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Postgres FD Implementation
Commit 66447916 authored by Bruce Momjian's avatar Bruce Momjian
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release notes: add links to doc sections

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doc/src/sgml/release-9.5.sgml
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......@@ -53,8 +53,8 @@
<listitem>
<para>
Adjust operator precedence to match the <acronym>SQL</> standard
(Tom Lane)
Adjust <link linkend="functions-comparison">operator precedence</>
to match the <acronym>SQL</> standard (Tom Lane)
</para>
<para>
......@@ -81,8 +81,9 @@
<listitem>
<para>
Allow special characters in server startup option values to be
escaped with a backslash (Andres Freund)
Allow special characters in <link linkend="libpq-envars">server
startup option values</> to be escaped with a backslash (Andres
Freund)
</para>
<para>
......@@ -93,7 +94,8 @@
<listitem>
<para>
Set the default value of <varname>include_realm</> to not remove
Set the default value of <link
linkend="gssapi-auth"><varname>include_realm</></> to not remove
the <acronym>GSS</> and <acronym>SSPI</> realm from the principal
(Stephen Frost)
</para>
......@@ -101,9 +103,10 @@
<listitem>
<para>
Fix <command>REASSIGN</> and <command>ALTER OWNER TO</> to properly
reassign ownership of types, foreign data wrappers, and foreign
servers (Bruce Momjian)
Fix <link linkend="SQL-REASSIGN-OWNED"><command>REASSIGN</></>
and <link linkend="SQL-ALTERTABLE"><command>ALTER OWNER TO</></>
to properly reassign ownership of types, foreign data wrappers,
and foreign servers (Bruce Momjian)
</para>
</listitem>
......@@ -116,8 +119,9 @@
<listitem>
<para>
Remove <structname>pg_authid</>.<structname>rolcatupdate</>, as it
had no purpose (Adam Brightwell)
Remove <link
linkend="catalog-pg-authid"><structname>pg_authid</>.<structname>rolcatupdate</></>,
as it had no purpose (Adam Brightwell)
</para>
</listitem>
......@@ -144,8 +148,8 @@
<listitem>
<para>
Add Block Range Indexes (<acronym>BRIN</>) (&Aacute;lvaro Herrera,
Heikki Linnakangas, Emre Hasegeli)
Add <link linkend="BRIN">Block Range Indexes</> (<acronym>BRIN</>)
(&Aacute;lvaro Herrera, Heikki Linnakangas, Emre Hasegeli)
</para>
<para>
......@@ -157,8 +161,9 @@
<listitem>
<para>
Allow queries to perform accurate distance filtering of
bounding-box-indexed objects (polygons, circles) using GiST indexes
(Alexander Korotkov, Heikki Linnakangas)
bounding-box-indexed objects (polygons, circles) using <link
linkend="GiST">GiST</> indexes (Alexander Korotkov, Heikki
Linnakangas)
</para>
<para>
......@@ -171,27 +176,30 @@
<listitem>
<para>
Allow GiST indexes to perform index-only scans (Anastasia
Lubennikova, Heikki Linnakangas, Andreas Karlsson)
Allow <link linkend="GiST">GiST</> indexes to perform index-only
scans (Anastasia Lubennikova, Heikki Linnakangas, Andreas Karlsson)
</para>
</listitem>
<listitem>
<para>
Add <acronym>GUC</> <varname>gin_pending_list_limit</> to control
the size of <acronym>GIN</> pending lists (Fujii Masao)
Add <acronym>GUC</> <link
linkend="guc-gin-pending-list-limit"><varname>gin_pending_list_limit</></>
to control the size of <acronym>GIN</> pending lists (Fujii Masao)
</para>
<para>
Previously this was controlled by <varname>work_mem</>. This can
also be set as an index storage parameter.
Previously this was controlled by <link
linkend="guc-work-mem"><varname>work_mem</></>. This can also
be set as an index storage parameter.
</para>
</listitem>
<listitem>
<para>
Issue a warning during the creation of hash indexes because they
are not crash-safe (Bruce Momjian)
Issue a warning during the creation of <link
linkend="SQL-CREATEINDEX">hash</> indexes because they are not
crash-safe (Bruce Momjian)
</para>
</listitem>
......@@ -220,8 +228,8 @@
<listitem>
<para>
Improve concurrency of shared buffer replacement (Robert Haas,
Amit Kapila)
Improve concurrency of <link linkend="guc-shared-buffers">shared
buffer</> replacement (Robert Haas, Amit Kapila)
</para>
</listitem>
......@@ -258,25 +266,32 @@
Add per-table autovacuum logging control via
<varname>log_min_autovacuum_duration</> (Michael Paquier)
</para>
<para>
NOT DOCUMENTED?
</para>
</listitem>
<listitem>
<para>
Add <acronym>GUC</> variable <varname>cluster_name</> (Thomas
Add <acronym>GUC</> variable <link
linkend="guc-cluster-name"><varname>cluster_name</></> (Thomas
Munro)
</para>
<para>
This string, set in <filename>postgresql.conf</>, allows clients
to query the cluster name. This name also appears in the process
title, allowing for easier grouping of processes belonging to
the same cluster.
This string, set in <link
linkend="config-setting-configuration-file"><filename>postgresql.conf</></>,
allows clients to query the cluster name. This name also appears
in the process title, allowing for easier grouping of processes
belonging to the same cluster.
</para>
</listitem>
<listitem>
<para>
Prevent non-superusers from changing <varname>log_disconnections</>
Prevent non-superusers from changing <link
linkend="guc-log-disconnections"><varname>log_disconnections</></>
on connection startup (Fujii Masao)
</para>
</listitem>
......@@ -292,8 +307,9 @@
<listitem>
<para>
Check <quote>Subject Alternative Names</> in <acronym>SSL</>
server certificates, if present (Alexey Klyukin)
Check <link linkend="libpq-ssl"><quote>Subject Alternative
Names</></> in <acronym>SSL</> server certificates, if present
(Alexey Klyukin)
</para>
<para>
......@@ -304,21 +320,23 @@
<listitem>
<para>
Add system view <structname>pg_stat_ssl</> to report
Add system view <link
linkend="pg-stat-ssl-view"><structname>pg_stat_ssl</></> to report
<acronym>SSL</> connection information (Magnus Hagander)
</para>
</listitem>
<listitem>
<para>
Add <application>libpq</> function <function>PQsslAttribute()</>
Add <application>libpq</> function <link
linkend="libpq-pqsslAttribute"><function>PQsslAttribute()</></>
that returns <acronym>SSL</> information (Heikki Linnakangas)
</para>
<para>
While <function>PQgetssl()</> can still be used
to then call <productname>OpenSSL</> functions,
<function>PQsslAttribute()</> returns <acronym>SSL</>
While <link linkend="libpq-pqgetssl"><function>PQgetssl()</></>
can still be used to then call <productname>OpenSSL</>
functions, <function>PQsslAttribute()</> returns <acronym>SSL</>
information in an <acronym>SSL</>-implementation-independent way.
(Future versions of libpq might support other <acronym>SSL</>
implementations.)
......@@ -347,9 +365,10 @@
<listitem>
<para>
Replace <varname>checkpoint_segments</> with
<varname>min_wal_size</> and <varname>max_wal_size</> (Heikki
Linnakangas)
Replace <varname>checkpoint_segments</> with <link
linkend="guc-min-wal-size"><varname>min_wal_size</></> and
<link linkend="guc-max-wal-size"><varname>max_wal_size</></>
(Heikki Linnakangas)
</para>
<para>
......@@ -360,65 +379,74 @@
<listitem>
<para>
Add <acronym>GUC</> <varname>wal_compression</> to enable
compression of full page images stored in <acronym>WAL</>
Add <acronym>GUC</> <link
linkend="guc-wal-compression"><varname>wal_compression</></> to
enable compression of full page images stored in <acronym>WAL</>
(Rahila Syed, Michael Paquier)
</para>
</listitem>
<listitem>
<para>
Allow the recording of transaction commit timestamps when
<acronym>GUC</> <varname>track_commit_timestamp</> is enabled
(&Aacute;lvaro Herrera, Petr Jelinek)
Allow the recording of transaction
commit timestamps when <acronym>GUC</> <link
linkend="guc-track-commit-timestamp"><varname>track_commit_timestamp</></>
is enabled (&Aacute;lvaro Herrera, Petr Jelinek)
</para>
<para>
Timestamp information can be accessed using
functions <function>pg_xact_commit_timestamp()</> and
<function>pg_last_committed_xact()</>.
Timestamp information can be accessed using functions <link
linkend="functions-commit-timestamp"><function>pg_xact_commit_timestamp()</></>
and <function>pg_last_committed_xact()</>.
</para>
</listitem>
<listitem>
<para>
Allow <varname>local_preload_libraries</> to be set by
<command>ALTER ROLE SET</> (Peter Eisentraut, Kyotaro Horiguchi)
Allow <link
linkend="guc-local-preload-libraries"><varname>local_preload_libraries</></>
to be set by <command>ALTER ROLE SET</> (Peter Eisentraut,
Kyotaro Horiguchi)
</para>
</listitem>
<listitem>
<para>
Allow running autovacuum workers to respond to configuration
parameter changes (Michael Paquier)
Allow running <link linkend="autovacuum">autovacuum workers</>
to respond to configuration parameter changes (Michael Paquier)
</para>
</listitem>
<listitem>
<para>
Make <acronym>GUC</> <varname>debug_assertions</> read-only
(Andres Freund)
Make <acronym>GUC</> <link
linkend="guc-debug-assertions"><varname>debug_assertions</></>
read-only (Andres Freund)
</para>
<para>
This means that assertions can no longer be turned off once enabled
at compile-time, allowing for more efficient code optimization.
This also removed the postgres <option>-A</> option.
This means that assertions can no longer be turned
off once enabled at compile-time, allowing for more
efficient code optimization. This also removed the <link
linkend="app-postgres-options">postgres</> <option>-A</> option.
</para>
</listitem>
<listitem>
<para>
Allow setting <varname>effective_io_concurrency</> on systems
where it has no effect (Peter Eisentraut)
Allow setting <link
linkend="guc-effective-io-concurrency"><varname>effective_io_concurrency</></>
on systems where it has no effect (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Add environment variables <envar>PG_OOM_ADJUST_FILE</> and
<envar>PG_OOM_ADJUST_VALUE</> to control Linux <acronym>OOM</>
killer (Gurjeet Singh)
Add environment variables <link
linkend="linux-memory-overcommit"><envar>PG_OOM_ADJUST_FILE</></>
and <link
linkend="linux-memory-overcommit"><envar>PG_OOM_ADJUST_VALUE</></>
to control Linux <acronym>OOM</> killer (Gurjeet Singh)
</para>
<para>
......@@ -429,24 +457,26 @@
<listitem>
<para>
Add function and view <function>pg_file_settings</> to show
the source of <acronym>GUC</> values set in configuration files
(Sawada Masahiko)
Add function and view <link
linkend="view-pg-file-settings"><function>pg_file_settings</></>
to show the source of <acronym>GUC</> values set in configuration
files (Sawada Masahiko)
</para>
</listitem>
<listitem>
<para>
Add <structname>pending_restart</> to the system view
<structname>pg_settings</> to indicate a change is pending a
restart (Peter Eisentraut)
Add <structname>pending_restart</> to the system view <link
linkend="view-pg-settings"><structname>pg_settings</></> to
indicate a change is pending a restart (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Allow <command>ALTER SYSTEM</> values to be reset with
<command>ALTER SYSTEM RESET</> (Vik Fearing)
Allow <link linkend="SQL-ALTERSYSTEM"><command>ALTER SYSTEM</></>
values to be reset with <command>ALTER SYSTEM RESET</> (Vik
Fearing)
</para>
<para>
......@@ -467,9 +497,10 @@
<listitem>
<para>
Add <filename>recovery.conf</> parameter
<varname>recovery_target_action</> to control post-recovery
activity (Petr Jelinek)
Add <link linkend="recovery-config"><filename>recovery.conf</></>
parameter <link
linkend="recovery-target-action"><varname>recovery_target_action</></>
to control post-recovery activity (Petr Jelinek)
</para>
<para>
......@@ -481,16 +512,18 @@
<listitem>
<para>
Add <varname>archive_mode</> <literal>always</> to allow standbys
to always archive received <acronym>WAL</> files (Fujii Masao)
Add <link linkend="guc-archive-mode"><varname>archive_mode</></>
<literal>always</> to allow standbys to always archive received
<acronym>WAL</> files (Fujii Masao)
</para>
</listitem>
<listitem>
<para>
Add <acronym>GUC</> <varname>wal_retrieve_retry_interval</> to
control <acronym>WAL</> read retry after failure (Alexey Vasiliev,
Michael Paquier)
Add <acronym>GUC</> <link
linkend="guc-wal-retrieve-retry-interval"><varname>wal_retrieve_retry_interval</></>
to control <acronym>WAL</> read retry after failure (Alexey
Vasiliev, Michael Paquier)
</para>
<para>
......@@ -507,8 +540,9 @@
<listitem>
<para>
Add <acronym>GUC</> <varname>log_replication_commands</> to log
replication commands (Fujii Masao)
Add <acronym>GUC</> <link
linkend="guc-log-replication-commands"><varname>log_replication_commands</></>
to log replication commands (Fujii Masao)
</para>
<para>
......@@ -520,8 +554,8 @@
<listitem>
<para>
Allow the labeling of the origin of logical replication changes
(Andres Freund)
Allow the <link linkend="pg-replication-origin-create">labeling</>
of the origin of logical replication changes (Andres Freund)
</para>
<para>
......@@ -531,8 +565,9 @@
<listitem>
<para>
Report the backends holding replication slots in
<structname>pg_replication_slots</> (Craig Ringer)
Report the backends holding replication slots in <link
linkend="catalog-pg-replication-slots"><structname>pg_replication_slots</></>
(Craig Ringer)
</para>
<para>
......@@ -542,8 +577,9 @@
<listitem>
<para>
Allow <filename>recovery.conf</>'s <varname>primary_conninfo</>
to use connection <acronym>URI</>s, e.g. <literal>postgres://</>
Allow <filename>recovery.conf</>'s <link
linkend="primary-conninfo"><varname>primary_conninfo</></> to
use connection <acronym>URI</>s, e.g. <literal>postgres://</>
(Alex Shulgin)
</para>
</listitem>
......@@ -559,9 +595,10 @@
<listitem>
<para>
Allow <command>INSERTS</> that would generate constraint conflicts
to be turned into <command>UPDATE</>s or ignored (Peter Geoghegan,
Heikki Linnakangas, Andres Freund)
Allow <link linkend="sql-on-conflict"><command>INSERTS</></>
that would generate constraint conflicts to be turned into
<command>UPDATE</>s or ignored (Peter Geoghegan, Heikki
Linnakangas, Andres Freund)
</para>
<para>
......@@ -573,15 +610,18 @@
<listitem>
<para>
Add <literal>GROUP BY</> analysis functions <literal>GROUPING
SETS</>, <literal>CUBE</> and <literal>ROLLUP</> (Andrew Gierth,
Atri Sharma)
Add <literal>GROUP BY</> analysis functions <link
linkend="queries-grouping-sets"><literal>GROUPING SETS</></>,
<link linkend="queries-grouping-sets"><literal>CUBE</></> and
<link linkend="queries-grouping-sets"><literal>ROLLUP</></>
(Andrew Gierth, Atri Sharma)
</para>
</listitem>
<listitem>
<para>
Allow multi-column <command>UPDATE</>s with a single subselect
Allow multi-column <link
linkend="SQL-UPDATE"><command>UPDATE</></>s with a single subselect
(Tom Lane)
</para>
......@@ -593,8 +633,8 @@
<listitem>
<para>
Add new <command>SELECT</> option <literal>SKIP LOCKED</> to skip
locked rows (Thomas Munro)
Add new <link linkend="SQL-SELECT"><command>SELECT</></> option
<literal>SKIP LOCKED</> to skip locked rows (Thomas Munro)
</para>
<para>
......@@ -605,8 +645,9 @@
<listitem>
<para>
Add <command>SELECT</> option <literal>TABLESAMPLE</> to return
a subset of a table (Petr Jelinek)
Add <link linkend="SQL-SELECT"><command>SELECT</></> option
<literal>TABLESAMPLE</> to return a subset of a table (Petr
Jelinek)
</para>
</listitem>
......@@ -628,8 +669,9 @@
<listitem>
<para>
Add more details about sort ordering in <command>EXPLAIN</> output
(Marius Timmer, Lukas Kreft, Arne Scheffer)
Add more details about sort ordering in <link
linkend="SQL-EXPLAIN"><command>EXPLAIN</></> output (Marius Timmer,
Lukas Kreft, Arne Scheffer)
</para>
<para>
......@@ -640,15 +682,15 @@
<listitem>
<para>
Have <command>VACUUM</> log the number of pages skipped due to pins
(Jim Nasby)
Have <link linkend="SQL-VACUUM"><command>VACUUM</></> log the
number of pages skipped due to pins (Jim Nasby)
</para>
</listitem>
<listitem>
<para>
Have <command>TRUNCATE</> properly update the <literal>pg_stat</>*
tuple counters (Alexander Shulgin)
Have <link linkend="SQL-TRUNCATE"><command>TRUNCATE</></> properly
update the <literal>pg_stat</>* tuple counters (Alexander Shulgin)
</para>
</listitem>
......@@ -705,32 +747,38 @@
<para>
This controls viewing and adding/modifying rows via new commands
<command>CREATE</>/<command>ALTER</>/<command>DROP POLICY</>
and <command>ALTER TABLE ... ENABLE/DISABLE ROW SECURITY</>.
<link linkend="SQL-CREATEPOLICY"><command>CREATE</></>/<link
linkend="SQL-ALTERPOLICY"><command>ALTER</></>/<link
linkend="SQL-DROPPOLICY"><command>DROP POLICY</></> and <link
linkend="SQL-ALTERTABLE"><command>ALTER TABLE ... ENABLE/DISABLE
ROW SECURITY</></>.
</para>
</listitem>
<listitem>
<para>
Allow control of table <acronym>WAL</> logging after table
creation with <command>ALTER TABLE .. SET LOGGED / UNLOGGED</>
(Fabr&iacute;zio de Royes Mello)
Allow control of table <acronym>WAL</> logging after table creation
with <link linkend="SQL-ALTERTABLE"><command>ALTER TABLE .. SET
LOGGED / UNLOGGED</></> (Fabr&iacute;zio de Royes Mello)
</para>
</listitem>
<listitem>
<para>
Add <literal>IF NOT EXISTS</> clause to <command>CREATE TABLE
AS</>, <command>CREATE INDEX</>, <command>CREATE SEQUENCE</>,
and <command>CREATE MATERIALIZED VIEW</> (Fabr&iacute;zio de
Royes Mello)
Add <literal>IF NOT EXISTS</> clause to <link
linkend="SQL-CREATETABLEAS"><command>CREATE TABLE AS</></>,
<link linkend="SQL-CREATEINDEX"><command>CREATE INDEX</></>,
<link linkend="SQL-CREATESEQUENCE"><command>CREATE SEQUENCE</></>,
and <link linkend="SQL-CREATEMATERIALIZEDVIEW"><command>CREATE
MATERIALIZED VIEW</></> (Fabr&iacute;zio de Royes Mello)
</para>
</listitem>
<listitem>
<para>
Add support for <literal>IF EXISTS</> to <command>ALTER TABLE
... RENAME CONSTRAINT</> (Bruce Momjian)
Add support for <literal>IF EXISTS</> to <link
linkend="SQL-ALTERTABLE"><command>ALTER TABLE ... RENAME
CONSTRAINT</></> (Bruce Momjian)
</para>
</listitem>
......@@ -741,15 +789,19 @@
</para>
<para>
Commands include <command>ALTER USER</>, <command>ALTER
GROUP</>, <command>ALTER ROLE</>, <command>GRANT</>, and various
<command>ALTER OBJECT / OWNER TO</> commands.
Commands include <link linkend="SQL-ALTERUSER"><command>ALTER
USER</></>,
<link linkend="SQL-ALTERGROUP"><command>ALTER
GROUP</></>, <link linkend="SQL-ALTERROLE"><command>ALTER
ROLE</></>, <link linkend="SQL-GRANT"><command>GRANT</></>,
and various <command>ALTER OBJECT / OWNER TO</> commands.
</para>
</listitem>
<listitem>
<para>
Allow comments on domain constraints (&Aacute;lvaro Herrera)
Allow comments on <link linkend="SQL-CREATEDOMAIN">domain
constraints</> (&Aacute;lvaro Herrera)
</para>
</listitem>
......@@ -762,8 +814,9 @@
<listitem>
<para>
Allow <command>LOCK TABLE .. ROW EXCLUSIVE MODE</> for those with
<command>INSERT</> privileges (Stephen Frost)
Allow <link linkend="SQL-LOCK"><command>LOCK TABLE .. ROW EXCLUSIVE
MODE</></> for those with <command>INSERT</> privileges (Stephen
Frost)
</para>
<para>
......@@ -785,21 +838,27 @@
<listitem>
<para>
Allow <command>CREATE</>/<command>ALTER DATABASE</> to manipulate
<structname>datistemplate</> and <structname>datallowconn</>
(Vik Fearing)
Allow <link
linkend="SQL-CREATEDATABASE"><command>CREATE</></>/<link
linkend="SQL-ALTERDATABASE"><command>ALTER DATABASE</></>
to manipulate <structname>datistemplate</> and
<structname>datallowconn</> (Vik Fearing)
</para>
<para>
This allows these database settings to be changed more easily
than modifying the <structname>pg_database</> system table.
This allows these database settings to be
changed more easily than modifying the <link
linkend="catalog-pg-database"><structname>pg_database</></>
system table.
</para>
</listitem>
<listitem>
<para>
Have <command>CREATE TABLE AS</> and <command>REFRESH</> return
an <type>OID</> (&Aacute;lvaro Herrera)
Have <link linkend="SQL-CREATETABLEAS"><command>CREATE
TABLE AS</></> and <link
linkend="SQL-REFRESHMATERIALIZEDVIEW"><command>REFRESH</></>
return an <type>OID</> (&Aacute;lvaro Herrera)
</para>
<para>
......@@ -816,15 +875,16 @@
<listitem>
<para>
Add support for <command>IMPORT FOREIGN SCHEMA</> (Ronan Dunklau,
Michael Paquier, Tom Lane)
Add support for <link
linkend="SQL-IMPORTFOREIGNSCHEMA"><command>IMPORT FOREIGN
SCHEMA</></> (Ronan Dunklau, Michael Paquier, Tom Lane)
</para>
<para>
This allows the creation of local foreign tables definitions
that match the remote table structure. Currently, only the
<application>postgres_fdw</> foreign data wrapper supports this
feature.
<link linkend="postgres-fdw"><application>postgres_fdw</></>
foreign data wrapper supports this feature.
</para>
</listitem>
......@@ -871,32 +931,36 @@
<listitem>
<para>
Add <function>pg_event_trigger_ddl_commands</> set-returning
function, which returns <acronym>DDL</> activity associated with
event triggers (&Aacute;lvaro Herrera)
Add <link
linkend="pg-event-trigger-ddl-command-end-functions"><function>pg_event_trigger_ddl_commands</></>
set-returning function, which returns <acronym>DDL</> activity
associated with event triggers (&Aacute;lvaro Herrera)
</para>
</listitem>
<listitem>
<para>
Allow event triggers on table rewrites caused by <command>ALTER
TABLE</> (Dimitri Fontaine)
Allow event triggers on table rewrites caused by <link
linkend="SQL-ALTERTABLE"><command>ALTER TABLE</></> (Dimitri
Fontaine)
</para>
</listitem>
<listitem>
<para>
Add event trigger support for database-level
<command>COMMENT</>, <command>SECURITY LABEL</>, and
<command>GRANT</>/<command>REVOKE</> (&Aacute;lvaro Herrera)
Add event trigger support for database-level <link
linkend="SQL-COMMENT"><command>COMMENT</></>, <link
linkend="SQL-SECURITY-LABEL"><command>SECURITY LABEL</></>,
and <link linkend="SQL-GRANT"><command>GRANT</></>/<link
linkend="SQL-REVOKE"><command>REVOKE</></> (&Aacute;lvaro Herrera)
</para>
</listitem>
<listitem>
<para>
Add columns to the output of
<function>pg_event_trigger_dropped_objects</> (&Aacute;lvaro
Herrera)
Add columns to the output of <link
linkend="pg-event-trigger-sql-drop-functions"><function>pg_event_trigger_dropped_objects</></>
(&Aacute;lvaro Herrera)
</para>
<para>
......@@ -917,8 +981,8 @@
<listitem>
<para>
Allow the <type>XML</> data type to accept empty or all-whitespace
values (Peter Eisentraut)
Allow the <link linkend="datatype-xml"><type>XML</></> data type
to accept empty or all-whitespace values (Peter Eisentraut)
</para>
<para>
......@@ -929,8 +993,10 @@
<listitem>
<para>
Fix <type>XML</> xpath handling to return namespace declarations
even if the namespace is in a parent element (Ali Akbar)
Fix <type>XML</> <link
linkend="functions-xml-processing"><function>xpath()</></> handling
to return namespace declarations even if the namespace is in a
parent element (Ali Akbar)
</para>
<para>
......@@ -941,15 +1007,16 @@
<listitem>
<para>
Allow <type>macaddr</> input using the format
<literal>xxxx-xxxx-xxxx</> (Herwin Weststrate)
Allow <link linkend="datatype-macaddr"><type>MACADDR</></> input
using the format <literal>xxxx-xxxx-xxxx</> (Herwin Weststrate)
</para>
</listitem>
<listitem>
<para>
Tighten specification of <type>INTERVAL</> precision specifications
(Bruce Momjian)
Tighten specification of <link
linkend="datatype-interval-input"><type>INTERVAL</></> precision
specifications (Bruce Momjian)
</para>
<para>
......@@ -960,9 +1027,10 @@
<listitem>
<para>
Add selectivity estimators for <type>INET</>/<type>CIDR</> operators
and improve estimators for text search functions (Emre Hasegeli,
Tom Lane)
Add selectivity estimators for <link
linkend="datatype-inet"><type>INET</></>/<link
linkend="datatype-cidr"><type>CIDR</></> operators and improve
estimators for text search functions (Emre Hasegeli, Tom Lane)
</para>
</listitem>
......@@ -975,8 +1043,11 @@
<listitem>
<para>
Add <type>JSONB</> functions <function>jsonb_set()</> and
<function>jsonb_pretty</> (Dmitry Dolgov, Andrew Dunstan)
Add <type>JSONB</> functions <link
linkend="functions-json-processing-table"><function>jsonb_set()</></>
and <link
linkend="functions-json-processing-table"><function>jsonb_pretty</></>
(Dmitry Dolgov, Andrew Dunstan)
</para>
</listitem>
......@@ -987,39 +1058,53 @@
</para>
<para>
The functions are <function>to_jsonb()</>,
<function>jsonb_object()</>, <function>jsonb_build_object()</>,
<function>jsonb_build_array()</>, <function>jsonb_agg()</>,
and <function>jsonb_object_agg()</>.
The functions are <link
linkend="functions-json-creation-table"><function>to_jsonb()</></>,
<link
linkend="functions-json-creation-table"><function>jsonb_object()</></>,
<link
linkend="functions-json-creation-table"><function>jsonb_build_object()</></>,
<link
linkend="functions-json-creation-table"><function>jsonb_build_array()</></>,
<link
linkend="functions-aggregate-table"><function>jsonb_agg()</></>,
and <link
linkend="functions-aggregate-table"><function>jsonb_object_agg()</></>.
</para>
</listitem>
<listitem>
<para>
Reduce casting requirements to/from <type>JSON</> and
<type>JSONB</> (Tom Lane)
Reduce casting requirements to/from <link
linkend="datatype-json"><type>JSON</></> and <link
linkend="datatype-json"><type>JSONB</></> (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Allow <type>TEXT</>, <type>TEXT</> array, and <type>INTEGER</>
values to be subtracted from <type>JSONB</> documents (Dmitry
Dolgov, Andrew Dunstan)
values to be <link linkend="functions-jsonb-op-table">subtracted</>
from <type>JSONB</> documents (Dmitry Dolgov, Andrew Dunstan)
</para>
</listitem>
<listitem>
<para>
Add <type>JSONB</> operator || (Dmitry Dolgov, Andrew Dunstan)
Add <type>JSONB</> <link
linkend="functions-jsonb-op-table">operator</> <literal>||</>
(Dmitry Dolgov, Andrew Dunstan)
</para>
</listitem>
<listitem>
<para>
Add <function>json_strip_nulls()</> and
<function>jsonb_strip_nulls()</> functions to remove <type>JSON</>
null values from documents (Andrew Dunstan)
Add <link
linkend="functions-json-processing-table"><function>json_strip_nulls()</></>
and <link
linkend="functions-json-processing-table"><function>jsonb_strip_nulls()</></>
functions to remove <type>JSON</> null values from documents
(Andrew Dunstan)
</para>
</listitem>
......@@ -1036,37 +1121,43 @@
<listitem>
<para>
Add <function>generate_series()</> for <type>NUMERIC</> values
(Plato Malugin)
Add <link linkend="functions-srf"><function>generate_series()</></>
for <type>NUMERIC</> values (Plato Malugin)
</para>
</listitem>
<listitem>
<para>
Allow <function>array_agg()</> and <function>ARRAY()</> to take
arrays as inputs (Ali Akbar, Tom Lane)
Allow <link
linkend="functions-aggregate-table"><function>array_agg()</></> and
<function>ARRAY()</> to take arrays as inputs (Ali Akbar, Tom Lane)
</para>
</listitem>
<listitem>
<para>
Add functions <function>array_position()</> and
<function>array_positions()</> to return subscripts of array values
(Pavel Stehule)
Add functions <link
linkend="array-functions-table"><function>array_position()</></>
and <link
linkend="array-functions-table"><function>array_positions()</></>
to return subscripts of array values (Pavel Stehule)
</para>
</listitem>
<listitem>
<para>
Add <type>point</>-to-<type>polygon</> distance operator
(&lt;-&gt;) (Alexander Korotkov)
Add <link
linkend="gist-builtin-opclasses-table"><type>point</>-to-<type>polygon</></>
distance operator (&lt;-&gt;) (Alexander Korotkov)
</para>
</listitem>
<listitem>
<para>
Allow multi-byte characters as escape in <literal>SIMILAR TO</>
and <literal>SUBSTRING</> (Jeff Davis)
Allow multi-byte characters as escape in <link
linkend="functions-similarto-regexp"><literal>SIMILAR TO</></>
and <link linkend="functions-string-sql"><literal>SUBSTRING</></>
(Jeff Davis)
</para>
<para>
......@@ -1076,21 +1167,23 @@
<listitem>
<para>
Add <function>width_bucket()</> which supports any sortable data
type and non-uniform bucket widths (Petr Jelinek)
Add <link
linkend="functions-math-func-table"><function>width_bucket()</></>
which supports any sortable data type and non-uniform bucket widths
(Petr Jelinek)
</para>
</listitem>
<listitem>
<para>
Allow =&gt; to specify named parameters in function calls
(Pavel Stehule)
Allow <link linkend="sql-syntax-calling-funcs"><literal>=&gt;</></>
to specify named parameters in function calls (Pavel Stehule)
</para>
<para>
User-defined =&gt; operators have been issuing warnings since
Postgres 9.0, and were removed in hstore in 9.2. Previously only
<literal>:=</> could be used.
User-defined <literal>=&gt;</> operators have been issuing
warnings since Postgres 9.0, and were removed in hstore in 9.2.
Previously only <literal>:=</> could be used.
</para>
</listitem>
......@@ -1110,24 +1203,31 @@
<listitem>
<para>
Add function <function>pg_get_object_address()</> to return
<type>OID</>s that uniquely identify an object (&Aacute;lvaro
Herrera)
Add function <link
linkend="functions-info-object-table"><function>pg_get_object_address()</></>
to return <type>OID</>s that uniquely identify an object
(&Aacute;lvaro Herrera)
</para>
</listitem>
<listitem>
<para>
Add function <function>pg_identify_object_as_address()</> to return
object information based on <type>OID</>s (&Aacute;lvaro Herrera)
Add function <link
linkend="functions-info-object-table"><function>pg_identify_object_as_address()</></>
to return object information based on <type>OID</>s (&Aacute;lvaro
Herrera)
</para>
</listitem>
<listitem>
<para>
Loosen security checks for viewing <structname>pg_stat_activity</>,
<function>pg_cancel_backend()</>, and
<function>pg_terminate_backend</> (Stephen Frost)
Loosen security checks for viewing <link
linkend="pg-stat-activity-view"><structname>pg_stat_activity</></>,
<link
linkend="functions-admin-signal-table"><function>pg_cancel_backend()</></>,
and <link
linkend="functions-admin-signal-table"><function>pg_terminate_backend</></>
(Stephen Frost)
</para>
<para>
......@@ -1138,8 +1238,9 @@
<listitem>
<para>
Add <function>pg_stat_get_snapshot_timestamp()</> to output the
timestamp of the statistics snapshot (Matt Kelly)
Add <link
linkend="monitoring-stats-funcs-table"><function>pg_stat_get_snapshot_timestamp()</></>
to output the timestamp of the statistics snapshot (Matt Kelly)
</para>
<para>
......@@ -1150,22 +1251,25 @@
<listitem>
<para>
Add <function>mxid_age()</> to compute multi-xid age (Bruce
Momjian)
Add <link
linkend="vacuum-for-multixact-wraparound"><function>mxid_age()</></>
to compute multi-xid age (Bruce Momjian)
</para>
</listitem>
<listitem>
<para>
Add data type <type>regrole</> that returns the <type>OID</>
of a role (Kyotaro Horiguchi)
Add data type <link
linkend="datatype-oid-table"><type>regrole</></> that returns
the <type>OID</> of a role (Kyotaro Horiguchi)
</para>
</listitem>
<listitem>
<para>
Add data type <type>regnamespace</> that returns the <type>OID</>
of a schema (Kyotaro Horiguchi)
Add data type <link
linkend="datatype-oid-table"><type>regnamespace</></> that returns
the <type>OID</> of a schema (Kyotaro Horiguchi)
</para>
</listitem>
......@@ -1180,8 +1284,10 @@
<listitem>
<para>
Add <function>MIN()</>/<function>MAX()</> aggregates for
<type>INET</>/<type>CIDR</> data types (Haribabu Kommi)
Add <function>MIN()</>/<function>MAX()</> aggregates
for <link linkend="datatype-inet"><type>INET</></>/<link
linkend="datatype-cidr"><type>CIDR</></> data types (Haribabu
Kommi)
</para>
</listitem>
......@@ -1205,8 +1311,9 @@
<listitem>
<para>
Improve support for composite types in <application>PL/Python</>
(Ed Behn, Ronan Dunklau)
Improve support for composite types in <link
linkend="plpython"><application>PL/Python</></> (Ed Behn, Ronan
Dunklau)
</para>
<para>
......@@ -1217,7 +1324,8 @@
<listitem>
<para>
Reduce lossiness of <application>PL/Python</> floating value
Reduce lossiness of <link
linkend="plpython"><application>PL/Python</></> floating value
conversions (Marko Kreen)
</para>
</listitem>
......@@ -1229,10 +1337,14 @@
</para>
<para>
This adds new commands <command>CREATE</>/<command>DROP
TRANSFORM</>. This also adds transformations between
<application>hstore</> and <application>ltree</> to/from
<application>PL/Perl</> and <application>PL/Python</>.
This adds new commands <link
linkend="SQL-CREATETRANSFORM"><command>CREATE</></>/<link
linkend="SQL-DROPTRANSFORM"><command>DROP TRANSFORM</></>.
This also adds transformations between <link
linkend="hstore"><application>hstore</></> and <link
linkend="ltree"><application>ltree</></> to/from <link
linkend="plperl"><application>PL/Perl</></> and <link
linkend="plpython"><application>PL/Python</></>.
</para>
</listitem>
......@@ -1245,21 +1357,22 @@
<listitem>
<para>
Improve <application>PL/pgSQL</> array performance (Tom Lane)
Improve <link linkend="plpgsql"><application>PL/pgSQL</></> array
performance (Tom Lane)
</para>
</listitem>
<listitem>
<para>
Add <command>ASSERT</> statement in <application>PL/pgSQL</>
(Pavel Stehule)
Add <link linkend="plpgsql-statements-assert"><command>ASSERT</></>
statement in <application>PL/pgSQL</> (Pavel Stehule)
</para>
</listitem>
<listitem>
<para>
Allow more <application>PL/pgSQL</> keywords to be used as
identifiers (Tom Lane)
Allow more <link linkend="plpgsql"><application>PL/pgSQL</></>
keywords to be used as identifiers (Tom Lane)
</para>
</listitem>
......@@ -1276,17 +1389,20 @@
<listitem>
<para>
Move <application>pg_archivecleanup</>,
<application>pg_test_fsync</>, <application>pg_test_timing</>,
and <application>pg_xlogdump</> from <filename>contrib</> to
<filename>src/bin</> (Peter Eisentraut)
Move <link
linkend="pgarchivecleanup"><application>pg_archivecleanup</></>,
<link linkend="pgtestfsync"><application>pg_test_fsync</></>,
<link linkend="pgtesttiming"><application>pg_test_timing</></>,
and <link linkend="pgxlogdump"><application>pg_xlogdump</></>
from <filename>contrib</> to <filename>src/bin</> (Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Allow <application>pg_receivexlog</> to manage physical replication
slots (Michael Paquier)
Allow <link
linkend="app-pgreceivexlog"><application>pg_receivexlog</></>
to manage physical replication slots (Michael Paquier)
</para>
<para>
......@@ -1297,9 +1413,10 @@
<listitem>
<para>
Allow the <application>pg_receivexlog</> to synchronously flush
<acronym>WAL</> to storage using <option>--synchronous</> (Furuya
Osamu, Fujii Masao)
Allow the <link
linkend="app-pgreceivexlog"><application>pg_receivexlog</></>
to synchronously flush <acronym>WAL</> to storage using
<option>--synchronous</> (Furuya Osamu, Fujii Masao)
</para>
<para>
......@@ -1309,24 +1426,26 @@
<listitem>
<para>
Allow <command>vacuumdb</> to vacuum in parallel using
<option>--jobs</> (Dilip Kumar)
Allow <link linkend="APP-VACUUMDB"><command>vacuumdb</></> to
vacuum in parallel using <option>--jobs</> (Dilip Kumar)
</para>
</listitem>
<listitem>
<para>
Add <option>--verbose</> option to <application>reindexdb</>
(Sawada Masahiko)
Add <option>--verbose</> option to <link
linkend="APP-REINDEXDB"><application>reindexdb</></> (Sawada
Masahiko)
</para>
</listitem>
<listitem>
<para>
Have <application>pg_basebackup</> use a tablespace mapping
file with the <application>tar</> format, to handle file paths
of 100+ characters in length and sybolic links on <systemitem
class="osname">MS Windows</> (Amit Kapila)
Have <link
linkend="app-pgbasebackup"><application>pg_basebackup</></> use
a tablespace mapping file with the <application>tar</> format,
to handle file paths of 100+ characters in length and sybolic
links on <systemitem class="osname">MS Windows</> (Amit Kapila)
</para>
<para>
......@@ -1375,7 +1494,8 @@
<listitem>
<para>
Add <application>psql</> <envar>PROMPT</> variable option
Add <application>psql</> <link
linkend="APP-PSQL-variables"><envar>PROMPT</></> variables option
(<literal>%l</>) to display the multi-line statement line number
(Sawada Masahiko)
</para>
......@@ -1383,7 +1503,8 @@
<listitem>
<para>
Add <application>psql</> setting <varname>pager_min_lines</>
Add <application>psql</> setting <link
linkend="APP-PSQL-meta-commands"><varname>pager_min_lines</></>
setting to control pager invocation (Andrew Dunstan)
</para>
</listitem>
......@@ -1613,7 +1734,8 @@
<listitem>
<para>
Simplify <acronym>WAL</> record format (Heikki Linnakangas)
Simplify <link linkend="wal"><acronym>WAL</></> record format
(Heikki Linnakangas)
</para>
<para>
......@@ -1698,9 +1820,11 @@
<listitem>
<para>
Change columns <structname>pg_seclabel</>.<structname>provider</>
and <structname>pg_shseclabel</>.<structname>provider</> to
<type>TEXT</> (Tom Lane)
Change columns <link
linkend="catalog-pg-seclabel"><structname>pg_seclabel</></>.<structname>provider</>
and <link
linkend="catalog-pg-seclabel"><structname>pg_shseclabel</></>.<structname>provider</>
to <type>TEXT</> (Tom Lane)
</para>
<para>
......@@ -1740,8 +1864,9 @@
<listitem>
<para>
Allow configure's <option>--with-extra-version</> to be honored
by the <productname>MSVC</> build (Michael Paquier)
Allow <link linkend="install-procedure">configure's
<option>--with-extra-version</></> to be honored by the
<productname>MSVC</> build (Michael Paquier)
</para>
</listitem>
......@@ -1789,22 +1914,24 @@
<listitem>
<para>
Add <application>pg_rewind</>, which allows re-synchronizing a
master server after failback (Heikki Linnakangas)
Add <link linkend="app-pgrewind"><application>pg_rewind</></>,
which allows re-synchronizing a master server after failback
(Heikki Linnakangas)
</para>
</listitem>
<listitem>
<para>
Add statistics for minimum, maximum, mean, and standard deviation
times to <application>pg_stat_statements</> (Mitsumasa Kondo,
Andrew Dunstan)
Add statistics for minimum, maximum,
mean, and standard deviation times to <link
linkend="pgstatstatements-columns"><application>pg_stat_statements</></>
(Mitsumasa Kondo, Andrew Dunstan)
</para>
</listitem>
<listitem>
<para>
Add <application>pgcrypto</> function
Add <link linkend="pgcrypto"><application>pgcrypto</></> function
<function>pgp_armor_headers()</> to extract <productname>PGP</>
armor headers (Marko Tiikkaja, Heikki Linnakangas)
</para>
......@@ -1812,8 +1939,8 @@
<listitem>
<para>
Allow empty replacement strings in <application>unaccent</>
(Mohammad Alhashash)
Allow empty replacement strings in <link
linkend="unaccent"><application>unaccent</></> (Mohammad Alhashash)
</para>
<para>
......@@ -1824,8 +1951,8 @@
<listitem>
<para>
Allow multi-character source strings in <application>unaccent</>
(Tom Lane)
Allow multi-character source strings in <link
linkend="unaccent"><application>unaccent</></> (Tom Lane)
</para>
<para>
......@@ -1837,39 +1964,42 @@
<listitem>
<para>
Add <filename>contrib</> modules <application>tsm_system_rows</>
and <application>tsm_system_time</> to allow additional table
sampling methods (Petr Jelinek)
Add <filename>contrib</> modules <link
linkend="tsm-system-rows"><application>tsm_system_rows</></> and
<link linkend="tsm-system-time"><application>tsm_system_time</></>
to allow additional table sampling methods (Petr Jelinek)
</para>
</listitem>
<listitem>
<para>
Add <application>pg_xlogdump</> option <option>--stats</> to
display summary statistics (Abhijit Menon-Sen)
Add <link linkend="pgxlogdump"><application>pg_xlogdump</></> option
<option>--stats</> to display summary statistics (Abhijit Menon-Sen)
</para>
</listitem>
<listitem>
<para>
Allow <acronym>GIN</> index inspection functions to
<application>pageinspect</> (Heikki Linnakangas, Peter Geoghegan,
Michael Paquier)
Allow <link linkend="GIN"><acronym>GIN</></>
index inspection functions to <link
linkend="pageinspect"><application>pageinspect</></> (Heikki
Linnakangas, Peter Geoghegan, Michael Paquier)
</para>
</listitem>
<listitem>
<para>
Add information about buffer pins to <application>pg_buffercache</>
display (Andres Freund)
Add information about buffer pins to <link
linkend="pgbuffercache"><application>pg_buffercache</></> display
(Andres Freund)
</para>
</listitem>
<listitem>
<para>
Allow <application>pgstattuple</> to report approximate answers
with less overhead using <function>pgstattuple_approx()</>
(Abhijit Menon-Sen)
Allow <link linkend="pgstattuple"><application>pgstattuple</></>
to report approximate answers with less overhead using
<function>pgstattuple_approx()</> (Abhijit Menon-Sen)
</para>
</listitem>
......
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