doc: update PG 14 release notes based on feedback so far
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Bruce Momjian
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1692d0c3a3
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ff51679220
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@ -189,16 +189,18 @@ This was already disabled by default in previous Postgres releases, and most mod
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<listitem>
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<!--
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Author: Peter Eisentraut <peter@eisentraut.org>
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2020-11-03 [2f70fdb06] Remove deprecated containment operators for built-in typ
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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2021-03-05 [112d411fb] Remove deprecated containment operators for contrib type
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-->
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<para>
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Remove containment operators @ and ~ from contrib modules cube, hstore, intarray, and seg (Justin Pryzby)
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Remove deprecated containment operators @ and ~ for built-in geometric data types and contrib modules cube, hstore, intarray, and seg (Justin Pryzby)
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</para>
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<para>
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The more consistent containment operators <@ and @> have been supported since PostgreSQL 8.2 (year 2006).
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The more consistent <@ and @> have been recommended for many years.
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</para>
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</listitem>
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@ -264,29 +266,27 @@ This previously was allowed but produced incorrect results.
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<listitem>
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<!--
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Author: Thomas Munro <tmunro@postgresql.org>
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2021-01-29 [514b411a2] Retire pg_standby.
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Author: Joe Conway <mail@joeconway.com>
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2021-03-31 [b12bd4869] Fix has_column_privilege function corner case
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-->
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<para>
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Remove contrib program pg_standby (Justin Pryzby)
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Return false for has_column_privilege() checks on non-existent or dropped columns (Joe Conway)
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</para>
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<para>
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Previously such columns returned an invalid column error.
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Thomas Munro <tmunro@postgresql.org>
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2020-11-03 [cd6f479e7] Add pg_depend.refobjversion.
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Author: Peter Eisentraut <peter@eisentraut.org>
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2020-11-03 [2f70fdb06] Remove deprecated containment operators for built-in typ
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2021-01-29 [514b411a2] Retire pg_standby.
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-->
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<para>
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Remove deprecated containment operators for built-in geometry data types (Justin Pryzby)
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</para>
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<para>
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The more consistent <@ and @> have been recommended for many years.
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Remove contrib program pg_standby (Justin Pryzby)
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</para>
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</listitem>
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@ -351,21 +351,6 @@ pg_dump and pg_upgrade will warn if post-fix operators are being dumped.
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Michael Paquier <michael@paquier.xyz>
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2020-09-16 [5423853fe] Avoid retrieval of CHECK constraints and DEFAULT exprs i
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-->
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<para>
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Avoid retrieval of CHECK constraints and DEFAULT exprs in data-only dump (Julien Rouhaud)
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</para>
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<para>
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IS THIS BACKWARD INCOMPATIBLE?
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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@ -415,11 +400,11 @@ Author: Peter Eisentraut <peter@eisentraut.org>
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-->
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<para>
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Remove password_encryption's support for boolean values, e.g. true (Peter Eisentraut)
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Limit the ways password_encryption can enable md5 hashing (Peter Eisentraut)
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</para>
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<para>
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Previous boolean values enabled md5. Now, only the md5 string does this.
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Previously on/true/yes/1 values enabled md5. Now, only the string md5 does this.
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</para>
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</listitem>
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@ -463,7 +448,7 @@ Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
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-->
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<para>
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Improve autovacuum's analyze of partitioned tables (Yuzuko Hosoya)
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Autovacuum now analyzes partitioned tables (Yuzuko Hosoya)
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</para>
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<para>
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@ -538,7 +523,7 @@ Add long-running queries to be canceled if the client disconnects (Sergey Cherka
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</para>
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<para>
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The server variable check_client_connection_interval allows supporting operating systems, e.g., Linux, to automatically cancel queries by disconnected clients.
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The server variable client_connection_check_interval allows supporting operating systems, e.g., Linux, to automatically cancel queries by disconnected clients.
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</para>
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</listitem>
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@ -555,6 +540,32 @@ Remove temporary files after backend crashes (Euler Taveira)
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<para>
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These files were previously retained for debugging purposes; deletion can be disabled with remove_temp_files_after_crash.
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Peter Geoghegan <pg@bowt.ie>
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2021-04-07 [3c3b8a4b2] Truncate line pointer array during VACUUM.
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-->
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<para>
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Deallocate space reserved by trailing unused heap line pointers (Matthias van de Meent, Peter Geoghegan)
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Noah Misch <noah@leadboat.com>
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2021-03-30 [0ff8bbdee] Accept slightly-filled pages for tuples larger than fill
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-->
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<para>
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Allow wide tuples to be always added to almost-empty heap pages (John Naylor, Floris van Nee)
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</para>
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<para>
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Previously tuples whose insertion would have exceeded the page's fill factor were instead added to new pages.
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</para>
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</listitem>
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</itemizedlist>
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@ -616,7 +627,7 @@ Remove expired btree index entries to prevent page splits (Peter Geoghegan)
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</para>
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<para>
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This is particularly helpful for reducing index bloat on tables that frequently update indexed columns.
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This is particularly helpful for reducing index bloat on tables whose indexed columns are frequently updated.
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</para>
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</listitem>
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@ -757,7 +768,7 @@ Author: David Rowley <drowley@postgresql.org>
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-->
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<para>
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Add executor method to cache results from the inner-side of joins (David Rowley)
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Add executor method to cache results from the inner-side of nested loop joins (David Rowley)
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</para>
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<para>
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@ -772,7 +783,7 @@ Author: Etsuro Fujita <efujita@postgresql.org>
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-->
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<para>
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Allow multiple foreign table scans to be run in parallel (Robert Haas, Kyotaro Horiguchi, Thomas Munro, Etsuro Fujita)
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Allow a query referencing multiple foreign tables to perform foreign table scans in parallel (Robert Haas, Kyotaro Horiguchi, Thomas Munro, Etsuro Fujita)
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</para>
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<para>
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@ -817,7 +828,7 @@ Author: David Rowley <drowley@postgresql.org>
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-->
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<para>
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Improve the performance of parallel sequential scans (Thomas Munro, David Rowley)
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Improve the I/O performance of parallel sequential scans (Thomas Munro, David Rowley)
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</para>
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<para>
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@ -913,6 +924,10 @@ Author: Bruce Momjian <bruce@momjian.us>
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<para>
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If server variable compute_query_id is enabled, display the hash in pg_stat_activity, EXPLAIN VERBOSE, csvlog, and optionally in log_line_prefix (Julien Rouhaud)
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</para>
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<para>
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A query id computed by an extension will also be displayed.
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</para>
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</listitem>
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<listitem>
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@ -1066,7 +1081,6 @@ Add system view pg_stat_replication_slots to report replication slot activity (S
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<para>
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Function pg_stat_reset_replication_slot() resets slot statistics.
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THIS IS LOGICAL ONLY, BUT NO "LOGICAL" IN THE NAME? IS "ACTIVITY" THE RIGHT WORD?
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</para>
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</listitem>
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@ -1136,7 +1150,7 @@ Author: Andrew Dunstan <andrew@dunslane.net>
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-->
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<para>
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Allow more than the common name (CN) to be matched for client certificate authentication (Andrew Dunstan)
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Allow the certificate's distinguished name (DN) to be matched for client certificate authentication (Andrew Dunstan)
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</para>
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<para>
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@ -1415,7 +1429,9 @@ Allow file system sync at the start of crash recovery on Linux (Thomas Munro)
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</para>
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<para>
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This allows for faster recovery on systems with many database files and is enabled via recovery_init_sync_method,
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By default, Postgres opens and fsyncs every data file at the start of crash recovery.
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This new setting, recovery_init_sync_method=syncfs, instead syncs each filesystem used by the database cluster.
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This allows for faster recovery on systems with many database files.
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</para>
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</listitem>
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@ -2274,7 +2290,7 @@ Author: David Rowley <drowley@postgresql.org>
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-->
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<para>
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Allow efficient retrieval of heap rows via tid (Edmund Horner, David Rowley)
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Allow efficient heap scanning of a range of tids (Edmund Horner, David Rowley)
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</para>
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<para>
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@ -2466,7 +2482,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
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-->
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<para>
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Make built-in type coercion functions as leakproof where possible (Tom Lane)
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Mark built-in type coercion functions as leakproof where possible (Tom Lane)
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</para>
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<para>
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@ -2711,11 +2727,11 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
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-->
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<para>
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When using \e in psql, if the buffer is not modified by the editor, ignore the editor contents and leave the buffer unchanged (Laurenz Albe)
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When editing the previous query or a file with psql's \e, or using \ef and \ev, ignore the contents if the editor exits without saving (Laurenz Albe)
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</para>
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<para>
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The \ef and \ev commands also now have this behavior. DOCS SAY BUFFER IS CLEARED.
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Previously, such edits would still execute the editor contents.
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</para>
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</listitem>
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@ -2821,7 +2837,7 @@ Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
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-->
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<para>
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Improve tab completion (Vignesh C,, Michael Paquier, Justin Pryzby, Georgios Kokolatos, Julien Rouhaud, ADD NAMES)
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Improve tab completion (Vignesh C, Michael Paquier, Justin Pryzby, Georgios Kokolatos, Julien Rouhaud, ADD NAMES)
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</para>
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</listitem>
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@ -3127,8 +3143,8 @@ Move query hash computation from pg_stat_statements to the core server (Julien R
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</para>
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<para>
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Extension pg_stat_statements will need to enable hash computation via the compute_query_id server variable to function properly.
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pg_stat_statements can now use a custom hash computation method.
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Extension pg_stat_statements will now need to enable query hash computation to function properly.
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This can be done by enabling the server variable compute_query_id or by using an extension with a custom hash computation method.
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</para>
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</listitem>
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