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The test output varies when debug_discard_caches is enabled,
because that causes extra executions of recomputeNamespacePath.
Maybe putting a hook in that was a bad idea, but as a stopgap,
just turn off debug_discard_caches in this test.
Per buildfarm (now that we have debug_discard_caches coverage
again). Back-patch to v15 where this module was added.
Discussion: https://postgr.es/m/2267406.1668804934@sss.pgh.pa.us
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basics.source is supposed to be pretty closely in step with
the examples in chapter 2 of the tutorial, but I forgot to
update it in commit f05a5e000. Fix that, and adjust a couple
of other discrepancies that had crept in over time.
(I notice that advanced.source is nowhere near being in sync
with chapter 3, but I lack the ambition to do something
about that right now.)
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Version strings with unequal numbers of parts were being compared
incorrectly. We cure this by treating a missing part in the shorter
version as 0.
per complaint from Jehan-Guillaume de Rorthais, but the fix is mine, not
his.
Discussion: https://postgr.es/m/20220628225325.53d97b8d@karst
Backpatch to release 14 where this code was introduced.
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Reporting tuples for which nothing is done is useless and goes against
the documented behavior, so don't do it.
Backpatch to 15.
Reported by: Luca Ferrari
Discussion: https://postgr.es/m/CAKoxK+42MmACUh6s8XzASQKizbzrtOGA6G1UjzCP75NcXHsiNw@mail.gmail.com
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This restores compatibility with the not-yet-released successor of
version 20220807.0. Back-patch to 9.4, which introduced this code.
Reviewed by Andrew Dunstan.
Discussion: https://postgr.es/m/20221117061805.GA4020280@rfd.leadboat.com
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This commend references a struct that disappeared before MERGE was
merged ... and ExecDelete is not called by the committed MERGE anyway.
Revert to the original wording.
Backpatch to 15
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UPDATE was listed twice and DELETE was omitted, replace one UPDATE
with DELETE instead.
Backpatch through v15 where MERGE was added.
Author: Myo Wai Thant <myo.waithant@fujitsu.com>
Reviewed-by: Richard Guo <guofenglinux@gmail.com>
Discussion: https://postgr.es/m/OSAPR01MB43247E46931E9E9CFC4AA0F29A079@OSAPR01MB4324.jpnprd01.prod.outlook.com
Backpatch-through: 15
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During XLOG_HASH_SPLIT_ALLOCATE_PAGE replay, we were checking for a
cleanup lock on the new bucket page after acquiring an exclusive lock on
it and raising a PANIC error on failure. However, it is quite possible
that checkpointer can acquire the pin on the same page before acquiring a
lock on it, and then the replay will lead to an error. So instead, directly
acquire the cleanup lock on the new bucket page during
XLOG_HASH_SPLIT_ALLOCATE_PAGE replay operation.
Reported-by: Andres Freund
Author: Robert Haas
Reviewed-By: Amit Kapila, Andres Freund, Vignesh C
Backpatch-through: 11
Discussion: https://postgr.es/m/20220810022617.fvjkjiauaykwrbse@awork3.anarazel.de
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This column is new in v16, but it was listed in the v15 docs too
via a back-patching fumble.
Per report from Peter Gigowski; diagnosis by Julien Rouhaud.
Discussion: https://postgr.es/m/CAM7cJ6XY_PAmx0kGn6U307EKZ+qXDFEBH27WP87-_ygetnBuxQ@mail.gmail.com
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The current code looks for the sample file in the source directory, but
it seems better to test against the installed sample file.
Backpatch to release 15 where the test was introduced.
Discussion: https://postgr.es/m/73eea68e-3b6f-5f63-6024-25ed26b52016@dunslane.net
Reviewed by Tom Lane, Alvaro Herrera, Michael Paquier.
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Currently this only allows for one argument, which must be present, and
always returns a single string. With this change the following now all
work:
$all_config = $node->config_data;
%config_map = ($node->config_data);
$incdir = $node->config_data('--include-dir');
($incdir, $sharedir) = $node->config_data(
qw(--include-dir --share-dir));
Backpatch to release 15 where this was introduced.
Discussion: https://postgr.es/m/73eea68e-3b6f-5f63-6024-25ed26b52016@dunslane.net
Reviewed by Tom Lane, Alvaro Herrera, Michael Paquier.
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Test files should now ignore has_wal_read_bug() so long as
wait_for_catchup() is their only known way of reaching the bug. That's
at least five files today, a number expected to grow over time. This
commit removes skip logic from three. By doing so, systems having the
bug regain the ability to catch other kinds of defects via those three
tests. The other two, 002_databases.pl and 031_recovery_conflict.pl,
have been unprotected. Back-patch to v15, where done_testing() first
became our standard.
Discussion: https://postgr.es/m/20221030031639.GA3082137@rfd.leadboat.com
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The original report was concerned with a possible inconsistency
between the heap and the visibility map, which I was unable to
confirm. The concern has been retracted.
However, there did seem to be a torn page hazard when using
checksums. By not setting the heap page LSN during redo, the
protections of minRecoveryPoint were bypassed. Fixed, along with a
misleading comment.
It may have been impossible to hit this problem in practice, because
it would require a page tear between the checksum and the flags, so I
am marking this as a theoretical risk. But, as discussed, it did
violate expectations about the page LSN, so it may have other
consequences.
Backpatch to all supported versions.
Reported-by: Konstantin Knizhnik
Reviewed-by: Konstantin Knizhnik
Discussion: https://postgr.es/m/fed17dac-8cb8-4f5b-d462-1bb4908c029e@garret.ru
Backpatch-through: 11
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The stanza "SET STORAGE may need to add a TOAST table" does not
test what it's supposed to, and hasn't done so since we added
the ability to store constant column default values as metadata.
We need to use a non-constant default to get the expected table
rewrite to actually happen.
Fix that, and add the missing checks that would have exposed the
problem to begin with.
Noted while reviewing a patch that made changes in this test case.
Back-patch to v11 where the problem came in.
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In commit 450ee7012 I supposed that all platforms we now care about have
snprintf(), since that's required by C99. Turns out that Microsoft did
not get around to adding that until VS2015. We've dropped support for
VS2013 as of HEAD (cf 6203583b7), but not in the back branches, so add
a hack for this in the back branches only.
There's no easy shortcut to an exact emulation of standard snprintf
in VS2013, but fortunately we don't need one: this code was just fine
with using sprintf before 450ee7012, so we can make it do so again
on that platform (and any others where the problem might crop up).
Per bug #17681 from Daisuke Higuchi. Back-patch to v12, like the
previous patch.
Discussion: https://postgr.es/m/17681-485ba2ec13e7f392@postgresql.org
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The comments atop seem to indicate that we always accumulate invalidation
messages in a top-level transaction which is neither required nor matches
with the code.
Author: Amit Kapila
Reviewd by: Masahiko Sawada
Backpatch-through: 14, where it was introduced in commit c55040ccd0
Discussion: https://postgr.es/m/CAA4eK1LxGgnUroPz8STb6OfjVU1yaHoSA+T63URwmGCLdMJ0LA@mail.gmail.com
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sync_handler was not mentioned in the comment block of the function.
Oversight in dee663f.
Author: Aleksander Alekseev
Discussion: https://postgr.es/m/CAJ7c6TPUd9BwNY47TtMxaijLHSbyHNdhu=kvbGnvO_bi+oC6_Q@mail.gmail.com
Backpatch-through: 14
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Replace the stopgap fix I made in 0e758ae89 with a cleaner one.
The real problem with 4ab5dae94 is that it contorted this function's
logic substantially, by introducing a third code path that required
different behavior in the function's main loop. That seems quite
unnecessary on closer inspection: the new IsBinaryUpgrade case can
just share the behavior of the other immediate-unlink cases. Hence,
revert 4ab5dae94 and most of 0e758ae89 (keeping the latter's
save/restore errno fix), and add IsBinaryUpgrade to the set of
conditions tested to choose immediate unlink.
Also fix some additional places with sloppy handling of errno,
to ensure we have an invariant that we always continue processing
after any non-ENOENT failure of do_truncate. I doubt that that's
fixing any bug of field importance, so I don't feel it necessary to
back-patch; but we might as well get it right while we're here.
Also improve the comments, which had drifted a bit from what the
code actually does, and neglected to mention some important
considerations.
Back-patch to v15, not because this is fixing any bug but because
it doesn't seem like a good idea for v15's mdunlinkfork logic to be
significantly different from both v14 and v16.
Discussion: https://postgr.es/m/3797575.1667924888@sss.pgh.pa.us
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Add a little to the header comments for these functions to make it
clearer what guarantees about commit behavior are provided to callers.
(See commit f92944137 for context.)
Although this is only a comment change, it's really documentation
aimed at authors of extensions, so it seems appropriate to back-patch.
Yugo Nagata and Tom Lane, per further discussion of bug #17434.
Discussion: https://postgr.es/m/17434-d9f7a064ce2a88a3@postgresql.org
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Commit fede15417 introduced FILTER by jamming it into the existing
example introducing HAVING, which seems pedagogically poor to me;
and it added no information about what the keyword actually does.
Not to mention that the claimed output didn't match the sample
data being used in this running example.
Revert that and instead make an independent example using FILTER.
To help drive home the point that it's a per-aggregate filter,
we need to use two aggregates not just one; for consistency
expand all the examples in this segment to do that.
Also adjust the example using WHERE ... LIKE so that it'd produce
nonempty output with this sample data, and show that output.
Back-patch, as the previous patch was. (Sadly, v10 is now out
of scope.)
Discussion: https://postgr.es/m/166794307526.652.9073408178177444190@wrigleys.postgresql.org
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Source-Git-URL: ssh://git@git.postgresql.org/pgtranslation/messages.git
Source-Git-Hash: 0a578288026cfaae6b3d120b3ecf719aaa94dfdc
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Commit 4ab5dae94 broke mdunlinkfork's logic for removing additional
segments of a multi-gigabyte table, because it neglected to advance
"segno" after unlinking the first segment, in the code path where it
chooses to unlink that one immediately. Then the main remove loop
gets ENOENT at segment zero and figures it's done, so we never remove
whatever additional segments might exist.
The main problem here is with large temporary tables, but WAL replay
of a drop of a large regular table would also fail to remove extra
segments. The third case where this path is taken is for non-main
forks; but I doubt it matters for those since they probably never
exceed 1GB.
The simplest fix is just to increment segno after that unlink().
(Probably this logic could do with a more thorough rethink, but not
with mere hours to go before 15.1 wraps.)
While here, also fix an incautious assumption that
register_forget_request cannot change errno. I don't think that
that has any really bad consequences, as we'd end up trying to unlink
the zero'th segment either way, but it greatly complicates reasoning
about what could happen here. Also make a couple of other cosmetic
fixes.
Per bug #17679 from Balazs Szilfai. Back-patch into v15, as the
faulty patch was.
Discussion: https://postgr.es/m/17679-1095d04450cf6a6e@postgresql.org
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: f491e594cbaa7be0f786199e48f44bf0d55c9c8b
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As usual, the release notes for other branches will be made by cutting
these down, but put them up for community review first.
Also as usual for a .1 release, there are some entries here that
are not really relevant for v15 because they already appeared in 15.0.
Those'll be removed later.
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Commit aa0105141 repeated one of the oldest mistakes in our book:
thinking that OID is the same as int32. It isn't of course, and
unsurprisingly the first person who came along with a database
OID above 2 billion broke it. Repair.
Per bug #17677 from Sergey Pankov. Back-patch to v15.
Discussion: https://postgr.es/m/17677-a99fa067d7ed71c9@postgresql.org
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partitioned tables.
"Triggers on partitioned tables cannot have transition tables." is
incorrect as we allow statement-level triggers on partitioned tables to
have transition tables.
This has been wrong since commit 86f575948; back-patch to v11 where that
commit came in.
Reviewed by Tom Lane.
Discussion: https://postgr.es/m/CAPmGK17gk4vXLzz2iG%2BG4LWRWCoVyam70nZ3OuGm1hMJwDrhcg%40mail.gmail.com
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In the docs, the GUC flags that pg_settings_get_flags() reported were
listed using <simplelist>. But the list was treated as separate lines
in the existing function table and didn't look good. For better view,
this commit separates the list from the table entry for
pg_settings_get_flags() and adds the table for it at the bottom of
the existing function table.
Author: Fujii Masao
Reviewed-by: Alvaro Herrera, Michael Paquier
Discussion: https://postgr.es/m/f093edf9-6e5a-b119-ee50-6a2c97c79ee8@oss.nttdata.com
Back-patch of f2d0c7f18 into v15.
Discussion: https://postgr.es/m/20221103123320.GQ16921@telsasoft.com
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Commit f56f8f8da6af added some code in CloneFkReferencing that's way too
lax about a Constraint node it manufactures, not initializing enough
struct members -- initially_valid in particular was forgotten. This
causes some FKs in partitions added by ALTER TABLE ATTACH PARTITION to
be marked as not validated. Set initially_valid true, which fixes the
bug.
While at it, make the struct initialization more complete. Very similar
code was added in two other places by the same commit; make them all
follow the same pattern for consistency, though no bugs are apparent
there.
This bug has never been reported: I only happened to notice while
working on commit 614a406b4ff1. The test case that was added there with
the improper result is repaired.
Backpatch to 12.
Discussion: https://postgr.es/m/20221005105523.bhuhkdx4olajboof@alvherre.pgsql
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If a syntax error occurred in a SQL-language or PL/pgSQL-language
CREATE FUNCTION or DO command executed in a logical replication worker,
we'd suffer a null pointer dereference or assertion failure. That
seems like a rather contrived case, but nonetheless worth fixing.
The cause is that function_parse_error_transpose assumes it must be
executing within the context of a Portal, but logical/worker.c
doesn't create a Portal since it's not running the standard executor.
We can just back off the hard Assert check and make it fail gracefully
if there's not an ActivePortal. (I have a feeling that the aggressive
check here was my fault originally, probably because I wasn't sure if
the case would always hold and wanted to find out. Well, now we know.)
The hazard seems to exist in all branches that have logical replication,
so back-patch to v10.
Maxim Orlov, Anton Melnikov, Masahiko Sawada, Tom Lane
Discussion: https://postgr.es/m/b570c367-ba38-95f3-f62d-5f59b9808226@inbox.ru
Discussion: https://postgr.es/m/adf0452f-8c6b-7def-d35e-ab516c80088e@inbox.ru
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Casting the result of palloc etc. to the intended type is more per
project style anyway.
(The fact that cpluspluscheck doesn't notice these problems is
because it doesn't expand any macros, which seems like a troubling
shortcoming. Don't have a good idea about improving that.)
Back-patch to v13, which is as far as the patch applies cleanly;
doesn't seem worth working harder.
David Geier
Discussion: https://postgr.es/m/aa5d88a3-71f4-3455-11cf-82de0372c941@gmail.com
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If we have no special-case code in s_lock.h for the current platform,
but the compiler has __sync_lock_test_and_set, use that instead of
failing. It's unlikely that anybody's __sync_lock_test_and_set
would be so awful as to be worse than our semaphore-based fallback,
but if it is, they can (continue to) use --disable-spinlocks.
This allows removal of the RISC-V special case installed by commit
c32fcac56, which generated exactly the same code but only on that
platform. Usefully, the RISC-V buildfarm animals should now test
at least the int variant of this patch.
I've manually tested both variants on ARM by dint of removing the
ARM-specific stanza. We don't want to drop that, because it already
has some special knowledge and is likely to grow more over time.
Likewise, this is not meant to preclude installing special cases
for other arches if that proves worthwhile.
Per discussion of a request to install the same code for loongarch64.
Like the previous patch, we might as well back-patch to supported
branches.
Discussion: https://postgr.es/m/761ac43d44b84d679ba803c2bd947cc0@HSMAILSVR04.hs.handsome.com.cn
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Since partitions can be foreign tables not only plain tables, but
logical replication only supports plain tables, we'd better check the
relkind of a partition after we find it. (There was some discussion
of checking this when adding a partitioned table to a subscription;
but that would be inadequate since the troublesome partition could be
added later.) Without this, the situation leads to a segfault or
assertion failure.
In passing, add a separate variable for the target Relation of
a cross-partition UPDATE; reusing partrel seemed mighty confusing
and error-prone.
Shi Yu and Tom Lane, per report from Ilya Gladyshev. Back-patch
to v13 where logical replication into partitioned tables became
a thing.
Discussion: https://postgr.es/m/6b93e3748ba43298694f376ca8797279d7945e29.camel@gmail.com
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Thinko in commit 5209c0ba0: I checked the wrong object's
DUMP_COMPONENT_COMMENT bit in two places.
Per bug #17675 from Franz-Josef Färber.
Discussion: https://postgr.es/m/17675-c69c001e06390867@postgresql.org
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pg_ident_file_mappings.line_number was described as a line number in
pg_ident.conf for a "rule" number, but this should refer to a "map".
The same inconsistent term was used in the main paragraph describing the
view.
Extracted from a patch by the same author. Issue introduced by
a2c8499 where this view has been added.
Author: Julien Rouhaud
Discussion: https://postgr.es/m/20221026031948.cbrnzgy5e7glsq2d@jrouhaud
Backpatch-through: 15
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This was outdated by 77bae396d.
Backpatch-through: 15, where 77bae396d was added
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DST law changes in Chile, Fiji, Iran, Jordan, Mexico, Palestine,
and Syria. Historical corrections for Chile, Crimea, Iran, and
Mexico.
Also, the Europe/Kiev zone has been renamed to Europe/Kyiv
(retaining the old name as a link).
The following zones have been merged into nearby, more-populous zones
whose clocks have agreed since 1970: Antarctica/Vostok, Asia/Brunei,
Asia/Kuala_Lumpur, Atlantic/Reykjavik, Europe/Amsterdam,
Europe/Copenhagen, Europe/Luxembourg, Europe/Monaco, Europe/Oslo,
Europe/Stockholm, Indian/Christmas, Indian/Cocos, Indian/Kerguelen,
Indian/Mahe, Indian/Reunion, Pacific/Chuuk, Pacific/Funafuti,
Pacific/Majuro, Pacific/Pohnpei, Pacific/Wake and Pacific/Wallis.
(This indirectly affects zones that were already links to one of
these: Arctic/Longyearbyen, Atlantic/Jan_Mayen, Iceland,
Pacific/Ponape, Pacific/Truk, and Pacific/Yap.) America/Nipigon,
America/Rainy_River, America/Thunder_Bay, Europe/Uzhgorod, and
Europe/Zaporozhye were also merged into nearby zones after discovering
that their claimed post-1970 differences from those zones seem to have
been errors.
While the IANA crew have been working on merging zones that have no
post-1970 differences for some time, this batch of changes affects
some zones that are significantly more populous than those merged
in the past, notably parts of Europe. The loss of pre-1970 timezone
history for those zones may be troublesome for applications
expecting consistency of timestamptz display. As an example, the
stored value '1944-06-01 12:00 UTC' would previously display as
'1944-06-01 13:00:00+01' if the Europe/Stockholm zone is selected,
but now it will read out as '1944-06-01 14:00:00+02'.
There exists a "packrat" option that will build the timezone data
files with this old data preserved, but the problem is that it also
resurrects a bunch of other, far less well-attested data; so much so
that actually more zones' contents change from 2022a with that option
than without it. I have chosen not to do that here, for that reason
and because it appears that no major OS distributions are using the
"packrat" option, so that doing so would cause Postgres' behavior
to diverge significantly depending on whether it was built with
--with-system-tzdata. However, for anyone for whom these changes pose
significant problems, there is a solution: build a set of timezone
files with the "packrat" option and use those with Postgres.
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Some cases would result in "cache lookup failed for statistics object",
due to trying to fetch inherited statistics when only non-inherited
ones are available or vice versa.
Richard Guo and Justin Pryzby
Discussion: https://postgr.es/m/20221030170520.GM16921@telsasoft.com
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When executing a utility statement, we must fetch everything
we need out of the PlannedStmt data structure before calling
standard_ProcessUtility. In certain cases (possibly only ROLLBACK
in extended query protocol), that data structure will get freed
during command execution. The situation is probably often harmless
in production builds, but in debug builds we intentionally overwrite
the freed memory with garbage, leading to picking up garbage values
of statement location and length, typically causing an assertion
failure later in pg_stat_statements. In non-debug builds, if
something did go wrong it would likely lead to storing garbage
for the query string.
Report and fix by zhaoqigui (with cosmetic adjustments by me).
It's an old problem, so back-patch to all supported versions.
Discussion: https://postgr.es/m/17663-a344fd0675f92128@postgresql.org
Discussion: https://postgr.es/m/1667307420050.56657@hundsun.com
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This name was incorrect in the underlying commit message. (The
correct name is already listed.)
Reported-by: Mark Wong
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Per buildfarm member kittiwake. Back-patch to v15, where this test
first appeared.
Discussion: https://postgr.es/m/20220116210241.GC756210@rfd.leadboat.com
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Contrary to what is documented in src/backend/access/transam/README,
ginHeapTupleFastInsert() had a few ordering issues with the way it does
its WAL operations when inserting items in its fast path.
First, when using a separate list, XLogBeginInsert() was being always
called before START_CRIT_SECTION(), and in this case a second thing was
wrong when merging lists, as an exclusive lock was taken on the tail
page *before* calling XLogBeginInsert(). Finally, when inserting items
into a tail page, the order of XLogBeginInsert() and
START_CRIT_SECTION() was reversed. This commit addresses all these
issues by moving the calls of XLogBeginInsert() after all the pages
logged are locked and pinned, within a critical section.
This has been applied first only on HEAD as of 56b6625, but as per
discussion with Tom Lane and Álvaro Herrera, a backpatch is preferred to
keep all the branches consistent and to respect the transam's README
where we can.
Author: Matthias van de Meent, Zhang Mingli
Discussion: https://postgr.es/m/CAEze2WhL8uLMqynnnCu1LAPwxD5RKEo0nHV+eXGg_N6ELU88HQ@mail.gmail.com
Backpatch-through: 10
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This entry was listed as a "string", but it is a "number. The other
fields are correctly described, on a second look.
Reported-by: Nuko Yokohama
Author: Tatsuo Ishii
Discussion: https://postgr.es/m/CAF3Gu1awoVoDP5d0_eN=cR=QkGVwH+OtFvwJkkc5cB_ZMWjyeA@mail.gmail.com
Backpatch-through: 15
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Oversight in 7103ebb7aae8. Backpatch to 15.
Author: Richard Guo <guofenglinux@gmail.com>
Discussion: https://postgr.es/m/CAMbWs48gnDjZXq3-b56dVpQCNUJ5hD9kdtWN4QFwKCEapspNsA@mail.gmail.com
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Because of a small thinko in 7844c9918a43b494adde3575891d217a37062378,
psql -c would exit successfully when a query is canceled. Fix this so
that it exits with a nonzero status, just like for all other errors.
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Specifically, when pg_basebackup is invoked with -Tx=y, don't error
out if x could plausibly be an absolute path either on Windows or on
non-Windows systems. We don't know whether the remote system is
running the same OS as the local system, so it's not appropriate to
assume that our local rule about absolute pathnames is the same as
the rule on the remote system.
Patch by me, reviewed by Tom Lane, Andrew Dunstan, and
Davinder Singh.
Discussion: http://postgr.es/m/CA+TgmoY+jC3YiskomvYKDPK3FbrmsDU7_8+wMHt02HOdJeRb0g@mail.gmail.com
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Previously in commit 42681dffaf, we added CFI during decoding changes but
missed another similar case that can happen while restoring changes
spilled to disk back into memory in a loop.
Reported-by: Robert Haas
Author: Amit Kapila
Backpatch-through: 10
Discussion: https://postgr.es/m/CA+TgmoaLObg0QbstbC8ykDwOdD1bDkr4AbPpB=0DPgA2JW0mFg@mail.gmail.com
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