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Postgres FD Implementation
Commit 0cdaa05b authored by Bruce Momjian's avatar Bruce Momjian
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doc: complete adding XML markup to PG 14 relnotes

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doc/src/sgml/release-14.sgml
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......@@ -2286,7 +2286,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Allow <acronym>SQL</acronym>-language functions and procedures to use <acronym>SQL</acronym>-standard function bodies (Peter Eisentraut)
Allow <acronym>SQL</acronym>-language <link linkend="sql-createfunction">functions</link> and <link linkend="sql-createprocedure">procedures</link> to use <acronym>SQL</acronym>-standard function bodies (Peter Eisentraut)
</para>
<para>
......@@ -2303,7 +2303,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Allow procedures to have <literal>OUT</literal> parameters (Peter Eisentraut)
Allow <link linkend="sql-createprocedure">procedures</link> to have <literal>OUT</literal> parameters (Peter Eisentraut)
</para>
</listitem>
......@@ -2318,7 +2318,9 @@ Allow some array functions to operate on a mix of compatible data types (Tom Lan
</para>
<para>
The functions are <function>array_append()</function> <function>array_prepend()</function>, <function>array_cat()</function>, <function>array_position()</function>, <function>array_positions()</function>, <function>array_remove()</function>, <function>array_replace()</function>, and <function>width_bucket()</function>. Previously only identical data types could be used.
The functions are <link linkend="functions-array"><function>array_append()</function></link>, <function>array_prepend()</function>, <function>array_cat()</function>, <function>array_position()</function>,
<function>array_positions()</function>, <function>array_remove()</function>, <function>array_replace()</function>, and
<link linkend="functions-math"><function>width_bucket()</function></link>. Previously only identical data types could be used.
</para>
</listitem>
......@@ -2329,7 +2331,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Add <acronym>SQL</acronym>-standard <function>trim_array()</function> function (Vik Fearing)
Add <acronym>SQL</acronym>-standard <link linkend="functions-array"><function>trim_array()</function></link> function (Vik Fearing)
</para>
<para>
......@@ -2344,7 +2346,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Add bytea equivalents of <function>ltrim()</function> and <function>rtrim()</function> (Joel Jacobson)
Add bytea equivalents of <link linkend="functions-binarystring"><function>ltrim()</function></link> and <function>rtrim()</function> (Joel Jacobson)
</para>
</listitem>
......@@ -2355,7 +2357,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Support negative indexes in <function>split_part()</function> (Nikhil Benesch)
Support negative indexes in <link linkend="functions-string"><function>split_part()</function></link> (Nikhil Benesch)
</para>
<para>
......@@ -2370,11 +2372,11 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
A <function>string_to_table()</function> function to split a string on delimiters (Pavel Stehule)
Add <link linkend="functions-string"><function>string_to_table()</function></link> function to split a string on delimiters (Pavel Stehule)
</para>
<para>
This is similar to the <function>regexp_split_to_table()</function> function.
This is similar to the <link linkend="functions-string"><function>regexp_split_to_table()</function></link> function.
</para>
</listitem>
......@@ -2385,7 +2387,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Add <function>unistr()</function> function to allow Unicode characters to be specified as backslash-hex escapes in strings (Pavel Stehule)
Add <link linkend="functions-string"><function>unistr()</function></link> function to allow Unicode characters to be specified as backslash-hex escapes in strings (Pavel Stehule)
</para>
<para>
......@@ -2400,7 +2402,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Add <function>bit_xor()</function> XOR aggregate function (Alexey Bashtanov)
Add <link linkend="functions-aggregate"><function>bit_xor()</function></link> XOR aggregate function (Alexey Bashtanov)
</para>
</listitem>
......@@ -2411,7 +2413,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Add function <function>bit_count()</function> to return the number of bits set in a bit or byte string (David Fetter)
Add function <link linkend="functions-binarystring"><function>bit_count()</function></link> to return the number of bits set in a bit or byte string (David Fetter)
</para>
</listitem>
......@@ -2424,7 +2426,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Add <function>date_bin()</function> function (John Naylor)
Add <link linkend="functions-datetime-bin"><function>date_bin()</function></link> function (John Naylor)
</para>
<para>
......@@ -2439,7 +2441,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Allow <function>make_timestamp()</function>/<function>make_timestamptz()</function> to accept negative years (Peter Eisentraut)
Allow <link linkend="functions-datetime"><function>make_timestamp()</function></link>/<function>make_timestamptz()</function> to accept negative years (Peter Eisentraut)
</para>
<para>
......@@ -2454,7 +2456,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Add newer regular expression <function>substring()</function> syntax (Peter Eisentraut)
Add newer regular expression <link linkend="functions-string"><function>substring()</function></link> syntax (Peter Eisentraut)
</para>
<para>
......@@ -2469,7 +2471,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Allow complemented character class escapes \D, \S, and \W within regex brackets (Tom Lane)
Allow complemented character class escapes <link linkend="posix-escape-sequences">\D</link>, <literal>\S</literal>, and <literal>\W</literal> within regex brackets (Tom Lane)
</para>
</listitem>
......@@ -2480,7 +2482,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Add [[:word:]] as a character class to match \w (Tom Lane)
Add <link linkend="posix-escape-sequences"><literal>[[:word:]]</literal></link> as a character class to match \w (Tom Lane)
</para>
</listitem>
......@@ -2491,7 +2493,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Allow more flexible data types for default values of <function>lead()</function> and <function>lag()</function> window functions (Vik Fearing)
Allow more flexible data types for default values of <link linkend="functions-window"><function>lead()</function></link> and <function>lag()</function> window functions (Vik Fearing)
</para>
</listitem>
......@@ -2506,7 +2508,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Cause <function>exp()</function> and <function>power()</function> for negative-infinity exponents to return zero (Tom Lane)
Cause <link linkend="functions-math"><function>exp()</function></link> and <function>power()</function> for negative-infinity exponents to return zero (Tom Lane)
</para>
<para>
......@@ -2540,7 +2542,7 @@ Mark <function>pg_stat_get_subscription()</function> as returning a set (Tom Lan
</para>
<para>
While it worked in previous releases, it didn't report proper optimizer statistics and couldn't be used in the target list.
While it worked in previous releases, it didn't report proper optimizer statistics and couldn't be used in the target list. FUNCTION NOT DOCUMENTED.
</para>
</listitem>
......@@ -2551,7 +2553,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Prevent <function>inet_server_addr()</function> and <function>inet_server_port()</function> from being run by parallel workers (Masahiko Sawada)
Prevent <link linkend="functions-info"><function>inet_server_addr()</function></link> and <function>inet_server_port()</function> from being run by parallel workers (Masahiko Sawada)
</para>
</listitem>
......@@ -2562,7 +2564,8 @@ Author: Michael Paquier <michael@paquier.xyz>
-->
<para>
Change <function>pg_describe_object()</function>, <function>pg_identify_object()</function>, and <function>pg_identify_object_as_address()</function> to always report helpful error messages for non-existent objects (Michael Paquier)
Change <link linkend="functions-info"><function>pg_describe_object()</function></link>, <function>pg_identify_object()</function>, and
<function>pg_identify_object_as_address()</function> to always report helpful error messages for non-existent objects (Michael Paquier)
</para>
</listitem>
......@@ -2582,7 +2585,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Improve PL/pgSQL's expression and assignment parsing (Tom Lane)
Improve PL/pgSQL's <link linkend="plpgsql-expressions">expression</link> and <link linkend="plpgsql-statements-assignment">assignment</link> parsing (Tom Lane)
</para>
<para>
......@@ -2597,7 +2600,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Allow plpgsql's <literal>RETURN QUERY</literal> to execute its query using parallelism (Tom Lane)
Allow plpgsql's <link linkend="plpgsql-control-structures"><literal>RETURN QUERY</literal></link> to execute its query using parallelism (Tom Lane)
</para>
</listitem>
......@@ -2608,7 +2611,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Improve performance of repeated CALLs within plpgsql procedures (Pavel Stehule, Tom Lane)
Improve performance of repeated <link linkend="plpgsql-transactions">CALL</link>s within plpgsql procedures (Pavel Stehule, Tom Lane)
</para>
</listitem>
......@@ -2628,7 +2631,7 @@ Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
-->
<para>
Add pipeline mode to libpq (Craig Ringer, Matthieu Garrigues, Álvaro Herrera)
Add <link linkend="libpq-pipeline-sending">pipeline</link> mode to libpq (Craig Ringer, Matthieu Garrigues, Álvaro Herrera)
</para>
<para>
......@@ -2645,7 +2648,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Enhance libpq's <option>target_session_attrs</option> parameter options (Haribabu Kommi, Greg Nancarrow, Vignesh C, Tom Lane)
Enhance libpq's <link linkend="libpq-paramkeywords"><option>target_session_attrs</option></link> parameter options (Haribabu Kommi, Greg Nancarrow, Vignesh C, Tom Lane)
</para>
<para>
......@@ -2660,7 +2663,7 @@ Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
-->
<para>
Improve the output format of libpq's <function>PQtrace()</function> (Aya Iwata, Álvaro Herrera)
Improve the output format of libpq's <link linkend="libpq-control"><function>PQtrace()</function></link> (Aya Iwata, Álvaro Herrera)
</para>
</listitem>
......@@ -2671,7 +2674,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Allow libpq service files to have unlimited line lengths (Daniel Gustafsson)
Allow the libpq <link linkend="libpq-pgservice">service file</link> to have unlimited line lengths (Daniel Gustafsson)
</para>
<para>
......@@ -2690,7 +2693,7 @@ Allow an <literal>ECPG SQL</literal> identifier to be linked to a specific conne
</para>
<para>
This is done via <literal>DECLARE ... STATEMENT</literal>.
This is done via <link linkend="ecpg-sql-declare-statement"><literal>DECLARE ... STATEMENT</literal></link>.
</para>
</listitem>
......@@ -2710,7 +2713,7 @@ Author: Michael Paquier <michael@paquier.xyz>
-->
<para>
Allow reindexdb to change the tablespace of the new index (Michael Paquier)
Allow <link linkend="app-reindexdb"><application>reindexdb</application></link> to change the tablespace of the new index (Michael Paquier)
</para>
<para>
......@@ -2725,7 +2728,7 @@ Author: Michael Paquier <michael@paquier.xyz>
-->
<para>
Allow vacuumdb to skip index cleanup and truncation (Nathan Bossart)
Allow <link linkend="app-vacuumdb"><application>vacuumdb</application></link> to skip index cleanup and truncation (Nathan Bossart)
</para>
<para>
......@@ -2740,7 +2743,7 @@ Author: Michael Paquier <michael@paquier.xyz>
-->
<para>
Allow <application>pg_dump</application> to dump only certain extensions (Guillaume Lelarge)
Allow <link linkend="app-pgdump"><application>pg_dump</application></link> to dump only certain extensions (Guillaume Lelarge)
</para>
<para>
......@@ -2755,7 +2758,7 @@ Author: Dean Rasheed <dean.a.rasheed@gmail.com>
-->
<para>
Add pgbench <function>permute()</function> function to randomly shuffle values (Fabien Coelho, Hironobu Suzuki, Dean Rasheed)
Add <link linkend="pgbench"><application>pgbench</application></link> <function>permute()</function> function to randomly shuffle values (Fabien Coelho, Hironobu Suzuki, Dean Rasheed)
</para>
</listitem>
......@@ -2770,7 +2773,8 @@ Allow multiple verbose option specifications (<option>-v</option>) to increase t
</para>
<para>
This is now supported by <application>pg_dump</application>, <application>pg_dumpall</application>, and <application>pg_restore</application>.
This is now supported by <link linkend="app-pgdump"><application>pg_dump</application></link>, <link linkend="app-pg-dumpall"><application>pg_dumpall</application></link>,
and <link linkend="app-pgrestore"><application>pg_restore</application></link>.
</para>
</listitem>
......@@ -2933,7 +2937,7 @@ Author: Robert Haas <rhaas@postgresql.org>
-->
<para>
Add command-line utility <application>pg_amcheck</application> to simplify running contrib/amcheck operations on many relations (Mark Dilger)
Add command-line utility <link linkend="app-pgamcheck"><application>pg_amcheck</application></link> to simplify running contrib/amcheck operations on many relations (Mark Dilger)
</para>
</listitem>
......@@ -2944,7 +2948,7 @@ Author: Magnus Hagander <magnus@hagander.net>
-->
<para>
Add <option>--no-instructions</option> option to initdb (Magnus Hagander)
Add <option>--no-instructions</option> option to <link linkend="app-initdb"><application>initdb</application></link> (Magnus Hagander)
</para>
<para>
......@@ -2959,11 +2963,11 @@ Author: Magnus Hagander <magnus@hagander.net>
-->
<para>
Stop <application>pg_upgrade</application> from creating analyze_new_cluster script (Michael Paquier)
Stop <link linkend="pgupgrade"><application>pg_upgrade</application></link> from creating <filename>analyze_new_cluster</filename> script (Michael Paquier)
</para>
<para>
Instead, give comparable vacuumdb instructions.
Instead, give comparable <link linkend="app-vacuumdb"><application>vacuumdb</application></link> instructions.
</para>
</listitem>
......@@ -2974,7 +2978,7 @@ Author: Magnus Hagander <magnus@hagander.net>
-->
<para>
Remove support for the postmaster <option>-o</option> option (Magnus Hagander)
Remove support for the <link linkend="app-postgres"><application>postmaster</application></link> <option>-o</option> option (Magnus Hagander)
</para>
<para>
......@@ -2998,7 +3002,7 @@ Author: Stephen Frost <sfrost@snowman.net>
-->
<para>
Rename Default Roles to Predefined Roles (Bruce Momjian, Stephen Frost)
Rename "Default Roles" to <link linkend="predefined-roles">"Predefined Roles"</link> (Bruce Momjian, Stephen Frost)
</para>
</listitem>
......@@ -3009,7 +3013,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Add documentation for the <function>factorial()</function> function (Peter Eisentraut)
Add documentation for the <link linkend="function-factorial"><function>factorial()</function></link> function (Peter Eisentraut)
</para>
<para>
......@@ -3033,7 +3037,7 @@ Author: Michael Paquier <michael@paquier.xyz>
-->
<para>
Add configure option <literal>--with-ssl={openssl}</literal> to behave like <option>--with-openssl</option> (Daniel Gustafsson, Michael Paquier)
Add configure option <link linkend="configure-options-features"><literal>--with-ssl={openssl}</literal></link> to behave like <option>--with-openssl</option> (Daniel Gustafsson, Michael Paquier)
</para>
<para>
......@@ -3048,11 +3052,11 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Add support for abstract Unix-domain sockets (Peter Eisentraut)
Add support for <link linkend="guc-unix-socket-directories">abstract Unix-domain sockets</link> (Peter Eisentraut)
</para>
<para>
This is currently supported on Linux and Windows.
This is currently supported on <productname>Linux</productname> and <productname>Windows</productname>.
</para>
</listitem>
......@@ -3063,7 +3067,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
-->
<para>
Add <varname>debug_invalidate_system_caches_always</varname> to control cache overwriting (Craig Ringer)
Add <xref linkend="guc-debug-invalidate-system-caches-always"/> to control cache overwriting (Craig Ringer)
</para>
<para>
......@@ -3082,7 +3086,7 @@ Author: Peter Geoghegan <pg@bowt.ie>
-->
<para>
Various improvements in valgrind detection (Álvaro Herrera, Peter Geoghegan)
Various improvements in <productname>valgrind</productname> detection (Álvaro Herrera, Peter Geoghegan)
</para>
</listitem>
......@@ -3121,7 +3125,7 @@ Author: Michael Paquier <michael@paquier.xyz>
-->
<para>
Change SHA1, SHA2, and MD5 hash computations to use the OpenSSL <acronym>EVP API</acronym> (Michael Paquier)
Change SHA1, SHA2, and MD5 hash computations to use the <productname>OpenSSL</productname> <acronym>EVP API</acronym> (Michael Paquier)
</para>
<para>
......@@ -3147,7 +3151,7 @@ Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
-->
<para>
Add direct conversion routines between <literal>EUC_TW</literal> and Big5 (Heikki Linnakangas)
Add direct conversion routines between EUC_TW and Big5 (Heikki Linnakangas)
</para>
</listitem>
......@@ -3158,7 +3162,7 @@ Author: Thomas Munro <tmunro@postgresql.org>
-->
<para>
Add collation versions for FreeBSD (Thomas Munro)
Add collation versions for <productname>FreeBSD</productname> (Thomas Munro)
</para>
</listitem>
......@@ -3169,7 +3173,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
-->
<para>
Add "amadjustmembers" to the index access method <acronym>API</acronym> (Tom Lane)
Add <link linkend="index-api"><structfield>amadjustmembers</structfield></link> to the index access method <acronym>API</acronym> (Tom Lane)
</para>
<para>
......@@ -3188,188 +3192,197 @@ REMOVE?
<listitem>
<!--
Author: Bruce Momjian <bruce@momjian.us>
2021-04-07 [5fd9dfa5f] Move pg_stat_statements query jumbling to core.
Author: Tom Lane <tgl@sss.pgh.pa.us>
2020-12-11 [0ec5f7e78] Allow subscripting of hstore values.
-->
<para>
Move query hash computation from <application>pg_stat_statements</application> to the core server (Julien Rouhaud)
</para>
<para>
The new server variable <varname>compute_query_id</varname>'s default of 'auto' will automatically enable query id computation when this extension is loaded.
Allow subscripting of <link linkend="hstore"><application>hstore</application></link> values (Tom Lane, Dmitry Dolgov)
</para>
</listitem>
<listitem>
<!--
Author: Magnus Hagander <magnus@hagander.net>
2021-04-08 [6b4d23fee] Track identical top vs nested queries independently in p
Author: Alexander Korotkov <akorotkov@postgresql.org>
2020-11-15 [935f66665] Handle equality operator in contrib/pg_trgm
-->
<para>
Allow <application>pg_stat_statements</application> to track top and nested statements independently (Julien Rohaud)
Allow GiST/GIN <link linkend="pgtrgm"><application>pg_trgm</application></link> indexes to do equality lookups (Julien Rouhaud)
</para>
<para>
Previously, when tracking all statements, identical top and nested statements were tracked together.
</para>
</listitem>
<listitem>
<!--
Author: Fujii Masao <fujii@postgresql.org>
2020-07-29 [6023b7ea7] pg_stat_statements: track number of rows processed by so
Author: Fujii Masao <fujii@postgresql.org>
2020-11-12 [b62e6056a] pg_stat_statements: track number of rows processed by RE
-->
<para>
Add row counts for utility commands to <structname>pg_stat_statements</structname>> (Fujii Masao, Katsuragi Yuta, Seino Yuki)
This is similar to <literal>LIKE</literal> except no wildcards are honored.
</para>
</listitem>
<listitem>
<!--
Author: Fujii Masao <fujii@postgresql.org>
2020-11-26 [9fbc3f318] pg_stat_statements: Track number of times pgss entries w
Author: Fujii Masao <fujii@postgresql.org>
2020-12-18 [2e0fedf03] pg_stat_statements: Track time at which all statistics w
Author: Tom Lane <tgl@sss.pgh.pa.us>
2021-03-06 [1265a9c8f] Add binary I/O capability for cube datatype.
-->
<para>
Add <structname>pg_stat_statements_info</structname> system view to show <structname>pg_stat_statements</structname> activity (Katsuragi Yuta, Yuki Seino, Naoki Nakamichi)
Allow the <link linkend="cube"><application>cube</application></link> data type to be transferred in binary mode (KaiGai Kohei)
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
2020-12-11 [0ec5f7e78] Allow subscripting of hstore values.
Author: Peter Eisentraut <peter@eisentraut.org>
2020-06-30 [ee0202d55] pgstattuple: Have pgstattuple_approx accept TOAST tables
-->
<para>
Allow subscripting of hstore values (Tom Lane, Dmitry Dolgov)
Allow <function>pgstattuple_approx()</function> to report on <acronym>TOAST</acronym> tables (Peter Eisentraut)
</para>
</listitem>
<listitem>
<!--
Author: Alexander Korotkov <akorotkov@postgresql.org>
2020-11-15 [935f66665] Handle equality operator in contrib/pg_trgm
Author: Robert Haas <rhaas@postgresql.org>
2020-09-10 [34a947ca1] New contrib module, pg_surgery, with heap surgery functi
-->
<para>
Allow GiST/GIN <application>pg_trgm</application> indexes to do equality lookups (Julien Rouhaud)
Add contrib module <link linkend="pgsurgery"><application>pg_surgery</application></link> which allows changes to row visibility (Ashutosh Sharma)
</para>
<para>
This is similar to <literal>LIKE</literal> except no wildcards are honored.
This is useful for correcting database corruption.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
2021-03-06 [1265a9c8f] Add binary I/O capability for cube datatype.
Author: Robert Haas <rhaas@postgresql.org>
2020-09-24 [aecf5ee2b] Add new 'old_snapshot' contrib module.
-->
<para>
Allow the cube data type to be transferred in binary mode (KaiGai Kohei)
Add contrib module <link linkend="oldsnapshot"><application>old_snapshot</application></link> to report the <type>XID</type>/time mapping used by an active <xref linkend="guc-old-snapshot-threshold"/> (Robert Haas)
</para>
</listitem>
<listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
2020-09-10 [34a947ca1] New contrib module, pg_surgery, with heap surgery functi
2020-10-22 [866e24d47] Extend amcheck to check heap pages.
-->
<para>
Add contrib module <application>pg_surgery</application> which allows changes to row visibility (Ashutosh Sharma)
Allow <link linkend="amcheck"><application>amcheck</application></link> to also check heap pages (Mark Dilger)
</para>
<para>
This is useful for correcting database corruption.
Previously it only checked B-Tree index pages.
</para>
</listitem>
<listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
2020-09-24 [aecf5ee2b] Add new 'old_snapshot' contrib module.
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
2021-01-13 [756ab2912] Add functions to 'pageinspect' to inspect GiST indexes.
Author: Peter Geoghegan <pg@bowt.ie>
2021-02-14 [9e596b65f] Add "LP_DEAD item?" column to GiST pageinspect functions
-->
<para>
Add contrib module <application>old_snapshot</application> to report the <type>XID</type>/time mapping used by an active <varname>old_snapshot_threshold</varname> (Robert Haas)
Allow <link linkend="pageinspect"><application>pageinspect</application></link> to inspect GiST indexes (Andrey Borodin, Heikki Linnakangas)
</para>
</listitem>
<listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
2020-10-22 [866e24d47] Extend amcheck to check heap pages.
Author: Peter Eisentraut <peter@eisentraut.org>
2021-01-19 [f18aa1b20] pageinspect: Change block number arguments to bigint
-->
<para>
Allow amcheck to also check heap pages (Mark Dilger)
Change <application>pageinspect</application> block numbers to be <link linkend="datatype-int"><type>bigints</type></link> (Peter Eisentraut)
</para>
</listitem>
<listitem>
<!--
Author: Alexander Korotkov <akorotkov@postgresql.org>
2020-07-20 [d98c08cdc] Update btree_gist extension for parallel query
-->
<para>
Previously it only checked B-Tree index pages.
Mark <link linkend="btree-gist"><application>btree_gist</application></link> functions as parallel safe (Steven Winfield)
</para>
</listitem>
</itemizedlist>
<sect4>
<title><link linkend="pgstatstatements">pg_stat_statements</link></title>
<itemizedlist>
<listitem>
<!--
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
2021-01-13 [756ab2912] Add functions to 'pageinspect' to inspect GiST indexes.
Author: Peter Geoghegan <pg@bowt.ie>
2021-02-14 [9e596b65f] Add "LP_DEAD item?" column to GiST pageinspect functions
Author: Bruce Momjian <bruce@momjian.us>
2021-04-07 [5fd9dfa5f] Move pg_stat_statements query jumbling to core.
-->
<para>
Allow pageinspect to inspect GiST indexes (Andrey Borodin, Heikki Linnakangas)
Move query hash computation from <application>pg_stat_statements</application> to the core server (Julien Rouhaud)
</para>
<para>
The new server variable <xref linkend="guc-compute-query-id"/>'s default of <literal>auto</literal> will automatically enable query id computation when this extension is loaded.
</para>
</listitem>
<listitem>
<!--
Author: Peter Eisentraut <peter@eisentraut.org>
2021-01-19 [f18aa1b20] pageinspect: Change block number arguments to bigint
Author: Magnus Hagander <magnus@hagander.net>
2021-04-08 [6b4d23fee] Track identical top vs nested queries independently in p
-->
<para>
Change pageinspect block numbers to be bigints (Peter Eisentraut)
Allow <application>pg_stat_statements</application> to track top and nested statements independently (Julien Rohaud)
</para>
<para>
Previously, when tracking all statements, identical top and nested statements were tracked together.
</para>
</listitem>
<listitem>
<!--
Author: Peter Eisentraut <peter@eisentraut.org>
2020-06-30 [ee0202d55] pgstattuple: Have pgstattuple_approx accept TOAST tables
Author: Fujii Masao <fujii@postgresql.org>
2020-07-29 [6023b7ea7] pg_stat_statements: track number of rows processed by so
Author: Fujii Masao <fujii@postgresql.org>
2020-11-12 [b62e6056a] pg_stat_statements: track number of rows processed by RE
-->
<para>
Allow <function>pgstattuple_approx()</function> to report on <acronym>TOAST</acronym> tables (Peter Eisentraut)
Add row counts for utility commands to <structname>pg_stat_statements</structname>> (Fujii Masao, Katsuragi Yuta, Seino Yuki)
</para>
</listitem>
<listitem>
<!--
Author: Alexander Korotkov <akorotkov@postgresql.org>
2020-07-20 [d98c08cdc] Update btree_gist extension for parallel query
Author: Fujii Masao <fujii@postgresql.org>
2020-11-26 [9fbc3f318] pg_stat_statements: Track number of times pgss entries w
Author: Fujii Masao <fujii@postgresql.org>
2020-12-18 [2e0fedf03] pg_stat_statements: Track time at which all statistics w
-->
<para>
Mark <application>btree_gist</application> functions as parallel safe (Steven Winfield)
Add <structname>pg_stat_statements_info</structname> system view to show <structname>pg_stat_statements</structname> activity (Katsuragi Yuta, Yuki Seino, Naoki Nakamichi)
</para>
</listitem>
</itemizedlist>
</sect4>
<sect4>
<title>postgres_fdw</title>
<title><link linkend="postgres-fdw"><application>postgres_fdw</application></link></title>
<itemizedlist>
......@@ -3393,7 +3406,7 @@ Author: Fujii Masao <fujii@postgresql.org>
-->
<para>
Allow <application>postgres_fdw</application> to import table partitions if specified by <command>IMPORT FOREIGN SCHEMA ... LIMIT TO</command> (Matthias van de Meent)
Allow <application>postgres_fdw</application> to import table partitions if specified by <link linkend="sql-importforeignschema"><command>IMPORT FOREIGN SCHEMA ... LIMIT TO</command></link> (Matthias van de Meent)
</para>
<para>
......@@ -3408,7 +3421,7 @@ Author: Fujii Masao <fujii@postgresql.org>
-->
<para>
Add <application>postgres_fdw</application> function postgres_fdw_get_connections to report open foreign server connections (Bharath Rupireddy)
Add <application>postgres_fdw</application> function <function>postgres_fdw_get_connections()</function> to report open foreign server connections (Bharath Rupireddy)
</para>
</listitem>
......
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