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This is required before the creation of a new branch. pgindent is
clean, as well as is reformat-dat-files.
perltidy version is v20230309, as documented in pgindent's README.
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: f90ee4803c30491e5c49996b973b8a30de47bfb2
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This reverts commit 38da053463bef32adf563ddee5277d16d2b6c5af, which
attempted to preserve our ability to start with only 60 semaphores.
Subsequent changes (particularly 55b454d0e) have put that idea pretty
much permanently out of reach: people wishing to use Postgres v18 on
OpenBSD or NetBSD will have no choice but to increase those platforms'
default values of SEMMNI and SEMMNS.
Hence, revert 38da05346's changes in SEMAS_PER_SET and the minimum
tested value of max_connections. Adjust a comment from the subsequent
patch 6d0154196, and tweak the wording in runtime.sgml to make it
clear that changing SEMMNI/SEMMNS is no longer even a little bit
optional on these platforms.
Although 38da05346 was later back-patched into v17, leave that branch
alone: it's still capable of starting with 60 semaphores, and there's
no reason to break that.
Author: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Discussion: https://postgr.es/m/E1tuZNv-0037Gs-34@gemulon.postgresql.org
Discussion: https://postgr.es/m/1052019.1745947915@sss.pgh.pa.us
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Commit 6d01541960 taught initdb to lower the default value of
autovacuum_worker_slots for systems with very few semaphores. It
also added a "fake" report for the chosen value, i.e., initdb
prints a message about selecting the default, but the value was
already selected in a previous test. Per discussion, this is not a
precedent we want to set, and it seems unnecessary to report
everything derived from max_connections, so let's remove the "fake"
report.
Reported-by: Peter Eisentraut <peter@eisentraut.org>
Suggested-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/de722583-4ba4-4063-bc41-e20684978116%40eisentraut.org
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This cleans up some loose ends left by commit e8ca9ed1d. I hadn't
looked closely enough at these places before, but now I have.
The use of double-quoted #includes for Perl headers in plperl_system.h
seems to be simply a mistake introduced in 6c944bf3c and faithfully
copied forward since then. (I had thought possibly it was required
by some weird Windows build setup, but there's no evidence of that in
our history.)
The occurrences in SectionMemoryManager.h and SectionMemoryManager.cpp
evidently stem from those files' origin as LLVM code. It's
understandable that LLVM would treat their own files as needing
double-quoted #includes; but they're still system headers to us.
I also applied the same check to *.c files, and found a few other
random incorrect usages in both directions.
Our ECPG headers and test files routinely use angle brackets to refer
to ECPG headers. I left those usages alone, since it seems reasonable
for an ECPG user to regard those headers as system headers.
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Use appendPQExpBufferStr when there are no parameters and
appendPQExpBufferChar when the string length is 1.
Unlike 3fae25cbb, which fixed this issue for code that was new to v18,
this one fixes up instances which exist in the backbranches. We've
historically tried to maintain this standard and if we're going to
continue doing that, then we won't be doing that selectively based on
when the code was introduced. Now seems like a good time to flush out the
existing misuses. Waiting until v19 just prolongs their existence in
terms of released versions that the misuses exist in.
Author: David Rowley <drowleyml@gmail.com>
Discussion: https://postgr.es/m/CAApHDvoARMvPeXTTC0HnpARBHn-WgVstc8XFCyMGOzvgu_1HvQ@mail.gmail.com
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Previously effective_io_concurrency and maintenance_io_concurrency could not
be set above 0 on machines without fadvise support. AIO enables IO concurrency
without such support, via io_method=worker.
Currently only subsystems using the read stream API will take advantage of
this. Other users of maintenance_io_concurrency (like recovery prefetching)
which leverage OS advice directly will not benefit from this change. In those
cases, maintenance_io_concurrency will have no effect on I/O behavior.
Author: Melanie Plageman <melanieplageman@gmail.com>
Reviewed-by: Noah Misch <noah@leadboat.com>
Discussion: https://postgr.es/m/CAAKRu_atGgZePo=_g6T3cNtfMf0QxpvoUh5OUqa_cnPdhLd=gw@mail.gmail.com
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This new option instructs initdb to skip synchronizing any files
in database directories, the database directories themselves, and
the tablespace directories, i.e., everything in the base/
subdirectory and any other tablespace directories. Other files,
such as those in pg_wal/ and pg_xact/, will still be synchronized
unless --no-sync is also specified. --no-sync-data-files is
primarily intended for internal use by tools that separately ensure
the skipped files are synchronized to disk. A follow-up commit
will use this to help optimize pg_upgrade's file transfer step.
The --sync-method=fsync implementation of this option makes use of
a new exclude_dir parameter for walkdir(). When not NULL,
exclude_dir specifies a directory to skip processing. The
--sync-method=syncfs implementation of this option just skips
synchronizing the non-default tablespace directories. This means
that initdb will still synchronize some or all of the database
files, but there's not much we can do about that.
Discussion: https://postgr.es/m/Zyvop-LxLXBLrZil%40nathan
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It's been some time since we did this, partly because the upstream
snowball project hasn't formally tagged a new release since 2021.
The main motivation for doing it now is to absorb a bug fix
(their commit e322673a841d9abd69994ae8cd20e191090b6ef4), which
prevents a null pointer dereference crash if SN_create_env() gets
a malloc failure at just the wrong point. We'll patch the back
branches with only that change, but we might as well do the full
sync dance on HEAD.
Aside from a bunch of mostly-minor tweaks to existing stemmers, this
update adds a new stemmer for Estonian. It also removes the existing
stemmer for Romanian using ISO-8859-2 encoding. Upstream apparently
concluded that ISO-8859-2 doesn't provide an adequate representation
of some Romanian characters, and the UTF-8 implementation should be
used instead.
While at it, update the README's instructions for doing a sync,
which have not been adjusted during the addition of meson tooling.
Thanks to Maksim Korotkov for discovering the null-pointer
bug and submitting the fix to upstream snowball.
Reported-by: Maksim Korotkov <m.korotkov@postgrespro.ru>
Discussion: https://postgr.es/m/1d1a46-67ab1000-21-80c451@83151435
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This is similar to ce1b0f9da03e, but this time this rule is applied to
some of the TAP tests of initdb.
Author: Dagfinn Ilmari Mannsåker
Discussion: https://postgr.es/m/878qr146ra.fsf@wibble.ilmari.org
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This commit rewrites a good chunk of the command arrays in TAP tests
with a grammar based on the following rules:
- Fat commas are used between option names and their values, making it
clear to both humans and perltidy that values and names are bound
together. This is particularly useful for the readability of multi-line
command arrays, and there are plenty of them in the TAP tests. Most of
the test code is updated to use this style. Some commands used
parenthesis to show the link, or attached values and options in a single
string. These are updated to use fat commas instead.
- Option names are switched to use their long names, making them more
self-documented. Based on a suggestion by Andrew Dunstan.
- Add some trailing commas after the last item in multi-line arrays,
which is a common perl style.
Not all the places are taken care of, but this covers a very good chunk
of them.
Author: Dagfinn Ilmari Mannsåker
Reviewed-by: Michael Paquier, Peter Smith, Euler Taveira
Discussion: https://postgr.es/m/87jzc46d8u.fsf@wibble.ilmari.org
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The PG_UNICODE_FAST locale uses code point sort order (fast,
memcmp-based) combined with Unicode character semantics. The character
semantics are based on Unicode full case mapping.
Full case mapping can map a single codepoint to multiple codepoints,
such as "ß" uppercasing to "SS". Additionally, it handles
context-sensitive mappings like the "final sigma", and it uses
titlecase mappings such as "Dž" when titlecasing (rather than plain
uppercase mappings).
Importantly, the uppercasing of "ß" as "SS" is specifically mentioned
by the SQL standard. In Postgres, UCS_BASIC uses plain ASCII semantics
for case mapping and pattern matching, so if we changed it to use the
PG_UNICODE_FAST locale, it would offer better compliance with the
standard. For now, though, do not change the behavior of UCS_BASIC.
Discussion: https://postgr.es/m/ddfd67928818f138f51635712529bc5e1d25e4e7.camel@j-davis.com
Discussion: https://postgr.es/m/27bb0e52-801d-4f73-a0a4-02cfdd4a9ada@eisentraut.org
Reviewed-by: Peter Eisentraut, Daniel Verite
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As noted by the comment at the top of port/pqsignal.c, Windows
frontend programs can only use pqsignal() with the 6 signals
required by C. Most places avoid using invalid signals via #ifndef
WIN32, but initdb and pg_test_fsync check whether the signal itself
is defined, which doesn't work because win32_port.h defines many
extra signals for the signal emulation code. pg_regress seems to
have missed the memo completely. These issues aren't causing any
real problems today because nobody checks the return value of
pqsignal(), but a follow-up commit will add some error checking.
To fix, surround all frontend calls to pqsignal() that use signals
that are invalid on Windows with #ifndef WIN32. We cannot simply
skip defining the extra signals in win32_port.h for frontends
because they are needed in places such as pgkill().
Reviewed-by: Thomas Munro
Discussion: https://postgr.es/m/Z4chOKfnthRH71mw%40nathan
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Commit c758119e5b increased the default number of semaphores
required for autovacuum workers from 3 to 16. Unfortunately, some
systems have very low default settings for SEMMNS, and this change
moved the minimum required for Postgres well beyond that limit (see
commit 38da053463 for more details).
With this commit, initdb will lower the default value for
autovacuum_worker_slots as needed, just like it already does for
parameters such as max_connections and shared_buffers. We test
for (max_connections / 6) slots, which conveniently has the
following properties:
* For the initial max_connections default of 100, the default of
autovacuum_worker_slots will be 16, which is its initial default
value specified in the documentation and in guc_tables.c.
* For the lowest possible max_connections default of 25, the
default of autovacuum_worker_slots will be 4, which means we only
need one additional semaphore for autovacuum workers (as compared
to before commit c758119e5b). This leaves some wiggle room for
new auxiliary workers, etc. on systems with low SEMMNS, and it
ensures that the default number of slots will be greater than or
equal to the default value of autovacuum_max_workers (3).
Reported-by: Tom Lane
Suggested-by: Andres Freund
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/1346002.1736198977%40sss.pgh.pa.us
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Backpatch-through: 13
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Per git log, the last time someone tried to do something with
pgrminclude was around 2011. Many (not all) of the "pgrminclude
ignore" annotations are of a newer date but seem to have just been
copied around during refactorings and file moves and don't seem to
reflect an actual need anymore.
There have been some parallel experiments with include-what-you-use
(IWYU) annotations, but these don't seem to correspond very strongly
to pgrminclude annotations, so there is no value in keeping the
existing ones even for that kind of thing.
So, wipe them all away. We can always add new ones in the future
based on actual needs.
Discussion: https://www.postgresql.org/message-id/flat/2d4dc7b2-cb2e-49b1-b8ca-ba5f7024f05b%40eisentraut.org
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These two platforms have a remarkably tight default limit on the
number of SysV semaphores in the system: SEMMNS is only 60
out-of-the-box. Unless manual action is taken to raise that,
we'll only be able to allocate 3 sets of 16 usable semaphores
each, leading to initdb setting max_connections to just 20.
That's problematic because the core regression tests expect
to be able to launch 20 concurrent sessions, leaving us with
no headroom. This seems to be the cause of intermittent
buildfarm failures on some machines.
While there's no getting around the fact that you'd better raise
SEMMNS for production use on these platforms, it does seem desirable
for "make check" to pass reliably without that. We can make that
happen, at least for awhile longer, with two small changes:
* Change sysv_sema.c's SEMAS_PER_SET to 19, so that we can eat up
all of the available semas not just most of them.
* Change initdb to make the smallest max_connections value it will
consider be 25 not 20.
As of HEAD this will leave us with four free semaphores (using the
default values for other relevant parameters such as max_wal_senders).
So we won't need to consider this again until we've invented five
more background processes. Maybe by then we can switch both these
platforms to some other semaphore API.
For the moment, do this only in master; there've not been field
complaints that might justify a back-patch.
Discussion: https://postgr.es/m/db2773a2-aca0-43d0-99c1-060efcd9954e@gmail.com
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Checksums are now on by default. They can be disabled by the
previously added option --no-data-checksums.
Author: Greg Sabino Mullane <greg@turnstep.com>
Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://www.postgresql.org/message-id/flat/CAKAnmmKwiMHik5AHmBEdf5vqzbOBbcwEPHo4-PioWeAbzwcTOQ@mail.gmail.com
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Commit bf03cfd1 started scanning all available BCP 47 locale names on
Windows. This caused an abort/crash in the Windows runtime library if
the default locale name contained non-ASCII characters, because of our
use of the setlocale() save/restore pattern with "char" strings. After
switching to another locale with a different encoding, the saved name
could no longer be understood, and setlocale() would abort.
"Turkish_Türkiye.1254" is the example from recent reports, but there are
other examples of countries and languages with non-ASCII characters in
their names, and they appear in Windows' (old style) locale names.
To defend against this:
1. In initdb, reject non-ASCII locale names given explicity on the
command line, or returned by the operating system environment with
setlocale(..., ""), or "canonicalized" by the operating system when we
set it.
2. In initdb only, perform the save-and-restore with Windows'
non-standard wchar_t variant of setlocale(), so that it is not subject
to round trip failures stemming from char string encoding confusion.
3. In the backend, we don't have to worry about the save-and-restore
problem because we have already vetted the defaults, so we just have to
make sure that CREATE DATABASE also rejects non-ASCII names in any new
databases. SET lc_XXX doesn't suffer from the problem, but the ban
applies to it too because it uses check_locale(). CREATE COLLATION
doesn't suffer from the problem either, but it doesn't use
check_locale() so it is not included in the new ban for now, to minimize
the change.
Anyone who encounters the new error message should either create a new
duplicated locale with an ASCII-only name using Windows Locale Builder,
or consider using BCP 47 names like "tr-TR". Users already couldn't
initialize a cluster with "Turkish_Türkiye.1254" on PostgreSQL 16+, but
the new failure mode is an error message that explains why, instead of a
crash.
Back-patch to 16, where bf03cfd1 landed. Older versions are affected
in theory too, but only 16 and later are causing crash reports.
Reviewed-by: Andrew Dunstan <andrew@dunslane.net> (the idea, not the patch)
Reported-by: Haifang Wang (Centific Technologies Inc) <v-haiwang@microsoft.com>
Discussion: https://postgr.es/m/PH8PR21MB3902F334A3174C54058F792CE5182%40PH8PR21MB3902.namprd21.prod.outlook.com
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Right now this does nothing except override any earlier
--data-checksums option. But the idea is that --data-checksums could
become the default, and then this option would allow forcing it off
instead.
Author: Greg Sabino Mullane <greg@turnstep.com>
Discussion: https://www.postgresql.org/message-id/flat/CAKAnmmKwiMHik5AHmBEdf5vqzbOBbcwEPHo4-PioWeAbzwcTOQ@mail.gmail.com
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: 4409d73e450606ff15b428303d706f1d15c1f597
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These are checks that are already skipped on other Windows systems.
Backpatch to all live branches, as appropriate.
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It wasn't in the documentation at all (even though we document all the
other debugging-like options). Also, change the --help output to show
that it exits after showing, similar to other options.
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Files in common/ and fe_utils/ that contain translatable strings need
to be listed in the nls.mk files of the programs that use them. (Not
great, but that's the way it works for now.) This usually requires
some manual analysis which is done about once during each major
release beta period. This time, I wrote a hackish script that figures
some of this out more automatically, so this update is a bit larger as
it also includes some files that were missed in the past.
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: 647792ce18e56f51614f7559106ad15362c5d1cc
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After further review, we want to move in the direction of always
quoting GUC names in error messages, rather than the previous (PG16)
wildly mixed practice or the intermittent (mid-PG17) idea of doing
this depending on how possibly confusing the GUC name is.
This commit applies appropriate quotes to (almost?) all mentions of
GUC names in error messages. It partially supersedes a243569bf65 and
8d9978a7176, which had moved things a bit in the opposite direction
but which then were abandoned in a partial state.
Author: Peter Smith <smithpb2250@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CAHut%2BPv-kSN8SkxSdoHano_wPubqcg5789ejhCDZAcLFceBR-w%40mail.gmail.com
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When --auth was added to initdb in commit e7029b212755 it had support
for auth options separated by space from the auth type, like:
--auth pam <servicename>
--auth ident sameuser
Passing an option to the ident auth type was removed in 01c1a12a5bb4
which left the pam auth-options support in place. 8a02339e9ba3 broke
this by inverting a calculation in the strncmp arguments, which went
unnoticed for a long time. The ability to pass options to the auth
type was never documented.
Rather than fixing the support for an undocumented feature which has
been broken for all supported versions, and which only supports one
out of many auth types which can take options, it is removed.
Reported-by: Jingxian Li <aqktjcm@qq.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Aleksander Alekseev <aleksander@timescale.com>
Discussion: https://postgr.es/m/tencent_29731C7C7E6A2F9FB807C3A1DC3D81293C06@qq.com
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: be182cc55e6f72c66215fd9b38851969e3ce5480
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For tests that depend on UTF-8 encoding, force LC_COLLATE=C and
LC_CTYPE=C to avoid an encoding mismatch.
Reported-by: Thomas Munro
Discussion: https://postgr.es/m/CA+hUKGK-ZqV1njkG_=xcCqXh2fcMkz85FTMnhS2opm4ZerH=xw@mail.gmail.com
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The builtin C.UTF-8 locale has similar semantics to the libc locale of
the same name. That is, code point sort order (fast, memcmp-based)
combined with Unicode semantics for character operations such as
pattern matching, regular expressions, and
LOWER()/INITCAP()/UPPER(). The character semantics are based on
Unicode simple case mappings.
The builtin provider's C.UTF-8 offers several important advantages
over libc:
* faster sorting -- benefits from additional optimizations such as
abbreviated keys and varstrfastcmp_c
* faster case conversion, e.g. LOWER(), at least compared with some
libc implementations
* available on all platforms with identical semantics, and the
semantics are stable, testable, and documentable within a given
Postgres major version
Being based on memcmp, the builtin C.UTF-8 locale does not offer
natural language sort order. But it is an improvement for most use
cases that might otherwise use libc's "C.UTF-8" locale, as well as
many use cases that use libc's "C" locale.
Discussion: https://postgr.es/m/ff4c2f2f9c8fc7ca27c1c24ae37ecaeaeaff6b53.camel%40j-davis.com
Reviewed-by: Daniel Vérité, Peter Eisentraut, Jeremy Schneider
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Based on comments from Peter Eisentraut.
* Document CREATE DATABASE ... BUILTIN_LOCALE.
* Determine required encoding based on locale name for CREATE
COLLATION. Use -1 for "C" (requires catversion bump).
* initdb output fixups.
* Make ctype_is_c a constant true for now.
* Fixups to ICU 010_create_database.pl test.
Discussion: https://postgr.es/m/4135cf11-206d-40ed-96c0-9363c1232379@eisentraut.org
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New provider for collations, like "libc" or "icu", but without any
external dependency.
Initially, the only locale supported by the builtin provider is "C",
which is identical to the libc provider's "C" locale. The libc
provider's "C" locale has always been treated as a special case that
uses an internal implementation, without using libc at all -- so the
new builtin provider uses the same implementation.
The builtin provider's locale is independent of the server environment
variables LC_COLLATE and LC_CTYPE. Using the builtin provider, the
database collation locale can be "C" while LC_COLLATE and LC_CTYPE are
set to "en_US", which is impossible with the libc provider.
By offering a new builtin provider, it clarifies that the semantics of
a collation using this provider will never depend on libc, and makes
it easier to document the behavior.
Discussion: https://postgr.es/m/ab925f69-5f9d-f85e-b87c-bd2a44798659@joeconway.com
Discussion: https://postgr.es/m/dd9261f4-7a98-4565-93ec-336c1c110d90@manitou-mail.org
Discussion: https://postgr.es/m/ff4c2f2f9c8fc7ca27c1c24ae37ecaeaeaff6b53.camel%40j-davis.com
Reviewed-by: Daniel Vérité, Peter Eisentraut, Jeremy Schneider
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Most callers of strerror() are removed from the backend code. The
remaining callers require special handling with a saved errno from a
previous system call. The frontend code still needs strerror() where
error states need to be handled outside of fprintf.
Note that pg_regress is not changed to use %m as the TAP output may
clobber errno, since those functions call fprintf() and friends before
evaluating the format string.
Support for %m in src/port/snprintf.c has been added in d6c55de1f99a,
hence all the stable branches currently supported include it.
Author: Dagfinn Ilmari Mannsåker
Discussion: https://postgr.es/m/87sf13jhuw.fsf@wibble.ilmari.org
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Rename pg_collation.colliculocale to colllocale, and
pg_database.daticulocale to datlocale. These names reflects that the
fields will be useful for the upcoming builtin provider as well, not
just for ICU.
This is purely a rename; no changes to the meaning of the fields.
Discussion: https://postgr.es/m/ff4c2f2f9c8fc7ca27c1c24ae37ecaeaeaff6b53.camel%40j-davis.com
Reviewed-by: Peter Eisentraut
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The backend treats GUC names case-insensitively, so this code should
too. This avoids ending up with a confusing set of redundant entries
in the generated postgresql.conf file.
Per report from Kyotaro Horiguchi. Back-patch to v16 where this
feature was added (in commit 3e51b278d).
Discussion: https://postgr.es/m/20230928.164904.2153358973162534034.horikyota.ntt@gmail.com
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In commit 3e51b278d I (tgl) caused initdb to leave lc_messages and
other lc_xxx GUCs commented-out in the installed postgresql.conf file
if they were going to be set to 'C'. This was a hack for cosmetic
purposes, and it was buggy because lc_messages' wired-in default is
not 'C' but '' (empty string). That led to --no-locale not having
the expected effect, since the postmaster would then obtain
lc_messages from its startup environment.
Let's just revert to the prior behavior of always de-commenting the
lc_xxx entries; the argument for changing that longstanding behavior
was weak in the first place.
Also, fix postgresql.conf.sample's erroneous claim that the default
value of lc_messages is 'C'. I suspect that was what misled me into
making this mistake in the first place.
Report and patch by Kyotaro Horiguchi. Back-patch to v16 where
the problem was introduced.
Discussion: https://postgr.es/m/20231122.162700.1995154567625541112.horikyota.ntt@gmail.com
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Reported-by: Michael Paquier
Discussion: https://postgr.es/m/ZZKTDPxBBMt3C0J9@paquier.xyz
Backpatch-through: 12
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There are a lot of Perl scripts in the tree, mostly code generation
and TAP tests. Occasionally, these scripts produce warnings. These
are probably always mistakes on the developer side (true positives).
Typical examples are warnings from genbki.pl or related when you make
a mess in the catalog files during development, or warnings from tests
when they massage a config file that looks different on different
hosts, or mistakes during merges (e.g., duplicate subroutine
definitions), or just mistakes that weren't noticed because there is a
lot of output in a verbose build.
This changes all warnings into fatal errors, by replacing
use warnings;
by
use warnings FATAL => 'all';
in all Perl files.
Discussion: https://www.postgresql.org/message-id/flat/06f899fd-1826-05ab-42d6-adeb1fd5e200%40eisentraut.org
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When active, this process writes WAL summary files to
$PGDATA/pg_wal/summaries. Each summary file contains information for a
certain range of LSNs on a certain TLI. For each relation, it stores a
"limit block" which is 0 if a relation is created or destroyed within
a certain range of WAL records, or otherwise the shortest length to
which the relation was truncated during that range of WAL records, or
otherwise InvalidBlockNumber. In addition, it stores a list of blocks
which have been modified during that range of WAL records, but
excluding blocks which were removed by truncation after they were
modified and never subsequently modified again.
In other words, it tells us which blocks need to copied in case of an
incremental backup covering that range of WAL records. But this
doesn't yet add the capability to actually perform an incremental
backup; the next patch will do that.
A new parameter summarize_wal enables or disables this new background
process. The background process also automatically deletes summary
files that are older than wal_summarize_keep_time, if that parameter
has a non-zero value and the summarizer is configured to run.
Patch by me, with some design help from Dilip Kumar and Andres Freund.
Reviewed by Matthias van de Meent, Dilip Kumar, Jakub Wartak, Peter
Eisentraut, and Álvaro Herrera.
Discussion: http://postgr.es/m/CA+TgmoYOYZfMCyOXFyC-P+-mdrZqm5pP2N7S-r0z3_402h9rsA@mail.gmail.com
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A PostgreSQL release tarball contains a number of prebuilt files, in
particular files produced by bison, flex, perl, and well as html and
man documentation. We have done this consistent with established
practice at the time to not require these tools for building from a
tarball. Some of these tools were hard to get, or get the right
version of, from time to time, and shipping the prebuilt output was a
convenience to users.
Now this has at least two problems:
One, we have to make the build system(s) work in two modes: Building
from a git checkout and building from a tarball. This is pretty
complicated, but it works so far for autoconf/make. It does not
currently work for meson; you can currently only build with meson from
a git checkout. Making meson builds work from a tarball seems very
difficult or impossible. One particular problem is that since meson
requires a separate build directory, we cannot make the build update
files like gram.h in the source tree. So if you were to build from a
tarball and update gram.y, you will have a gram.h in the source tree
and one in the build tree, but the way things work is that the
compiler will always use the one in the source tree. So you cannot,
for example, make any gram.y changes when building from a tarball.
This seems impossible to fix in a non-horrible way.
Second, there is increased interest nowadays in precisely tracking the
origin of software. We can reasonably track contributions into the
git tree, and users can reasonably track the path from a tarball to
packages and downloads and installs. But what happens between the git
tree and the tarball is obscure and in some cases non-reproducible.
The solution for both of these issues is to get rid of the step that
adds prebuilt files to the tarball. The tarball now only contains
what is in the git tree (*). Getting the additional build
dependencies is no longer a problem nowadays, and the complications to
keep these dual build modes working are significant. And of course we
want to get the meson build system working universally.
This commit removes the make distprep target altogether. The make
dist target continues to do its job, it just doesn't call distprep
anymore.
(*) - The tarball also contains the INSTALL file that is built at make
dist time, but not by distprep. This is unchanged for now.
The make maintainer-clean target, whose job it is to remove the
prebuilt files in addition to what make distclean does, is now just an
alias to make distprep. (In practice, it is probably obsolete given
that git clean is available.)
The following programs are now hard build requirements in configure
(they were already required by meson.build):
- bison
- flex
- perl
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/flat/e07408d9-e5f2-d9fd-5672-f53354e9305e@eisentraut.org
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Back in the 8.3 era we discovered that it was problematic if
libpq.so had encoding ID assignments different from the backend,
which is possible because on some platforms libpq.so might be
of a different major version from the calling programs.
psql should use libpq's assignments, but initdb has to use the
backend's, else it will put wrong values into pg_database.
The solution devised in commit 8468146b0 relied on giving initdb
its own copy of encnames.c rather than relying on the functions
exported by libpq. Later, that metamorphosed into ensuring that
libpgcommon got linked before libpq -- which made things OK for
initdb but broke psql. We didn't notice for lack of any changes
in enum pg_enc since then. Commit 06843df4a reversed that, fixing
the latent bug in psql but adding one in initdb. The meson build
infrastructure is also not being sufficiently careful about link
order, and trying to make it so would be equally fragile.
Hence, let's use a new scheme based on giving the libpq-exported
symbols different real names than the same functions exported from
libpgcommon.a or libpgcommon_srv.a. (We could distinguish those
two cases as well, but there seems no need to.) libpq gets the
official names to avoid an ABI break for libpq clients, while the
other cases use #define's to make the real names "xxx_private"
rather than "xxx". By controlling where the #define's are
applied, we can force any particular client program to use one
set or the other of the encnames.c functions.
We cannot back-patch this, since it'd be an ABI break for backend
loadable modules, but there seems little need to. We're just
trying to ensure that the world is safe for hypothetical future
additions to enum pg_enc.
In passing this should fix "duplicate symbol" linker warnings
that we've been seeing on AIX buildfarm members since commit
06843df4a. It's not very clear why that linker is complaining
now, when there were strictly *more* duplicates visible before,
but in any case this should remove the reason for complaint.
Patch by me; thanks to Andres Freund for review.
Discussion: https://postgr.es/m/2385119.1696354473@sss.pgh.pa.us
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There was a mismatch between the const qualifiers for
excludeDirContents in src/backend/backup/basebackup.c and
src/bin/pg_rewind/filemap.c, which led to a quick search for similar
cases. We should make excludeDirContents match, but the rest of the
changes seem like a good idea as well.
Author: David Steele <david@pgmasters.net>
Discussion: https://www.postgresql.org/message-id/flat/669a035c-d23d-2f38-7ff0-0cb93e01d610@pgmasters.net
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This commit allows specifying a --sync-method in several frontend
utilities that must synchronize many files to disk (initdb,
pg_basebackup, pg_checksums, pg_dump, pg_rewind, and pg_upgrade).
On Linux, users can specify "syncfs" to synchronize the relevant
file systems instead of calling fsync() for every single file. In
many cases, using syncfs() is much faster.
As with recovery_init_sync_method, this new option comes with some
caveats. The descriptions of these caveats have been moved to a
new appendix section in the documentation.
Co-authored-by: Justin Pryzby
Reviewed-by: Michael Paquier, Thomas Munro, Robert Haas, Justin Pryzby
Discussion: https://postgr.es/m/20210930004340.GM831%40telsasoft.com
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This commit adds support for using syncfs() in fsync_pgdata() and
fsync_dir_recurse() (which have been renamed to sync_pgdata() and
sync_dir_recurse()). Like recovery_init_sync_method,
sync_pgdata() calls syncfs() for the data directory, each
tablespace, and pg_wal (if it is a symlink). For now, all of the
frontend utilities that use these support functions are hard-coded
to use fsync(), but a follow-up commit will allow specifying
syncfs().
Co-authored-by: Justin Pryzby
Reviewed-by: Michael Paquier
Discussion: https://postgr.es/m/20210930004340.GM831%40telsasoft.com
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While there are numerous instances of using "power of 2" in the code,
translated user-facing messages use "power of two". Fix two instances
which used "power of 2" instead.
Author: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Discussion: https://postgr.es/m/20230829.175615.682972421946735863.horikyota.ntt@gmail.com
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Make the primary messages more compact and make the detail messages
uniform. In initdb.c and pg_resetwal.c, use the newish
option_parse_int() to simplify some of the option parsing. For the
backend GUC wal_segment_size, add a GUC check hook to do the
verification instead of coding it in bootstrap.c. This might be
overkill, but that way the check is in the right place and it becomes
more self-documenting.
In passing, make pg_controldata use the logging API for warning
messages.
Reviewed-by: Aleksander Alekseev <aleksander@timescale.com>
Discussion: https://www.postgresql.org/message-id/flat/9939aa8a-d7be-da2c-7715-0a0b5535a1f7@eisentraut.org
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: 97398d714ace69f0c919984e160f429b6fd2300e
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Several commands internally assemble command lines to call other
commands. This includes initdb, pg_dumpall, and pg_regress. (Also
pg_ctl, but that is different enough that I didn't consider it here.)
This has all evolved a bit organically, with fixed-size buffers, and
various optional command-line arguments being injected with
confusing-looking code, and the spacing between options handled in
inconsistent ways. Clean all this up a bit to look clearer and be
more easily extensible with new arguments and options. We start each
command with printfPQExpBuffer(), and then append arguments as
necessary with appendPQExpBuffer(). Also standardize on using
initPQExpBuffer() over createPQExpBuffer() where possible. pg_regress
uses StringInfo instead of PQExpBuffer, but many of the same ideas
apply.
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://www.postgresql.org/message-id/flat/16d0beac-a141-e5d3-60e9-323da75f49bf@eisentraut.org
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: ab77975e9d2cde44da796c18af3ec1a66f0df7ae
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