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First-draft release notes for 9.4.6. 

As usual, the release notes for other branches will be made by cutting
these down, but put them up for community review first.
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doc/src/sgml/release-9.4.sgml
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<!-- doc/src/sgml/release-9.4.sgml -->
<!-- See header comment in release.sgml about typical markup -->
<sect1 id="release-9-4-6">
<title>Release 9.4.6</title>
<note>
<title>Release Date</title>
<simpara>2016-02-11</simpara>
</note>
<para>
This release contains a variety of fixes from 9.4.5.
For information about new features in the 9.4 major release, see
<xref linkend="release-9-4">.
</para>
<sect2>
<title>Migration to Version 9.4.6</title>
<para>
A dump/restore is not required for those running 9.4.X.
</para>
<para>
However, if you are upgrading an installation that contains any GIN
indexes that use the (non-default) <literal>jsonb_path_ops</> operator
class, see the first changelog entry below.
</para>
<para>
Also, if you are upgrading from a version earlier than 9.4.4,
see <xref linkend="release-9-4-4">.
</para>
</sect2>
<sect2>
<title>Changes</title>
<itemizedlist>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [b23af4587] 2015-11-05 18:15:48 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [4d867458f] 2015-11-05 18:15:48 -0500
Branch: REL9_4_STABLE [788e35ac0] 2015-11-05 18:15:48 -0500
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<listitem>
<para>
Fix inconsistent hash calculations in <literal>jsonb_path_ops</> GIN
indexes (Tom Lane)
</para>
<para>
When processing <type>jsonb</> values that contain both scalars and
sub-objects at the same nesting level, for example an array containing
both scalars and sub-arrays, key hash values could be calculated
differently than they would be for the same key in a different context.
This could result in queries not finding entries that they should find.
Fixing this means that existing indexes may now be inconsistent with the
new hash calculation code. Users
should <command>REINDEX</> <literal>jsonb_path_ops</> GIN indexes after
installing this update to make sure that all searches work as expected.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [7e2a18a91] 2015-10-06 17:15:52 -0400
Branch: REL9_5_STABLE Release: REL9_5_0 [02580df6c] 2015-10-06 17:15:27 -0400
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<listitem>
<para>
Perform an immediate shutdown if the <filename>postmaster.pid</> file
is removed (Tom Lane)
</para>
<para>
The postmaster now checks every minute or so
that <filename>postmaster.pid</> is still there and still contains its
own PID. If not, it performs an immediate shutdown, as though it had
received <systemitem>SIGQUIT</>. The main motivation for this change
is to ensure that failed buildfarm runs will get cleaned up without
manual intervention; but it also serves to limit the bad effects if a
DBA forcibly removes <filename>postmaster.pid</> and then starts a new
postmaster.
</para>
</listitem>
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Author: Kevin Grittner <kgrittn@postgresql.org>
Branch: master [585e2a3b1] 2015-10-31 14:43:34 -0500
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<listitem>
<para>
In <literal>SERIALIZABLE</> transaction isolation mode, serialization
anomalies could be missed due to race conditions during insertions
(Kevin Grittner, Thomas Munro)
</para>
</listitem>
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Author: Andres Freund <andres@anarazel.de>
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<listitem>
<para>
Fix failure to emit appropriate WAL records when doing <literal>ALTER
TABLE ... SET TABLESPACE</> for unlogged relations (Michael Paquier,
Andres Freund)
</para>
<para>
Even though the relation's data is unlogged, the move must be logged or
the relation will be inaccessible after a standby is promoted to master.
</para>
</listitem>
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Author: Andres Freund <andres@anarazel.de>
Branch: master [e3f4cfc7a] 2015-12-10 16:29:26 +0100
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<listitem>
<para>
Fix possible misinitialization of unlogged relations at the end of
crash recovery (Andres Freund, Michael Paquier)
</para>
</listitem>
<!--
Author: Magnus Hagander <magnus@hagander.net>
Branch: master [263c19572] 2015-12-13 16:46:56 +0100
Branch: REL9_5_STABLE Release: REL9_5_0 [a9c56ff0e] 2015-12-13 16:43:35 +0100
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<listitem>
<para>
Ensure walsender slots are fully re-initialized when being re-used
(Magnus Hagander)
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [074c5cfbf] 2015-11-20 14:55:47 -0500
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<listitem>
<para>
Fix <command>ALTER COLUMN TYPE</> to reconstruct inherited check
constraints properly (Tom Lane)
</para>
</listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: REL9_4_STABLE [d07afa42d] 2015-12-21 19:49:15 -0300
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<listitem>
<para>
Fix <command>REASSIGN OWNED</> to change ownership of composite types
properly (&Aacute;lvaro Herrera)
</para>
</listitem>
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Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
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<listitem>
<para>
Fix <command>REASSIGN OWNED</> and <command>ALTER OWNER</> to correctly
update granted-permissions lists when changing owners of data types,
foreign data wrappers, or foreign servers (Bruce Momjian,
&Aacute;lvaro Herrera)
</para>
</listitem>
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Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: master [8c1615531] 2015-12-11 18:39:09 -0300
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<listitem>
<para>
Fix <command>REASSIGN OWNED</> to ignore foreign user mappings,
rather than fail (&Aacute;lvaro Herrera)
</para>
</listitem>
<!--
Author: Stephen Frost <sfrost@snowman.net>
Branch: master [6f8cb1e23] 2015-12-21 10:34:14 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [496943ec2] 2015-12-21 10:34:20 -0500
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<listitem>
<para>
Fix possible crash after doing query rewrite for an updatable view
(Stephen Frost)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [acfcd45ca] 2015-12-11 14:22:20 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [564c19e86] 2015-12-11 14:22:20 -0500
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Branch: master [7e19db0c0] 2015-12-07 17:42:11 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [25517ee14] 2015-12-07 17:41:45 -0500
Branch: REL9_4_STABLE [0901d68ba] 2015-12-07 17:41:45 -0500
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<listitem>
<para>
Fix planner's handling of <literal>LATERAL</> references (Tom
Lane)
</para>
<para>
This fixes some corner cases that led to <quote>failed to build any
N-way joins</> or <quote>could not devise a query plan</> planner
failures.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [3c93a60f6] 2016-01-01 13:42:21 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [d932391fd] 2016-01-01 13:42:30 -0500
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<listitem>
<para>
Add more defenses against bad planner cost estimates for GIN index
scans when the index's internal statistics are very out-of-date
(Tom Lane)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [7fb008c5e] 2015-12-01 16:24:34 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [e9986a811] 2015-12-01 16:24:34 -0500
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<listitem>
<para>
Make planner cope with hypothetical GIN indexes suggested by an index
advisor plug-in (Julien Rouhaud)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [8004953b5] 2015-11-16 13:45:17 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [34d4f49bb] 2015-11-16 13:45:17 -0500
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<listitem>
<para>
Speed up generation of unique table aliases in <command>EXPLAIN</> and
rule dumping, and ensure that generated aliases do not
exceed <literal>NAMEDATALEN</> (Tom Lane)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [7745bc352] 2015-11-15 14:41:09 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [0489a048d] 2015-11-15 14:41:09 -0500
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<listitem>
<para>
Fix dumping of whole-row Vars in <literal>ROW()</>
and <literal>VALUES()</> lists (Tom Lane)
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [d43554258] 2015-10-20 11:07:04 -0700
Branch: REL9_5_STABLE Release: REL9_5_0 [5fb20a5ba] 2015-10-20 11:07:05 -0700
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<listitem>
<para>
Translation of minus-infinity dates and timestamps to <type>json</>
or <type>jsonb</> incorrectly rendered them as plus-infinity (Tom Lane)
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [5f10b7a60] 2015-11-17 15:46:47 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [80be41979] 2015-11-17 15:46:54 -0500
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<listitem>
<para>
Fix possible internal overflow in <type>numeric</> division
(Dean Rasheed)
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a43b4ab11] 2015-11-07 12:43:24 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [44fc25153] 2015-11-07 12:43:24 -0500
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<listitem>
<para>
Fix enforcement of restrictions inside parentheses within regular
expression lookahead constraints (Tom Lane)
</para>
<para>
Lookahead constraints aren't allowed to contain backrefs, and
parentheses within them are always considered non-capturing, according
to the manual. However, the code failed to handle these cases properly
inside a parenthesized subexpression, and would give unexpected
results.
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [9f1e642d5] 2015-10-19 13:54:53 -0700
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<listitem>
<para>
Conversion of regular expressions to indexscan bounds could produce
incorrect bounds from regexps containing lookahead constraints
(Tom Lane)
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [48789c5d2] 2015-10-16 15:55:58 -0400
Branch: REL9_5_STABLE Release: REL9_5_0 [0889e1857] 2015-10-16 15:56:00 -0400
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<listitem>
<para>
Fix regular-expression compiler to handle loops of constraint arcs
(Tom Lane)
</para>
<para>
The code added for CVE-2007-4772 was both incomplete, in that it didn't
handle loops involving more than one state, and incorrect, in that it
could cause assertion failures (though there seem to be no bad
consequences of that in a non-assert build). Multi-state loops would
cause the compiler to run until the query was canceled or it reached
the too-many-states error condition.
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [538b3b8b3] 2015-10-16 15:55:59 -0400
Branch: REL9_5_STABLE Release: REL9_5_0 [e91cfdead] 2015-10-16 15:56:00 -0400
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<listitem>
<para>
Improve memory-usage accounting in regular-expression compiler
(Tom Lane)
</para>
<para>
This causes the code to emit <quote>regular expression is too
complex</> errors in some cases that previously used unreasonable
amounts of time and memory.
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [6a7153661] 2015-10-16 15:55:59 -0400
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<listitem>
<para>
Improve performance of regular-expression compiler (Tom Lane)
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [b8682a715] 2016-01-26 15:38:33 -0500
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<listitem>
<para>
Make <literal>%h</> and <literal>%r</> escapes
in <varname>log_line_prefix</> work for messages emitted due
to <varname>log_connections</> (Tom Lane)
</para>
<para>
Previously, <literal>%h</>/<literal>%r</> started to work just after a
new session had emitted the <quote>connection received</> log message;
now they work for that message too.
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [869f693a3] 2015-10-13 11:21:33 -0400
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<listitem>
<para>
On Windows, ensure the shared-memory mapping handle gets closed in
child processes that don't need it (Tom Lane, Amit Kapila)
</para>
<para>
This oversight resulted in failure to recover from crashes
whenever <varname>logging_collector</> is turned on.
</para>
</listitem>
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Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: REL9_4_STABLE [add6d821b] 2016-01-04 17:41:33 -0500
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Branch: REL9_2_STABLE [9b2eacba7] 2016-01-04 17:41:33 -0500
Branch: REL9_1_STABLE [d05103b77] 2016-01-04 17:41:33 -0500
-->
<listitem>
<para>
Fix possible failure to detect socket EOF in non-blocking mode on
Windows (Tom Lane)
</para>
<para>
It's not entirely clear whether this problem can happen in pre-9.5
branches, but if it did, the symptom would be that a walsender process
would wait indefinitely rather than noticing a loss of connection.
</para>
</listitem>
<!--
Author: Magnus Hagander <magnus@hagander.net>
Branch: master [6a61d1ff9] 2016-01-14 13:06:03 +0100
Branch: REL9_5_STABLE [3276ca303] 2016-01-14 13:07:20 +0100
Branch: REL9_4_STABLE [ab49f87d5] 2016-01-14 13:07:35 +0100
Branch: REL9_3_STABLE [77d8edcf5] 2016-01-14 13:07:45 +0100
Branch: REL9_2_STABLE [df0bd5a0f] 2016-01-14 13:07:55 +0100
Branch: REL9_1_STABLE [b1c0f92eb] 2016-01-14 13:08:10 +0100
-->
<listitem>
<para>
Avoid leaking a token handle during SSPI authentication
(Christian Ullrich)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [2ec477dc8] 2015-12-16 16:59:35 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [f1c152866] 2015-12-16 16:58:55 -0500
Branch: REL9_4_STABLE [e168dfef6] 2015-12-16 16:58:55 -0500
Branch: REL9_3_STABLE [9afe392dc] 2015-12-16 16:58:56 -0500
Branch: REL9_2_STABLE [bcce4a5e3] 2015-12-16 16:58:56 -0500
Branch: REL9_1_STABLE [03b138e90] 2015-12-16 16:58:56 -0500
Branch: master [aee7705be] 2015-12-17 16:55:23 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [5ec0aad01] 2015-12-17 16:55:33 -0500
Branch: REL9_4_STABLE [acb6c64f4] 2015-12-17 16:55:39 -0500
Branch: REL9_3_STABLE [09b7abc27] 2015-12-17 16:55:43 -0500
Branch: REL9_2_STABLE [b41777988] 2015-12-17 16:55:47 -0500
Branch: REL9_1_STABLE [db462a44e] 2015-12-17 16:55:51 -0500
-->
<listitem>
<para>
In <application>psql</>, ensure that <application>libreadline</>'s idea
of the screen size is updated when the terminal window size changes
(Merlin Moncure)
</para>
<para>
Previously, <application>libreadline</> did not notice if the window
was resized during query output, leading to strange behavior during
later input of multiline queries.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [7e2247047] 2016-01-29 10:28:02 +0100
Branch: REL9_5_STABLE [56251f396] 2016-01-29 10:28:02 +0100
Branch: REL9_4_STABLE [5849b6e32] 2016-01-29 10:28:02 +0100
Branch: REL9_3_STABLE [db678ca16] 2016-01-29 10:28:03 +0100
Branch: REL9_2_STABLE [a362cc2e3] 2016-01-29 10:28:03 +0100
Branch: REL9_1_STABLE [ed5f57218] 2016-01-29 10:28:03 +0100
-->
<listitem>
<para>
Fix <application>psql</>'s <literal>\det</> command to interpret its
pattern argument the same way as other <literal>\d</> commands with
potentially schema-qualified patterns do (Reece Hart)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [c5ef8ce53] 2015-11-25 17:31:53 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [55a2cc844] 2015-11-25 17:31:53 -0500
Branch: REL9_4_STABLE [3d357b48f] 2015-11-25 17:31:53 -0500
Branch: REL9_3_STABLE [64b7079e5] 2015-11-25 17:31:53 -0500
Branch: REL9_2_STABLE [d44b4deaa] 2015-11-25 17:31:54 -0500
Branch: REL9_1_STABLE [6430a11fa] 2015-11-25 17:31:54 -0500
-->
<listitem>
<para>
Avoid possible crash in <application>psql</>'s <literal>\c</> command
when previous connection was via Unix socket and command specifies a
new hostname and same username (Tom Lane)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [6bcce2580] 2015-10-12 18:30:36 -0400
Branch: REL9_5_STABLE Release: REL9_5_0 [a151a5c38] 2015-10-12 18:30:36 -0400
Branch: REL9_4_STABLE [57f54b5e4] 2015-10-12 18:30:36 -0400
Branch: REL9_3_STABLE [dfe572de0] 2015-10-12 18:30:37 -0400
Branch: REL9_2_STABLE [250108b6f] 2015-10-12 18:30:37 -0400
Branch: REL9_1_STABLE [c869a7d5b] 2015-10-12 18:30:37 -0400
-->
<listitem>
<para>
In <literal>pg_ctl start -w</>, test child process status directly
rather than relying on heuristics (Tom Lane, Michael Paquier)
</para>
<para>
Previously, <application>pg_ctl</> relied on an assumption that the new
postmaster would always create <filename>postmaster.pid</> within five
seconds. But that can fail on heavily-loaded systems,
causing <application>pg_ctl</> to report incorrectly that the
postmaster failed to start.
</para>
<para>
Except on Windows, this change also means that a <literal>pg_ctl start
-w</> done immediately after another such command will now reliably
fail, whereas previously it would report success if done within two
seconds of the first command.
</para>
</listitem>
<!--
Author: Noah Misch <noah@leadboat.com>
Branch: master [fed19f312] 2015-11-08 17:28:53 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [bdb42bac3] 2015-11-08 17:29:47 -0500
Branch: REL9_4_STABLE [24379a45c] 2015-11-08 17:31:21 -0500
Branch: REL9_3_STABLE [34725292d] 2015-11-08 17:31:22 -0500
Branch: REL9_2_STABLE [99027350e] 2015-11-08 17:31:23 -0500
Branch: REL9_1_STABLE [87deb55a4] 2015-11-08 17:31:24 -0500
-->
<listitem>
<para>
In <literal>pg_ctl start -w</>, don't attempt to use a wildcard listen
address to connect to the postmaster (Kondo Yuta)
</para>
<para>
On Windows, <application>pg_ctl</> would fail to detect postmaster
startup if <varname>listen_addresses</> is set to <literal>0.0.0.0</>
or <literal>::</>, because it would try to use that value verbatim as
the address to connect to, which doesn't work. Instead assume
that <literal>127.0.0.1</> or <literal>::1</>, respectively, is the
right thing to use.
</para>
</listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: master [a96761391] 2016-01-07 11:59:08 -0300
Branch: REL9_5_STABLE [744d01c9a] 2016-01-07 11:59:08 -0300
Branch: REL9_4_STABLE [c7aca3d45] 2016-01-07 11:59:08 -0300
Branch: REL9_3_STABLE [74d4009b8] 2016-01-07 11:59:08 -0300
Branch: REL9_2_STABLE [5c4cbd5d1] 2016-01-07 11:59:08 -0300
Branch: REL9_1_STABLE [b96f6f444] 2016-01-07 11:59:08 -0300
-->
<listitem>
<para>
In <application>pg_ctl</> on Windows, check service status to decide
where to send output, rather than checking if standard output is a
terminal (Michael Paquier)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [00cdd8352] 2015-11-21 20:21:31 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [5f5e68b08] 2015-11-21 20:21:32 -0500
Branch: REL9_4_STABLE [7acad9546] 2015-11-21 20:22:39 -0500
Branch: REL9_3_STABLE [0e6185283] 2015-11-21 20:21:32 -0500
Branch: REL9_2_STABLE [b054ca031] 2015-11-21 20:21:32 -0500
Branch: REL9_1_STABLE [8f1559aa5] 2015-11-21 20:21:32 -0500
Branch: REL9_2_STABLE [05c9bc063] 2015-11-23 00:32:01 -0500
Branch: REL9_1_STABLE [6df62ef43] 2015-11-23 00:32:01 -0500
-->
<listitem>
<para>
In <application>pg_dump</> and <application>pg_basebackup</>, adopt
the GNU convention for handling tar-archive members exceeding 8GB
(Tom Lane)
</para>
<para>
The POSIX standard for <literal>tar</> file format does not allow
archive member files to exceed 8GB, but most modern implementations
of <application>tar</> support an extension that fixes that. Adopt
this extension so that <application>pg_dump</> with <option>-Ft</> no
longer fails on tables with more than 8GB of data, and so
that <application>pg_basebackup</> can handle files larger than 8GB.
In addition, fix some portability issues that could cause failures for
members between 4GB and 8GB on some platforms. Potentially these
problems could cause unrecoverable data loss due to unreadable backup
files.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [e72d7d853] 2016-01-13 18:55:27 -0500
Branch: REL9_5_STABLE [c42df2d46] 2016-01-13 18:55:27 -0500
Branch: REL9_4_STABLE [7393208b5] 2016-01-13 18:55:27 -0500
Branch: REL9_3_STABLE [b87403f70] 2016-01-13 18:55:27 -0500
Branch: REL9_2_STABLE [be2b27651] 2016-01-13 18:55:27 -0500
Branch: REL9_1_STABLE [5108013db] 2016-01-13 18:55:27 -0500
-->
<listitem>
<para>
Fix assorted corner-case bugs in <application>pg_dump</>'s processing
of extension member objects (Tom Lane)
</para>
</listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: master [df43fcf45] 2016-01-22 20:04:35 -0300
Branch: REL9_5_STABLE [1e910cf5b] 2016-01-22 20:04:35 -0300
-->
<listitem>
<para>
Fix improper quoting of domain constraint names
in <application>pg_dump</> (Elvis Pranskevichus)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [0ed707e9b] 2016-02-04 00:26:10 -0500
Branch: REL9_5_STABLE [b99dd7170] 2016-02-04 00:26:10 -0500
Branch: REL9_4_STABLE [411e2b0d5] 2016-02-04 00:26:10 -0500
Branch: REL9_3_STABLE [aefbc208b] 2016-02-04 00:26:10 -0500
Branch: REL9_2_STABLE [4f58a7003] 2016-02-04 00:26:10 -0500
Branch: REL9_1_STABLE [9c704632c] 2016-02-04 00:26:10 -0500
-->
<listitem>
<para>
Make <application>pg_dump</> mark a view's triggers as needing to be
processed after its rule, to prevent possible failure during
parallel <application>pg_restore</> (Tom Lane)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [c7e27becd] 2016-01-01 15:27:53 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [404c45bac] 2016-01-01 15:27:53 -0500
Branch: REL9_4_STABLE [f9b3b3fec] 2016-01-01 15:27:53 -0500
Branch: REL9_3_STABLE [babf38e88] 2016-01-01 15:27:53 -0500
Branch: REL9_2_STABLE [69cfe15b5] 2016-01-01 15:27:53 -0500
Branch: REL9_1_STABLE [85dbc46bd] 2016-01-01 15:27:53 -0500
Branch: master [b416c0bb6] 2016-01-02 19:04:45 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [b01828e97] 2016-01-02 19:04:45 -0500
Branch: REL9_4_STABLE [aab4b73bd] 2016-01-02 19:04:45 -0500
Branch: REL9_3_STABLE [6a0d63d35] 2016-01-02 19:04:45 -0500
Branch: REL9_2_STABLE [1eb515ad7] 2016-01-02 19:04:45 -0500
Branch: REL9_1_STABLE [e4959fb5c] 2016-01-02 19:04:45 -0500
-->
<listitem>
<para>
Ensure that relation option values are properly quoted
in <application>pg_dump</> (Kouhei Sutou, Tom Lane)
</para>
<para>
A reloption value that isn't a simple identifier or number could lead
to dump/reload failures due to syntax errors in CREATE statements
issued by <application>pg_dump</>. This is not an issue with any
reloption currently supported by core <productname>PostgreSQL</>, but
extensions could allow reloptions that cause the problem.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [1aa41e3ea] 2015-12-23 14:25:53 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [a21994c1b] 2015-12-23 14:25:31 -0500
Branch: REL9_4_STABLE [f56802a2d] 2015-12-23 14:25:31 -0500
Branch: REL9_3_STABLE [534a4159c] 2015-12-23 14:25:31 -0500
-->
<listitem>
<para>
Avoid repeated password prompts during parallel <application>pg_dump</>
(Zeus Kronion)
</para>
</listitem>
<!--
Author: Bruce Momjian <bruce@momjian.us>
Branch: master [025106e31] 2015-11-14 11:47:12 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [fae58d5be] 2015-11-14 11:47:11 -0500
Branch: REL9_4_STABLE [87cdfeb18] 2015-11-14 11:47:11 -0500
Branch: REL9_3_STABLE [a75efb483] 2015-11-14 11:47:11 -0500
Branch: REL9_2_STABLE [b4c4220ed] 2015-11-14 11:47:11 -0500
Branch: REL9_1_STABLE [bdcbc2b47] 2015-11-14 11:47:11 -0500
Branch: master [13b30c16f] 2015-11-24 17:18:28 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [b17dbf262] 2015-11-24 17:18:28 -0500
Branch: REL9_4_STABLE [f91c4e326] 2015-11-24 17:18:28 -0500
Branch: REL9_3_STABLE [6638c9aaf] 2015-11-24 17:18:27 -0500
Branch: REL9_2_STABLE [0ca3c51e5] 2015-11-24 17:18:27 -0500
Branch: REL9_1_STABLE [c36064e43] 2015-11-24 17:18:27 -0500
-->
<listitem>
<para>
Fix <application>pg_upgrade</>'s file-copying code to handle errors
properly on Windows (Bruce Momjian)
</para>
</listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
Branch: master [64f5edca2] 2016-02-01 08:23:41 -0500
Branch: REL9_5_STABLE [829757c8a] 2016-02-01 08:26:07 -0500
Branch: REL9_4_STABLE [c33d1a8d5] 2016-02-03 09:15:29 -0500
Branch: REL9_3_STABLE [014796aa3] 2016-02-03 09:19:58 -0500
Branch: REL9_2_STABLE [b63a4f418] 2016-02-03 09:21:44 -0500
Branch: REL9_1_STABLE [4c8b07d3c] 2016-02-03 09:25:34 -0500
-->
<listitem>
<para>
Install guards in <application>pgbench</> against corner-case overflow
conditions during evaluation of script-specified division or modulo
operators (Fabien Coelho, Michael Paquier)
</para>
</listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: master [4aecd22d3] 2016-01-05 17:25:12 -0300
Branch: REL9_5_STABLE [7ef311eb4] 2016-01-05 17:25:12 -0300
-->
<listitem>
<para>
Suppress useless warning message when <application>pg_receivexlog</>
connects to a pre-9.4 server (Marco Nenciarini)
</para>
</listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: master [fc995bfdb] 2015-12-28 10:50:35 -0300
Branch: REL9_5_STABLE Release: REL9_5_0 [c3e068b26] 2015-12-28 10:50:35 -0300
Branch: REL9_4_STABLE [f98bc20dd] 2015-12-28 10:50:35 -0300
Branch: REL9_3_STABLE [7533d5d35] 2015-12-28 10:50:35 -0300
Branch: REL9_2_STABLE [4fb9e6109] 2015-12-28 10:50:35 -0300
-->
<listitem>
<para>
Fix failure to localize messages emitted
by <application>pg_receivexlog</> and <application>pg_recvlogical</>
(Ioseph Kim)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [866566a69] 2016-01-11 19:55:39 -0500
Branch: REL9_5_STABLE [db8fa56d6] 2016-01-11 19:55:39 -0500
Branch: REL9_4_STABLE [22815752e] 2016-01-11 19:55:40 -0500
Branch: REL9_3_STABLE [0ddeaba7e] 2016-01-11 19:55:40 -0500
Branch: REL9_2_STABLE [3843ba510] 2016-01-11 19:55:40 -0500
Branch: master [fb6fcbd33] 2016-01-11 20:06:36 -0500
Branch: REL9_5_STABLE [5ef26b8de] 2016-01-11 20:06:47 -0500
-->
<listitem>
<para>
Avoid dump/reload problems when using both <application>plpython2</>
and <application>plpython3</> (Tom Lane)
</para>
<para>
In principle, both versions of PL/Python can be used in the same
database, though not in the same session (because the two versions of
<application>libpython</> cannot safely be used concurrently).
However, <application>pg_restore</> and <application>pg_upgrade</> both
do things that can fall foul of the same-session restriction. Work
around that by changing the timing of the check.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [c40591885] 2015-11-12 13:03:52 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [747854f01] 2015-11-12 13:03:52 -0500
Branch: REL9_4_STABLE [40879a92b] 2015-11-12 13:03:52 -0500
Branch: REL9_3_STABLE [db6e8e162] 2015-11-12 13:03:53 -0500
-->
<!--
Author: Peter Eisentraut <peter_e@gmx.net>
Branch: REL9_4_STABLE [f1b898759] 2015-11-14 13:43:43 -0500
Branch: REL9_3_STABLE [a37ab812c] 2015-11-14 13:44:09 -0500
Branch: REL9_2_STABLE [82076c1e4] 2015-11-14 13:53:26 -0500
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: REL9_5_STABLE [a66c1fcdd] 2016-01-08 11:39:28 -0500
-->
<listitem>
<para>
Fix PL/Python regression tests to pass with Python 3.5
(Peter Eisentraut)
</para>
</listitem>
<listitem>
<para>
Fix premature clearing of <application>libpq</>'s input buffer when
socket EOF is seen (Tom Lane)
</para>
<para>
This mistake caused <application>libpq</> to sometimes not report the
backend's final error message before reporting <quote>server closed the
connection unexpectedly</>.
</para>
</listitem>
<!--
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Branch: master [7b96bf445] 2015-12-14 18:19:10 +0200
Branch: REL9_5_STABLE Release: REL9_5_0 [34d136f92] 2015-12-14 18:24:58 +0200
Branch: REL9_4_STABLE [affae5e98] 2015-12-14 18:40:51 +0200
Branch: REL9_3_STABLE [dee1ed54f] 2015-12-14 18:52:29 +0200
Branch: REL9_2_STABLE [1e23caae3] 2015-12-14 18:41:11 +0200
Branch: REL9_1_STABLE [4b58ded74] 2015-12-14 18:48:49 +0200
-->
<listitem>
<para>
Improve <application>libpq</>'s handling of out-of-memory situations
(Michael Paquier, Amit Kapila, Heikki Linnakangas)
</para>
</listitem>
<!--
Author: Michael Meskes <meskes@postgresql.org>
Branch: REL9_5_STABLE Release: REL9_5_0 [937261454] 2015-10-18 10:15:18 +0200
Branch: REL9_4_STABLE [a850d7136] 2015-10-18 10:16:36 +0200
Branch: REL9_3_STABLE [defd2ecf4] 2015-10-18 10:16:49 +0200
Branch: REL9_2_STABLE [8f67643be] 2015-10-18 10:17:01 +0200
Branch: REL9_1_STABLE [a9bcd8370] 2015-10-18 10:17:12 +0200
-->
<listitem>
<para>
Fix order of arguments
in <application>ecpg</>-generated <literal>typedef</> statements
(Michael Meskes)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [db4a5cfc7] 2015-12-01 11:42:25 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [c79bdc990] 2015-12-01 11:42:35 -0500
Branch: REL9_4_STABLE [346cc2f01] 2015-12-01 11:42:39 -0500
Branch: REL9_3_STABLE [3e6e98c5a] 2015-12-01 11:42:43 -0500
Branch: REL9_2_STABLE [74cf6defa] 2015-12-01 11:42:47 -0500
Branch: REL9_1_STABLE [84387496f] 2015-12-01 11:42:52 -0500
-->
<listitem>
<para>
Use <literal>%g</> not <literal>%f</> format
in <application>ecpg</>'s <function>PGTYPESnumeric_from_double()</>
(Tom Lane)
</para>
</listitem>
<!--
Author: Michael Meskes <meskes@postgresql.org>
Branch: master [7a58d19b0] 2016-02-01 13:21:00 +0100
Branch: REL9_5_STABLE [40482e606] 2016-02-01 13:20:37 +0100
Branch: REL9_3_STABLE [0b55fef39] 2016-02-01 13:19:10 +0100
Branch: REL9_2_STABLE [d9ce5d201] 2016-02-01 13:19:34 +0100
Branch: REL9_1_STABLE [79782b407] 2016-02-01 13:19:43 +0100
-->
<listitem>
<para>
Fix <application>ecpg</>-supplied header files to not contain comments
continued from a preprocessor directive line onto the next line
(Michael Meskes)
</para>
<para>
Such a comment is rejected by <application>ecpg</>. It's not yet clear
whether <application>ecpg</> itself should be changed.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [e6ecc93a1] 2016-02-03 01:39:48 -0500
Branch: REL9_5_STABLE [1c291624b] 2016-02-03 01:39:08 -0500
Branch: REL9_4_STABLE [aa223a037] 2016-02-03 01:39:08 -0500
Branch: REL9_3_STABLE [1f2b195eb] 2016-02-03 01:39:08 -0500
-->
<listitem>
<para>
Fix <function>hstore_to_json_loose()</>'s test for whether
an <type>hstore</> value can be converted to a JSON number (Tom Lane)
</para>
<para>
Previously this function could be fooled by non-alphanumeric trailing
characters, leading to emitting syntactically-invalid JSON.
</para>
</listitem>
<!--
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Branch: master [743229a67] 2015-12-27 13:03:19 -0300
Branch: REL9_5_STABLE Release: REL9_5_0 [c886c30cc] 2015-12-27 13:03:19 -0300
Branch: REL9_4_STABLE [0a29cf693] 2015-12-27 13:03:19 -0300
Branch: REL9_3_STABLE [0244677cf] 2015-12-27 13:03:19 -0300
Branch: REL9_2_STABLE [51dd54ba7] 2015-12-27 13:03:19 -0300
Branch: REL9_1_STABLE [1b6102eb7] 2015-12-27 13:03:19 -0300
-->
<listitem>
<para>
Ensure that <filename>contrib/pgcrypto</>'s <function>crypt()</>
function can be interrupted by query cancel (Andreas Karlsson)
</para>
</listitem>
<!--
Author: Robert Haas <rhaas@postgresql.org>
Branch: master [9418d79a7] 2016-02-04 21:17:53 -0500
Branch: REL9_5_STABLE [453d40817] 2016-02-04 21:17:46 -0500
Branch: REL9_4_STABLE [1f3294c22] 2016-02-04 21:15:57 -0500
Branch: master [37c84570b] 2016-02-04 22:27:13 -0500
Branch: REL9_5_STABLE [d160e2a34] 2016-02-04 22:27:38 -0500
Branch: REL9_4_STABLE [2099b911d] 2016-02-04 22:27:47 -0500
-->
<listitem>
<para>
In <filename>contrib/postgres_fdw</>, fix bugs triggered by use
of <literal>tableoid</> in data-modifying commands (Etsuro Fujita,
Robert Haas)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [32f15d05c] 2015-11-18 17:45:05 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [659d47292] 2015-11-18 17:45:05 -0500
Branch: REL9_4_STABLE [d5bb7c6f6] 2015-11-18 17:45:05 -0500
Branch: REL9_3_STABLE [ae81d4fb1] 2015-11-18 17:45:05 -0500
Branch: REL9_2_STABLE [6e1d26f1f] 2015-11-18 17:45:06 -0500
Branch: REL9_1_STABLE [b4afc39f7] 2015-11-18 17:45:06 -0500
Branch: master [9c779c49e] 2015-12-10 10:19:13 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [2355faae0] 2015-12-10 10:19:18 -0500
Branch: REL9_4_STABLE [ee0df4d77] 2015-12-10 10:19:22 -0500
Branch: REL9_3_STABLE [b3e377a00] 2015-12-10 10:19:27 -0500
Branch: REL9_2_STABLE [7f94a5c10] 2015-12-10 10:19:31 -0500
-->
<listitem>
<para>
Accept <application>flex</> versions later than 2.5.x
(Tom Lane, Michael Paquier)
</para>
<para>
Now that flex 2.6.0 has been released, the version checks in our build
scripts needed to be adjusted.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a396144ac] 2016-01-22 11:53:06 -0500
Branch: REL9_5_STABLE [47acf3add] 2016-01-22 11:53:06 -0500
-->
<listitem>
<para>
Fix ill-advised restriction of <literal>NAMEDATALEN</> to be less
than 256 (Robert Haas, Tom Lane)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [3343ea9e8] 2016-01-05 15:47:05 -0500
Branch: REL9_5_STABLE [8805af088] 2016-01-05 15:47:05 -0500
Branch: REL9_4_STABLE [8c558b2e9] 2016-01-05 15:47:05 -0500
Branch: REL9_3_STABLE [6d899f098] 2016-01-05 15:47:05 -0500
-->
<listitem>
<para>
Improve reproducibility of build output by ensuring filenames are given
to the linker in a fixed order (Christoph Berg)
</para>
<para>
This avoids possible bitwise differences in the produced executable
files from one build to the next.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [dccf8e9e6] 2015-12-11 16:15:05 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [6061aa8ed] 2015-12-11 16:15:06 -0500
Branch: REL9_4_STABLE [423697e3d] 2015-12-11 16:14:36 -0500
Branch: REL9_3_STABLE [1ebe75a2c] 2015-12-11 16:14:40 -0500
Branch: REL9_2_STABLE [98467b35d] 2015-12-11 16:14:44 -0500
Branch: REL9_1_STABLE [2a37a103b] 2015-12-11 16:14:48 -0500
-->
<listitem>
<para>
Install our <filename>missing</> script where PGXS builds can find it
(Jim Nasby)
</para>
<para>
This allows sane behavior in a PGXS build done on a machine where build
tools such as <application>bison</> are missing.
</para>
</listitem>
<!--
Author: Bruce Momjian <bruce@momjian.us>
Branch: master [216d56843] 2016-01-19 23:30:29 -0500
Branch: REL9_5_STABLE [34bda20ae] 2016-01-19 23:30:29 -0500
Branch: REL9_4_STABLE [8b3d52801] 2016-01-19 23:30:29 -0500
Branch: REL9_3_STABLE [7a47262ce] 2016-01-19 23:30:28 -0500
Branch: REL9_2_STABLE [49d65e857] 2016-01-19 23:30:28 -0500
Branch: REL9_1_STABLE [b1bc38144] 2016-01-19 23:30:28 -0500
-->
<listitem>
<para>
Ensure that <filename>dynloader.h</> is included in the installed
header files in MSVC builds (Michael Paquier)
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [085423e3e] 2015-12-11 19:09:04 -0500
Branch: REL9_5_STABLE Release: REL9_5_0 [ea7f7d8b3] 2015-12-11 19:08:40 -0500
Branch: REL9_4_STABLE [09824cd99] 2015-12-11 19:08:40 -0500
Branch: REL9_3_STABLE [fee485815] 2015-12-11 19:08:40 -0500
Branch: REL9_2_STABLE [f5eebea8d] 2015-12-11 19:08:40 -0500
Branch: REL9_1_STABLE [386dcd539] 2015-12-11 19:08:40 -0500
-->
<listitem>
<para>
Add variant regression test expected-output file to match behavior of
current <application>libxml2</> (Tom Lane)
</para>
<para>
The fix for <application>libxml2</>'s CVE-2015-7499 causes it not to
output error context reports in some cases where it used to do so.
This seems to be a bug, but we'll probably have to live with it for
some time, so work around it.
</para>
</listitem>
<!--
Author: Tom Lane <tgl@sss.pgh.pa.us>
Branch: master [a73311e52] 2016-02-05 10:59:09 -0500
Branch: REL9_5_STABLE [37e694632] 2016-02-05 10:59:21 -0500
Branch: REL9_4_STABLE [31b792f61] 2016-02-05 10:59:26 -0500
Branch: REL9_3_STABLE [9a3475b84] 2016-02-05 10:59:31 -0500
Branch: REL9_2_STABLE [32f17a2e7] 2016-02-05 10:59:35 -0500
Branch: REL9_1_STABLE [6887d72d0] 2016-02-05 10:59:39 -0500
-->
<listitem>
<para>
Update time zone data files to <application>tzdata</> release 2016a for
DST law changes in Cayman Islands, Metlakatla, and Trans-Baikal
Territory (Zabaykalsky Krai), plus historical corrections for Pakistan.
</para>
</listitem>
</itemizedlist>
</sect2>
</sect1>
<sect1 id="release-9-4-5">
<title>Release 9.4.5</title>
......
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