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Improve documentation regarding the limitations of unique and primary key
constraints on partitioned tables. The existing documentation didn't make
it clear that the constraint columns had to be present in the partition
key as bare columns. The reader could be led to believe that it was ok to
include the constraint columns as part of a function call's parameters or
as part of an expression. Additionally, the documentation didn't mention
anything about the fact that we disallow unique and primary key
constraints if the partition keys contain *any* function calls or
expressions, regardless of if the constraint columns appear as columns
elsewhere in the partition key.
The confusion here was highlighted by a report on the general mailing list
by James Vanns.
Discussion: https://postgr.es/m/CAH7vdhNF0EdYZz3GLpgE3RSJLwWLhEk7A_fiKS9dPBT3Dz_3eA@mail.gmail.com
Discussion: https://postgr.es/m/CAApHDvoU-u9iTqKjteYRFfi+UNEk7dbSAcyxEQD==vZt9B1KnA@mail.gmail.com
Reviewed-by: Erik Rijkers
Backpatch-through: 11
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These have been updated by the revert done in 2f2b18b, but the
pre-revert state was correct. Note that the result was incorrectly
formatted in the first case.
Author: Erik Rijkers
Discussion: https://postgr.es/m/13777e96-24b6-396b-cb16-8ad01b6ac130@xs4all.nl
Backpatch-through: 13
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Discussion: https://postgr.es/m/YxAqYijOsLzgLQgy@momjian.us
Backpatch-through: 10
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Reported-by: Drew DeVault
Discussion: https://postgr.es/m/20211018091720.31299-1-sir@cmpwn.com
Backpatch-through: 10
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It was not strictly correct to say that a column list must always include
replica identity columns because that is true for only updates and
deletes.
Author: Peter Smith
Reviwed-by: Vignesh C, Amit Kapila
Backpatch-through: 15, where it was introduced
Discussion: https://postgr.es/m/CAHut+PvOuc9=_4TbASc5=VUqh16UWtFO3GzcKQK_5m1hrW3vqg@mail.gmail.com
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Commit 487e9861d added a new field to struct Trigger, but failed to
update the documentation to match; backpatch to v13 where that came in.
Reviewed by Richard Guo.
Discussion: https://postgr.es/m/CAPmGK17NY92CyxJ%2BBG7A3JZurmng4jfRfzPiBTtNupGMF0xW1g%40mail.gmail.com
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The reverts the following and makes some associated cleanups:
commit f79b803dc: Common SQL/JSON clauses
commit f4fb45d15: SQL/JSON constructors
commit 5f0adec25: Make STRING an unreserved_keyword.
commit 33a377608: IS JSON predicate
commit 1a36bc9db: SQL/JSON query functions
commit 606948b05: SQL JSON functions
commit 49082c2cc: RETURNING clause for JSON() and JSON_SCALAR()
commit 4e34747c8: JSON_TABLE
commit fadb48b00: PLAN clauses for JSON_TABLE
commit 2ef6f11b0: Reduce running time of jsonb_sqljson test
commit 14d3f24fa: Further improve jsonb_sqljson parallel test
commit a6baa4bad: Documentation for SQL/JSON features
commit b46bcf7a4: Improve readability of SQL/JSON documentation.
commit 112fdb352: Fix finalization for json_objectagg and friends
commit fcdb35c32: Fix transformJsonBehavior
commit 4cd8717af: Improve a couple of sql/json error messages
commit f7a605f63: Small cleanups in SQL/JSON code
commit 9c3d25e17: Fix JSON_OBJECTAGG uniquefying bug
commit a79153b7a: Claim SQL standard compliance for SQL/JSON features
commit a1e7616d6: Rework SQL/JSON documentation
commit 8d9f9634e: Fix errors in copyfuncs/equalfuncs support for JSON node types.
commit 3c633f32b: Only allow returning string types or bytea from json_serialize
commit 67b26703b: expression eval: Fix EEOP_JSON_CONSTRUCTOR and EEOP_JSONEXPR size.
The release notes are also adjusted.
Backpatch to release 15.
Discussion: https://postgr.es/m/40d2c882-bcac-19a9-754d-4299e1d87ac7@postgresql.org
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Discussion: https://postgr.es/m/Yv1Bw8J+1pYfHiRl@momjian.us
Backpatch-through: 10
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Also remove USING erroneously added recently.
Reported-by: Jeff Janes
Discussion: https://postgr.es/m/CAMkU=1zhCpC7hottyMWM5Pimr9vRLprSwzLg+7PgajWhKZqRzw@mail.gmail.com
Backpatch-through: 10
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Reported-by: michal.palenik@freemap.sk
Discussion: https://postgr.es/m/163499710897.684.7420075366995883688@wrigleys.postgresql.org
Backpatch-through: 10
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Previously it was just marked as a duplicate of the core function.
Reported-by: Andreas Dijkman
Discussion: https://postgr.es/m/17349-24d61e214429e8c1@postgresql.org
Backpatch-through: 13
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This allows the syntax to be more accurate about what clauses are
supported. Also switch an example query to use the ANSI join syntax.
Reported-by: Joel Jacobson
Discussion: https://postgr.es/m/67b71d3e-0c22-44df-a223-351f14418319@www.fastmail.com
Backpatch-through: 11
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Non-sql_body functions are evaluated at runtime.
Reported-by: Erki Eessaar
Discussion: https://postgr.es/m/AM9PR01MB8268BF5E74E119828251FD34FE409@AM9PR01MB8268.eurprd01.prod.exchangelabs.com
Backpatch-through: 10
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Also mention that time zone abbreviations are not supported.
Reported-by: philippe.godfrin@nov.com
Discussion: https://postgr.es/m/163888728952.1269.5167822676466793158@wrigleys.postgresql.org
Backpatch-through: 10
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Reported-by: Japin Li
Discussion: https://postgr.es/m/MEYP282MB1669B13E98AE531617CB1386B6979@MEYP282MB1669.AUSP282.PROD.OUTLOOK.COM
Backpatch-through: 10
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It used to show direction was required for FROM/IN.
Reported-by: Rob <rirans@comcast.net>
Discussion: https://postgr.es/m/20211015165248.isqjceyilelhnu3k@localhost
Author: Rob <rirans@comcast.net>
Backpatch-through: 10
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Reported-by: Rob <rirans@comcast.net>
Discussion: https://postgr.es/m/20211016171149.yaouvlw5kvux6dvk@localhost
Author: Rob <rirans@comcast.net>
Backpatch-through: 10
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Commit 620ac285483 accidentally introduced a typo in the privilege
inheritance documentation
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Per off-list report.
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Commit e3ce2de09d814f8770b2e3b3c152b7671bcdb83f should have updated
these sections of the documentation, but failed to do so.
Patch by me, reviewed by Nathan Bossart.
Discussion: http://postgr.es/m/CA+TgmoaKMnde2W_=u7CqeCKi=FKnfbNQPwOR=c_3c8qD7b2nhQ@mail.gmail.com
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Compute total number of sub-parts correctly, per jason@banfelder.net
Simon Riggs
Discussion: https://postgr.es/m/166161184718.1235920.6304070286124217754@wrigleys.postgresql.org
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SUSv3 <netinet/in.h> defines struct sockaddr_in6, and all targeted Unix
systems have it. Windows has it in <ws2ipdef.h>. Remove the configure
probe, the macro and a small amount of dead code.
Also remove a mention of IPv6-less builds from the documentation, since
there aren't any.
This is similar to commits f5580882 and 077bf2f2 for Unix sockets. Even
though AF_INET6 is an "optional" component of SUSv3, there are no known
modern operating system without it, and it seems even less likely to be
omitted from future systems than AF_UNIX.
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/CA+hUKGKErNfhmvb_H0UprEmp4LPzGN06yR2_0tYikjzB-2ECMw@mail.gmail.com
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Reported-by: Bharath Rupireddy
Backpatch-through: 15
Discussion: https://postgr.es/m/CALj2ACU+at7RqnWEzS59QsFg3ZOF4C4GSp7pt+PWiLEp0zrEKg@mail.gmail.com
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The GRANT statement can now specify WITH INHERIT TRUE or WITH
INHERIT FALSE to control whether the member inherits the granted
role's permissions. For symmetry, you can now likewise write
WITH ADMIN TRUE or WITH ADMIN FALSE to turn ADMIN OPTION on or off.
If a GRANT does not specify WITH INHERIT, the behavior based on
whether the member role is marked INHERIT or NOINHERIT. This means
that if all roles are marked INHERIT or NOINHERIT before any role
grants are performed, the behavior is identical to what we had before;
otherwise, it's different, because ALTER ROLE [NO]INHERIT now only
changes the default behavior of future grants, and has no effect on
existing ones.
Patch by me. Reviewed and testing by Nathan Bossart and Tushar Ahuja,
with design-level comments from various others.
Discussion: http://postgr.es/m/CA+Tgmoa5Sf4PiWrfxA=sGzDKg0Ojo3dADw=wAHOhR9dggV=RmQ@mail.gmail.com
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Commit ce6b672e445 accidentally introduced a trivial typo in the
documentation for GRANT.
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Author: Shinya Kato
Discussion: https://postgr.es/m/76c01275776749a167f49379ebec57f1@oss.nttdata.com
Backpatch-through: 15, where that change was introduced
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On fast machines, it's possible for applications such as pgbench
to issue connection requests so quickly that the postmaster's
listen queue overflows in the kernel, resulting in unexpected
failures (with not-very-helpful error messages). Most modern OSes
allow the queue size to be increased, so document how to do that.
Per report from Kevin McKibbin.
Discussion: https://postgr.es/m/CADc_NKg2d+oZY9mg4DdQdoUcGzN2kOYXBu-3--RW_hEe0tUV=g@mail.gmail.com
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sysctl is more portable than Linux's /proc/sys file tree, and
often easier to use too. That's why most of our docs refer to
sysctl when talking about how to adjust kernel parameters.
Bring the few stragglers into line.
Discussion: https://postgr.es/m/361175.1661187463@sss.pgh.pa.us
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Previously, membership of role A in role B could be recorded in the
catalog tables only once. This meant that a new grant of role A to
role B would overwrite the previous grant. For other object types, a
new grant of permission on an object - in this case role A - exists
along side the existing grant provided that the grantor is different.
Either grant can be revoked independently of the other, and
permissions remain so long as at least one grant remains. Make role
grants work similarly.
Previously, when granting membership in a role, the superuser could
specify any role whatsoever as the grantor, but for other object types,
the grantor of record must be either the owner of the object, or a
role that currently has privileges to perform a similar GRANT.
Implement the same scheme for role grants, treating the bootstrap
superuser as the role owner since roles do not have owners. This means
that attempting to revoke a grant, or admin option on a grant, can now
fail if there are dependent privileges, and that CASCADE can be used
to revoke these. It also means that you can't grant ADMIN OPTION on
a role back to a user who granted it directly or indirectly to you,
similar to how you can't give WITH GRANT OPTION on a privilege back
to a role which granted it directly or indirectly to you.
Previously, only the superuser could specify GRANTED BY with a user
other than the current user. Relax that rule to allow the grantor
to be any role whose privileges the current user posseses. This
doesn't improve compatibility with what we do for other object types,
where support for GRANTED BY is entirely vestigial, but it makes this
feature more usable and seems to make sense to change at the same time
we're changing related behaviors.
Along the way, fix "ALTER GROUP group_name ADD USER user_name" to
require the same privileges as "GRANT group_name TO user_name".
Previously, CREATEROLE privileges were sufficient for either, but
only the former form was permissible with ADMIN OPTION on the role.
Now, either CREATEROLE or ADMIN OPTION on the role suffices for
either spelling.
Patch by me, reviewed by Stephen Frost.
Discussion: http://postgr.es/m/CA+TgmoaFr-RZeQ+WoQ5nKPv97oT9+aDgK_a5+qWHSgbDsMp1Vg@mail.gmail.com
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Perform some minor wordsmithing on two sentences in the COPY documentation
to make them clearer.
While there, also ensure to wrap a few occurrences of CSV in <literal>
which were missing this.
Reported-by: Eric Mutta <eric.mutta@gmail.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/166104548566.654.11680826843612576896@wrigleys.postgresql.org
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This commit adds or fixes markups used in a couple of places in the docs
(for <command>, <systemitem> and <literal>). While on it, this
clarifies some of the documentation added recently for archiving modules
with archive_command, that would still be used as default choice if no
external module is defined (though an archive module could as well use
an archive_command).
Author: Maxim Yablokov
Discussion: https://postgr.es/m/b47ec4e8-6f6a-2aba-038e-d5db150b245e@postgrespro.ru
Backpatch-through: 15
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Previously, "GRANT foo TO bar" or "GRANT foo TO bar GRANTED BY baz"
would record the OID of the grantor in pg_auth_members.grantor, but
that role could later be dropped without modifying or removing the
pg_auth_members record. That's not great, because we typically try
to avoid dangling references in catalog data.
Now, a role grant depends on the grantor, and the grantor can't be
dropped without removing the grant or changing the grantor. "DROP
OWNED BY" will remove the grant, just as it does for other kinds of
privileges. "REASSIGN OWNED BY" will not, again just like what we do
in other cases involving privileges.
pg_auth_members now has an OID column, because that is needed in order
for dependencies to work. It also now has an index on the grantor
column, because otherwise dropping a role would require a sequential
scan of the entire table to see whether the role's OID is in use as
a grantor. That probably wouldn't be too large a problem in practice,
but it seems better to have an index just in case.
A follow-on patch is planned with the goal of more thoroughly
rationalizing the behavior of role grants. This patch is just trying
to do enough to make sure that the data we store in the catalogs is at
some basic level valid.
Patch by me, reviewed by Stephen Frost
Discussion: http://postgr.es/m/CA+TgmoaFr-RZeQ+WoQ5nKPv97oT9+aDgK_a5+qWHSgbDsMp1Vg@mail.gmail.com
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The table column that stores this is of type oid, but is actually limited
to uint16 and has a different path for creating new values. Some of
the documentation already referred to it as an ID, so let's standardize
on that.
While at it, most format strings already use %u, so for consintency
change the remaining stragglers using %d.
Per suggestions from Tom Lane and Justin Pryzby
Discussion: https://www.postgresql.org/message-id/3437166.1659620465%40sss.pgh.pa.us
Backpatch to v15
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While PO files can be edited in any text editor, specialized tools for
translation editing can be quite helpful with automating tasks etc. Add
a small note about PO editors to encourage new translators to research
which tool works best for them.
Reviewed-by: Bruce Momjian <bruce@momjian.us>
Discussion: https://postgr.es/m/163490116698.684.10398197970578456928@wrigleys.postgresql.org
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While almost all occurrences of "case-insensitive{ly}" were spelled with
a dash, a few were using "case insensitive{ly}" with a space instead. Fix
by changing these to use a dash to be consistent.
Discussion: https://postgr.es/m/7657EDEE-5EE2-4AAB-BA95-47B4F71653E1@yesql.se
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pg_trgm is by default operating case-insensitively but the docs didn't
mention that at all.
Author: Erik Rijkers <er@xs4all.nl>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reported-by: marcmaiwald@googlemail.com
Discussion: https://postgr.es/m/166064504415.652.12724576876807446945@wrigleys.postgresql.org
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This event can happen when using SET ACCESS METHOD, as the data files of
the materialized need a full refresh but this command tag was not
updated to reflect that. The documentation is updated to track this
behavior.
Author: Onder Kalaci
Discussion: https://postgr.es/m/CACawEhXwHN3X34FiwoYG8vXR-oyUdrp7qcfRWSzS+NPahS5gSw@mail.gmail.com
Backpatch-through: 15
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The tty connection string parameter was removed in commit 14d9b3760
but the reference to it in the docs was mistakenly kept. Fix by
removing it from the libpq documentation. Backpatch through v14
where the parameter was removed.
Author: Noriyoshi Shinoda <noriyoshi.shinoda@hpe.com>
Discussion: https://postgr.es/m/DM4PR84MB173433216FCC2A3961879000EE6B9@DM4PR84MB1734.NAMPRD84.PROD.OUTLOOK.COM
Backpatch-through: 14
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The SIGINT keycombo for the pg_waldump stats emission was lacking a
closing parenthesis. Backpatch to 15 where this feature was added.
Discussion: https://postgr.es/m/EC39E60E-C8B6-4CDF-8BFA-E4D140446B41@yesql.se
Backpatch-through: 15
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In ref/create_sequence.sgml <literal> tag was used for nextval function name.
This should have been <function> tag.
Author: Noboru Saito
Discussion: https://postgr.es/m/CAAM3qnJTDFFfRf5JHJ4AYrNcqXgMmj0pbH0%2Bvm%3DYva%2BpJyGymA%40mail.gmail.com
Backpatch-through: 10
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The unit of size and allocated_size was not documented. Speciyfing the
unit is in line with how many other (but not all) system view attributes
are documented so fixing by adding the unit which is "bytes".
Author: Euler Taveira <euler@eulerto.com>
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Reported-by: coleman.rik@gmail.com
Discussion: https://postgr.es/m/166033703458.653.1583077816076994614@wrigleys.postgresql.org
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Since HAVE_UNIX_SOCKETS is now defined unconditionally, remove the macro
and drop a small amount of dead code.
The last known systems not to have them (as far as I know at least) were
QNX, which we de-supported years ago, and Windows, which now has them.
If a new OS ever shows up with the POSIX sockets API but without working
AF_UNIX, it'll presumably still be able to compile the code, and fail at
runtime with an unsupported address family error. We might want to
consider adding a HINT that you should turn off the option to use it if
your network stack doesn't support it at that point, but it doesn't seem
worth making the relevant code conditional at compile time.
Also adjust a couple of places in the docs and comments that referred to
builds without Unix-domain sockets, since there aren't any. Windows
still gets a special mention in those places, though, because we don't
try to use them by default there yet.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Discussion: https://postgr.es/m/CA%2BhUKG%2BL_3brvh%3D8e0BW_VfX9h7MtwgN%3DnFHP5o7X2oZucY9dg%40mail.gmail.com
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<sys/select.h> is in SUSv3 and every targeted Unix system has it.
Provide an empty header in src/include/port/win32 so that we can
include it unguarded even on Windows.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CA%2BhUKG%2BL_3brvh%3D8e0BW_VfX9h7MtwgN%3DnFHP5o7X2oZucY9dg%40mail.gmail.com
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Reported-by: Shinya Kato
Discussion: https://postgr.es/m/1ecdb1ff78e9b03dfce37e85eaca725a@oss.nttdata.com
Author: Shinya Kato
Backpatch-through: 10
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Reported-by: Jonathan S. Katz
Discussion: https://postgr.es/m/c59ffbd5-96ac-a5a5-a401-14f627ca1405@postgresql.org
Backpatch-through: 11
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Reported-by: Simon Riggs
Discussion: https://postgr.es/m/CANP8+jJESuuXYq9Djvf-+tx2vY2OFLmfEuu+UvwHNJ1RT7iJCQ@mail.gmail.com
Author: Simon Riggs
Backpatch-through: 10
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The use of file 'config.pl' was not clearly explained.
Reported-by: liambowen@gmail.com
Discussion: https://postgr.es/m/164246013804.31952.4958087335645367498@wrigleys.postgresql.org
Backpatch-through: 10
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Somehow this was in the syntax but had no description.
Reported-by: robertcorrington@gmail.com
Discussion: https://postgr.es/m/164228771825.31954.2719791849363756957@wrigleys.postgresql.org
Backpatch-through: 10
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Mention that the table is not modified if it already exists.
Reported-by: frank_limpert@yahoo.com
Discussion: https://postgr.es/m/164441177106.9677.5991676148704507229@wrigleys.postgresql.org
Backpatch-through: 10
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Reported-by: David G. Johnston
Discussion: https://postgr.es/m/CAKFQuwZ24UcfkoyLLSW3PMGQATomOcw1nuYFRuMev-NoOF+mYw@mail.gmail.com
Author: David G. Johnston
Backpatch-through: 14, partial to 13
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