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Since commit a65e0864, we've required Unix systems to have
sigprocmask(). As noted in that commit's message, we were still
emulating the historical pre-standard sigsetmask() function in our
Windows support code. Emulate standard sigprocmask() instead, for
consistency.
The PG_SETMASK() abstraction is now redundant and all calls could in
theory be replaced by plain sigprocmask() calls, but that isn't done by
this commit.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/3153247.1657834482%40sss.pgh.pa.us
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Commit 4518c798 blocks signals for a short region of code, but it
assumed that whatever called it had the signal mask set to UnBlockSig on
entry. That may be true today (or may even not be, in extensions in the
wild), but it would be better not to make that assumption. We should
save-and-restore the caller's signal mask.
The PG_SETMASK() portability macro couldn't be used for that, which is
why it wasn't done before. But... considering that commit a65e0864
established back in 9.6 that supported POSIX systems have sigprocmask(),
and that this is POSIX-only code, there is no reason not to use standard
sigprocmask() directly to achieve that.
Back-patch to all supported releases, like 4518c798 and 80845b7c.
Reviewed-by: Alvaro Herrera <alvherre@alvh.no-ip.org>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CA%2BhUKGKx6Biq7_UuV0kn9DW%2B8QWcpJC1qwhizdtD9tN-fn0H0g%40mail.gmail.com
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Currently, debugging client certificate verification failures is
mostly limited to looking at the TLS alert code on the client side.
For simple deployments, sometimes it's enough to see "sslv3 alert
certificate revoked" and know exactly what needs to be fixed, but if
you add any more complexity (multiple CA layers, misconfigured CA
certificates, etc.), trying to debug what happened based on the TLS
alert alone can be an exercise in frustration.
Luckily, the server has more information about exactly what failed in
the chain, and we already have the requisite callback implemented as a
stub. We fill that in, collect the data, and pass the constructed
error message back to the main code via a static variable. This lets
us add our error details directly to the final "could not accept SSL
connection" log message, as opposed to issuing intermediate LOGs.
It ends up looking like
LOG: connection received: host=localhost port=43112
LOG: could not accept SSL connection: certificate verify failed
DETAIL: Client certificate verification failed at depth 1: unable to get local issuer certificate.
Failed certificate data (unverified): subject "/CN=Test CA for PostgreSQL SSL regression test client certs", serial number 2315134995201656577, issuer "/CN=Test root CA for PostgreSQL SSL regression test suite".
The length of the Subject and Issuer strings is limited to prevent
malicious client certs from spamming the logs. In case the truncation
makes things ambiguous, the certificate's serial number is also
logged.
Author: Jacob Champion <pchampion@vmware.com>
Discussion: https://www.postgresql.org/message-id/flat/d13c4a5787c2a3f83705124f0391e0738c796751.camel@vmware.com
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Reviewed-by: Amul Sul <sulamul@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/5b558da8-99fb-0a99-83dd-f72f05388517%40enterprisedb.com
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For some systems, we need to avoid unsatisfied-external-reference
errors in static inlines. See
27d2693187d1bcf2563ee7142ba37d4788c8d52b for example. In order to
test that on other systems, the gcc option -fkeep-inline-functions can
be used. But it actually is a bit stricter than what we currently
have in place, so fix up a few more places along the lines of the
above commit. (This undoes part of commit
2cd2569c72b8920048e35c31c9be30a6170e1410.)
(Note, this does not add that gcc option anywhere to the build system,
it just makes it possible to use it successfully manually.)
Discussion: https://www.postgresql.org/message-id/flat/E1oBgIW-002ehP-VJ%40gemulon.postgresql.org
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Noticed while working in this area. This code was introduced in PG15,
which is still in beta, so backpatch to there for consistency.
Backpatch-through: 15
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Commit 4518c798 intended to block signals in regular backends that
allocate DSM segments, but dsm_impl_resize() is also reached by
dsm_postmaster_startup(). It's not OK to clobber the postmaster's
signal mask, so only manipulate the signal mask when under the
postmaster.
Back-patch to all releases, like 4518c798.
Discussion: https://postgr.es/m/CA%2BhUKGKNpK%3D2OMeea_AZwpLg7Bm4%3DgYWk7eDjZ5F6YbozfOf8w%40mail.gmail.com
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Teach this script to handle function pointer fields honestly.
Previously they were just silently ignored, but that's not likely to
be a behavior we can accept indefinitely. This mostly entails fixing
it so that a field declaration spanning multiple lines can be parsed,
because we have a bunch of such fields that're laid out that way.
But that's a good improvement in its own right.
With that change and a minor regex adjustment, the only struct it
fails to parse in the node-defining headers is A_Const, because
of the embedded union. The path of least resistance is to move
that union declaration outside the struct.
Having done those things, we can make it error out if it finds
any within-struct syntax it doesn't understand, which seems like
a pretty important property for robustness.
This commit doesn't change the output files at all; it's just in
the way of future-proofing.
Discussion: https://postgr.es/m/2593369.1657759779@sss.pgh.pa.us
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It was confusing to reuse the variable name 'entry' in two scopes.
Use distinct variable names.
Reported-by: Ranier Vilela <ranier.vf@gmail.com>
Reported-by: Tom Lane <tgl@sss.pgh.pa.us>
Reported-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Discussion: https://postgr.es/m/CAEudQArDrFyQ15Am3rgWBunGBVZFDb90onTS8SRiFAWHeiLiFA%40mail.gmail.com
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Previously we displayed "DSMFillZeroWrite" while in posix_fallocate(),
because we shared the same wait event for "mmap" and "posix" DSM types.
Let's introduce a new wait event "DSMAllocate", to be more accurate.
Reported-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/20220711174518.yldckniicknsxgzl%40awork3.anarazel.de
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In early releases of the DSM infrastructure, it was possible to resize
segments. That was removed in release 12 by commit 3c60d0fa. Now the
ftruncate() + posix_fallocate() sequence during DSM segment creation has
a redundant step: we're always extending from zero to the desired size,
so we might as well just call posix_fallocate().
Let's also include the remaining ftruncate() call (non-Linux POSIX
systems) in the wait event reporting, for good measure.
Discussion: https://postgr.es/m/CA%2BhUKGJSm-nq8s%2B_59zb7NbFQF-OS%3DxTnTAiGLrQpuSmU2y_1A%40mail.gmail.com
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On Linux, we call posix_fallocate() on shm_open()'d memory to avoid
later potential SIGBUS (see commit 899bd785).
Based on field reports of systems stuck in an EINTR retry loop there,
there, we made it possible to break out of that loop via slightly odd
coding where the CHECK_FOR_INTERRUPTS() call was somewhat removed from
the loop (see commit 422952ee).
On further reflection, that was not a great choice for at least two
reasons:
1. If interrupts were held, the CHECK_FOR_INTERRUPTS() would do nothing
and the EINTR error would be surfaced to the user.
2. If EINTR was reported but neither QueryCancelPending nor
ProcDiePending was set, then we'd dutifully retry, but with a bit more
understanding of how posix_fallocate() works, it's now clear that you
can get into a loop that never terminates. posix_fallocate() is not a
function that can do some of the job and tell you about progress if it's
interrupted, it has to undo what it's done so far and report EINTR, and
if signals keep arriving faster than it can complete (cf recovery
conflict signals), you're stuck.
Therefore, for now, we'll simply block most signals to guarantee
progress. SIGQUIT is not blocked (see InitPostmasterChild()), because
its expected handler doesn't return, and unblockable signals like
SIGCONT are not expected to arrive at a high rate. For good measure,
we'll include the ftruncate() call in the blocked region, and add a
retry loop.
Back-patch to all supported releases.
Reported-by: Alvaro Herrera <alvherre@alvh.no-ip.org>
Reported-by: Nicola Contu <nicola.contu@gmail.com>
Reviewed-by: Alvaro Herrera <alvherre@alvh.no-ip.org>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/20220701154105.jjfutmngoedgiad3%40alvherre.pgsql
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E.g. means "for example" and i.e. means "that is". Fix a couple uses
that don't match the intended meaning.
Kyotaro Horiguchi
Reviewed by Junwang Zhao and Aleksander Alekseev, with one addition by me
Discussion: https://www.postgresql.org/message-id/flat/20220713.180943.589079824955875739.horikyota.ntt%40gmail.com
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No members of the buildfarm are using this version of Visual Studio,
resulting in all the code cleaned up here as being mostly dead, and
VS2017 is the oldest version still supported.
More versions could be cut, but the gain would be minimal, while
removing only VS2013 has the advantage to remove from the core code all
the dependencies on the value defined by _MSC_VER, where compatibility
tweaks have accumulated across the years mostly around locales and
strtof(), so that's a nice isolated cleanup.
Note that this commit additionally allows a revert of 3154e16. The
versions of Visual Studio now supported range from 2015 to 2022.
Author: Michael Paquier
Reviewed-by: Juan José Santamaría Flecha, Tom Lane, Thomas Munro, Justin
Pryzby
Discussion: https://postgr.es/m/YoH2IMtxcS3ncWn+@paquier.xyz
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The argument required by --valid-until, a timestamp string, was missing
in the description of --help.
Author: Shinoda, Noriyoshi
Reviewed-by: Nathan Bossart
Discussion: https://postgr.es/m/DM4PR84MB1734A6CE3839A68B59BEA599EE899@DM4PR84MB1734.NAMPRD84.PROD.OUTLOOK.COM
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We'll do this the hard way for today.
Discussion: https://postgr.es/m/20220713.160853.453362706160476128.horikyota.ntt@gmail.com
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This reverts commit 617d69141220f277170927e03a19d2f1b77aed77.
While I still think the basic idea is attractive, we need to sort
out what happens with built .c files, and there also seem to be
VPATH issues.
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Commit 9c727360b neglected the lesson we've learned before:
protect references to backend global variables with #ifndef FRONTEND.
Since there's already a place for static inlines in this file,
move the just-converted functions to that stanza. Undo the
entirely gratuitous de-macroization of RelationGetNumberOfBlocks
(that one may be okay, since it has no global variable references,
but it's also pointless).
Per buildfarm.
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The backend already used a mechanically-generated list of *.c files,
but everywhere else we had a manually-written-out list of files in
which to seek translatable messages. Commit b0a55e432 contains the
latest in a long line of failures to update those lists. Rather than
manually fix its oversight, let's change to using "$(wildcard *.c)"
in all these nls.mk files.
Many of these files also have manual references to some *.c files
in other directories, most often src/common/. Perhaps we should try
to improve that situation too; but it's a bit less clear how, so for
now just fix the local file references.
Kyotaro Horiguchi and Tom Lane
Discussion: https://postgr.es/m/20220713.160853.453362706160476128.horikyota.ntt@gmail.com
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The initial version of gen_node_support.pl manually excluded most
utility statement node types from having out/read support, and
also some raw-parse-tree-only node types. That was mostly to keep
the output comparable to the old hand-maintained code. We'd like
to have out/read support for utility statements, for debugging
purposes and so that they can be included in new-style SQL functions;
so it's time to lift that restriction.
Most if not all of the previously-excluded raw-parse-tree-only node
types can appear in expression subtrees of utility statements, so
they have to be handled too.
We don't quite have full read support yet; certain custom_read_write
node types need to have their handwritten read functions implemented
before that will work.
Doing this allows us to drop the previous hack in _outQuery to not
dump the utilityStmt field in most cases, which means we no longer
need manually-maintained out/read functions for Query, so get rid
of those in favor of auto-generating them.
Fix a couple of omissions in gen_node_support.pl that are exposed
through having to handle more node types.
catversion bump forced because somebody was sloppy about the field
order in the manually-maintained Query out/read functions.
(Committers should note that almost all changes in parsenodes.h
are now grounds for a catversion bump.)
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Reviewed-by: Amul Sul <sulamul@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/5b558da8-99fb-0a99-83dd-f72f05388517%40enterprisedb.com
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Reviewed-by: Amul Sul <sulamul@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/5b558da8-99fb-0a99-83dd-f72f05388517%40enterprisedb.com
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Commit 054325c5eeb3 created a memory leak in PQsendQueryInternal in case
an error occurs while sending the message. Repair.
Backpatch to 14, like that commit. Reported by Coverity.
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In what must have been a copy'n paste mistake, all the flag tests use
the same flag rather than a different flag each. The bug is not
suprising, considering that it's dead code; add a minimal, testimonial
line to cover it.
This is all pretty inconsequential, because this is just example code,
but it had better be correct.
Discussion: https://postgr.es/m/20220712152059.fwli2majwgzdmh4r@alvherre.pgsql
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Previously, the STORAGE specification was only available in ALTER
TABLE. This makes it available in CREATE TABLE as well.
Also make the code and the documentation for STORAGE and COMPRESSION
attributes consistent.
Author: Teodor Sigaev <teodor@sigaev.ru>
Author: Aleksander Alekseev <aleksander@timescale.com>
Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Reviewed-by: wenjing zeng <wjzeng2012@gmail.com>
Reviewed-by: Matthias van de Meent <boekewurm+postgres@gmail.com>
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Discussion: https://postgr.es/m/de83407a-ae3d-a8e1-a788-920eb334f25b@sigaev.ru
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We don't need Assert(IsA(foo, String)) right before running
strVal(foo), since strVal() already does the assertion internally (via
castNode()).
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Read/out support in 5ca0fe5c8ad7 was missing/incomplete, per Tom Lane.
Again, as far as core is concerned, this is not only dead code but also
untested; however, third parties may come to rely on it, so the standard
features should work.
Discussion: https://postgr.es/m/1548311.1657636605@sss.pgh.pa.us
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88dad06b47eb80f699211c9b0b7a1c6d9016ad19 contains a make $(shell)
construct that apparently confuses older GNU make versions (possibly
because of the # inside the shell command?). This construct, which
would allow # comments inside LINGUAS files, was adapted from gettext
recommendations, but we don't actually need that functionality, so
sidestep this whole issue by just using plain "cat".
In passing, make this code work with vpath.
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This moves the list of available languages from nls.mk into a separate
file called po/LINGUAS. Advantages:
- It keeps the parts notionally managed by programmers (nls.mk)
separate from the parts notionally managed by translators (LINGUAS).
- It's the standard practice recommended by the Gettext manual
nowadays.
- The Meson build system also supports this layout (and of course
doesn't know anything about our custom nls.mk), so this would enable
sharing the list of languages between the two build systems.
(The MSVC build system currently finds all po files by globbing, so it
is not affected by this change.)
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/flat/557a9f5c-e871-edc7-2f58-a4140fb65b7b@enterprisedb.com
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When checking for interleaved partitions, we mark the partition as
interleaved when;
1. we find an earlier partition index when looping over the
sorted-by-Datum indexes[] array, or;
2. we find that the NULL partition allows some non-NULL Datum value.
In the code, as it was written in db632fbca we'll continue to check for
case 2 when we've already marked the partition as interleaved for case 1.
Here we make it so we don't bother marking the partition as interleaved
for case 2 when it's already been marked due to case 1.
Really all this saves is a useless call to bms_add_member(), but since
this code is new to PG15, it seems worth fixing it now to save anyone the
trouble of complaining at some time in the future. We have the
opportunity to improve this now before PG15 is out. This might ease some
future back-patching pain.
Per report and patch by Zhihong Yu. However, I slightly revised the
comments and altered the bms_add_member() code to match in both locations.
We already know that index is equal to boundinfo->null_index from the if
condition.
Author: Zhihong Yu
Discussion: https://postgr.es/m/CALNJ-vQbZR0pYxz9zQ5bqXVcwtGgNgVupeEpNT65HZ+yWZnc4g@mail.gmail.com
Backpatch-through: 15, same as db632fbca.
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The following options are added to createuser:
* --valid-until to generate a VALID UNTIL clause for the role created.
* --bypassrls/--no-bypassrls for BYPASSRLS/NOBYPASSRLS.
* -m/--member to make the new role a member of an existing role, with an
extra ROLE clause generated. The clause generated overlaps with
-g/--role, but per discussion this was the most popular choice as option
name.
* -a/--admin for the addition of an ADMIN clause.
These option names are chosen to be completely new, so as they do not
impact anybody relying on the existing option set. Tests are added for
the new options and extended a bit, while on it, to cover more patterns
where quotes are added to various elements of the query generated.
Author: Shinya Kato
Reviewed-by: Nathan Bossart, Daniel Gustafsson, Robert Haas, Kyotaro
Horiguchi, David G. Johnston, Przemysław Sztoch
Discussion: https://postgr.es/m/69a9851035cf0f0477bcc5d742b031a3@oss.nttdata.com
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Truncating off the end of a freshly copied List is not a very efficient
way of copying the first N elements of a List.
In many of the cases that are updated here, the pattern was only being
used to remove the final element of a List. That's about the best case
for it, but there were many instances where the truncate trimming the List
down much further.
4cc832f94 added list_copy_head(), so let's use it in cases where it's
useful.
Author: David Rowley
Discussion: https://postgr.es/m/1986787.1657666922%40sss.pgh.pa.us
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This utility supports 23 options that are not really ordered in the
code, making the addition of new things more complicated than necessary.
This cleanup is in preparation for a patch to add even more options.
Discussion: https://postgr.es/m/69a9851035cf0f0477bcc5d742b031a3@oss.nttdata.com
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There are a few things that we could do a little better within
get_cheapest_group_keys_order():
1. We should be using list_free() rather than pfree() on a List.
2. We should use for_each_from() instead of manually coding a for loop to
skip the first n elements of a List
3. list_truncate(list_copy(...), n) is not a great way to copy the first n
elements of a list. Let's invent list_copy_head() for that. That way we
don't need to copy the entire list just to truncate it directly
afterwards.
4. We can simplify finding the cheapest cost by setting the cheapest cost
variable to DBL_MAX. That allows us to skip special-casing the initial
iteration of the loop.
Author: David Rowley
Discussion: https://postgr.es/m/CAApHDvrGyL3ft8waEkncG9y5HDMu5TFFJB1paoTC8zi9YK97Nw@mail.gmail.com
Backpatch-through: 15, where get_cheapest_group_keys_order was added.
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Previously, ECPG could only cope with variable declarations whose
type names either weren't any SQL keyword, or were at least partially
reserved. If you tried to use something in the unreserved_keyword
category, you got a syntax error.
This is pretty awful, not only because it says right on the tin that
those words are not reserved, but because the set of such keywords
tends to grow over time. Thus, an ECPG program that was just fine
last year could fail when recompiled with a newer SQL grammar.
We had to work around this recently when STRING became a keyword,
but it's time for an actual fix instead of a band-aid.
To fix, borrow a trick from C parsers and make the lexer's behavior
change when it sees a word that is known as a typedef. This is not
free of downsides: if you try to use such a name as a SQL keyword
in EXEC SQL later in the program, it won't be recognized as a SQL
keyword, leading to a syntax error there instead. So in a real
sense this is just trading one hazard for another. But there is an
important difference: with this, whether your ECPG program works
depends only on what typedef names and SQL commands are used in the
program text. If it compiles today it'll still compile next year,
even if more words have become SQL keywords.
Discussion: https://postgr.es/m/3661437.1653855582@sss.pgh.pa.us
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Justin Pryzby reported that some scenarios could cause gathering
of extended statistics to spend many seconds in an un-cancelable
qsort() operation. To fix, invent qsort_interruptible(), which is
just like qsort_arg() except that it will also do CHECK_FOR_INTERRUPTS
every so often. This bloats the backend by a couple of kB, which
seems like a good investment. (We considered just enabling
CHECK_FOR_INTERRUPTS in the existing qsort and qsort_arg functions,
but there are some callers for which that'd demonstrably be unsafe.
Opt-in seems like a better way.)
For now, just apply qsort_interruptible() in statistics collection.
There's probably more places where it could be useful, but we can
always change other call sites as we find problems.
Back-patch to v14. Before that we didn't have extended stats on
expressions, so that the problem was less severe. Also, this patch
depends on the sort_template infrastructure introduced in v14.
Tom Lane and Justin Pryzby
Discussion: https://postgr.es/m/20220509000108.GQ28830@telsasoft.com
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validate_exec() didn't guarantee to set errno to something appropriate
after a failure, leading to callers not being able to print an on-point
message. Improve that.
Noted by Kyotaro Horiguchi, though this isn't exactly his proposal.
Discussion: https://postgr.es/m/20220615.131403.1791191615590453058.horikyota.ntt@gmail.com
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pg_upgrade does not use common/logging.c, which is unfortunate
but changing it to do so seems like more work than is justified.
However, we really need to make it work more like common/logging.c
in one respect: the latter expects supplied message strings to not
end with a newline, instead adding one internally. As it stands,
pg_upgrade's logging facilities expect a caller-supplied newline
in some cases and not others, which is already an invitation to bugs,
but the inconsistency with our other frontend code makes it worse.
There are already several places with missing or extra newlines,
and it's inevitable that there won't be more if we let this stand.
Hence, run around and get rid of all trailing newlines in message
strings, and add an Assert that there's not one, similar to the
existing Assert in common/logging.c. Adjust the logging functions
to supply a newline at the right places.
(Some of these strings also have a *leading* newline, which would
be a good thing to get rid of too; but this patch doesn't attempt
that.)
There are some consequent minor changes in output. The ones that
aren't outright bug fixes are generally removal of extra blank
lines that the original coding intentionally inserted. It didn't
seem worth being bug-compatible with that.
Patch by me, reviewed by Kyotaro Horiguchi and Peter Eisentraut
Discussion: https://postgr.es/m/113191.1655233060@sss.pgh.pa.us
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Having different build systems producing different contents of the
NodeTag enum would be catastrophic for extension ABI stability.
But that ordering depends on the order in which gen_node_support.pl
processes its input files. It seems too fragile to let the Makefiles,
MSVC build scripts, and soon meson build scripts all set this order
independently. As a klugy but serviceable solution, put a canonical
copy of the file list into gen_node_support.pl itself, and check that
against the files given on the command line.
Also, while it's fine to add and delete node tags during development,
we must not let the assigned NodeTag values change unexpectedly in
stable branches. Add a cross-check that can be enabled when a branch
is forked off (or later, but that is a time when we're unlikely to
miss doing it). It just checks that the last auto-assigned number
doesn't change, which is simplistic but will catch the most likely
sorts of mistakes.
From time to time we do need to add a node tag in a stable branch.
To support doing that without changing the branch's auto-assigned
tag numbers, invent pg_node_attr(nodetag_number(VALUE)) which can
be used to give such a node a hand-assigned tag above the last
auto-assigned one.
Discussion: https://postgr.es/m/1249010.1657574337@sss.pgh.pa.us
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This allows explaining gen_node_support.pl's handling of execnodes.h
and some other input files as being a shortcut for explicit marking
of all their node declarations as pg_node_attr(nodetag_only).
I foresee that someday we might need to be more fine-grained about
that, and this change provides the infrastructure needed to do so.
For now, it just allows removal of the script's klugy special case
for CallContext and InlineCodeBlock.
Discussion: https://postgr.es/m/75063.1657410615@sss.pgh.pa.us
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This is definitely shorter, and hopefully clearer.
Kyotaro Horiguchi, reviewed by Dilip Kumar and by me
Discussion: http://postgr.es/m/20220707.174436.1885393789789795413.horikyota.ntt@gmail.com
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Commit f10a025cfe97 added support for List to store Xids, but didn't
handle the new type in all cases. Add some obviously necessary pieces.
As far as I am aware, this is all dead code as far as core code is
concerned, but it seems unacceptable not to have it in case third-party
code wants to rely on this type of list. (Some parts of the List API
remain unimplemented, but that can be fixed as and when needed -- see
lack of list_intersection_oid, list_deduplicate_int as precedents.)
Discussion: https://postgr.es/m/20220708164534.nbejhgt4ajz35p65@alvherre.pgsql
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Commit 3838fa269 added a lookahead loop to allow building strings multiple
bytes at a time. This loop could exit because it reached the end of input,
yet did not check for that before checking if we reached the end of a
valid string. To fix, put the end of string check back in the outer loop.
Per Valgrind animal skink
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Now some foreign data wrappers support TRUNCATE command.
So it's useful to support TRUNCATE triggers on foreign tables for
audit logging or for preventing undesired truncation.
Author: Yugo Nagata
Reviewed-by: Fujii Masao, Ian Lawrence Barwick
Discussion: https://postgr.es/m/20220630193848.5b02e0d6076b86617a915682@sraoss.co.jp
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Further to commit 92d70b77, let's drop the code we carry for the
following untested architectures: M68K, M88K, M32R, SuperH. We have no
idea if anything actually works there, and surely as vintage hardware
and microcontrollers they would be underpowered for modern purposes.
We could always consider re-adding SuperH based on evidence of usage and
build farm support, if someone shows up to provide it.
While here, SPARC is usually written in all caps.
Suggested-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Robert Haas <robertmhaas@gmail.com> (the idea, not the patch)
Discussion: https://postgr.es/m/959917.1657522169%40sss.pgh.pa.us
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Refactor so that log_line_prefix() is a thin wrapper over a new
function log_status_format(), and move the implementation to the
latter. Export log_status_format() so that it can be used by an
emit_log_hook.
Discussion: https://postgr.es/m/39c8197652f4d3050aedafae79fa5af31096505f.camel%40j-davis.com
Reviewed-by: Michael Paquier, Alvaro Herrera
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Per a question from Andres Freund. While here, also make the
list of nodetag-only files easier to compare to the full list
of input files.
Discussion: https://postgr.es/m/20220710214622.haiektrjzisob6rl@awork3.anarazel.de
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Kyotaro Horiguchi
Discussion: http://postgr.es/m/20220708.145951.382076151410075693.horikyota.ntt@gmail.com
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Remove PageIsValid() and PageSizeIsValid(), which weren't used and
seem unnecessary.
Some code using these formerly-macros needs some adjustments because
it was previously playing loose with the Page vs. PageHeader types,
which is no longer possible with the functions instead of macros.
Reviewed-by: Amul Sul <sulamul@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/5b558da8-99fb-0a99-83dd-f72f05388517%40enterprisedb.com
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dshash.c previously maintained flags to be able to assert that you
didn't hold any partition lock. These flags could get out of sync with
reality in error scenarios.
Get rid of all that, and make assertions about the locks themselves
instead. Since LWLockHeldByMe() loops internally, we don't want to put
that inside another loop over all partition locks. Introduce a new
debugging-only interface LWLockAnyHeldByMe() to avoid that.
This problem was noted by Tom and Andres while reviewing changes to
support the new shared memory stats system, and later showed up in
reality while working on commit 389869af.
Back-patch to 11, where dshash.c arrived.
Reported-by: Tom Lane <tgl@sss.pgh.pa.us>
Reported-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Reviewed-by: Zhihong Yu <zyu@yugabyte.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/20220311012712.botrpsikaufzteyt@alap3.anarazel.de
Discussion: https://postgr.es/m/CA%2BhUKGJ31Wce6HJ7xnVTKWjFUWQZPBngxfJVx4q0E98pDr3kAw%40mail.gmail.com
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