</para>
<para>
-The system will now favor time zone abbreviation for the current session time zone before checking the server variable timezone_abbreviations. Previously timezone_abbreviations were
-consulted first for matches.
+The system will now favor the current session's time zone abbreviations before checking the server variable timezone_abbreviations. Previously timezone_abbreviations was
+checked first.
</para>
</listitem>
<listitem>
<para>
-Remove non-functioning support for RULE privileges in GRANT/REVOKE (Fujii Masao)
+Remove non-functional support for RULE privileges in GRANT/REVOKE (Fujii Masao)
<ulink url="&commit_baseurl;fefa76f70">§</ulink>
</para>
<para>
-These have been non-functioning since Postgres 8.2.
-</para>
-</listitem>
-
-<!--
-Author: Daniel Gustafsson <dgustafsson@postgresql.org>
-2024-10-24 [3d1ef3a15] Support configuring multiple ECDH curves
--->
-
-<listitem>
-<para>
-Rename server variable ssl_ecdh_curve to ssl_groups and allow multiple colon-separated ECDH curves to be specified (Erica Zhang, Daniel Gustafsson)
-<ulink url="&commit_baseurl;3d1ef3a15">§</ulink>
+These have been non-functional since Postgres 8.2.
</para>
</listitem>
</para>
<para>
-This optimization can be disabled with server variable enable_self_join_elimination.
+This optimization can be disabled using server variable enable_self_join_elimination.
</para>
</listitem>
</para>
<para>
-The optimizer feature can be disabled via enable_distinct_reordering.
+This optimization can be disabled using enable_distinct_reordering.
</para>
</listitem>
<listitem>
<para>
-Allow merge join to use incremental sorts (Richard Guo)
+Allow merge joins to use incremental sorts (Richard Guo)
<ulink url="&commit_baseurl;828e94c9d">§</ulink>
</para>
</listitem>
-->
<listitem>
<para>
-Allow partitions to be pruned earlier and quicker, and skipped in more places (Amit Langote, Ashutosh Bapat, Yuya Watari, David Rowley)
+Allow partitions to be pruned earlier, quicker, and skipped in more places (Amit Langote, Ashutosh Bapat, Yuya Watari, David Rowley)
<ulink url="&commit_baseurl;bb3ec16e1">§</ulink>
<ulink url="&commit_baseurl;d47cbf474">§</ulink>
<ulink url="&commit_baseurl;cbc127917">§</ulink>
<listitem>
<para>
-Allow partitionwise join in more cases, and reduce its memory usage (Richard Guo, Tom Lane, Ashutosh Bapat)
+Allow partitionwise joins in more cases, and reduce its memory usage (Richard Guo, Tom Lane, Ashutosh Bapat)
<ulink url="&commit_baseurl;9b282a935">§</ulink>
<ulink url="&commit_baseurl;513f4472a">§</ulink>
</para>
</para>
<para>
-This is most useful if the earlier non-referenced columns contain few unique values.
+This is effective if the earlier non-referenced columns contain few unique values.
</para>
</listitem>
</para>
<para>
-This is enabled by default and controlled by server variable io_method with server variables io_combine_limit and io_max_combine_limit added to control it. This also enables
+This is enabled by server variable io_method, with server variables io_combine_limit and io_max_combine_limit added to control it. This also enables
effective_io_concurrency and maintenance_io_concurrency values greater than zero for systems without fadvise() support. The new system view pg_aios shows the file handles being used
for asynchronous I/O.
</para>
</para>
<para>
-This reduces the overhead of later full-relation freezing. The aggressiveness of this can be controlled by server variable vacuum_max_eager_freeze_failure_rate, and per-table setting
-vacuum_max_eager_freeze_failure_rate. Previously vacuum never processed all-visible pages until freezing was required.
+This reduces the overhead of later full-relation freezing. The aggressiveness of this can be controlled by server variable and per-table setting vacuum_max_eager_freeze_failure_rate.
+Previously vacuum never processed all-visible pages until freezing was required.
</para>
</listitem>
</para>
<para>
-A storage-level parameter with this name and behavior already existed.
+A storage-level parameter with the same name and behavior already existed.
</para>
</listitem>
<listitem>
<para>
-Change server variable log_connections to log connections more granularly (Melanie Plageman)
+Increase the logging granularity of server variable log_connections (Melanie Plageman)
<ulink url="&commit_baseurl;9219093ca">§</ulink>
<ulink url="&commit_baseurl;18cd15e70">§</ulink>
</para>
</para>
<para>
-The new fields are total_vacuum_time, total_autovacuum_time, total_analyze_time, and total_autoanalyze_time.
+The new columns are total_vacuum_time, total_autovacuum_time, total_analyze_time, and total_autoanalyze_time.
</para>
</listitem>
<listitem>
<para>
-Add VACUUM and ANALYZE delay time reporting (Bertrand Drouvot, Nathan Bossart)
+Add delay time reporting to VACUUM and ANALYZE (Bertrand Drouvot, Nathan Bossart)
<ulink url="&commit_baseurl;bb8dff999">§</ulink>
<ulink url="&commit_baseurl;7720082ae">§</ulink>
</para>
<para>
-This information appears in the autovacuum logs, the system views pg_stat_progress_vacuum and pg_stat_progress_analyze, and the output of VACUUM and ANALYZE when in VERBOSE mode. This
-tracking must be enabled with the server variable track_cost_delay_timing.
-</para>
-</listitem>
-
-<!--
-Author: Fujii Masao <fujii@postgresql.org>
-2024-09-30 [559efce1d] Add num_done counter to the pg_stat_checkpointer view.
--->
-
-<listitem>
-<para>
-Add column pg_stat_checkpointer.num_done to report the number of completed checkpoints (Anton A. Melnikov)
-<ulink url="&commit_baseurl;559efce1d">§</ulink>
-</para>
-
-<para>
-Columns num_timed and num_requested count both completed and skipped checkpoints.
-</para>
-</listitem>
-
-<!--
-Author: Fujii Masao <fujii@postgresql.org>
-2024-10-02 [17cc5f666] Fix inconsistent reporting of checkpointer stats.
--->
-
-<listitem>
-<para>
-Add column pg_stat_checkpointer.slru_written to report SLRU buffers written (Nitin Jadhav)
-<ulink url="&commit_baseurl;17cc5f666">§</ulink>
-</para>
-
-<para>
-Also, modify the checkpoint server log message to use separate shared buffer and SLRU buffer values.
-</para>
-</listitem>
-
-<!--
-Author: Michael Paquier <michael@paquier.xyz>
-2024-11-11 [e7a9496de] Add two attributes to pg_stat_database for parallel work
--->
-
-<listitem>
-<para>
-Add columns to pg_stat_database to report parallel workers activity (Benoit Lobréau)
-<ulink url="&commit_baseurl;e7a9496de">§</ulink>
-</para>
-
-<para>
-The new columns are parallel_workers_to_launch and parallel_workers_launched.
+This information appears in the autovacuum logs, the system views pg_stat_progress_vacuum and pg_stat_progress_analyze, and the output of VACUUM and ANALYZE when in VERBOSE
+mode; tracking must be enabled with the server variable track_cost_delay_timing.
</para>
</listitem>
<listitem>
<para>
-Add wal I/O activity rows to pg_stat_io (Nazir Bilal Yavuz, Bertrand Drouvot, Michael Paquier)
+Add WAL I/O activity rows to pg_stat_io (Nazir Bilal Yavuz, Bertrand Drouvot, Michael Paquier)
<ulink url="&commit_baseurl;a051e71e2">§</ulink>
<ulink url="&commit_baseurl;4538bd3f1">§</ulink>
<ulink url="&commit_baseurl;7f7f324eb">§</ulink>
</para>
</listitem>
+<!--
+Author: Michael Paquier <michael@paquier.xyz>
+2025-02-24 [2421e9a51] Remove read/sync fields from pg_stat_wal and GUC track_w
+Author: Michael Paquier <michael@paquier.xyz>
+2025-02-26 [6c349d83b] Re-add GUC track_wal_io_timing
+-->
+
+<listitem>
+<para>
+Remove read/sync columns from pg_stat_wal (Bertrand Drouvot)
+<ulink url="&commit_baseurl;2421e9a51">§</ulink>
+<ulink url="&commit_baseurl;6c349d83b">§</ulink>
+</para>
+
+<para>
+This removes columns wal_write, wal_sync, wal_write_time, and wal_sync_time.
+</para>
+</listitem>
+
<!--
Author: Michael Paquier <michael@paquier.xyz>
2025-03-11 [76def4cdd] Add WAL data to backend statistics
</para>
</listitem>
+<!--
+Author: Fujii Masao <fujii@postgresql.org>
+2024-09-30 [559efce1d] Add num_done counter to the pg_stat_checkpointer view.
+-->
+
+<listitem>
+<para>
+Add column pg_stat_checkpointer.num_done to report the number of completed checkpoints (Anton A. Melnikov)
+<ulink url="&commit_baseurl;559efce1d">§</ulink>
+</para>
+
+<para>
+Columns num_timed and num_requested count both completed and skipped checkpoints.
+</para>
+</listitem>
+
+<!--
+Author: Fujii Masao <fujii@postgresql.org>
+2024-10-02 [17cc5f666] Fix inconsistent reporting of checkpointer stats.
+-->
+
+<listitem>
+<para>
+Add column pg_stat_checkpointer.slru_written to report SLRU buffers written (Nitin Jadhav)
+<ulink url="&commit_baseurl;17cc5f666">§</ulink>
+</para>
+
+<para>
+Also, modify the checkpoint server log message to report separate shared buffer and SLRU buffer values.
+</para>
+</listitem>
+
<!--
Author: Michael Paquier <michael@paquier.xyz>
-2025-02-24 [2421e9a51] Remove read/sync fields from pg_stat_wal and GUC track_w
-Author: Michael Paquier <michael@paquier.xyz>
-2025-02-26 [6c349d83b] Re-add GUC track_wal_io_timing
+2024-11-11 [e7a9496de] Add two attributes to pg_stat_database for parallel work
-->
<listitem>
<para>
-Remove read/sync fields from pg_stat_wal (Bertrand Drouvot)
-<ulink url="&commit_baseurl;2421e9a51">§</ulink>
-<ulink url="&commit_baseurl;6c349d83b">§</ulink>
+Add columns to pg_stat_database to report parallel workers activity (Benoit Lobréau)
+<ulink url="&commit_baseurl;e7a9496de">§</ulink>
</para>
<para>
-This removes columns wal_write, wal_sync, wal_write_time, and wal_sync_time.
+The new columns are parallel_workers_to_launch and parallel_workers_launched.
</para>
</listitem>
</para>
</listitem>
+<!--
+Author: Daniel Gustafsson <dgustafsson@postgresql.org>
+2024-10-24 [3d1ef3a15] Support configuring multiple ECDH curves
+-->
+
+<listitem>
+<para>
+Rename server variable ssl_ecdh_curve to ssl_groups and allow multiple colon-separated ECDH curves to be specified (Erica Zhang, Daniel Gustafsson)
+<ulink url="&commit_baseurl;3d1ef3a15">§</ulink>
+</para>
+
+<para>The previous name still works.
+</para>
+</listitem>
+
<!--
Author: Daniel Gustafsson <dgustafsson@postgresql.org>
2025-01-24 [924d89a35] pgcrypto: Add function to check FIPS mode
<listitem>
<para>
-Add server variable num_os_semaphores to report the required number of needed semaphores (Nathan Bossart)
+Add server variable num_os_semaphores to report the required number of semaphores (Nathan Bossart)
<ulink url="&commit_baseurl;0dcaea569">§</ulink>
</para>
</para>
<para>
-If the publication specifies a column list, all columns, generated and non-generated, are published. Without a published column list, publication option publish_generated_columns
+If the publication specifies a column list, all specified columns, generated and non-generated, are published. Without a specified column list, publication option publish_generated_columns
controls whether generated columns are published. Previously generated columns were not replicated and the subscriber had to compute the values if possible; this is particularly
useful for non-Postgres subscribers which lack such a capability.
</para>
<listitem>
<para>
-Add WAL, CPU, and average read statistics output EXPLAIN ANALYZE VERBOSE (Anthonin Bonnefoy)
+Add WAL, CPU, and average read statistics output to EXPLAIN ANALYZE VERBOSE (Anthonin Bonnefoy)
<ulink url="&commit_baseurl;4c1b4cdb8">§</ulink>
<ulink url="&commit_baseurl;bb7775234">§</ulink>
</para>
<!--
Author: Jeff Davis <jdavis@postgresql.org>
2025-01-23 [4e7f62bc3] Add support for Unicode case folding.
--->
-
-<listitem>
-<para>
-Add support for Unicode case folding (Jeff Davis)
-<ulink url="&commit_baseurl;4e7f62bc3">§</ulink>
-</para>
-</listitem>
-
-<!--
Author: Jeff Davis <jdavis@postgresql.org>
2025-01-17 [286a365b9] Support Unicode full case mapping and conversion.
-->
<listitem>
<para>
Improve Unicode full case mapping and conversion (Jeff Davis)
+<ulink url="&commit_baseurl;4e7f62bc3">§</ulink>
<ulink url="&commit_baseurl;286a365b9">§</ulink>
</para>
<listitem>
<para>
-Allow MIN/MAX aggregates on arrays and composite types (Aleksander Alekseev, Marat Buharov)
+Allow MIN()/MAX() aggregates on arrays and composite types (Aleksander Alekseev, Marat Buharov)
<ulink url="&commit_baseurl;a0f1fce80">§</ulink>
<ulink url="&commit_baseurl;2d24fd942">§</ulink>
</para>
<listitem>
<para>
-Add a WEEK option to EXTRACT (Tom Lane)
+Add a WEEK option to EXTRACT() (Tom Lane)
<ulink url="&commit_baseurl;6be39d77a">§</ulink>
</para>
</listitem>
</para>
<para>
-This UUID value is temporally sortable. Function uuidv4() has been added to explicitly generate version 4 UUIDs.
+This UUID value is temporally sortable. Function alias uuidv4() has been added to explicitly generate version 4 UUIDs.
</para>
</listitem>
<listitem>
<para>
-Add psql pipeline status to the prompt and add related state variables (Anthonin Bonnefoy)
+Allow adding pipeline status to the psql prompt and add related state variables (Anthonin Bonnefoy)
<ulink url="&commit_baseurl;3ce357584">§</ulink>
</para>
<listitem>
<para>
-Allow psql to display the connection service name in the psql prompt or access it via psql variable (Michael Banck)
+Allow adding the connection service name to the psql prompt or access it via psql variable (Michael Banck)
<ulink url="&commit_baseurl;477728b5d">§</ulink>
</para>
</listitem>
-<!--
-Author: Álvaro Herrera <alvherre@alvh.no-ip.org>
-2025-02-22 [bba2fbc62] Change \conninfo to use tabular format
--->
-
-<listitem>
-<para>
-Change psql's \conninfo to use tabular format and include more information (Álvaro Herrera, Maiquel Grassi, Hunaid Sohail)
-<ulink url="&commit_baseurl;bba2fbc62">§</ulink>
-</para>
-</listitem>
-
<!--
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
2025-01-14 [00f4c2959] psql: Add option to use expanded mode to all list comman
</para>
</listitem>
+<!--
+Author: Álvaro Herrera <alvherre@alvh.no-ip.org>
+2025-02-22 [bba2fbc62] Change \conninfo to use tabular format
+-->
+
+<listitem>
+<para>
+Change psql's \conninfo to use tabular format and include more information (Álvaro Herrera, Maiquel Grassi, Hunaid Sohail)
+<ulink url="&commit_baseurl;bba2fbc62">§</ulink>
+</para>
+</listitem>
+
<!--
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
2025-01-14 [2355e5111] psql: Add leakproof indicator to \df+, \do+, \dAo+, and
<listitem>
<para>
-Add function leakproof indicator psql's \df+, \do+, \dAo+, and \dC+ outputs (Yugo Nagata)
+Add function's leakproof indicator to psql's \df+, \do+, \dAo+, and \dC+ outputs (Yugo Nagata)
<ulink url="&commit_baseurl;2355e5111">§</ulink>
</para>
</listitem>
</para>
<para>
-Only some files can be hard linked, and should not be used if the backups will be used independently.
+Only some files can be hard linked. This should not be used if the backups will be used independently.
</para>
</listitem>
<listitem>
<para>
-If pg_rewind's --source-server specifies a database name, use it for --write-recovery-conf output (Masahiko Sawada)
+If pg_rewind's --source-server specifies a database name, use it in --write-recovery-conf output (Masahiko Sawada)
<ulink url="&commit_baseurl;4ecdd4110">§</ulink>
</para>
</listitem>
<sect4 id="release-18-pgdump">
- <title><link linkend="app-pgdump"><application>pg_dump</application>, etc.</link></title>
+ <title><link
+ linkend="app-pgdump"><application>pg_dump</application></link>/<link
+ linkend="app-pg-dumpall"><application>pg_dumpall</application></link>/<link
+ linkend="app-pgrestore"><application>pg_restore</application></link></title>
<itemizedlist>
</para>
</listitem>
-<!--
-Author: Nathan Bossart <nathan@postgresql.org>
-2025-03-25 [9c49f0e8c] pg_dump: Add - -sequence-data.
--->
-
-<listitem>
-<para>
-Add pg_dump option --sequence-data to dump sequence data that would normally be excluded (Nathan Bossart)
-<ulink url="&commit_baseurl;9c49f0e8c">§</ulink>
-</para>
-</listitem>
-
<!--
Author: Jeff Davis <jdavis@postgresql.org>
2025-03-25 [bde2fb797] Add pg_dump - -with-{schema|data|statistics} options.
</para>
</listitem>
+<!--
+Author: Nathan Bossart <nathan@postgresql.org>
+2025-03-25 [9c49f0e8c] pg_dump: Add - -sequence-data.
+-->
+
+<listitem>
+<para>
+Add pg_dump option --sequence-data to dump sequence data that would normally be excluded (Nathan Bossart)
+<ulink url="&commit_baseurl;9c49f0e8c">§</ulink>
+</para>
+</listitem>
+
<!--
Author: Jeff Davis <jdavis@postgresql.org>
2025-02-20 [1fd1bd871] Transfer statistics during pg_upgrade.
2025-03-18 [c9d502eb6] Update guidance for running vacuumdb after pg_upgrade.
Author: Nathan Bossart <nathan@postgresql.org>
2025-04-30 [d5f1b6a75] Further adjust guidance for running vacuumdb after pg_up
+Author: Jeff Davis <jdavis@postgresql.org>
+2025-02-20 [1fd1bd871] Transfer statistics during pg_upgrade.
-->
<listitem>
<ulink url="&commit_baseurl;1fd1bd871">§</ulink>
<ulink url="&commit_baseurl;c9d502eb6">§</ulink>
<ulink url="&commit_baseurl;d5f1b6a75">§</ulink>
+<ulink url="&commit_baseurl;1fd1bd871">§</ulink>
</para>
<para>
-Extended statistics are not preserved.
-</para>
-</listitem>
-
-<!--
-Author: Jeff Davis <jdavis@postgresql.org>
-2025-02-20 [1fd1bd871] Transfer statistics during pg_upgrade.
--->
-
-<listitem>
-<para>
-Add pg_upgrade option --no-statistics (Corey Huinker, Jeff Davis)
-<ulink url="&commit_baseurl;1fd1bd871">§</ulink>
+Extended statistics are not preserved. Also add pg_upgrade option --no-statistics to disable statistics preservation.
</para>
</listitem>
<listitem>
<para>
-Add pg_createsubscriber option -R/--remove to remove publications (Shubham Khanna)
+Add pg_createsubscriber option --remove to remove publications (Shubham Khanna)
<ulink url="&commit_baseurl;e5aeed4b8">§</ulink>
</para>
</listitem>
<!--
Author: Thomas Munro <tmunro@postgresql.org>
2024-07-30 [e25626677] Remove - -disable-spinlocks.
--->
-
-<listitem>
-<para>
-Remove configure option --disable-spinlocks (Thomas Munro)
-<ulink url="&commit_baseurl;e25626677">§</ulink>
-</para>
-</listitem>
-
-<!--
Author: Thomas Munro <tmunro@postgresql.org>
2024-07-30 [813852613] Remove - -disable-atomics, require 32 bit atomics.
-->
<listitem>
<para>
-Remove configure option --disable-atomics (Thomas Munro)
+Remove configure options --disable-spinlocks and --disable-atomics (Thomas Munro)
+<ulink url="&commit_baseurl;e25626677">§</ulink>
<ulink url="&commit_baseurl;813852613">§</ulink>
</para>
<listitem>
<para>
-Remove support for HPPA/PA-RISC architecture (Tom Lane)
+Remove support for the HPPA/PA-RISC architecture (Tom Lane)
<ulink url="&commit_baseurl;edadeb071">§</ulink>
</para>
</listitem>
<listitem>
<para>
-Add extension pg_overexplain which allows for additional EXPLAIN output useful for debugging (Robert Haas)
+Add extension pg_overexplain which adds debug details to EXPLAIN output (Robert Haas)
<ulink url="&commit_baseurl;8d5ceb113">§</ulink>
</para>
</listitem>
</para>
<para>
-New output column "used_in_xact" indicates if the foreign data wrapper is being used by a current transaction, and "closed" indicates if it is closed, "user_name" indicates the
+New output column "used_in_xact" indicates if the foreign data wrapper is being used by a current transaction, "closed" indicates if it is closed, "user_name" indicates the
user name, and "remote_backend_pid" indicates the remote backend process identifier.
</para>
</listitem>
<!--
Author: Fujii Masao <fujii@postgresql.org>
-2024-11-20 [6c8f67032] file_fdw: Add REJECT_LIMIT option to file_fdw.
+2024-10-03 [a1c4c8a9e] file_fdw: Add on_error and log_verbosity options to file
-->
<listitem>
<para>
-Add REJECT_LIMIT to control the number of invalid rows file_fdw can ignore (Atsushi Torikoshi)
-<ulink url="&commit_baseurl;6c8f67032">§</ulink>
+Add on_error and log_verbosity options to file_fdw (Atsushi Torikoshi)
+<ulink url="&commit_baseurl;a1c4c8a9e">§</ulink>
</para>
<para>
-This is active when ON_ERROR = 'ignore'.
+These control how file_fdw handles and reports invalid file rows.
</para>
</listitem>
<!--
Author: Fujii Masao <fujii@postgresql.org>
-2024-10-03 [a1c4c8a9e] file_fdw: Add on_error and log_verbosity options to file
+2024-11-20 [6c8f67032] file_fdw: Add REJECT_LIMIT option to file_fdw.
-->
<listitem>
<para>
-Add on_error and log_verbosity options to file_fdw (Atsushi Torikoshi)
-<ulink url="&commit_baseurl;a1c4c8a9e">§</ulink>
+Add REJECT_LIMIT to control the number of invalid rows file_fdw can ignore (Atsushi Torikoshi)
+<ulink url="&commit_baseurl;6c8f67032">§</ulink>
</para>
<para>
-These control how file_fdw handles and reports invalid file rows.
+This is active when ON_ERROR = 'ignore'.
</para>
</listitem>
</para>
</listitem>
-<!--
-Author: Michael Paquier <michael@paquier.xyz>
-2024-08-04 [7949d9594] Introduce pluggable APIs for Cumulative Statistics
-Author: Michael Paquier <michael@paquier.xyz>
-2024-08-05 [2eff9e678] Add helper routines to retrieve data for custom fixed-nu
--->
-
-<listitem>
-<para>
-Allow extensions to use the server's cumulative statistics API (Michael Paquier)
-<ulink url="&commit_baseurl;7949d9594">§</ulink>
-<ulink url="&commit_baseurl;2eff9e678">§</ulink>
-</para>
-</listitem>
-
<!--
Author: Robert Haas <rhaas@postgresql.org>
2025-03-18 [c65bc2e1d] Make it possible for loadable modules to add EXPLAIN opt
<ulink url="&commit_baseurl;4fd02bf7c">§</ulink>
<ulink url="&commit_baseurl;50ba65e73">§</ulink>
</para>
+</listitem>
+
+<!--
+Author: Michael Paquier <michael@paquier.xyz>
+2024-08-04 [7949d9594] Introduce pluggable APIs for Cumulative Statistics
+Author: Michael Paquier <michael@paquier.xyz>
+2024-08-05 [2eff9e678] Add helper routines to retrieve data for custom fixed-nu
+-->
+
+<listitem>
+<para>
+Allow extensions to use the server's cumulative statistics API (Michael Paquier)
+<ulink url="&commit_baseurl;7949d9594">§</ulink>
+<ulink url="&commit_baseurl;2eff9e678">§</ulink>
+</para>
</listitem>
</itemizedlist>
projects / postgresql.git / commitdiff