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Release notes for 16.3, 15.7, 14.12, 13.15, 12.19.

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Tom Lane
2024-05-05 13:31:09 -04:00
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doc/src/sgml/release-13.sgml
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<!-- doc/src/sgml/release-13.sgml --> <!-- doc/src/sgml/release-13.sgml -->
<!-- See header comment in release.sgml about typical markup --> <!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-13-15">
<title>Release 13.15</title>
<formalpara>
<title>Release date:</title>
<para>2024-05-09</para>
</formalpara>
<para>
This release contains a variety of fixes from 13.14.
For information about new features in major release 13, see
<xref linkend="release-13"/>.
</para>
<sect2>
<title>Migration to Version 13.15</title>
<para>
A dump/restore is not required for those running 13.X.
</para>
<para>
However, if you are upgrading from a version earlier than 13.14,
see <xref linkend="release-13-14"/>.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [b4a71cf65] 2024-03-14 14:57:16 -0400
Branch: REL_16_STABLE [52898c63e] 2024-03-14 14:57:16 -0400
Branch: REL_15_STABLE [7c61d2342] 2024-03-14 14:57:16 -0400
Branch: REL_14_STABLE [3621ffd9f] 2024-03-14 14:57:16 -0400
Branch: REL_13_STABLE [0200398dd] 2024-03-14 14:57:16 -0400
Branch: REL_12_STABLE [82c87af7a] 2024-03-14 14:57:16 -0400
-->
<para>
Fix <command>INSERT</command> from
multiple <command>VALUES</command> rows into a target column that is
a domain over an array or composite type (Tom Lane)
</para>
<para>
Such cases would either fail with surprising complaints about
mismatched datatypes, or insert unexpected coercions that could lead
to odd results.
</para>
</listitem>
<listitem>
<!--
Author: David Rowley <drowley@postgresql.org>
Branch: master [4c2369ac5] 2024-02-20 12:49:37 +1300
Branch: REL_16_STABLE [fb95cc72b] 2024-02-20 12:50:09 +1300
Branch: REL_15_STABLE [1b3495e29] 2024-02-20 12:50:34 +1300
Branch: REL_14_STABLE [f9c8f7ccd] 2024-02-20 12:50:57 +1300
Branch: REL_13_STABLE [3850fcca6] 2024-02-20 12:51:17 +1300
Branch: REL_12_STABLE [3ffcd24c2] 2024-02-20 12:51:38 +1300
-->
<para>
Fix incorrect pruning of NULL partition when a table is partitioned
on a boolean column and the query has a boolean <literal>IS
NOT</literal> clause (David Rowley)
</para>
<para>
A NULL value satisfies a clause such
as <literal><replaceable>boolcol</replaceable> IS NOT
FALSE</literal>, so pruning away a partition containing NULLs
yielded incorrect answers.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [fad3b5b5a] 2024-03-26 15:28:31 -0400
Branch: REL_16_STABLE [7445f0928] 2024-03-26 15:28:16 -0400
Branch: REL_15_STABLE [b48eda4e5] 2024-03-26 15:28:16 -0400
Branch: REL_14_STABLE [66bbad581] 2024-03-26 15:28:16 -0400
Branch: REL_13_STABLE [97de2a159] 2024-03-26 15:28:16 -0400
Branch: REL_12_STABLE [a8b740868] 2024-03-26 15:28:16 -0400
-->
<para>
Make <command>ALTER FOREIGN TABLE SET SCHEMA</command> move any
owned sequences into the new schema (Tom Lane)
</para>
<para>
Moving a regular table to a new schema causes any sequences owned by
the table to be moved to that schema too (along with indexes and
constraints). This was overlooked for foreign tables, however.
</para>
</listitem>
<listitem>
<!--
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Branch: master [0960ae196] 2024-03-18 14:03:58 +0200
Branch: REL_16_STABLE [1f4eb7342] 2024-03-18 14:04:13 +0200
Branch: REL_15_STABLE [d3d95f583] 2024-03-18 14:04:17 +0200
Branch: REL_14_STABLE [262757b73] 2024-03-18 14:04:19 +0200
Branch: REL_13_STABLE [992189a3e] 2024-03-18 14:04:24 +0200
Branch: REL_12_STABLE [f3e4581ac] 2024-03-18 14:04:28 +0200
-->
<para>
Fix <command>EXPLAIN</command>'s counting of heap pages accessed by
a bitmap heap scan (Melanie Plageman)
</para>
<para>
Previously, heap pages that contain no visible tuples were not
counted; but it seems more consistent to count all pages returned by
the bitmap index scan.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [6faca9ae2] 2024-04-02 14:59:32 -0400
Branch: REL_16_STABLE [cbfbb14bd] 2024-04-02 14:59:04 -0400
Branch: REL_15_STABLE [4fb56a734] 2024-04-02 14:59:04 -0400
Branch: REL_14_STABLE [ca392df8d] 2024-04-02 14:59:04 -0400
Branch: REL_13_STABLE [4afc2c219] 2024-04-02 14:59:04 -0400
Branch: REL_12_STABLE [f5d9212e5] 2024-04-02 14:59:04 -0400
-->
<para>
Avoid deadlock during removal of orphaned temporary tables
(Mikhail Zhilin)
</para>
<para>
If the session that creates a temporary table crashes without
removing the table, autovacuum will eventually try to remove the
orphaned table. However, an incoming session that's been assigned
the same temporary namespace will do that too. If a temporary table
has a dependency (such as an owned sequence) then a deadlock could
result between these two cleanup attempts.
</para>
</listitem>
<listitem>
<!--
Author: Noah Misch <noah@leadboat.com>
Branch: master [f65ab862e] 2024-04-29 10:24:56 -0700
Branch: REL_16_STABLE [92685c389] 2024-04-29 10:24:59 -0700
Branch: REL_15_STABLE [7c5915c4b] 2024-04-29 10:24:59 -0700
Branch: REL_14_STABLE [2ca19aa81] 2024-04-29 10:25:00 -0700
Branch: REL_13_STABLE [70cadfba0] 2024-04-29 10:25:00 -0700
Branch: REL_12_STABLE [f222349c4] 2024-04-29 10:25:00 -0700
-->
<para>
Avoid race condition while examining per-relation frozen-XID values
(Noah Misch)
</para>
<para>
<command>VACUUM</command>'s computation of per-database frozen-XID
values from per-relation values could get confused by a concurrent
update of those values by another <command>VACUUM</command>.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: REL_15_STABLE [bf379b555] 2024-04-30 15:22:55 -0400
Branch: REL_14_STABLE [51189f98a] 2024-04-30 15:22:55 -0400
Branch: REL_13_STABLE [1ee22d1e8] 2024-04-30 15:22:55 -0400
Branch: REL_12_STABLE [56d30fb10] 2024-04-30 15:22:56 -0400
-->
<para>
Disallow converting a table to a view within an outer SQL command
that is using that table (Tom Lane)
</para>
<para>
This avoids possible crashes.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [03107b4ed] 2024-04-16 11:22:51 -0400
Branch: REL_16_STABLE [91800af13] 2024-04-16 11:03:43 -0400
Branch: REL_15_STABLE [5aacfa64e] 2024-04-16 11:22:39 -0400
Branch: REL_14_STABLE [ab2402268] 2024-04-16 11:22:39 -0400
Branch: REL_13_STABLE [d9e4ee74f] 2024-04-16 11:22:39 -0400
Branch: REL_12_STABLE [f502849d4] 2024-04-16 11:22:39 -0400
-->
<para>
Ensure that join conditions generated from equivalence classes are
applied at the correct plan level (Tom Lane)
</para>
<para>
In versions before <productname>PostgreSQL</productname> 16, it was
possible for generated conditions to be evaluated below outer joins
when they should be evaluated above (after) the outer join, leading
to incorrect query results. All versions have a similar hazard when
considering joins to <command>UNION ALL</command> trees that have
constant outputs for the join column in
some <command>SELECT </command> arms.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a767cdc84] 2024-03-27 13:39:03 -0400
Branch: REL_16_STABLE [a94f51a7b] 2024-03-27 13:39:03 -0400
Branch: REL_15_STABLE [03561a6c7] 2024-03-27 13:39:03 -0400
Branch: REL_14_STABLE [0d30e48c2] 2024-03-27 13:39:03 -0400
Branch: REL_13_STABLE [de3c5b187] 2024-03-27 13:39:03 -0400
Branch: REL_12_STABLE [25675c474] 2024-03-27 13:39:03 -0400
-->
<para>
Avoid unnecessary use of moving-aggregate mode with a non-moving
window frame (Vallimaharajan G)
</para>
<para>
When a plain aggregate is used as a window function, and the window
frame start is specified as <literal>UNBOUNDED PRECEDING</literal>,
the frame's head cannot move so we do not need to use the special
(and more expensive) moving-aggregate mode. This optimization was
intended all along, but due to a coding error it never triggered.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a6b2a51e1] 2024-02-23 15:21:53 -0500
Branch: REL_16_STABLE [ef0333e67] 2024-02-23 15:21:53 -0500
Branch: REL_15_STABLE [37bbe3d3a] 2024-02-23 15:21:53 -0500
Branch: REL_14_STABLE [cbeb45527] 2024-02-23 15:21:53 -0500
Branch: REL_13_STABLE [9061fd23c] 2024-02-23 15:21:53 -0500
Branch: REL_12_STABLE [cf807eba5] 2024-02-23 15:21:53 -0500
-->
<para>
Avoid use of already-freed data while planning partition-wise joins
under GEQO (Tom Lane)
</para>
<para>
This would typically end in a crash or unexpected error message.
</para>
</listitem>
<listitem>
<!--
Author: David Rowley <drowley@postgresql.org>
Branch: master [a37a3e2b3] 2024-03-05 16:17:02 +1300
Branch: REL_16_STABLE [ac7e6a01c] 2024-03-05 16:17:53 +1300
Branch: REL_15_STABLE [164fe7a6e] 2024-03-05 16:18:19 +1300
Branch: REL_14_STABLE [0c2dda109] 2024-03-05 16:18:42 +1300
Branch: REL_13_STABLE [421dfb41a] 2024-03-05 16:19:05 +1300
Branch: REL_12_STABLE [94246405d] 2024-03-05 16:19:26 +1300
-->
<para>
Fix incorrectly-reported statistics kind codes in <quote>requested
statistics kind <replaceable>X</replaceable> is not yet
built</quote> error messages (David Rowley)
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [e0df80828] 2024-04-15 12:56:56 -0400
Branch: REL_16_STABLE [cc1eb6a3c] 2024-04-15 12:56:56 -0400
Branch: REL_15_STABLE [09989ba84] 2024-04-15 12:56:56 -0400
Branch: REL_14_STABLE [78e81e14d] 2024-04-15 12:56:56 -0400
Branch: REL_13_STABLE [b6e21cef7] 2024-04-15 12:56:56 -0400
Branch: REL_12_STABLE [e0970862e] 2024-04-15 12:56:56 -0400
Branch: master [2ed8f9a01] 2024-03-06 14:41:13 -0500
Branch: REL_16_STABLE [1b3029be5] 2024-03-06 14:41:13 -0500
Branch: REL_15_STABLE [3b671dcf5] 2024-03-06 14:41:13 -0500
Branch: REL_14_STABLE [a595c3075] 2024-03-06 14:41:13 -0500
Branch: REL_13_STABLE [d769f9d97] 2024-03-06 14:41:13 -0500
Branch: REL_12_STABLE [466376c9f] 2024-03-06 14:41:13 -0500
-->
<para>
Be more careful with <type>RECORD</type>-returning functions
in <literal>FROM</literal> (Tom Lane)
</para>
<para>
The output columns of such a function call must be defined by
an <literal>AS</literal> clause that specifies the column names and
data types. If the actual function output value doesn't match that,
an error is supposed to be thrown at runtime. However, some code
paths would examine the actual value prematurely, and potentially
issue strange errors or suffer assertion failures if it doesn't
match expectations.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [6ee3261e9] 2024-03-12 18:16:25 -0400
Branch: REL_16_STABLE [40d1bdeb7] 2024-03-12 18:16:10 -0400
Branch: REL_15_STABLE [6f66fadad] 2024-03-12 18:16:10 -0400
Branch: REL_14_STABLE [649bbba11] 2024-03-12 18:16:10 -0400
Branch: REL_13_STABLE [28184f039] 2024-03-12 18:16:10 -0400
Branch: REL_12_STABLE [dc1503d5b] 2024-03-12 18:16:10 -0400
-->
<para>
Fix confusion about the return rowtype of SQL-language procedures
(Tom Lane)
</para>
<para>
A procedure implemented in SQL language that returns a single
composite-type column would cause an assertion failure or core dump.
</para>
</listitem>
<listitem>
<!--
Author: Alexander Korotkov <akorotkov@postgresql.org>
Branch: master [d57b7cc33] 2024-02-16 16:02:00 +0200
Branch: master [75bcba6cb] 2024-02-21 02:51:41 +0200
Branch: REL_16_STABLE [760767182] 2024-03-11 03:06:55 +0200
Branch: REL_15_STABLE [84788ee5b] 2024-03-11 03:06:45 +0200
Branch: REL_14_STABLE [84cc1a552] 2024-03-11 03:06:15 +0200
Branch: REL_13_STABLE [445c7e38f] 2024-03-11 03:06:10 +0200
Branch: REL_12_STABLE [98bfb7558] 2024-03-11 02:53:07 +0200
-->
<para>
Add protective stack depth checks to some recursive functions
(Egor Chindyaskin)
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [4019285c0] 2024-04-28 13:42:13 -0400
Branch: REL_16_STABLE [3752e3d21] 2024-04-28 13:42:13 -0400
Branch: REL_15_STABLE [e6e3ee5b7] 2024-04-28 13:42:13 -0400
Branch: REL_14_STABLE [1748379b6] 2024-04-28 13:42:13 -0400
Branch: REL_13_STABLE [440b6251b] 2024-04-28 13:42:13 -0400
Branch: REL_12_STABLE [cb0ccefa0] 2024-04-28 13:42:13 -0400
-->
<para>
Detect integer overflow when adding or subtracting
an <type>interval</type> to/from a <type>timestamp</type>
(Joseph Koshakow)
</para>
<para>
Some cases that should cause an out-of-range error produced an
incorrect result instead.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [ce571434a] 2024-02-09 12:29:41 -0500
Branch: REL_16_STABLE [4eb261165] 2024-02-09 12:29:41 -0500
Branch: REL_15_STABLE [26c89d105] 2024-02-09 12:29:41 -0500
Branch: REL_14_STABLE [d21690edb] 2024-02-09 12:29:41 -0500
Branch: REL_13_STABLE [ceb224b62] 2024-02-09 12:29:41 -0500
Branch: REL_12_STABLE [f38903d1e] 2024-02-09 12:29:41 -0500
-->
<para>
Avoid race condition in <function>pg_get_expr()</function>
(Tom Lane)
</para>
<para>
If the relation referenced by the argument is dropped concurrently,
the function's intention is to return NULL, but sometimes it failed
instead.
</para>
</listitem>
<listitem>
<!--
Author: Alexander Korotkov <akorotkov@postgresql.org>
Branch: master [165d921c9] 2024-02-08 12:45:26 +0200
Branch: REL_16_STABLE [e3e05adde] 2024-02-09 12:37:21 +0200
Branch: REL_15_STABLE [503299b7f] 2024-02-09 12:38:32 +0200
Branch: REL_14_STABLE [18388291a] 2024-02-09 12:39:42 +0200
Branch: REL_13_STABLE [4efaf4b09] 2024-02-09 12:39:54 +0200
Branch: REL_12_STABLE [d44060cfc] 2024-02-09 12:55:43 +0200
-->
<para>
Fix detection of old transaction IDs in XID status functions
(Karina Litskevich)
</para>
<para>
Transaction IDs more than 2<superscript>31</superscript>
transactions in the past could be misidentified as recent,
leading to misbehavior of <function>pg_xact_status()</function>
or <function>txid_status()</function>.
</para>
</listitem>
<listitem>
<!--
Author: Etsuro Fujita <efujita@postgresql.org>
Branch: REL_16_STABLE [e79ceafe9] 2024-04-11 19:05:00 +0900
Branch: REL_15_STABLE [b82dca2a5] 2024-04-11 19:05:02 +0900
Branch: REL_14_STABLE [b714bc40c] 2024-04-11 19:05:04 +0900
Branch: REL_13_STABLE [01b01a77f] 2024-04-11 19:05:05 +0900
Branch: REL_12_STABLE [0341d4b10] 2024-04-11 19:05:07 +0900
-->
<para>
Fix file descriptor leakage when an error is thrown while waiting
in <function>WaitEventSetWait</function> (Etsuro Fujita)
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [f5a465f1a] 2024-02-25 16:15:07 -0500
Branch: REL_16_STABLE [8c785d354] 2024-02-25 16:15:07 -0500
Branch: REL_15_STABLE [940489b46] 2024-02-25 16:15:07 -0500
Branch: REL_14_STABLE [09f09884c] 2024-02-25 16:15:07 -0500
Branch: REL_13_STABLE [43cca9de9] 2024-02-25 16:15:07 -0500
Branch: REL_12_STABLE [c0b4dad38] 2024-02-25 16:15:07 -0500
-->
<para>
Throw an error if an index is accessed while it is being reindexed
(Tom Lane)
</para>
<para>
Previously this was just an assertion check, but promote it into a
regular runtime error. This will provide a more on-point error
message when reindexing a user-defined index expression that
attempts to access its own table.
</para>
</listitem>
<listitem>
<!--
Author: David Rowley <drowley@postgresql.org>
Branch: master [a63224be4] 2024-05-01 13:21:21 +1200
Branch: REL_16_STABLE [68d358545] 2024-05-01 13:21:50 +1200
Branch: REL_15_STABLE [52f21f928] 2024-05-01 13:22:16 +1200
Branch: REL_14_STABLE [e6b0efc65] 2024-05-01 13:22:41 +1200
Branch: REL_13_STABLE [0a34bcd0c] 2024-05-01 13:23:05 +1200
Branch: REL_12_STABLE [e3f9dcabd] 2024-05-01 13:23:25 +1200
-->
<para>
Ensure that index-only scans on <type>name</type> columns return a
fully-padded value (David Rowley)
</para>
<para>
The value physically stored in the index is truncated, and
previously a pointer to that value was returned to callers. This
provoked complaints when testing under valgrind. In theory it could
result in crashes, though none have been reported.
</para>
</listitem>
<listitem>
<!--
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Branch: master [fbf9a7ac4] 2024-02-13 21:23:41 +0200
Branch: REL_16_STABLE [f2f09b825] 2024-02-13 21:24:45 +0200
Branch: REL_15_STABLE [d46c26961] 2024-02-13 21:25:27 +0200
Branch: REL_14_STABLE [9b8550fbd] 2024-02-13 21:25:39 +0200
Branch: REL_13_STABLE [e92375692] 2024-02-13 21:25:48 +0200
Branch: REL_12_STABLE [95cc48ca0] 2024-02-13 21:25:59 +0200
-->
<para>
Fix crash with DSM allocations larger than 4GB (Heikki Linnakangas)
</para>
</listitem>
<listitem>
<!--
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Branch: master [f8c5317d0] 2024-03-12 10:18:32 +0200
Branch: REL_16_STABLE [539e328b1] 2024-03-12 10:18:44 +0200
Branch: REL_15_STABLE [4fce5f970] 2024-03-12 10:18:50 +0200
Branch: REL_14_STABLE [bf1f593e8] 2024-03-12 10:18:51 +0200
Branch: REL_13_STABLE [ad5cd55e6] 2024-03-12 10:18:53 +0200
Branch: REL_12_STABLE [df27d76d3] 2024-03-12 10:18:54 +0200
-->
<para>
Disconnect if a new server session's client socket cannot be put
into non-blocking mode (Heikki Linnakangas)
</para>
<para>
It was once theoretically possible for us to operate with a socket
that's in blocking mode; but that hasn't worked fully in a long
time, so fail at connection start rather than misbehave later.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [453c46873] 2024-03-07 19:38:17 -0500
Branch: REL_16_STABLE [6a2c80e95] 2024-03-07 19:37:51 -0500
Branch: REL_15_STABLE [0fe82e45c] 2024-03-07 19:37:51 -0500
Branch: REL_14_STABLE [473babd42] 2024-03-07 19:37:51 -0500
Branch: REL_13_STABLE [9fbe07275] 2024-03-07 19:37:51 -0500
Branch: REL_12_STABLE [c42e5fdcf] 2024-03-07 19:37:51 -0500
-->
<para>
Fix inadequate error reporting
with <application>OpenSSL</application> 3.0.0 and later (Heikki
Linnakangas, Tom Lane)
</para>
<para>
System-reported errors passed through by OpenSSL were reported with
a numeric error code rather than anything readable.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a584d03ce] 2024-02-09 11:21:08 -0500
Branch: REL_16_STABLE [52afe5632] 2024-02-09 11:21:08 -0500
Branch: REL_15_STABLE [806f98951] 2024-02-09 11:21:08 -0500
Branch: REL_14_STABLE [8ead39e38] 2024-02-09 11:21:08 -0500
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Branch: REL_12_STABLE [9fb1396a9] 2024-02-09 11:21:08 -0500
Branch: master [0028b55bc] 2024-02-09 11:11:39 -0500
Branch: REL_16_STABLE [9440d23a0] 2024-02-09 11:11:39 -0500
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Branch: REL_13_STABLE [67f8cf0f0] 2024-02-09 11:11:39 -0500
Branch: REL_12_STABLE [95e960e81] 2024-02-09 11:11:39 -0500
-->
<para>
Avoid concurrent calls to <function>bindtextdomain()</function>
in <application>libpq</application>
and <application>ecpglib</application> (Tom Lane)
</para>
<para>
Although GNU <application>gettext</application>'s implementation
seems to be fine with concurrent calls, the version available on
Windows is not.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [6f0cef935] 2024-04-16 12:31:42 -0400
Branch: REL_16_STABLE [392e6e9e6] 2024-04-16 12:31:32 -0400
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Branch: REL_16_STABLE [0018f0af5] 2024-04-18 20:47:37 -0400
Branch: REL_15_STABLE [1e7b1b026] 2024-04-18 20:47:37 -0400
Branch: REL_14_STABLE [df66319f7] 2024-04-18 20:47:37 -0400
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Branch: REL_16_STABLE [dd3fddc85] 2024-04-19 01:07:16 -0400
Branch: REL_15_STABLE [f7e891748] 2024-04-19 01:07:32 -0400
Branch: REL_14_STABLE [de84608e2] 2024-04-19 01:07:41 -0400
Branch: REL_13_STABLE [c6bfeab42] 2024-04-19 01:07:47 -0400
Branch: REL_12_STABLE [cd26f08e4] 2024-04-19 01:07:52 -0400
-->
<para>
Fix crash in <application>ecpg</application>'s preprocessor if
the program tries to redefine a macro that was defined on the
preprocessor command line (Tom Lane)
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [096a761d6] 2024-04-04 15:31:53 -0400
Branch: REL_16_STABLE [118558e6d] 2024-04-04 15:31:53 -0400
Branch: REL_15_STABLE [f159f1814] 2024-04-04 15:31:53 -0400
Branch: REL_14_STABLE [d3167ed3f] 2024-04-04 15:31:53 -0400
Branch: REL_13_STABLE [5ba29e945] 2024-04-04 15:31:53 -0400
Branch: REL_12_STABLE [360d007e3] 2024-04-04 15:31:53 -0400
-->
<para>
In <application>ecpg</application>, avoid issuing
false <quote>unsupported feature will be passed to server</quote>
warnings (Tom Lane)
</para>
</listitem>
<listitem>
<!--
Author: Michael Paquier <michael@paquier.xyz>
Branch: master [e77a1c58e] 2024-02-19 11:38:18 +0900
Branch: REL_16_STABLE [88e03d055] 2024-02-19 11:38:44 +0900
Branch: REL_15_STABLE [b5cb6022b] 2024-02-19 11:38:47 +0900
Branch: REL_14_STABLE [a05bb9add] 2024-02-19 11:38:49 +0900
Branch: REL_13_STABLE [c031ce97b] 2024-02-19 11:38:52 +0900
Branch: REL_12_STABLE [771240f97] 2024-02-19 11:38:54 +0900
-->
<para>
Ensure that the string result
of <application>ecpg</application>'s <function>intoasc()</function>
function is correctly zero-terminated (Oleg Tselebrovskiy)
</para>
</listitem>
<listitem>
<!--
Author: Daniel Gustafsson <dgustafsson@postgresql.org>
Branch: master [7e65ad197] 2024-03-21 23:31:57 +0100
Branch: REL_16_STABLE [5863bacb8] 2024-03-21 23:31:57 +0100
Branch: REL_15_STABLE [12128be62] 2024-03-21 23:31:57 +0100
Branch: REL_14_STABLE [be01c8c34] 2024-03-21 23:31:57 +0100
Branch: REL_13_STABLE [affc46b76] 2024-03-21 23:31:57 +0100
Branch: REL_12_STABLE [d82cb467b] 2024-03-21 23:31:57 +0100
Branch: REL_14_STABLE [6ebd43725] 2024-03-22 01:01:30 +0100
Branch: REL_13_STABLE [d5c6affb8] 2024-03-22 01:01:30 +0100
Branch: REL_12_STABLE [82c2192d9] 2024-03-22 01:01:30 +0100
-->
<para>
Fix <application>pg_dumpall</application> so that role comments, if
present, will be dumped regardless of the setting
of <option>--no-role-passwords</option> (Daniel Gustafsson,
&Aacute;lvaro Herrera)
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [5392dd3d2] 2024-04-10 15:45:58 -0400
Branch: REL_16_STABLE [48f216dc6] 2024-04-10 15:45:58 -0400
Branch: REL_15_STABLE [d85db0a8e] 2024-04-10 15:45:59 -0400
Branch: REL_14_STABLE [dc5824a06] 2024-04-10 15:45:59 -0400
Branch: REL_13_STABLE [f5cee411a] 2024-04-10 15:45:59 -0400
Branch: REL_12_STABLE [5e9d8bed0] 2024-04-10 15:45:59 -0400
-->
<para>
Fix <application>PL/pgSQL</application>'s parsing of single-line
comments (<literal>--</literal>-style comments) following
expressions (Erik Wienhold, Tom Lane)
</para>
<para>
This mistake caused parse errors if such a comment followed
a <literal>WHEN</literal> expression in
a <application>PL/pgSQL</application> <command>CASE</command>
statement.
</para>
</listitem>
<listitem>
<!--
Author: Alexander Korotkov <akorotkov@postgresql.org>
Branch: master [b1fe8efdf] 2024-03-24 00:09:24 +0200
Branch: REL_16_STABLE [3676b846b] 2024-03-23 23:02:30 +0200
Branch: REL_15_STABLE [0d466bce9] 2024-03-23 23:02:43 +0200
Branch: REL_14_STABLE [4e8529da4] 2024-03-23 23:03:10 +0200
Branch: REL_13_STABLE [5cc1f2626] 2024-03-23 23:03:12 +0200
Branch: REL_12_STABLE [d603e6744] 2024-03-24 00:08:13 +0200
Branch: master [ab65dfb0f] 2024-03-24 00:09:24 +0200
Branch: REL_16_STABLE [a6ddb8ad0] 2024-03-23 23:02:30 +0200
Branch: REL_15_STABLE [54e6184db] 2024-03-23 23:02:43 +0200
Branch: REL_14_STABLE [5df5d9cd7] 2024-03-23 23:03:10 +0200
Branch: REL_13_STABLE [e2c241416] 2024-03-23 23:03:12 +0200
Branch: REL_12_STABLE [50f8611d0] 2024-03-23 23:03:14 +0200
-->
<para>
In <filename>contrib/amcheck</filename>, don't report false match
failures due to short- versus long-header values (Andrey Borodin,
Michael Zhilin)
</para>
<para>
A variable-length datum in a heap tuple or index tuple could have
either a short or a long header, depending on compression parameters
that applied when it was made. Treat these cases as equivalent
rather than complaining if there's a difference.
</para>
</listitem>
<listitem>
<!--
Author: David Rowley <drowley@postgresql.org>
Branch: master [c399248b3] 2024-03-11 12:27:11 +1300
Branch: REL_16_STABLE [6a9e2cb2b] 2024-03-11 12:27:46 +1300
Branch: REL_15_STABLE [ab64b275a] 2024-03-11 12:28:11 +1300
Branch: REL_14_STABLE [628c3f2e1] 2024-03-11 12:28:40 +1300
Branch: REL_13_STABLE [20b85b3da] 2024-03-11 12:29:03 +1300
Branch: REL_12_STABLE [9301e0f41] 2024-03-11 12:29:24 +1300
-->
<para>
In <filename>contrib/postgres_fdw</filename>, avoid emitting
requests to sort by a constant (David Rowley)
</para>
<para>
This could occur in cases involving <literal>UNION ALL</literal>
with constant-emitting subqueries. Sorting by a constant is useless
of course, but it also risks being misinterpreted by the remote
server, leading to <quote>ORDER BY
position <replaceable>N</replaceable> is not in select list</quote>
errors.
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a3021aafc] 2024-04-21 13:46:20 -0400
Branch: REL_16_STABLE [75929b6cf] 2024-04-21 13:46:20 -0400
Branch: REL_15_STABLE [6c85e3359] 2024-04-21 13:46:20 -0400
Branch: REL_14_STABLE [3ed6e1698] 2024-04-21 13:46:20 -0400
Branch: REL_13_STABLE [0e56b2b94] 2024-04-21 13:46:20 -0400
Branch: REL_12_STABLE [ce1c30ece] 2024-04-21 13:46:20 -0400
-->
<para>
Make <filename>contrib/postgres_fdw</filename> set the remote
session's time zone to <literal>GMT</literal>
not <literal>UTC</literal> (Tom Lane)
</para>
<para>
This should have the same results for practical purposes.
However, <literal>GMT</literal> is recognized by hard-wired code in
the server, while <literal>UTC</literal> is looked up in the
timezone database. So the old code could fail in the unlikely event
that the remote server's timezone database is missing entries.
</para>
</listitem>
<listitem>
<!--
Author: Michael Paquier <michael@paquier.xyz>
Branch: REL_16_STABLE [7c93f31de] 2024-04-16 12:25:48 +0900
Branch: REL_15_STABLE [689ba4f1c] 2024-04-16 12:26:10 +0900
Branch: REL_14_STABLE [6fa5e67e8] 2024-04-16 12:26:15 +0900
Branch: REL_13_STABLE [bb418aeee] 2024-04-16 12:26:17 +0900
Branch: REL_12_STABLE [4b0e5d601] 2024-04-16 12:26:21 +0900
-->
<para>
In <filename>contrib/xml2</filename>, avoid use of library functions
that have been deprecated in recent versions
of <application>libxml2</application> (Dmitry Koval)
</para>
</listitem>
<listitem>
<!--
Author: Thomas Munro <tmunro@postgresql.org>
Branch: master [53c8d6c9f] 2024-04-10 12:13:46 +1200
Branch: REL_16_STABLE [bf1cfe77e] 2024-04-10 10:46:15 +1200
Branch: REL_15_STABLE [74992929a] 2024-04-10 12:14:04 +1200
Branch: REL_14_STABLE [7fe32eaa4] 2024-04-10 12:15:07 +1200
Branch: REL_13_STABLE [4f90750b5] 2024-04-10 12:15:41 +1200
Branch: REL_12_STABLE [01b55203a] 2024-04-10 12:15:59 +1200
-->
<para>
Fix incompatibility with LLVM 18 (Thomas Munro, Dmitry Dolgov)
</para>
</listitem>
<listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [8a92b70c1] 2024-03-26 11:44:49 -0400
Branch: REL_16_STABLE [7651fd387] 2024-03-26 11:44:49 -0400
Branch: REL_15_STABLE [3c3f4fd74] 2024-03-26 11:44:49 -0400
Branch: REL_14_STABLE [d82605bcd] 2024-03-26 11:44:49 -0400
Branch: REL_13_STABLE [243e99532] 2024-03-26 11:44:49 -0400
Branch: REL_12_STABLE [7124e7d52] 2024-03-26 11:44:49 -0400
-->
<para>
Allow <literal>make check</literal> to work with
the <application>musl</application> C library (Thomas Munro, Bruce
Momjian, Tom Lane)
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-13-14"> <sect1 id="release-13-14">
<title>Release 13.14</title> <title>Release 13.14</title>