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It's become apparent during testing that there are problems with at
least the testing regime. I don't think we should have it without a
working test regime, and the difficulties might indicate implementation
problems anyway, so I'm backing out the whole thing until that's sorted
out.
This reverts commits 7459484 9989f92 cd8ce3a
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Commit 9be95ef15 failed to cure all of the redundancy here: we were
actually calling get_major_server_version() three times for each
of the old and new data directories. While that's not enormously
expensive, it's still sloppy.
A. Akenteva
Discussion: https://postgr.es/m/f9266a85d918a3cf3a386b5148aee666@postgrespro.ru
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This continues the work of commit 91aec93e6 by getting rid of a lot of
Windows-specific funny business in "section 0". Instead of including
pg_config_os.h in different places depending on platform, let's
standardize on putting it before the system headers, and in consequence
reduce win32.h to just what has to appear before the system headers or
the body of c.h (the latter category seems to include only PGDLLIMPORT
and PGDLLEXPORT). The rest of what was in win32.h is moved to a new
sub-include of port.h, win32_port.h. Some of what was in port.h seems
to better belong there too.
It's possible that I missed some declaration ordering dependency that
needs to be preserved, but hopefully the buildfarm will find that
out in short order.
Unlike the previous commit, no back-patch, since this is just cleanup
not a prerequisite for a bug fix.
Discussion: https://postgr.es/m/29650.1510761080@sss.pgh.pa.us
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Move the sub-routines wrappers to check if a connection to a server is
fine or not into the test main module. This is useful for other tests
willing to check connectivity into a server.
Author: Michael Paquier <michael@paquier.xyz>
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The module requires a preloaded library and the defect can't be cured by
a LOAD instruction in the test script. To achieve this we override the
installcheck target in the module's Makefile, and exclude ithe module in
vcregress.pl.
Along the way, revert commit 9989f92aabd.
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Code should be using true and false. Existing code can be changed to
those in a backward compatible way.
The definitions in the ecpg header files are left around to avoid
upsetting those users unnecessarily.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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Some code is moved from partition.c, which has grown very quickly lately;
splitting the executor parts out might help to keep it from getting
totally out of control. Other code is moved from execMain.c. All is
moved to a new file execPartition.c. get_partition_for_tuple now has
a new interface that more clearly separates executor concerns from
generic concerns.
Amit Langote. A slight comment tweak by me.
Discussion: http://postgr.es/m/1f0985f8-3b61-8bc4-4350-baa6d804cb6d@lab.ntt.co.jp
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These hooks can be used in loadable modules. A simple test module is
included.
Discussion: https://postgr.es/m/20170720204733.40f2b7eb.nagata@sraoss.co.jp
FabrÃzio de Royes Mello and Yugo Nagata
Reviewed by Michael Paquier and Aleksandr Parfenov
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Jesper Pedersen
Discussion: http://postgr.es/m/000f92d6-f623-95a5-b341-46e2c0495cea@redhat.com
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Sometimes, for testing, it's useful to have the leader do nothing but
read tuples from workers; and it's possible that could work out better
even in production.
Thomas Munro, reviewed by Amit Kapila and by me. A few final tweaks
by me.
Discussion: http://postgr.es/m/CAEepm=2U++Lp3bNTv2Bv_kkr5NE2pOyHhxU=G0YTa4ZhSYhHiw@mail.gmail.com
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Our initial work with int128 neglected alignment considerations, an
oversight that came back to bite us in bug #14897 from Vincent Lachenal.
It is unsurprising that int128 might have a 16-byte alignment requirement;
what's slightly more surprising is that even notoriously lax Intel chips
sometimes enforce that.
Raising MAXALIGN seems out of the question: the costs in wasted disk and
memory space would be significant, and there would also be an on-disk
compatibility break. Nor does it seem very practical to try to allow some
data structures to have more-than-MAXALIGN alignment requirement, as we'd
have to push knowledge of that throughout various code that copies data
structures around.
The only way out of the box is to make type int128 conform to the system's
alignment assumptions. Fortunately, gcc supports that via its
__attribute__(aligned()) pragma; and since we don't currently support
int128 on non-gcc-workalike compilers, we shouldn't be losing any platform
support this way.
Although we could have just done pg_attribute_aligned(MAXIMUM_ALIGNOF) and
called it a day, I did a little bit of extra work to make the code more
portable than that: it will also support int128 on compilers without
__attribute__(aligned()), if the native alignment of their 128-bit-int
type is no more than that of int64.
Add a regression test case that exercises the one known instance of the
problem, in parallel aggregation over a bigint column.
This will need to be back-patched, along with the preparatory commit
91aec93e6. But let's see what the buildfarm makes of it first.
Discussion: https://postgr.es/m/20171110185747.31519.28038@wrigleys.postgresql.org
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Generalize section 1 to handle stuff that is principally about the
compiler (not libraries), such as attributes, and collect stuff there
that had been dropped into various other parts of c.h. Also, push
all the gettext macros into section 8, so that section 0 is really
just inclusions rather than inclusions and random other stuff.
The primary goal here is to get pg_attribute_aligned() defined before
section 3, so that we can use it with int128. But this seems like good
cleanup anyway.
This patch just moves macro definitions around, and shouldn't result
in any changes in generated code. But I'll push it out separately
to see if the buildfarm agrees.
Discussion: https://postgr.es/m/20171110185747.31519.28038@wrigleys.postgresql.org
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Instead of passing large swaths of boolean arguments, define some flags
that can be used in a bitmask. This makes it easier not only to figure
out what each call site is doing, but also to add some new flags.
The flags are split in two -- one set for index_create directly and
another for constraints. index_create() itself receives both, and then
passes down the latter to index_constraint_create(), which can also be
called standalone.
Discussion: https://postgr.es/m/20171023151251.j75uoe27gajdjmlm@alvherre.pgsql
Reviewed-by: Simon Riggs
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This feature caters to specialized use-cases such as running the normal
pgbench scenario with nonstandard indexes, or inserting other actions
between steps of the initialization sequence. The normal sequence of
initialization actions is broken down into half a dozen steps which can
be executed in a user-specified order, to the extent to which that's
sensible. The actions themselves aren't changed, except to make them
more robust against nonstandard uses:
* all four tables are now dropped in one DROP command, to reduce
assumptions about what foreign key relationships exist;
* all four tables are now truncated at the start of the data load
step, for consistency;
* the foreign key creation commands now specify constraint names, to
prevent accidentally creating duplicate constraints by executing the
'f' step twice.
Make some cosmetic adjustments in the messages emitted by pgbench
so that it's clear which steps are getting run, and so that the
messages agree with the documented names of the steps.
In passing, fix failure to enforce that the -v option is used only
in benchmarking mode.
Masahiko Sawada, reviewed by Fabien Coelho, editorialized a bit by me
Discussion: https://postgr.es/m/CAD21AoCsz0ZzfCFcxYZ+PUdpkDd5VsCSG0Pre_-K1EgokCDFYA@mail.gmail.com
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We already do this for Gather, but it got overlooked for Gather Merge.
Amit Kapila, with review and minor revisions by Rushabh Lathia
and by me.
Discussion: http://postgr.es/m/CAA4eK1KUC5Uyu7qaifxrjpHxbSeoQh3yzwN3bThnJsmJcZ-qtA@mail.gmail.com
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Up until now, we only tracked the number of parameters, which was
sufficient to allocate an array of Datums of the appropriate size,
but not sufficient to, for example, know how to serialize a Datum
stored in one of those slots. An upcoming patch wants to do that,
so add this tracking to make it possible.
Patch by me, reviewed by Tom Lane and Amit Kapila.
Discussion: http://postgr.es/m/CA+TgmoYqpxDKn8koHdW8BEKk8FMUL0=e8m2Qe=M+r0UBjr3tuQ@mail.gmail.com
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Determinisitcally -> Deterministically
Author: Michael Paquier <michael.paquier@gmail.com>
Discussion: https://postgr.es/m/CAB7nPqSauJ9gUMzj1aiXQVxqEkyko+WZ+wUac8_hB_M_bO6U_A@mail.gmail.com
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Also, add a warning to catch future instances of naming a nonexistent
file as a prerequisite. Back-patch to 9.3 (all supported versions).
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Apart from calling write_stderr() on failure, the handler depends on no
PostgreSQL facilities. We have experienced crashes before reaching the
former call site. Given such an early crash, this change cannot hurt
and may produce a helpful dump. Absent an early crash, this change has
no effect. Back-patch to 9.3 (all supported versions).
Takayuki Tsunakawa
Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1F80CD13@G01JPEXMBYT05
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PostgreSQL running as a Windows service crashed upon calling
write_stderr() before MemoryContextInit(). This fix completes work
started in 5735efee15540765315aa8c1a230575e756037f7. Messages this
early contain only ASCII bytes; if we removed the CurrentMemoryContext
requirement, the ensuing conversions would have no effect. Back-patch
to 9.3 (all supported versions).
Takayuki Tsunakawa, reviewed by Michael Paquier.
Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1F80CC73@G01JPEXMBYT05
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This suite had been a proper superset of the regular ecpg test suite,
but the three newest tests didn't reach it. To make this less likely to
recur, delete the extra schedule file and pass the TCP-specific test on
the command line. Back-patch to 9.3 (all supported versions).
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Since commit 868898739a8da9ab74c105b8349b7b5c711f265a, it has assumed
"localhost" resolves to both ::1 and 127.0.0.1. We gain nothing from
that assumption, and it does not hold in a default installation of Red
Hat Enterprise Linux 5. Back-patch to 9.3 (all supported versions).
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To ensure stable output, catch one more configuration-specific error.
Back-patch to 9.3, like the commit that added the test.
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When a value contained an XML declaration naming some other encoding,
this function interpreted UTF8 bytes as the named encoding, yielding
mojibake. xml_parse() already has similar logic. This would be
necessary but not sufficient for non-UTF8 databases, so preserve
behavior there until the xpath facility can support such databases
comprehensively. Back-patch to 9.3 (all supported versions).
Pavel Stehule and Noah Misch
Discussion: https://postgr.es/m/CAFj8pRC-dM=tT=QkGi+Achkm+gwPmjyOayGuUfXVumCxkDgYWg@mail.gmail.com
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Dilip Kumar, reviewed by Alexander Kumenkov, Amul Sul, and me.
Some final adjustments by me.
Discussion: http://postgr.es/m/CAFiTN-sYtqUOXQ4SpuhTv0Z9gD0si3YxZGv_PQAAMX8qbOotcg@mail.gmail.com
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An LDAP URL without a host name such as "ldap://" or without a base DN
such as "ldap://localhost" would cause a crash when reading pg_hba.conf.
If no binddn is configured, an error message might end up trying to print a
null pointer, which could crash on some platforms.
Author: Thomas Munro <thomas.munro@enterprisedb.com>
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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Reviewed-by: Fabien COELHO <coelho@cri.ensmp.fr>
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Etsuro Fujita
Discussion: http://postgr.es/m/5A05728E.4050009@lab.ntt.co.jp
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Hash partitioning is useful when you want to partition a growing data
set evenly. This can be useful to keep table sizes reasonable, which
makes maintenance operations such as VACUUM faster, or to enable
partition-wise join.
At present, we still depend on constraint exclusion for partitioning
pruning, and the shape of the partition constraints for hash
partitioning is such that that doesn't work. Work is underway to fix
that, which should both improve performance and make partitioning
pruning work with hash partitioning.
Amul Sul, reviewed and tested by Dilip Kumar, Ashutosh Bapat, Yugo
Nagata, Rajkumar Raghuwanshi, Jesper Pedersen, and by me. A few
final tweaks also by me.
Discussion: http://postgr.es/m/CAAJ_b96fhpJAP=ALbETmeLk1Uni_GFZD938zgenhF49qgDTjaQ@mail.gmail.com
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Up to now, ACL checks for large objects happened at the level of
the SQL-callable functions, which led to CVE-2017-7548 because of a
missing check. Push them down to be enforced in inv_api.c as much
as possible, in hopes of preventing future bugs. This does have the
effect of moving read and write permission errors to happen at lo_open
time not loread or lowrite time, but that seems acceptable.
Michael Paquier and Tom Lane
Discussion: https://postgr.es/m/CAB7nPqRHmNOYbETnc_2EjsuzSM00Z+BWKv9sy6tnvSd5gWT_JA@mail.gmail.com
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While it's generally unwise to give permissions on these functions to
anyone but a superuser, we've been moving away from hard-wired permission
checks inside functions in favor of using the SQL permission system to
control access. Bring lo_import() and lo_export() into compliance with
that approach.
In particular, this removes the manual configuration option
ALLOW_DANGEROUS_LO_FUNCTIONS. That dates back to 1999 (commit 4cd4a54c8);
it's unlikely anyone has used it in many years. Moreover, if you really
want such behavior, now you can get it with GRANT ... TO PUBLIC instead.
Michael Paquier
Discussion: https://postgr.es/m/CAB7nPqRHmNOYbETnc_2EjsuzSM00Z+BWKv9sy6tnvSd5gWT_JA@mail.gmail.com
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The header comment written into postgresql.auto.conf by ALTER SYSTEM
should match what initdb put there originally.
Feike Steenbergen
Discussion: https://postgr.es/m/CAK_s-G0KcKdO=0hqZkwb3s+tqZuuHwWqmF5BDsmoO9FtX75r0g@mail.gmail.com
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Somebody messed up a refactoring here. As it stood, we'd check pg_ctl's
--version output twice for each cluster. Worse, the first check for the
new cluster's version happened before we'd done any validate_exec checks
there, breaking the check ordering the code intended.
A. Akenteva
Discussion: https://postgr.es/m/f9266a85d918a3cf3a386b5148aee666@postgrespro.ru
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The point of having separate ResourceOwnerEnlargeFoo and
ResourceOwnerRememberFoo functions is so that resource allocation
can happen in between. Doing it in some other order is just wrong.
OpenTemporaryFile() did open(), enlarge, remember, which would leak the
open file if the enlarge step ran out of memory. Because fd.c has its own
layer of resource-remembering, the consequences look like they'd be limited
to an intratransaction FD leak, but it's still not good.
IncrBufferRefCount() did enlarge, remember, incr-refcount, which would blow
up if the incr-refcount step ever failed. It was safe enough when written,
but since the introduction of PrivateRefCountHash, I think the assumption
that no error could happen there is pretty shaky.
The odds of real problems from either bug are probably small, but still,
back-patch to supported branches.
Thomas Munro and Tom Lane, per a comment from Andres Freund
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The lower case spellings are C and C++ standard and are used in most
parts of the PostgreSQL sources. The upper case spellings are only used
in some files/modules. So standardize on the standard spellings.
The APIs for ICU, Perl, and Windows define their own TRUE and FALSE, so
those are left as is when using those APIs.
In code comments, we use the lower-case spelling for the C concepts and
keep the upper-case spelling for the SQL concepts.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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Masahiko Sawada
Discussion: http://postgr.es/m/CAD21AoDrf5AOpZ-mX-j6O=zFNFfKaTdHkv3o1X2eSs2nBXALug@mail.gmail.com
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Per buildfarm member pademelon.
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isdigit(), isspace(), etc are likely to give surprising results if passed a
signed char. We should always cast the argument to unsigned char to avoid
that. Error in commit 63d6b97fd, found by buildfarm member gaur.
Back-patch to 9.3, like that commit.
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Previously server reserved WAL for last two checkpoints,
which used too much disk space for small servers.
Bumps PG_CONTROL_VERSION
Author: Simon Riggs <simon@2ndQuadrant.com>
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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Add docs to explain this for other backup mechanisms
Author: David Steele <david@pgmasters.net>
Reviewed-by: Petr Jelinek <petr.jelinek@2ndQuadrant.com> et al
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configure computed PG_VERSION_NUM incorrectly. (Coulda sworn I tested
that logic back when, but it had an obvious thinko.)
pg_upgrade had not been taught about the new dispensation with just
one part in the major version number.
Both things accidentally failed to fail with 10.0, but with 10.1 we
got the wrong results.
Per buildfarm.
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The problem reported as CVE-2017-15098 was already resolved in HEAD by
commit 37a795a60, but let's add the relevant test cases anyway.
Michael Paquier and Tom Lane, per a report from David Rowley.
Security: CVE-2017-15098
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The update path of an INSERT ... ON CONFLICT DO UPDATE requires SELECT
permission on the columns of the arbiter index, but it failed to check
for that in the case of an arbiter specified by constraint name.
In addition, for a table with row level security enabled, it failed to
check updated rows against the table's SELECT policies when the update
path was taken (regardless of how the arbiter index was specified).
Backpatch to 9.5 where ON CONFLICT DO UPDATE and RLS were introduced.
Security: CVE-2017-15099
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Makefile.global assigns this prerequisite to every target named "check",
but similar targets must mention it explicitly. Affected targets
failed, tested $PATH binaries, or tested a stale temporary installation.
The src/test/modules examples worked properly when called as "make -C
src/test/modules/$FOO check", but "make -j" allowed the test to start
before the temporary installation was in place. Back-patch to 9.5,
where commit dcae5faccab64776376d354decda0017c648bb53 introduced the
shared temp-install.
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This restores the ability, essentially lost in commit
ffaa44cb559db332baeee7d25dedd74a61974203, to use COPY FREEZE under
REPEATABLE READ isolation. Back-patch to 9.4, like that commit.
Reviewed by Tom Lane.
Discussion: https://postgr.es/m/CA+TgmoahWDm-7fperBxzU9uZ99LPMUmEpSXLTw9TmrOgzwnORw@mail.gmail.com
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Author: Bernd Helmle <mailings@oopsware.de>
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Use "bool" for Boolean variables, rather than "int", matching backend
change f505edace12655f3491b9c91991731e2b6bf1f0b.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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Remove useless or inconsistently used return values from functions,
matching backend changes 99bf328237d89e0fd22821a940d4af0506353218 and
791359fe0eae83641f0929159d5861359d395e97.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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NSUnLinkModule() doesn't take a bool as second argument but one of set
of specific constants. The numeric values are the same in this case,
but clean it up while we're cleaning up bool use elsewhere.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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