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They have been fixed, so we don't need this text anymore. This reverts
commit 8b18ed6dfbb8.
Author: Mihail Nikalayeu <mihailnikalayeu@gmail.com>
Discussion: https://postgr.es/m/CADzfLwWo+FV9WSeOah9F1r=4haa6eay1hNvYYy_WfziJeK+aLQ@mail.gmail.com
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Introduce a new column, slotsync_skip_reason, in the pg_replication_slots
view. This column records the reason why the last slot synchronization was
skipped. It is primarily relevant for logical replication slots on standby
servers where the 'synced' field is true. The value is NULL when
synchronization succeeds.
Author: Shlok Kyal <shlok.kyal.oss@gmail.com>
Reviewed-by: shveta malik <shveta.malik@gmail.com>
Reviewed-by: Hayato Kuroda <kuroda.hayato@fujitsu.com>
Reviewed-by: Ashutosh Sharma <ashu.coek88@gmail.com>
Reviewed-by: Hou Zhijie <houzj.fnst@fujitsu.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CAE9k0PkhfKrTEAsGz4DjOhEj1nQ+hbQVfvWUxNacD38ibW3a1g@mail.gmail.com
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This commit introduces three new functions for marking shared buffers as
dirty by using the functions introduced in 9660906dbd69:
* pg_buffercache_mark_dirty() for one shared buffer.
- pg_buffercache_mark_dirt_relation() for all the shared buffers in a
relation.
* pg_buffercache_mark_dirty_all() for all the shared buffers in pool.
The "_all" and "_relation" flavors are designed to address the
inefficiency of repeatedly calling pg_buffercache_mark_dirty() for each
individual buffer, which can be time-consuming when dealing with with
large shared buffers pool.
These functions are intended as developer tools and are available only
to superusers. There is no need to bump the version of pg_buffercache,
4b203d499c61 having done this job in this release cycle.
Author: Nazir Bilal Yavuz <byavuz81@gmail.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Aidar Imamov <a.imamov@postgrespro.ru>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Reviewed-by: Joseph Koshakow <koshy44@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Yuhang Qiu <iamqyh@gmail.com>
Reviewed-by: Xuneng Zhou <xunengzhou@gmail.com>
Discussion: https://postgr.es/m/CAN55FZ0h_YoSqqutxV6DES1RW8ig6wcA8CR9rJk358YRMxZFmw@mail.gmail.com
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Issue noticed while looking at this area of the documentation, for a
different patch. This is a matter of style, so no backpatch is done.
Discussion: https://postgr.es/m/CAN55FZ0h_YoSqqutxV6DES1RW8ig6wcA8CR9rJk358YRMxZFmw@mail.gmail.com
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The documentation for CREATE/ALTER PUBLICATION previously showed:
[ ONLY ] table_name [ * ] [ ( column_name [, ... ] ) ] [ WHERE ( expression ) ] [, ... ]
to indicate that the table/column specification could be repeated.
However, placing [, ... ] directly after a multi-part construct was
misleading and made it unclear which portion was repeatable.
This commit introduces a new term, table_and_columns, to represent:
[ ONLY ] table_name [ * ] [ ( column_name [, ... ] ) ] [ WHERE ( expression ) ]
and updates the synopsis to use:
table_and_columns [, ... ]
which clearly identifies the repeatable element.
Backpatched to v15, where the misleading syntax was introduced.
Author: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: Chao Li <lic@highgo.com>
Reviewed-by: Fujii Masao <masao.fujii@gmail.com>
Discussion: https://postgr.es/m/CAHut+PtsyvYL3KmA6C8f0ZpXQ=7FEqQtETVy-BOF+cm9WPvfMQ@mail.gmail.com
Backpatch-through: 15
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Reported-by: Erik Rijkers <er@xs4all.nl>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: https://postgr.es/m/7596672c-43e8-a030-0850-2dd09af98cac@xs4all.nl
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In v14, bb437f995 added support for scanning for ranges of TIDs using a
dedicated executor node for the purpose. Here, we allow these scans to
be parallelized. The range of blocks to scan is divvied up similarly to
how a Parallel Seq Scans does that, where 'chunks' of blocks are
allocated to each worker and the size of those chunks is slowly reduced
down to 1 block per worker by the time we're nearing the end of the
scan. Doing that means workers finish at roughly the same time.
Allowing TID Range Scans to be parallelized removes the dilemma from the
planner as to whether a Parallel Seq Scan will cost less than a
non-parallel TID Range Scan due to the CPU concurrency of the Seq Scan
(disk costs are not divided by the number of workers). It was possible
the planner could choose the Parallel Seq Scan which would result in
reading additional blocks during execution than the TID Scan would have.
Allowing Parallel TID Range Scans removes the trade-off the planner
makes when choosing between reduced CPU costs due to parallelism vs
additional I/O from the Parallel Seq Scan due to it scanning blocks from
outside of the required TID range. There is also, of course, the
traditional parallelism performance benefits to be gained as well, which
likely doesn't need to be explained here.
Author: Cary Huang <cary.huang@highgo.ca>
Author: David Rowley <dgrowleyml@gmail.com>
Reviewed-by: Junwang Zhao <zhjwpku@gmail.com>
Reviewed-by: Rafia Sabih <rafia.pghackers@gmail.com>
Reviewed-by: Steven Niu <niushiji@gmail.com>
Discussion: https://postgr.es/m/18f2c002a24.11bc2ab825151706.3749144144619388582@highgo.ca
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There is no straightforward way to determine if a cluster is running
in EXEC_BACKEND mode or not, which is useful for tests to know. This
adds a GUC debug_exec_backend similar to debug_assertions which will
be true when the server is running in EXEC_BACKEND mode.
Author: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Reviewed-by: Álvaro Herrera <alvherre@kurilemu.de>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/5F301096-921A-427D-8EC1-EBAEC2A35082@yesql.se
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When running on Windows (or EXEC_BACKEND) the SSL configuration will
be reloaded on each backend start, so the passphrase command will be
reloaded along with it. This implies that passphrase command reload
must be enabled on Windows for connections to work at all. Document
this since it wasn't mentioned explicitly, and will there add markup
for parameter value to match the rest of the docs.
Backpatch to all supported versions.
Author: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Reviewed-by: Álvaro Herrera <alvherre@kurilemu.de>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/5F301096-921A-427D-8EC1-EBAEC2A35082@yesql.se
Backpatch-through: 14
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This patch adds two new columns to the pg_stat_replication_slots view:
slotsync_skip_count - the total number of times a slotsync operation was
skipped.
slotsync_skip_at - the timestamp of the most recent skip.
These additions provide better visibility into replication slot
synchronization behavior.
A future patch will introduce the slotsync_skip_reason column in
pg_replication_slots to capture the reason for skip.
Author: Shlok Kyal <shlok.kyal.oss@gmail.com>
Reviewed-by: shveta malik <shveta.malik@gmail.com>
Reviewed-by: Hayato Kuroda <kuroda.hayato@fujitsu.com>
Reviewed-by: Ashutosh Sharma <ashu.coek88@gmail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CAE9k0PkhfKrTEAsGz4DjOhEj1nQ+hbQVfvWUxNacD38ibW3a1g@mail.gmail.com
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ba2a3c2302f has added a way to check if a buffer is spread across
multiple pages with some NUMA information, via a new view
pg_buffercache_numa that depends on pg_buffercache_numa_pages(), a SQL
function. These can only be queried when support for libnuma exists,
generating an error if not.
However, it can be useful to know how shared buffers and OS pages map
when NUMA is not supported or not available. This commit expands the
capabilities around pg_buffercache_numa:
- pg_buffercache_numa_pages() is refactored as an internal function,
able to optionally process NUMA. Its SQL definition prior to this
commit is still around to ensure backward-compatibility with v1.6.
- A SQL function called pg_buffercache_os_pages() is added, able to work
with or without NUMA.
- The view pg_buffercache_numa is redefined to use
pg_buffercache_os_pages().
- A new view is added, called pg_buffercache_os_pages. This ignores
NUMA for its result processing, for a better efficiency.
The implementation is done so as there is no code duplication between
the NUMA and non-NUMA views/functions, relying on one internal function
that does the job for all of them. The module is bumped to v1.7.
Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Reviewed-by: Mircea Cadariu <cadariu.mircea@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/Z/fFA2heH6lpSLlt@ip-10-97-1-34.eu-west-3.compute.internal
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This request allows a support function to replace a function call
appearing in FROM (typically a set-returning function) with an
equivalent SELECT subquery. The subquery will then be subject
to the planner's usual optimizations, potentially allowing a much
better plan to be generated. While the planner has long done this
automatically for simple SQL-language functions, it's now possible
for extensions to do it for functions outside that group.
Notably, this could be useful for functions that are presently
implemented in PL/pgSQL and work by generating and then EXECUTE'ing
a SQL query.
Author: Paul A Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/09de6afa-c33d-4d94-a5cb-afc6cea0d2bb@illuminatedcomputing.com
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The existing range_minus function raises an exception when the range is
"split", because then the result can't be represented by a single range.
For example '[0,10)'::int4range - '[4,5)' would be '[0,4)' and '[5,10)'.
This commit adds new set-returning functions so that callers can get
results even in the case of splits. There is no risk of an exception for
multiranges, but a set-returning function lets us handle them the same
way we handle ranges.
Both functions return zero results if the subtraction would give an
empty range/multirange.
The main use-case for these functions is to implement UPDATE/DELETE FOR
PORTION OF, which must compute the application-time of "temporal
leftovers": the part of history in an updated/deleted row that was not
changed. To preserve the untouched history, we will implicitly insert
one record for each result returned by range/multirange_minus_multi.
Using a set-returning function will also let us support user-defined
types for application-time update/delete in the future.
Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/ec498c3d-5f2b-48ec-b989-5561c8aa2024%40illuminatedcomputing.com
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Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
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A set of wording improvements and spelling fixes.
Author: Oleg Sibiryakov <o.sibiryakov@postgrespro.ru>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/e62bedb5-c26f-4d37-b4ed-ce9b55f1e980@postgrespro.ru
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This patch was originally submitted a year ago, but never
ended up getting committed. It was later brought up again
on a recent thread on the same subject.
Original patch by Paul A Jungwirth with some wordsmithing
by me based on the review from the original thread.
Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Viktor Holmberg <v@viktorh.net>
Reviewed-by: Nazir Bilal Yavuz <byavuz81@gmail.com>
Discussion: https://postgr.es/m/CA+renyXB5jYG9r5-CaDc4g607EB398QwTk_efEXTzarrO8bPzw@mail.gmail.com
Discussion: https://postgr.es/m/CACJufxHOcmeTkoh2CxFHKv9GRnp9sLVzN=LZhqTgvqT++PXZNQ@mail.gmail.com
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Commit 792353f7d52 updated the pg_dump and pg_dumpall documentation to
clarify which statistics are not included in their output. The pg_upgrade
documentation contained a nearly identical description, but it was not updated
at the same time.
This commit updates the pg_upgrade documentation to match those changes.
Backpatch to v18, where commit 792353f7d52 was backpatched to.
Author: Fujii Masao <masao.fujii@gmail.com>
Reviewed-by: Bruce Momjian <bruce@momjian.us>
Discussion: https://postgr.es/m/CAHGQGwFnfgdGz8aGWVzgFCFwoWQU7KnFFjmxinf4RkQAkzmR+w@mail.gmail.com
Backpatch-through: 18
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Oversight in commit 06eae9e621.
Reviewed-by: Melanie Plageman <melanieplageman@gmail.com>
Discussion: https://postgr.es/m/aRODeqFUVkGDJSPP%40nathan
Backpatch-through: 18
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Extracted from a larger patch by the same author.
Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://postgr.es/m/Z/fFA2heH6lpSLlt@ip-10-97-1-34.eu-west-3.compute.internal
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This patch renames the sync_error_count column to sync_table_error_count
in the pg_stat_subscription_stats view. The new name makes the purpose
explicit now that a separate column exists to track sequence
synchronization errors.
Additionally, the column seq_sync_error_count is renamed to
sync_seq_error_count to maintain a consistent naming pattern, making it
easier for users to group, and query synchronization related counters.
Author: Vignesh C <vignesh21@gmail.com>
Reviewed-by: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: https://postgr.es/m/CALDaNm3WwJmz=-4ybTkhniB-Nf3qmFG9Zx1uKjyLLoPF5NYYXA@mail.gmail.com
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Following commit 980a855c5c, update documentation to use <structfield> for
sequence columns. Previously, these were incorrectly marked up as <literal>.
Author: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: https://postgr.es/m/CAHut+PtpDMUE3Kd1p=1ff9pw2HMbgQCpowE_0Hd6gs5v2pKfQg@mail.gmail.com
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Reported-by: Rambabu V
Author: Robert Treat
Discussion: https://postgr.es/m/CADtiZxrUzRRX6edyN2y-7U5HA8KSXttee7K=EFTLXjwG1SCE4A@mail.gmail.com
Backpatch-through: 18
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The documentation did not previously mention the default values for
the --fsync-interval and --plugin options, even though pg_recvlogical --help
shows them. This omission made it harder for users to understand
the tool's behavior from the documentation alone.
This commit adds the missing default value descriptions for both options
to the pg_recvlogical documentation.
Author: Fujii Masao <masao.fujii@gmail.com>
Reviewed-by: Laurenz Albe <laurenz.albe@cybertec.at>
Discussion: https://postgr.es/m/CAHGQGwFqssPBjkWMFofGq32e_tANOeWN-cM=6biAP3nnFUXMRw@mail.gmail.com
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The existing format of pg_dependencies uses a single-object JSON
structure, with each key value embedding all the knowledge about the
set attributes tracked, like:
{"1 => 5": 1.000000, "5 => 1": 0.423130}
While this is a very compact format, it is confusing to read and it is
difficult to manipulate the values within the object, particularly when
tracking multiple attributes.
The new output format introduced in this commit is a JSON array of
objects, with:
- A key named "degree", with a float value.
- A key named "attributes", with an array of attribute numbers.
- A key named "dependency", with an attribute number.
The values use the same underlying type as previously when printed, with
a new output format that shows now as follows:
[{"degree": 1.000000, "attributes": [1], "dependency": 5},
{"degree": 0.423130, "attributes": [5], "dependency": 1}]
This new format will become handy for a follow-up set of changes, so as
it becomes possible to inject extended statistics rather than require an
ANALYZE, like in a dump/restore sequence or after pg_upgrade on a new
cluster.
This format has been suggested by Tomas Vondra. The key names are
defined in the header introduced by 1f927cce4498, to ease the
integration of frontend-specific changes that are still under
discussion. (Again a personal note: if anybody comes up with better
name for the keys, of course feel free.)
The bulk of the changes come from the regression tests, where
jsonb_pretty() is now used to make the outputs generated easier to
parse.
Author: Corey Huinker <corey.huinker@gmail.com>
Reviewed-by: Jian He <jian.universality@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/CADkLM=dpz3KFnqP-dgJ-zvRvtjsa8UZv8wDAQdqho=qN3kX0Zg@mail.gmail.com
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The existing format of pg_ndistinct uses a single-object JSON structure
where each key is itself a comma-separated list of attnums, like:
{"3, 4": 11, "3, 6": 11, "4, 6": 11, "3, 4, 6": 11}
While this is a very compact format, it is confusing to read and it is
difficult to manipulate the values within the object.
The new output format introduced in this commit is an array of objects,
with:
- A key named "attributes", that contains an array of attribute numbers.
- A key named "ndistinct", represented as an integer.
The values use the same underlying type as previously when printed, with
a new output format that shows now as follows:
[{"ndistinct": 11, "attributes": [3,4]},
{"ndistinct": 11, "attributes": [3,6]},
{"ndistinct": 11, "attributes": [4,6]},
{"ndistinct": 11, "attributes": [3,4,6]}]
This new format will become handy for a follow-up set of changes, so as
it becomes possible to inject extended statistics rather than require an
ANALYZE, like in a dump/restore sequence or after pg_upgrade on a new
cluster.
This format has been suggested by Tomas Vondra. The key names are
defined in a new header, to ease with the integration of
frontend-specific changes that are still under discussion. (Personal
note: I am not specifically wedded to these key names, but if there are
better name suggestions for this release, feel free.)
The bulk of the changes come from the regression tests, where
jsonb_pretty() is now used to make the outputs generated easier to
parse.
Author: Corey Huinker <corey.huinker@gmail.com>
Reviewed-by: Jian He <jian.universality@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/CADkLM=dpz3KFnqP-dgJ-zvRvtjsa8UZv8wDAQdqho=qN3kX0Zg@mail.gmail.com
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Backpatch to 15, where MERGE was introduced.
Reported-by: <emorgunov@mail.ru>
Author: David Rowley <dgrowleyml@gmail.com>
Discussion: https://postgr.es/m/176278494385.770.15550176063450771532@wrigleys.postgresql.org
Backpatch-through: 15
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Previously it only mentioned WAL retention.
Discussion: https://postgr.es/m/pexmenhqptw5h4ma4qasz3cvjtynivxprqifgghdjtmkxdig2g@djg7bk2p6pts
Backpatch-through: master
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Path expansion might expose characters like spaces which would cause
command failure, so double-quote the examples. While %f doesn't need
quoting since it uses a fixed character set, it is best to be
consistent.
Discussion: https://postgr.es/m/aROPCQCfvKp9Htk4@momjian.us
Backpatch-through: master
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The slots are just LSN markers, not something to receive from.
Backpatch-through: master
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In the spirit of commit 78ee60ed84bb.
Author: jian he <jian.universality@gmail.com>
Discussion: https://postgr.es/m/CACJufxFsPXCwSVR+_vScZ3bysh4-dpE19iVyeta30uNHwnwnSw@mail.gmail.com
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This reverts commit 1fd981f05369, based on concerns that the logging
improvements do not justify the protocol breakage of dropping an unnamed
portal once its execution has completed.
It seems unlikely that one would try to send an execute or describe
message after the portal has been used, but if they do such
post-completion messages would not be able to process as the previous
versions. Let's revert this change for now so as we keep compatibility
and consider a different solution.
The tests added by 76bba033128a track the pre-1fd981f05369 behavior, and
are still valid.
Discussion: https://postgr.es/m/CA+TgmoYFJyJNQw3RT7veO3M2BWRE9Aw4hprC5rOcawHZti-f8g@mail.gmail.com
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Much of the "Replication Slot" chapter applies to physical and logical
slots, but it was sloppy in mentioning mostly physical slots. This
patch clarified which parts of the text apply to which slot types.
This chapter is referenced from the logical slot/subscriber chapter, so
it needs to do double duty.
Backpatch-through: master
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Also mention that logical replication slots are created by default when
subscriptions are created. This should clarify the text.
Backpatch-through: master
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Previously it was not clear that "physical" replication slots were being
discussed, and that they needed to be created on the primary and not the
standby.
Backpatch-through: master
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The previous ordering was hard to understand and remember. Also adjust
wording to be more consistent with surrounding items.
Backpatch-through: master
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On the CREATE POLICY page, the "Policies Applied by Command Type"
table was missing MERGE ... THEN DELETE and some of the policies
applied during INSERT ... ON CONFLICT and MERGE. Fix that, and try to
improve readability by listing the various MERGE cases separately,
rather than together with INSERT/UPDATE/DELETE. Mention COPY ... TO
along with SELECT, since it behaves in the same way. In addition,
document which policy violations cause errors to be thrown, and which
just cause rows to be silently ignored.
Also, a paragraph above the table states that INSERT ... ON CONFLICT
DO UPDATE only checks the WITH CHECK expressions of INSERT policies
for rows appended to the relation by the INSERT path, which is
incorrect -- all rows proposed for insertion are checked, regardless
of whether they end up being inserted. Fix that, and also mention that
the same applies to INSERT ... ON CONFLICT DO NOTHING.
In addition, in various other places on that page, clarify how the
different types of policy are applied to different commands, and
whether or not errors are thrown when policy checks do not pass.
Backpatch to all supported versions. Prior to v17, MERGE did not
support RETURNING, and so MERGE ... THEN INSERT would never check new
rows against SELECT policies. Prior to v15, MERGE was not supported at
all.
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Reviewed-by: Viktor Holmberg <v@viktorh.net>
Reviewed-by: Jian He <jian.universality@gmail.com>
Discussion: https://postgr.es/m/CAEZATCWqnfeChjK=n1V_dYZT4rt4mnq+ybf9c0qXDYTVMsy8pg@mail.gmail.com
Backpatch-through: 14
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Explicitly document that privileges are transferred along with the
ownership. Backpatch to all supported versions since this behavior
has always been present.
Author: Laurenz Albe <laurenz.albe@cybertec.at>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: David G. Johnston <david.g.johnston@gmail.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Josef Šimánek <josef.simanek@gmail.com>
Reported-by: Gilles Parc <gparc@free.fr>
Discussion: https://postgr.es/m/2023185982.281851219.1646733038464.JavaMail.root@zimbra15-e2.priv.proxad.net
Backpatch-through: 14
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Add documentation describing sequence synchronization support in logical
replication. It explains how sequence changes are synchronized from the
publisher to the subscriber, the configuration requirements, and provide
examples illustrating setup and usage.
Additionally, document the pg_get_sequence_data() function, which allows
users to query sequence details on the publisher to determine when to
refresh corresponding sequences on the subscriber.
Author: Vignesh C <vignesh21@gmail.com>
Reviewed-by: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: shveta malik <shveta.malik@gmail.com>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CAA4eK1LC+KJiAkSrpE_NwvNdidw9F2os7GERUeSxSKv71gXysQ@mail.gmail.com
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The synopsis for the ALTER PUBLICATION ... DROP ... command incorrectly
implied that a column list and WHERE clause could be specified as part of
the publication object. However, these options are not allowed for
DROP operations, making the documentation misleading.
This commit corrects the synopsis to clearly show only the valid forms
of publication objects.
Backpatched to v15, where the incorrect synopsis was introduced.
Author: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: Fujii Masao <masao.fujii@gmail.com>
Discussion: https://postgr.es/m/CAHut+PsPu+47Q7b0o6h1r-qSt90U3zgbAHMHUag5o5E1Lo+=uw@mail.gmail.com
Backpatch-through: 15
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Per 49d43faa8. These ones were missed.
Reported-by: jian he <jian.universality@gmail.com>
Author: Erik Wienhold <ewie@ewie.name>
Discussion: https://postgr.es/m/CACJufxG5UaQtoYFQKdMCYjpz_5Kggvdgm1gVEW4sNEa_W__FKA@mail.gmail.com
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Previously "literal" and "classname" were used, inconsistently, for
SQL table and column names.
Reported-by: Peter Smith
Author: Peter Smith
Discussion: https://postgr.es/m/CAHut+Pvtf24r+bdPgBind84dBLPvgNL7aB+=HxAUupdPuo2gRg@mail.gmail.com
Backpatch-through: master
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Reported-by: Daisuke Higuchi
Author: Daisuke Higuchi, Erik Wienhold
Reviewed-by: Erik Wienhold
Discussion: https://postgr.es/m/CAEVT6c9FRQcFCzQ8AO=QoeQNA-w6RhTkfOUHzY6N2xD5YnBxhg@mail.gmail.com
Backpatch-through: master
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The documentation stated that the directory specified by --file
must not exist, but pg_dump does allow for empty directories to
be specified and used.
Author: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Bruce Momjian <bruce@momjian.us>
Discussion: https://postgr.es/m/534AA60D-CF6B-432F-9882-E9737B33D1B7@gmail.com
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This commit adds the --continue-on-error option, allowing pgbench clients
to continue running even when SQL statements fail for reasons other than
serialization or deadlock errors. Without this option (by default),
the clients aborts in such cases, which was the only available behavior
previously.
This option is useful for benchmarks using custom scripts that may
raise errors, such as unique constraint violations, where users want
pgbench to complete the run despite individual statement failures.
Author: Rintaro Ikeda <ikedarintarof@oss.nttdata.com>
Co-authored-by: Yugo Nagata <nagata@sraoss.co.jp>
Co-authored-by: Fujii Masao <masao.fujii@gmail.com>
Reviewed-by: Stepan Neretin <slpmcf@gmail.com>
Reviewed-by: Matthias van de Meent <boekewurm+postgres@gmail.com>
Reviewed-by: Dilip Kumar <dilipbalaut@gmail.com>
Reviewed-by: Srinath Reddy Sadipiralla <srinath2133@gmail.com>
Reviewed-by: Hayato Kuroda <kuroda.hayato@fujitsu.com>
Reviewed-by: Anthonin Bonnefoy <anthonin.bonnefoy@datadoghq.com>
Reviewed-by: Chao Li <lic@highgo.com>
Discussion: https://postgr.es/m/44334231a4d214fac382a69cceb7d9fc@oss.nttdata.com
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This commit adds a new column, seq_sync_error_count, to the
pg_stat_subscription_stats view. This counter tracks the number of errors
encountered by the sequence synchronization worker during operation.
Since a single worker handles the synchronization of all sequences, this
value may reflect errors from multiple sequences. This addition improves
observability of sequence synchronization behavior and helps monitor
potential issues during replication.
Author: Vignesh C <vignesh21@gmail.com>
Reviewed-by: shveta malik <shveta.malik@gmail.com>
Reviewed-by: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CAA4eK1LC+KJiAkSrpE_NwvNdidw9F2os7GERUeSxSKv71gXysQ@mail.gmail.com
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The following parameters can only be set at server start because
their context is PGC_POSTMASTER, but this information was missing
or incorrectly documented. This commit adds or corrects
that information for the following parameters:
* debug_io_direct
* dynamic_shared_memory_type
* event_source
* huge_pages
* io_max_combine_limit
* max_notify_queue_pages
* shared_memory_type
* track_commit_timestamp
* wal_decode_buffer_size
Backpatched to all supported branches.
Author: Karina Litskevich <litskevichkarina@gmail.com>
Reviewed-by: Chao Li <lic@highgo.com>
Reviewed-by: Fujii Masao <masao.fujii@gmail.com>
Discussion: https://postgr.es/m/CAHGQGwGfPzcin-_6XwPgVbWTOUFVZgHF5g9ROrwLUdCTfjy=0A@mail.gmail.com
Backpatch-through: 13
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If these parameters are set without units, the values are interpreted
as blocks. This detail was previously missing from the documentation,
so this commit adds it.
Backpatch to v17 where io_combine_limit was added.
Author: Karina Litskevich <litskevichkarina@gmail.com>
Reviewed-by: Chao Li <lic@highgo.com>
Reviewed-by: Xuneng Zhou <xunengzhou@gmail.com>
Reviewed-by: Fujii Masao <masao.fujii@gmail.com>
Discussion: https://postgr.es/m/CACiT8iZCDkz1bNYQNQyvGhXWJExSnJULRTYT894u4-Ti7Yh6jw@mail.gmail.com
Backpatch-through: 17
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Use uppercase SQL keywords consistently throughout the documentation to
ease reading. Also add whitespace in a couple of places where it
improves readability.
Author: Erik Wienhold <ewie@ewie.name>
Reviewed-by: David Rowley <dgrowleyml@gmail.com>
Discussion: https://postgr.es/m/82eb512b-8ed2-46be-b311-54ffd26978c4%40ewie.name
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This section introduces temporal tables, with a focus on Application
Time (which we support) and only a brief mention of System Time (which
we don't). It covers temporal primary keys, unique constraints, and
temporal foreign keys. We will document temporal update/delete and
periods as we add those features.
This commit also adds glossary entries for temporal table, application
time, and system time.
Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/flat/ec498c3d-5f2b-48ec-b989-5561c8aa2024@illuminatedcomputing.com
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WAIT FOR is to be used on standby and specifies waiting for
the specific WAL location to be replayed. This option is useful when
the user makes some data changes on primary and needs a guarantee to see
these changes are on standby.
WAIT FOR needs to wait without any snapshot held. Otherwise, the snapshot
could prevent the replay of WAL records, implying a kind of self-deadlock.
This is why separate utility command seems appears to be the most robust
way to implement this functionality. It's not possible to implement this as
a function. Previous experience shows that stored procedures also have
limitation in this aspect.
Discussion: https://www.postgresql.org/message-id/flat/CAPpHfdsjtZLVzxjGT8rJHCYbM0D5dwkO+BBjcirozJ6nYbOW8Q@mail.gmail.com
Discussion: https://www.postgresql.org/message-id/flat/CABPTF7UNft368x-RgOXkfj475OwEbp%2BVVO-wEXz7StgjD_%3D6sw%40mail.gmail.com
Author: Kartyshov Ivan <i.kartyshov@postgrespro.ru>
Author: Alexander Korotkov <aekorotkov@gmail.com>
Author: Xuneng Zhou <xunengzhou@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Reviewed-by: Dilip Kumar <dilipbalaut@gmail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Reviewed-by: Alexander Lakhin <exclusion@gmail.com>
Reviewed-by: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>
Reviewed-by: Euler Taveira <euler@eulerto.com>
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Reviewed-by: jian he <jian.universality@gmail.com>
Reviewed-by: Álvaro Herrera <alvherre@kurilemu.de>
Reviewed-by: Xuneng Zhou <xunengzhou@gmail.com>
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