ...)</>.
</para>
</listitem>
<listitem>
<para>
- Add a <literal>waiting</> column to <literal>pg_stat_activity</>
- (Tom)
+ Allow additional row value comparisons (Tom)
</para>
<para>
- This allows <literal>pg_stat_activity</> to show the same
- information as the <literal>ps</> display.
+ Add <, <=, >, >=.
</para>
</listitem>
- </sect3>
-
- <sect3>
- <title>Query Changes</title>
- <itemizedlist>
-
<listitem>
<para>
- Support portal parameters in <command>EXPLAIN</> and
- <command>EXECUTE</> (Tom)
+ Add <literal>CASCADE</> option to <command>TRUNCATE</>
+ (Joachim Wieland)
</para>
<para>
- This allows, for example, <literal>?</> parameters to work
- in these commands in <acronym>JDBC</>.
+ This allows <command>TRUNCATE</> also to automatically
+ truncate all foreign-key referencing tables.
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Support <literal>FOR UPDATE</> and <literal>FOR SHARE</>
+ in the same command (Tom)
</para>
</listitem>
<listitem>
<para>
- Allow additional row value comparisons (Tom)
+ Improve the length output used by
+ <literal>UNION</>/<literal>INTERSECT</>/<literal>EXCEPT</>
+ (Tom)
</para>
<para>
- Add <, <=, >, >=.
+ When all columns are of the same defined length, that length
+ is used for output, rather than a generic length.
</para>
</listitem>
<listitem>
<para>
- Add system view <literal>pg_prepared_statements</> to show
- prepared statements (Joachim Wieland)
+ Allow <literal>ILIKE</> to work for multi-byte encodings
+ (Tom)
+ </para>
+
+ <para>
+ Internally, <literal>ILIKE</> now calls <function>lower()</>
+ and then uses <literal>LIKE</>. Locale-specific regular
+ expression operations still do not work in these encodings.
</para>
</listitem>
<listitem>
<para>
- Add system view <literal>pg_cursors</> to show open cursors
- (Joachim Wieland)
+ Enable <envar>standard_conforming_strings</> to be turned
+ <literal>on</> (Kevin Grittner)
</para>
<para>
- Both this and <literal>pg_prepared_statements</> are very
- useful for pooled connection setups.
+ This allow special backslash escaping in strings to be
+ turned off so <productname>PostgreSQL</> is more
+ standards-compliant. The default is <literal>off</>, but
+ future releases will default this to <literal>on</>.
</para>
</listitem>
<listitem>
<para>
- If <acronym>SQL</>-level <command>PREPARE</> parameters
- are unknown, infer their types from the context of the
- query (Neil)
- </para>
-
- <para>
- Protocol-level <command>PREPARE</> already did this. ?
+ Add system view <literal>pg_prepared_statements</> to show
+ prepared statements (Joachim Wieland)
</para>
</listitem>
<listitem>
<para>
- Allow <command>UPDATE</> and <command>DELETE</> to use an
- alias for the target table (Atsushi Ogawa)
+ Add system view <literal>pg_cursors</> to show open cursors
+ (Joachim Wieland)
</para>
<para>
- This allows these statements to support self-joins more
- conveniently. <command>UPDATE</> already supported as
- <literal>FROM</> clause, but <command>DELETE</> did not.
+ Both this and <literal>pg_prepared_statements</> are very
+ useful for pooled connection setups.
</para>
</listitem>
<listitem>
<para>
- Add <literal>CASCADE</> option to <command>TRUNCATE</>
- (Joachim Wieland)
+ Support portal parameters in <command>EXPLAIN</> and
+ <command>EXECUTE</> (Tom)
</para>
<para>
- This allows <command>TRUNCATE</> also to automatically
- truncate all foreign-key referencing tables.
+ This allows, for example, <literal>?</> parameters to work
+ in these commands in <acronym>JDBC</>.
</para>
</listitem>
<listitem>
<para>
- Enable <envar>standard_conforming_strings</> to be turned
- <literal>on</> (Kevin Grittner)
+ If <acronym>SQL</>-level <command>PREPARE</> parameters
+ are unknown, infer their types from the context of the
+ query (Neil)
</para>
<para>
- This allow special backslash escaping in strings to be
- turned off so <productname>PostgreSQL</> is more
- standards-compliant. The default is <literal>off</>, but
- future releases will default this to <literal>on</>.
+ Protocol-level <command>PREPARE</> already did this. ?
</para>
</listitem>
<listitem>
<para>
- Support <literal>FOR UPDATE</> and <literal>FOR SHARE</>
- in the same command (Tom)
+ Protocol-level unnamed prepared statements are re-planned
+ for each set of <literal>BIND</> values (Tom)
</para>
- </listitem>
- <listitem>
<para>
- Change <literal>LIMIT</>/<literal>OFFSET</> to exceed
- two billion</> (Dhanaraj M)
+ This improves performance because the exact parameter values
+ can be used in the plan.
</para>
</listitem>
<listitem>
<para>
- Add support for multi-row <literal>VALUES</> clauses as
- part of <command>INSERT</> and <command>SELECT</> statements
- (Joe, Tom)
- </para>
-
- <para>
- This allows <command>INSERT</> to insert multiple rows of
- constants, or queries to generate result sets using constants.
- For example, <literal>INSERT ... VALUES (...), (...),
- ....</>, and <literal>SELECT * FROM (VALUES (...), (...),
- ....) AS alias(f1, ...)</>.
+ Change <literal>LIMIT</>/<literal>OFFSET</> to exceed
+ two billion (Dhanaraj M)
</para>
</listitem>
+ </itemizedlist>
+
+ </sect3>
+
+ <sect3>
+ <title>Object Manipulation Changes</title>
+ <itemizedlist>
+
<listitem>
<para>
- Improve the length output used by
- <literal>UNION</>/<literal>INTERSECT</>/<literal>EXCEPT</>
- (Tom)
+ Add <literal>TABLESPACE</> and <literal>ON COMMIT</> clauses
+ to <command>CREATE TABLE AS</> (Neil)
</para>
<para>
- When all columns are of the same defined length, that length
- is used for output, rather than a generic length.
+ This allows the tablespace to be specified for the new
+ table.
</para>
</listitem>
<listitem>
<para>
- Add <command>INSERT</>/<command>UPDATE</>/<command>DELETE</>
- <literal>RETURNING</> (Jonah Harris, Tom)
+ Add <literal>ON COMMIT</> clauses to <command>CREATE TABLE
+ AS</> (Neil)
</para>
<para>
- This allows these commands to return values, such as the
- computed serial key for a new row. In the <command>UPDATE</>
- case, values from the new state of the row are returned.
+ This allows temporary tables to be truncated or dropped on
+ transaction commit. The default behavior is for the table
+ to remain until the session ends.
</para>
</listitem>
<listitem>
<para>
- Allow <command>UPDATE</> to set multiple columns with a
- list of values (Susanne Ebrecht)
+ Add <literal>INCLUDING CONSTRAINTS</> to <command>CREATE
+ TABLE LIKE</> (Greg Stark)
</para>
<para>
- This is basically as short-hand for assigning the columns
- and values in pairs. The syntax is <literal>UPDATE tab
- SET (col, ...) = (val, ...)</>.
+ This allows the new table to receive matching constraints.
</para>
</listitem>
<listitem>
<para>
- Allow <literal>ILIKE</> to work for multi-byte encodings
- (Tom)
+ Allow the creation of placeholder (shell) types (Martijn van
+ Oosterhout)
</para>
<para>
- Internally, <literal>ILIKE</> now calls <function>lower()</>
- and then uses <literal>LIKE</>. Locale-specific regular
- expression operations still do not work in these encodings.
+ Shell types create a type reference, without specifying
+ any of the aspects of the type. It is useful for creating
+ types with input/output functions that reference the data
+ type. The syntax is <command>CREATE TYPE typname</>.
</para>
</listitem>
<listitem>
<para>
- Protocol-level unnamed prepared statements are re-planned
- for each set of <literal>BIND</> values (Tom)
+ Add new aggregate creation syntax (Tom)
</para>
<para>
- This improves performance because the exact parameter values
- can be used in the plan.
+ The new syntax is <command>CREATE AGGREGATE</> aggname
+ (input_type) (parameter_list). This more naturally supports
+ the new multi-parameter aggregate functionality. The
+ previous syntax is still supported.
</para>
</listitem>
<listitem>
<para>
- Do not flatten subqueries that contain <literal>VOLATILE</>
- functions in their target lists (Jaime Casanova)
+ Aggregate functions now support multiple input parameters
+ (Sergey Koposov, Tom)
</para>
+ </listitem>
+ <listitem>
<para>
- This prevents surprising behavior due to multiple evaluation
- of a <literal>volatile</> function (such as <function>random()</>
- or <function>nextval()</>). It may cause performance
- degradation in the presence of functions that are unnecessarily
- marked as <literal>volatile</>.
+ Add <command>CREATE</>/<command>ALTER ROLE PASSWORD NULL</>,
+ which removes the role's password (Peter)
</para>
</listitem>
- </sect3>
-
- <sect3>
- <title>Object Manipulation Changes</title>
- <itemizedlist>
-
<listitem>
<para>
Add <command>DROP</> object <literal>IF EXISTS</> for many
</para>
</listitem>
- <listitem>
- <para>
- Add <command>CREATE</>/<command>ALTER ROLE PASSWORD NULL</>,
- which removes the role's password (Peter)
- </para>
- </listitem>
-
- <listitem>
- <para>
- Properly enforce <literal>DOMAIN</> check constraints
- everywhere (Neil, Tom)
- </para>
-
- <para>
- For example, the result of a user-defined function that is
- declared to return a domain type is now checked against
- the constraints.
- </para>
- </listitem>
-
<listitem>
<para>
Add <command>GRANT ON SEQUENCE</> syntax (Bruce)
<listitem>
<para>
- Allow comments on global objects to be stored globally
- (Kris Jurka)
- </para>
-
- <para>
- Previously, global object comments were stored in individual
- databases, making them ineffective. This adds a new
- <literal>pg_shdescription</> table.
- </para>
- </listitem>
-
- <listitem>
- <para>
- Add <literal>ON COMMIT</> clauses to <command>CREATE TABLE
- AS</> (Neil)
- </para>
-
- <para>
- This allows temporary tables to be truncated or dropped on
- transaction commit. The default behavior is for the table
- to remain until the session ends.
- </para>
- </listitem>
-
- <listitem>
- <para>
- Add <literal>TABLESPACE</> and <literal>ON COMMIT</> clauses
- to <command>CREATE TABLE AS</> (Neil)
- </para>
-
- <para>
- This allows the tablespace to be specified for the new
- table.
- </para>
- </listitem>
-
- <listitem>
- <para>
- Allow placeholder (shell) types to be created (Martijn van
- Oosterhout)
- </para>
-
- <para>
- Shell types create a type reference, without specifying
- any of the aspects of the type. It is useful for creating
- types with input/output functions that reference the data
- type. The syntax is <command>CREATE TYPE typname</>.
- </para>
- </listitem>
-
- <listitem>
- <para>
- Add new aggregate creation syntax (Tom)
- </para>
-
- <para>
- The new syntax is <command>CREATE AGGREGATE</> aggname
- (input_type) (parameter_list). This more naturally supports
- the new multi-parameter aggregate functionality. The
- previous syntax is still supported.
- </para>
- </listitem>
-
- <listitem>
- <para>
- Aggregate functions now support multiple input parameters
- (Sergey Koposov, Tom)
- </para>
- </listitem>
-
- <listitem>
- <para>
- Add <literal>INCLUDING CONSTRAINTS</> to <command>CREATE
- TABLE LIKE</> (Greg Stark)
+ Add <literal>ALTER TABLE ... [NO] INHERIT</> (Greg Stark)
</para>
<para>
- This allows the new table to receive matching constraints.
+ This allow inheritance to be added and removed dynamically,
+ rather than just at table creation and destruction. This
+ is very valuable for table partitioning using constraint
+ exclusion.
</para>
</listitem>
<listitem>
<para>
- Add <literal>ALTER TABLE ... [NO] INHERIT</> (Greg Stark)
+ Allow comments on global objects to be stored globally
+ (Kris Jurka)
</para>
<para>
- This allow inheritance to be added and removed dynamically,
- rather than just at table creation and destruction. This
- is very valuable for table partitioning using constraint
- exclusion.
+ Previously, global object comments were stored in individual
+ databases, making them ineffective. This adds a new
+ <literal>pg_shdescription</> table.
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title>Utility Command Changes</title>
<listitem>
<para>
- Reduce progress messages displayed by initdb (Tom)
+ Add option to allow indexes to be created without blocking
+ concurrent writes to the table (Greg Stark)
+ </para>
+
+ <para>
+ The new syntax is <command>CREATE INDEX CONCURRENTLY</>.
+ The default behavior is still to block table modification
+ while a index is being created.
</para>
</listitem>
<listitem>
<para>
- Have initdb detect the operating system locale and set the
- default <envar>DateStyle</> accordingly (Peter)
+ Allow <command>COPY</> to dump a <command>SELECT</> query
+ (Zoltan Boszormenyi, Karel Zak)
</para>
<para>
- This make it more likely that the installed
- <filename>postgresql.conf</> <envar>DateStyle</> value will
- be correct.
+ This allows <command>COPY</> to dump arbitrary <acronym>SQL</>
+ queries. The syntax is <literal>COPY (SELECT ...) TO</>.
</para>
</listitem>
<listitem>
<para>
- Avoid extra scan of tables without indexes during <command>VACUUM</>
- (Greg Stark)
- </para>
- </listitem>
-
- <listitem>
- <para>
- Add option to allow indexes to be created without blocking
- concurrent writes to the table (Greg Stark)
+ Have initdb detect the operating system locale and set the
+ default <envar>DateStyle</> accordingly (Peter)
</para>
<para>
- The new syntax is <command>CREATE INDEX CONCURRENTLY</>.
- The default behavior is still to block table modification
- while a index is being created.
+ This make it more likely that the installed
+ <filename>postgresql.conf</> <envar>DateStyle</> value will
+ be correct.
</para>
</listitem>
<listitem>
<para>
- Allow <command>COPY</> to dump a <command>SELECT</> query
- (Zoltan Boszormenyi, Karel Zak)
+ Avoid extra scan of tables without indexes during <command>VACUUM</>
+ (Greg Stark)
</para>
+ </listitem>
+ <listitem>
<para>
- This allows <command>COPY</> to dump arbitrary <acronym>SQL</>
- queries. The syntax is <literal>COPY (SELECT ...) TO</>.
+ Reduce progress messages displayed by initdb (Tom)
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
- <title>Data Type and Function Changes</title>
+ <title>Date/Time Changes</title>
<itemizedlist>
<listitem>
<para>
- Allow arrays to contain <literal>NULL</> elements (Tom)
+ Allow full timezone names in <type>timestamp</> values
+ (Joachim Wieland)
+ </para>
+
+ <para>
+ For example, <literal>'2006-05-24 21:11
+ America/New_York'::timestamptz</>.
</para>
</listitem>
<listitem>
<para>
- Allow <function>to_char(time)</> and <function>to_char(interval)</>
- to output <acronym>AM</>/<acronym>PM</> specifications
- (Bruce)
+ Create a configuration file of timezone abbreviations
+ (Joachim Wieland)
</para>
<para>
- Intervals and times are treated as 24-hour periods, e.g.
- <literal>25 hours</> is <acronym>AM</>.
+ The file name is controlled by GUC variable
+ <envar>timezone_abbreviations</>.
</para>
</listitem>
<listitem>
<para>
- Add a server-side sleep function <function>pg_sleep()</>
- (Joachim Wieland)
+ Add <envar>pg_timezone_abbrevs</> and <envar>pg_timezone_names</>
+ views to show supported timezones (Magnus Hagander)
</para>
</listitem>
<listitem>
<para>
- Add convenient arithmetic operations on <type>INET</>/<type>CIDR</>
- values (Stephen R. van den Berg)
+ Add <function>clock_timestamp()</>,
+ <function>statement_timestamp()</>, and
+ <function>transaction_timestamp()</> (Bruce)
</para>
<para>
- The new operators are <literal>&</> (and), <literal>|</>
- (or), <literal>~</> (not), <literal>+</> <type>int8</>,
- <literal>-</> <type>int8</>, and <type>inet</> <literal>-</>
- <type>inet</>.
+ <function>clock_timestamp()</> is the true current time,
+ and <function>statement_timestamp()</> is the time the
+ current command arrived at the server.
+ <function>transaction_timestamp()</> is the same as
+ <function>now()</>.
</para>
</listitem>
<listitem>
<para>
- Add all comparison operators for the <type>tid</> data type
- (Mark Kirkwood, Greg Stark, Tom)
+ Allow <function>to_char(time)</> and <function>to_char(interval)</>
+ to output <acronym>AM</>/<acronym>PM</> specifications
+ (Bruce)
+ </para>
+
+ <para>
+ Intervals and times are treated as 24-hour periods, e.g.
+ <literal>25 hours</> is <acronym>AM</>.
</para>
</listitem>
<listitem>
<para>
- Add new aggregate functions from SQL2003 (Neil)
+ Interval computation improvements (Michael Glaesemann,
+ Bruce)
</para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect3>
+ <sect3>
+ <title>Other Data Type and Function Changes</title>
+ <itemizedlist>
+
+ <listitem>
<para>
- The new functions are <function>var_pop()</>,
- <function>var_samp()</>, <function>stddev_pop()</>, and
- <function>stddev_samp()</>. <function>var_samp()</> and
- <function>stddev_samp()</> are merely renamings of the
- existing aggregates <function>variance()</> and
- <function>stddev()</>. The latter names have been kept
- for backward compatibility.
+ Allow arrays to contain <literal>NULL</> elements (Tom)
</para>
</listitem>
<listitem>
<para>
- Allow domains to be created using other domains (Tom)
- </para>
- </listitem>
-
- <listitem>
- <para>
- Add <function>clock_timestamp()</>,
- <function>statement_timestamp()</>, and
- <function>transaction_timestamp()</> (Bruce)
+ Add convenient arithmetic operations on <type>INET</>/<type>CIDR</>
+ values (Stephen R. van den Berg)
</para>
<para>
- <function>clock_timestamp()</> is the true current time,
- and <function>statement_timestamp()</> is the time the
- current command arrived at the server.
- <function>transaction_timestamp()</> is the same as
- <function>now()</>.
+ The new operators are <literal>&</> (and), <literal>|</>
+ (or), <literal>~</> (not), <literal>+</> <type>int8</>,
+ <literal>-</> <type>int8</>, and <type>inet</> <literal>-</>
+ <type>inet</>.
</para>
</listitem>
<listitem>
<para>
- Allow full timezone names in <type>timestamp</> values
- (Joachim Wieland)
+ Add new aggregate functions from SQL2003 (Neil)
</para>
<para>
- For example, <literal>'2006-05-24 21:11
- America/New_York'::timestamptz</>.
+ The new functions are <function>var_pop()</>,
+ <function>var_samp()</>, <function>stddev_pop()</>, and
+ <function>stddev_samp()</>. <function>var_samp()</> and
+ <function>stddev_samp()</> are merely renamings of the
+ existing aggregates <function>variance()</> and
+ <function>stddev()</>. The latter names have been kept
+ for backward compatibility.
</para>
</listitem>
<listitem>
<para>
- Create a configuration file of timezone abbreviations
- (Joachim Wieland)
+ Add SQL2003-standard statistical aggregates (Sergey Koposov)
</para>
<para>
- The file name is controlled by GUC variable
- <envar>timezone_abbreviations</>.
+ New functions: <function>regr_intercept()</>,
+ <function>regr_slope()</>, <function>regr_r2()</>,
+ <function>corr()</>, <function>covar_samp()</>,
+ <function>covar_pop()</>, <function>regr_avgx()</>,
+ <function>regr_avgy()</>, <function>regr_sxy()</>,
+ <function>regr_sxx()</>, <function>regr_syy()</>,
+ <function>regr_count()</>
</para>
</listitem>
<listitem>
<para>
- Add <envar>pg_timezone_abbrevs</> and <envar>pg_timezone_names</>
- views to show supported timezones (Magnus Hagander)
+ Allow domains to be created using other domains (Tom)
</para>
</listitem>
<listitem>
<para>
- Add SQL2003-standard statistical aggregates (Sergey Koposov)
+ Properly enforce <literal>DOMAIN</> check constraints
+ everywhere (Neil, Tom)
</para>
<para>
- New functions: <function>regr_intercept()</>,
- <function>regr_slope()</>, <function>regr_r2()</>,
- <function>corr()</>, <function>covar_samp()</>,
- <function>covar_pop()</>, <function>regr_avgx()</>,
- <function>regr_avgy()</>, <function>regr_sxy()</>,
- <function>regr_sxx()</>, <function>regr_syy()</>,
- <function>regr_count()</>
+ For example, the result of a user-defined function that is
+ declared to return a domain type is now checked against
+ the constraints.
</para>
</listitem>
<listitem>
<para>
- Interval computation improvements (Michael Glaesemann,
- Bruce)
+ Add a server-side sleep function <function>pg_sleep()</>
+ (Joachim Wieland)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add all comparison operators for the <type>tid</> (tuple id)
+ data type (Mark Kirkwood, Greg Stark, Tom)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Do not flatten subqueries that contain <literal>VOLATILE</>
+ functions in their target lists (Jaime Casanova) ?
+ </para>
+
+ <para>
+ This prevents surprising behavior due to multiple evaluation
+ of a <literal>volatile</> function (such as <function>random()</>
+ or <function>nextval()</>). It may cause performance
+ degradation in the presence of functions that are unnecessarily
+ marked as <literal>volatile</>.
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title>PL/PgSQL Server-Side Language Changes</title>
<listitem>
<para>
- Allow <literal>FOR</> statements to return values to scalars
- as well as records and row types (Pavel Stehule)
+ Add <literal>table_name</> and <literal>table_schema</> as
+ trigger data (Andrew)
</para>
</listitem>
<listitem>
<para>
- Add a <literal>BY</> clause to the <literal>FOR</> loop,
- to control the iteration increment (Jaime Casanova)
+ Allow <literal>FOR</> statements to return values to scalars
+ as well as records and row types (Pavel Stehule)
</para>
</listitem>
<listitem>
<para>
- Add <literal>table_name</> and <literal>table_schema</> as
- trigger data (Andrew)
+ Add a <literal>BY</> clause to the <literal>FOR</> loop,
+ to control the iteration increment (Jaime Casanova)
</para>
</listitem>
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title>PL/Perl Server-Side Language Changes</title>
<listitem>
<para>
- Honor <envar>check_function_bodies</> (Tom)
+ Add <literal>table_name</> and <literal>table_schema</> as
+ trigger data (Adam Sjøgren)
</para>
- </listitem>
- <listitem>
<para>
- Add prepared queries (Dmitry Karasik)
+ <literal>relname</> is kept but now deprecated
</para>
</listitem>
<listitem>
<para>
- Add <literal>table_name</> and <literal>table_schema</> as
- trigger data (Adam Sjøgren)
- </para>
-
- <para>
- <literal>relname</> is kept but now deprecated
+ Add prepared queries (Dmitry Karasik)
</para>
</listitem>
</para>
</listitem>
- </sect3>
+ <listitem>
+ <para>
+ Honor <envar>check_function_bodies</> (Tom)
+ </para>
+ </listitem>
+
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title>PL/Python Server-Side Language Changes</title>
<listitem>
<para>
- Allow functions to return <literal>void</> (Neil)
+ Add <literal>table_name</> and <literal>table_schema</> as
+ trigger data (Andrew)
</para>
</listitem>
<listitem>
<para>
- Add named parameters to the <literal>args[]</> array (Sven
- Suursoho)
+ Allow returning of <literal>composite types</> and
+ <literal>result sets</> (Sven Suursoho)
</para>
</listitem>
<listitem>
<para>
- Return composite-types as dictionary (Sven Suursoho)
+ Return result-set as <literal>list</>, <literal>iterator</>,
+ or <literal>generator </>(Sven Suursoho)
</para>
</listitem>
<listitem>
<para>
- Return result-set as <literal>list</>, <literal>iterator</>,
- or <literal>generator </>(Sven Suursoho)
+ Return composite-types as dictionary (Sven Suursoho)
</para>
</listitem>
<listitem>
<para>
- Allow returning of <literal>composite types</> and
- <literal>result sets</> (Sven Suursoho)
+ Allow functions to return <literal>void</> (Neil)
</para>
</listitem>
<listitem>
<para>
- Add <literal>table_name</> and <literal>table_schema</> as
- trigger data (Andrew)
+ Add named parameters to the <literal>args[]</> array (Sven
+ Suursoho)
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title><application>psql</> Changes</title>
<listitem>
<para>
- Allow multi-line values to align in the proper column
- (Martijn van Oosterhout)
+ Allow <literal>\c</> to connect to a new host and port
+ number (David, Volkan Yazıcı)
</para>
</listitem>
<listitem>
<para>
- Save multi-line statements as a single entry, rather than
- one line at a time (Sergey E. Koposov)
+ Add tablespace display to <literal>\l+</> (Philip Yarra)
</para>
+ </listitem>
+ <listitem>
<para>
- This makes up-arrow recall of queries easier.
+ Improve <literal>\df</> slash command to include the argument
+ names and modes (<literal>OUT</> or <literal>INOUT</>) of
+ the function (David Fetter)
</para>
</listitem>
<listitem>
<para>
- Allow <literal>\c</> to connect to a new host and port
- number (David, Volkan Yazıcı)
+ Support binary <command>COPY</> (Andreas Pflug)
</para>
</listitem>
<listitem>
<para>
- Improve highlighting of error location in query in more
- cases (Tom)
+ Support retrieving <command>SELECT</> results in batches
+ using a cursor (Chris Mair)
+ </para>
+
+ <para>
+ This is accomplished using <command>\set FETCH_COUNT</>.
</para>
</listitem>
<listitem>
<para>
- Add tablespace display to <literal>\l+</> (Philip Yarra)
+ Allow multi-line values to align in the proper column
+ (Martijn van Oosterhout)
</para>
</listitem>
<listitem>
<para>
- Support binary <command>COPY</> (Andreas Pflug)
+ Save multi-line statements as a single entry, rather than
+ one line at a time (Sergey E. Koposov)
+ </para>
+
+ <para>
+ This makes up-arrow recall of queries easier.
</para>
</listitem>
<listitem>
<para>
- Improve <literal>\df</> slash command to include the argument
- names and modes (<literal>OUT</> or <literal>INOUT</>) of
- the function (David Fetter)
+ Improve highlighting of error location in query in more
+ cases (Tom)
</para>
</listitem>
</para>
</listitem>
- <listitem>
- <para>
- Support retrieving <command>SELECT</> results in batches
- using a cursor (Chris Mair)
- </para>
-
- <para>
- This is accomplished using <command>\set FETCH_COUNT</>.
- </para>
- </listitem>
+ </itemizedlist>
- </sect3>
+ </sect3>
<sect3>
<title><application>pg_dump</> Changes</title>
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title><application>libpq</> Changes</title>
</para>
</listitem>
- <listitem>
- <para>
- Allow the <filename>.pgpass</> hostname to match the default
- socket directory, as well as a blank <literal>pghost</>
- (Bruce)
- </para>
- </listitem>
-
<listitem>
<para>
Add function <function>PQisthreadsafe()</> (Bruce)
</para>
</listitem>
+ <listitem>
+ <para>
+ Add <function>PQdescribePrepared()</>,
+ <function>PQdescribePortal()</>, and related functions
+ return information about previously prepared statements
+ and open cursors (Volkan Yazıcı)
+ </para>
+ </listitem>
+
<listitem>
<para>
Allow <acronym>LDAP</> lookups from <filename>pg_service.conf</>
<listitem>
<para>
- Add <function>PQdescribePrepared()</>,
- <function>PQdescribePortal()</>, and related functions
- return information about previously prepared statements
- and open cursors (Volkan Yazıcı)
+ Allow the <filename>.pgpass</> hostname to match the default
+ socket directory, as well as a blank <literal>pghost</>
+ (Bruce)
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title><application>ecpg</> Changes</title>
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title><application>Win32</> Port</title>
<listitem>
<para>
- Improve handling of intermittent file system and resource
- failures (Qingqing Zhou)
+ Allow <acronym>MSVC</> to compile the <productname>PostgreSQL</>
+ server (Magnus, Hiroshi Saito)
</para>
</listitem>
<listitem>
<para>
- Stability fixes (Magnus)
- </para>
-
- <para>
- Particularly, prevent the postmaster from stopping if too
- many connection requests arrive too rapidly.
+ Add <acronym>MSVC</> support for utility commands and
+ <application>pg_dump </>(Hiroshi Saito)
</para>
</listitem>
<listitem>
<para>
- Allow <acronym>MSVC</> to compile the <productname>PostgreSQL</>
- server (Magnus, Hiroshi Saito)
+ Improve handling of intermittent file system and resource
+ failures (Qingqing Zhou)
</para>
</listitem>
<listitem>
<para>
- Add <acronym>MSVC</> support for utility commands and
- <application>pg_dump </>(Hiroshi Saito)
+ Stability fixes (Magnus)
+ </para>
+
+ <para>
+ Particularly, prevent the postmaster from stopping if too
+ many connection requests arrive too rapidly.
</para>
</listitem>
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title>Source Code Changes</title>
<itemizedlist>
+ <listitem>
+ <para>
+ Add <acronym>GIN</> (Generalized Inverted iNdex) index
+ access method (Teodor) ?
+ </para>
+ </listitem>
+
<listitem>
<para>
Remove R-tree indexing (Tom)
</para>
</listitem>
- <listitem>
- <para>
- New macro <literal>PG_VERSION_NUM</> for use by third-party
- applications wanting to test the backend version in C using
- > and < comparisons (Bruce)
- </para>
- </listitem>
-
<listitem>
<para>
Add a configure flag to allow libedit to be preferred over
</para>
</listitem>
+ <listitem>
+ <para>
+ Add <application>DTrace</> support (Robert Lor)
+ </para>
+ </listitem>
+
+ <listitem>
+ <para>
+ Add <literal>PG_VERSION_NUM</> for use by third-party
+ applications wanting to test the backend version in C using >
+ and < comparisons (Bruce)
+ </para>
+ </listitem>
+
<listitem>
<para>
Add <literal>XLOG_BLCKSZ</> as independent from <literal>BLCKSZ</>
<listitem>
<para>
- Add <acronym>GIN</> (Generalized Inverted iNdex) index
- access method (Teodor)
+ Emit warnings for unknown <application>configure</> options
+ (Martijn van Oosterhout)
</para>
</listitem>
<listitem>
<para>
- Emit warnings for unknown <application>configure</> options
- (Martijn van Oosterhout)
+ Rename existing <acronym>GUC</> variable
+ <envar>preload_libraries</> to <envar>shared_preload_libraries</>
+ (Tom)
</para>
</listitem>
<listitem>
<para>
- Add <literal>PG_MODULE_MAGIC</> header block to all shared
- object files (Martijn van Oosterhout)
+ Add new GUC variable <envar>server_version_num</> (Greg Sabino
+ Mullane)
</para>
<para>
- The magic blocks prevent version mismatches between object
- files and servers.
+ This is like server_version, but is an integer, e.g.
+ <literal>80200</>. It allows easy applications version
+ checks.
</para>
</listitem>
</para>
</listitem>
- <listitem>
- <para>
- Add <application>DTrace</> support (Robert Lor)
- </para>
- </listitem>
-
<listitem>
<para>
Allow loadable modules to allocate shared memory and
<listitem>
<para>
- Add support for libraries that enhance server-side languages
- (Korry Douglas)
- </para>
-
- <para>
- Such libraries can be used for debugging or performance
- measurement.
+ Add <literal>PG_MODULE_MAGIC</> header block to all shared
+ object files (Martijn van Oosterhout)
</para>
- </listitem>
- <listitem>
<para>
- Rename existing <acronym>GUC</> variable
- <envar>preload_libraries</> to <envar>shared_preload_libraries</>
- (Tom)
+ The magic blocks prevent version mismatches between object
+ files and servers.
</para>
</listitem>
<listitem>
<para>
- Add new variable <envar>server_version_num</> (Greg Sabino
- Mullane)
+ Add support for libraries that enhance server-side languages
+ (Korry Douglas)
</para>
<para>
- This is like server_version, but is an integer, e.g.
- <literal>80200</>. It allows easy applications version
- checks.
+ Such libraries can be used for debugging or performance
+ measurement.
</para>
</listitem>
</para>
</listitem>
- </sect3>
+ </itemizedlist>
+
+ </sect3>
<sect3>
<title>Contrib Changes</title>
<listitem>
<para>
- Add pg_freespacemap to display free space map information
- (Mark Kirkwood)
+ Add <application>Pgadmin</> administration functions to
+ adminpack (Dave)
</para>
- </listitem>
- <listitem>
<para>
- New uninstall scripts (David)
+ These functions provide additional file system access
+ routines not present in the default <productname>PostgreSQL</>
+ server.
</para>
</listitem>
<listitem>
<para>
- Add pgrowlocks (Tatsuo)
+ Add sslinfo (Victor Wagner)
</para>
<para>
- This shows row locking information for a specified table.
+ Reports information about the current <acronym>SSL</>
+ certificate.
</para>
</listitem>
<listitem>
<para>
- Add <application>Pgadmin</> administration functions to
- adminpack (Dave)
+ Add pgrowlocks (Tatsuo)
</para>
<para>
- These functions provide additional file system access
- routines not present in the default <productname>PostgreSQL</>
- server.
+ This shows row locking information for a specified table.
</para>
</listitem>
<listitem>
<para>
- Add index information to pgstattuple (ITAGAKI Takahiro,
- Satoshi Nagayasu)
+ Add hstore module (Oleg, Teodor)
</para>
</listitem>
<listitem>
<para>
- pgcrypto now has all planned functionality (Marko Kreen)
+ Add isn module, replacing isbn_issn (Jeremy Kronuz)
+ </para>
+
+ <para>
+ This now supports <acronym>EAN13</>, <acronym>UPC</>,
+ <acronym>ISBN</> (books), <acronym>ISMN</> (music), and
+ <acronym>ISSN</> (serials).
</para>
</listitem>
<listitem>
<para>
- Update cube (Joshua Reich)
+ Add index information to pgstattuple (ITAGAKI Takahiro,
+ Satoshi Nagayasu)
</para>
+ </listitem>
+ <listitem>
<para>
- New functions are <function>cube(float[])</>,
- <function>cube(float[], float[])</>, and
- <function>cube_subset(cube, int4[])</>.
+ Add pg_freespacemap to display free space map information
+ (Mark Kirkwood)
</para>
</listitem>
<listitem>
<para>
- Added async query capability to dblink (Kai Londenberg,
- Joe Conway)
+ pgcrypto now has all planned functionality (Marko Kreen)
</para>
</listitem>
<listitem>
<para>
- Add sslinfo (Victor Wagner)
+ Update cube (Joshua Reich)
</para>
<para>
- Reports information about the current <acronym>SSL</>
- certificate.
+ New functions are <function>cube(float[])</>,
+ <function>cube(float[], float[])</>, and
+ <function>cube_subset(cube, int4[])</>.
</para>
</listitem>
<listitem>
<para>
- Add hstore module (Oleg, Teodor)
+ Add async query capability to dblink (Kai Londenberg,
+ Joe Conway)
</para>
</listitem>
<listitem>
<para>
- Add isn module, replacing isbn_issn (Jeremy Kronuz)
- </para>
-
- <para>
- This now supports <acronym>EAN13</>, <acronym>UPC</>,
- <acronym>ISBN</> (books), <acronym>ISMN</> (music), and
- <acronym>ISSN</> (serials).
+ New operators for array-subset comparisons (<literal>@></>,
+ <literal><@</>, <literal>&&</>) (Tom)
</para>
</listitem>
<listitem>
<para>
- New operators for array-subset comparisons (<literal>@></>,
- <literal><@</>, <literal>&&</>) (Tom)
+ New uninstall scripts (David)
</para>
</listitem>
</itemizedlist>
+
</sect3>
</sect2>
projects / postgresql / commitdiff