| Commit message (Collapse) | Author | Age |
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Supporting ICU 4.2 seems useful because it ships with CentOS 6.
Versions before ICU 4.6 don't support pkg-config, so document an
installation method without using pkg-config.
In ICU 4.2, ucol_getKeywordsForLocale() sometimes returns values that
will not be accepted by uloc_toLanguageTag(). Skip loading keyword
variants in that version.
Reported-by: Victor Wagner <vitus@wagner.pp.ru>
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If the table being attached had different attribute numbers than the
parent, the old code could incorrectly decide it needed to be scanned.
Amit Langote, reviewed by Ashutosh Bapat
Discussion: http://postgr.es/m/CA+TgmobexgbBr2+Utw-pOMw9uxaBRKRjMW_-mmzKKx9PejPLMg@mail.gmail.com
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This allows a transaction abort to avoid killing those workers.
Author: Petr Jelinek <petr.jelinek@2ndquadrant.com>
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If it works, then we won't be storing two copies of all the tuples
that were just moved. If not, VACUUM will still take care of it
eventually. Per a report from AP and analysis from Amit Kapila, it
seems that a bulk load can cause splits fast enough that VACUUM won't
deal with the problem in time to prevent bloat.
Amit Kapila; I rewrote the comment.
Discussion: http://postgr.es/m/20170704105728.mwb72jebfmok2nm2@zip.com.au
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Per a report from AP, it's not that hard to exhaust the supply of
bitmap pages if you create a table with a hash index and then insert a
few billion rows - and then you start getting errors when you try to
insert additional rows. In the particular case reported by AP,
there's another fix that we can make to improve recycling of overflow
pages, which is another way to avoid the error, but there may be other
cases where this problem happens and that fix won't help. So let's
buy ourselves as much headroom as we can without rearchitecting
anything.
The comments claim that the old limit was 64GB, but it was really
only 32GB, because we didn't use all the bits in the page for bitmap
bits - only the largest power of 2 that could fit after deducting
space for the page header and so forth. Thus, we have 4kB per page
for bitmap bits, not 8kB. The new limit is thus actually 8 times the
old *real* limit but only 4 times the old *purported* limit.
Since this breaks on-disk compatibility, bump HASH_VERSION. We've
already done this earlier in this release cycle, so this doesn't cause
any incremental inconvenience for people using pg_upgrade from
releases prior to v10. However, users who use pg_upgrade to reach
10beta3 or later from 10beta2 or earlier will need to REINDEX any hash
indexes again.
Amit Kapila and Robert Haas
Discussion: http://postgr.es/m/20170704105728.mwb72jebfmok2nm2@zip.com.au
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If you do ALTER COLUMN SET NOT NULL against an inheritance parent table,
it will recurse to mark all the child columns as NOT NULL as well. This
is necessary for consistency: if the column is labeled NOT NULL then
reading it should never produce nulls.
However, that didn't happen in the case where ALTER ... ADD PRIMARY KEY
marks a target column NOT NULL that wasn't before. That was questionable
from the beginning, and now Tushar Ahuja points out that it can lead to
dump/restore failures in some cases. So let's make that case recurse too.
Although this is meant to fix a bug, it's enough of a behavioral change
that I'm pretty hesitant to back-patch, especially in view of the lack
of similar field complaints. It doesn't seem to be too late to put it
into v10 though.
Michael Paquier, editorialized on slightly by me
Discussion: https://postgr.es/m/b8794d6a-38f0-9d7c-ad4b-e85adf860fc9@enterprisedb.com
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We don't actually support session tickets, since we do not create an SSL
session identifier. But it seems that OpenSSL will issue a session ticket
on-demand anyway, which will then fail when used. This results in
reconnection failures when using ticket-aware client-side SSL libraries
(such as the Npgsql .NET driver), as reported by Shay Rojansky.
To fix, just tell OpenSSL not to issue tickets. At some point in the
far future, we might consider enabling tickets instead. But the security
implications of that aren't entirely clear; and besides it would have
little benefit except for very short-lived database connections, which is
Something We're Bad At anyhow. It would take a lot of other work to get
to a point where that would really be an exciting thing to do.
While at it, also tell OpenSSL not to use a session cache. This doesn't
really do anything, since a backend would never populate the cache anyway,
but it might gain some micro-efficiencies and/or reduce security
exposures.
Patch by me, per discussion with Heikki Linnakangas and Shay Rojansky.
Back-patch to all supported versions.
Discussion: https://postgr.es/m/CADT4RqBU8N-csyZuzaook-c795dt22Zcwg1aHWB6tfVdAkodZA@mail.gmail.com
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ALTER USER ... SET did not support all the syntax variants of ALTER ROLE
... SET. Fix that, and to avoid further deviations of this kind, unify
many the grammar rules for ROLE/USER/GROUP commands.
Reported-by: Pavel Golub <pavel@microolap.com>
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Because we push all ACL (i.e. GRANT/REVOKE) restore steps to the end,
materialized view refreshes were occurring while the permissions on
referenced objects were still at defaults. This led to failures if,
say, an MV owned by user A reads from a table owned by user B, even
if B had granted the necessary privileges to A. We've had multiple
complaints about that type of restore failure, most recently from
Jordan Gigov.
The ideal fix for this would be to start treating ACLs as dependency-
sortable objects, rather than hard-wiring anything about their dump order
(the existing approach is a messy kluge dating to commit dc0e76ca3).
But that's going to be a rather major change, and it certainly wouldn't
lead to a back-patchable fix. As a short-term solution, convert the
existing two-pass hack (ie, normal objects then ACLs) to a three-pass hack,
ie, normal objects then ACLs then matview refreshes. Because this happens
in RestoreArchive(), it will also fix the problem when restoring from an
existing archive-format dump.
(Note this means that if a matview refresh would have failed under the
permissions prevailing at dump time, it'll fail during restore as well.
We'll define that as user error rather than something we should try
to work around.)
To avoid performance loss in parallel restore, we need the matview
refreshes to still be parallelizable. Hence, clean things up enough
so that both ACLs and matviews are handled by the parallel restore
infrastructure, instead of reverting back to serial restore for ACLs.
There is still a final serial step, but it shouldn't normally have to
do anything; it's only there to try to recover if we get stuck due to
some problem like unresolved circular dependencies.
Patch by me, but it owes something to an earlier attempt by Kevin Grittner.
Back-patch to 9.3 where materialized views were introduced.
Discussion: https://postgr.es/m/28572.1500912583@sss.pgh.pa.us
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Commit 4d57e8381677 added support for getting I/O errors out of zlib,
but it introduced a portability problem for systems without zlib.
Repair by wrapping the zlib call inside #ifdef and restore the original
code in the other branch.
This serves to illustrate the inadequacy of the zlib abstraction in
pg_backup_archiver: there is no way to call gzerror() in that
abstraction. This means that the several places that call GZREAD and
GZWRITE are currently doing error reporting wrongly, but ENOTIME to get
it fixed before next week's release set.
Backpatch to 9.4, like the commit that introduced the problem.
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Amit Langote
Discussion: http://postgr.es/m/CAFjFpReT_kq_uwU_B8aWDxR7jNGE=P0iELycdq5oupi=xSQTOw@mail.gmail.com
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Amit Langote
Discussion: http://postgr.es/m/CAFjFpReT_kq_uwU_B8aWDxR7jNGE=P0iELycdq5oupi=xSQTOw@mail.gmail.com
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For a table, the constraint can be considered validated immediately,
because the table must be empty. But for a foreign table this is
not necessarily the case.
Fixes a bug in commit f27a6b15e6566fba7748d0d9a3fc5bcfd52c4a1b.
Amit Langote, with some changes by me.
Discussion: http://postgr.es/m/d2b7419f-4a71-cf86-cc99-bfd0f359a1ea@lab.ntt.co.jp
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Some of these comments wrongly implied that only an AFTER ROW trigger
will cause a 'wholerow' attribute to be present for a foreign table,
but a BEFORE ROW trigger can have the same effect. Others implied
that it would always be present for a foreign table, but that's not
true either.
Etsuro Fujita and Robert Haas
Discussion: http://postgr.es/m/10026bc7-1403-ef85-9e43-c6100c1cc0e3@lab.ntt.co.jp
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Otherwise, partitioned tables with RETURNING expressions or subject
to a WITH CHECK OPTION do not work properly.
Amit Langote, reviewed by Amit Khandekar and Etsuro Fujita. A few
comment changes by me.
Discussion: http://postgr.es/m/9a39df80-871e-6212-0684-f93c83be4097@lab.ntt.co.jp
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Some error reports were reporting strerror(errno), which for some error
conditions coming from zlib are wrong, resulting in confusing reports
such as
pg_restore: [compress_io] could not read from input file: Success
which makes no sense. To correctly extract the error message we need to
use gzerror(), so let's do that.
This isn't as comprehensive or as neat as I would like, but at least it
should improve things in many common cases. The zlib abstraction in
compress_io does not seem to be applied consistently enough; we could
perhaps improve that, but it seems master-only material, not a bug fix
for back-patching.
This problem goes back all the way, but I decided to apply back to 9.4
only, because older branches don't contain commit 14ea89366 which this
change depends on.
Authors: Vladimir Kunschikov, Álvaro Herrera
Discussion: https://postgr.es/m/1498120508308.9826@infotecs.ru
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init_htab(), with #define HASH_DEBUG, prints a bunch of hashtable
parameters. It used to also print nentries, but commit 44ca4022f changed
that to "hash_get_num_entries(hctl)", which is wrong (the parameter should
be "hashp").
Rather than correct the coding, though, let's just remove that field from
the printout. The table must be empty, since we just finished building
it, so expensively calculating the number of entries is rather pointless.
Moreover hash_get_num_entries makes assumptions (about not needing locks)
which we could do without in debugging code.
Noted by Choi Doo-Won in bug #14764. Back-patch to 9.6 where the
faulty code was introduced.
Discussion: https://postgr.es/m/20170802032353.8424.12274@wrigleys.postgresql.org
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This fixes a crash if the local table has a function index and the
function makes non-immutable calls.
Reported-by: Scott Milliken <scott@deltaex.com>
Author: Masahiko Sawada <sawada.mshk@gmail.com>
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Commit c0a15e07c moved the setting of OpenSSL's SSL_OP_SINGLE_DH_USE option
into a new subroutine initialize_dh(), but forgot to remove it from where
it was. SSL_CTX_set_options() is a trivial function, amounting indeed to
just "ctx->options |= op", hence there's no reason to contort the code or
break separation of concerns to avoid calling it twice. So separating the
DH setup from disabling of old protocol versions is a good change, but we
need to finish the job.
Noted while poking into the question of SSL session tickets.
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This doesn't have a significant impact except that now SECURITY LABEL ON
DOMAIN rejects types that are not domains.
Reported-by: 高增琦 <pgf00a@gmail.com>
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The buildfarm is still showing at least three distinct behaviors for
a bad locale name in CREATE COLLATION. Although this test was helpful
for getting the error reporting code into some usable shape, it doesn't
seem worth carrying multiple expected-files in order to support the
test in perpetuity. So pull it back out.
Discussion: https://postgr.es/m/CAKKotZS-wcDcofXDCH=sidiuajE+nqHn2CGjLLX78anyDmi3gQ@mail.gmail.com
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The early buildfarm returns for commit 1e165d05f are pretty awful:
not only does Windows not return a useful error, but it looks like
a lot of Unix-ish platforms don't either. Given the number of
different errnos seen so far, guess that what's really going on is
that some newlocale() implementations fail to set errno at all.
Hence, let's try zeroing errno just before newlocale() and then
if it's still zero report as though it's ENOENT. That should cover
the Windows case too.
It's clear that we'll have to drop the regression test case, unless
we want to maintain a separate expected-file for platforms without
HAVE_LOCALE_T. But I'll leave it there awhile longer to see if this
actually improves matters or not.
Discussion: https://postgr.es/m/CAKKotZS-wcDcofXDCH=sidiuajE+nqHn2CGjLLX78anyDmi3gQ@mail.gmail.com
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DROP CASCADE doesn't currently promise to visit dependent objects in
a fixed order, so when the regression tests use it, we typically need
to suppress the details of which objects get dropped in order to have
predictable test output. Traditionally we've done that by setting
client_min_messages higher than NOTICE, but there's a better way:
we can "\set VERBOSITY terse" in psql. That suppresses the DETAIL
message with the object list, but we still get the basic notice telling
how many objects were dropped. So at least the test case can verify
that the expected number of objects were dropped.
The VERBOSITY method was already in use in a few places, but run
around and use it wherever it makes sense.
Discussion: https://postgr.es/m/10766.1501608885@sss.pgh.pa.us
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We were just printing errno, which is certainly not gonna work on
Windows. Now, it's not entirely clear from Microsoft's documentation
whether _create_locale() adheres to standard Windows error reporting
conventions, but let's assume it does and try to map the GetLastError
result to an errno. If this turns out not to work, probably the best
thing to do will be to assume the error is always ENOENT on Windows.
This is a longstanding bug, but given the lack of previous field
complaints, I'm not excited about back-patching it.
Per report from Murtuza Zabuawala.
Discussion: https://postgr.es/m/CAKKotZS-wcDcofXDCH=sidiuajE+nqHn2CGjLLX78anyDmi3gQ@mail.gmail.com
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Most of our collations code has special handling for the locale names
"C" and "POSIX", allowing those collations to be used whether or not
the system libraries think those locale names are valid, or indeed
whether said libraries even have any locale support. But we missed
handling things that way in CREATE COLLATION. This meant you couldn't
clone the C/POSIX collations, nor explicitly define a new collation
using those locale names, unless the libraries allow it. That's pretty
pointless, as well as being a violation of pg_newlocale_from_collation's
API specification.
The practical effect of this change is quite limited: it allows creating
such collations even on platforms that don't HAVE_LOCALE_T, and it allows
making "POSIX" collation objects on Windows, which before this would only
let you make "C" collation objects. Hence, even though this is a bug fix
IMO, it doesn't seem worth the trouble to back-patch.
In passing, suppress the DROP CASCADE detail messages at the end of the
collation regression test. I'm surprised we've never been bit by
message ordering issues there.
Per report from Murtuza Zabuawala.
Discussion: https://postgr.es/m/CAKKotZS-wcDcofXDCH=sidiuajE+nqHn2CGjLLX78anyDmi3gQ@mail.gmail.com
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This was an oversight in d363d42.
Beena Emerson
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XLByteToSeg and XLByteToPrevSeg calculate only a segment number. The
definition of these macros were modified by commit
dfda6ebaec6763090fb78b458a979b558c50b39b but the comment remain
unchanged.
Patch by Yugo Nagata. Back patched to 9.3 and beyond.
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Author: Masahiko Sawada <sawada.mshk@gmail.com>
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Author: Etsuro Fujita <fujita.etsuro@lab.ntt.co.jp>
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1024 bits is considered weak these days, but OpenSSL always passes 1024 as
the key length to the tmp_dh callback. All the code to handle other key
lengths is, in fact, dead.
To remedy those issues:
* Only include hard-coded 2048-bit parameters.
* Set the parameters directly with SSL_CTX_set_tmp_dh(), without the
callback
* The name of the file containing the DH parameters is now a GUC. This
replaces the old hardcoded "dh1024.pem" filename. (The files for other
key lengths, dh512.pem, dh2048.pem, etc. were never actually used.)
This is not a new problem, but it doesn't seem worth the risk and churn to
backport. If you care enough about the strength of the DH parameters on
old versions, you can create custom DH parameters, with as many bits as you
wish, and put them in the "dh1024.pem" file.
Per report by Nicolas Guini and Damian Quiroga. Reviewed by Michael Paquier.
Discussion: https://www.postgresql.org/message-id/CAMxBoUyjOOautVozN6ofzym828aNrDjuCcOTcCquxjwS-L2hGQ@mail.gmail.com
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Coverity complained about this code's practice of using scalar variables
as single-element arrays. While that's really just nitpicking, it probably
is more readable to declare them as arrays, so let's do that. A more
important point is that the code was just blithely assuming that the
result tupledesc has exactly one column; if it doesn't, we'd likely get
a crash of some sort in tuplestore_putvalues. Since the tupledesc is
manufactured outside of plperl, that seems like an uncomfortably long
chain of assumptions. We can nail it down at little cost with a sanity
check earlier in the function.
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The comment for dumpACL() got neglected when initacls and initracls were
added and the discussion of what 'racls' is wasn't very clear either.
Per complaint from Tom.
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current_source requires to restart server to reflect the new
value. Per Yugo Nagata and Masahiko Sawada.
Back patched to 9.2 and beyond.
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dynamic_shared_memory_type requires to restart server to reflect
the new value. Per Yugo Nagata and Masahiko Sawada.
Back pached to 9.4 and beyond.
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max_logical_replication_workers requires to restart server to reflect
the new value. Per Yugo Nagata. Minor editing by me.
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This allows us to add stack-depth checks the first time an executor
node is called, and skip that overhead on following
calls. Additionally it yields a nice speedup.
While it'd probably have been a good idea to have that check all
along, it has become more important after the new expression
evaluation framework in b8d7f053c5c2bf2a7e - there's no stack depth
check in common paths anymore now. We previously relied on
ExecEvalExpr() being executed somewhere.
We should move towards that model for further routines, but as this is
required for v10, it seems better to only do the necessary (which
already is quite large).
Author: Andres Freund, Tom Lane
Reported-By: Julien Rouhaud
Discussion:
https://postgr.es/m/22833.1490390175@sss.pgh.pa.us
https://postgr.es/m/b0af9eaa-130c-60d0-9e4e-7a135b1e0c76@dalibo.com
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In a followup commit ExecProcNode(), and especially the large switch
it contains, will largely be replaced by a function pointer directly
to the correct node. The node functions will then get invoked by a
thin inline function wrapper. To avoid having to include miscadmin.h
in headers - CHECK_FOR_INTERRUPTS() - move the interrupt checks into
the individual executor routines.
While looking through all executor nodes, I noticed a number of
arguably missing interrupt checks, add these too.
Author: Andres Freund, Tom Lane
Reviewed-By: Tom Lane
Discussion:
https://postgr.es/m/22833.1490390175@sss.pgh.pa.us
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Without this, \dRp prints information that \dRp+ does not, which
seems pretty odd.
Daniel Gustafsson
Discussion: https://postgr.es/m/3641F19B-336A-431A-86CE-A80562505C5E@yesql.se
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The Perl documentation is very clear that stuff calling libperl should
be built with the compiler switches shown by Perl's $Config{ccflags}.
We'd been ignoring that up to now, and mostly getting away with it,
but recent Perl versions contain ABI compatibility cross-checks that
fail on some builds because of this omission. In particular the
sizeof(PerlInterpreter) can come out different due to some fields being
added or removed; which means we have a live ABI hazard that we'd better
fix rather than continuing to sweep it under the rug.
However, it still seems like a bad idea to just absorb $Config{ccflags}
verbatim. In some environments Perl was built with a different compiler
that doesn't even use the same switch syntax. -D switch syntax is pretty
universal though, and absorbing Perl's -D switches really ought to be
enough to fix the problem.
Furthermore, Perl likes to inject stuff like -D_LARGEFILE_SOURCE and
-D_FILE_OFFSET_BITS=64 into $Config{ccflags}, which affect libc ABIs on
platforms where they're relevant. Adopting those seems dangerous too.
It's unclear whether a build wherein Perl and Postgres have different ideas
of sizeof(off_t) etc would work, or whether anyone would care about making
it work. But it's dead certain that having different stdio ABIs in
core Postgres and PL/Perl will not work; we've seen that movie before.
Therefore, let's also ignore -D switches for symbols beginning with
underscore. The symbols that we actually need to import should be the ones
mentioned in perl.h's PL_bincompat_options stanza, and none of those start
with underscore, so this seems likely to work. (If it turns out not to
work everywhere, we could consider intersecting the symbols mentioned in
PL_bincompat_options with the -D switches. But that will be much more
complicated, so let's try this way first.)
This will need to be back-patched, but first let's see what the
buildfarm makes of it.
Ashutosh Sharma, some adjustments by me
Discussion: https://postgr.es/m/CANFyU97OVQ3+Mzfmt3MhuUm5NwPU=-FtbNH5Eb7nZL9ua8=rcA@mail.gmail.com
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In Perl builds that define PERL_IMPLICIT_SYS, XSUB.h defines macros
that replace a whole lot of basic libc functions with Perl functions.
We can't tolerate that in plperl.c; it breaks at least PG_TRY and
probably other stuff. The core idea of this patch is to include XSUB.h
only in the .xs files where it's really needed, and to move any code
broken by PERL_IMPLICIT_SYS out of the .xs files and into plperl.c.
The reason this hasn't been a problem before is that our build techniques
did not result in PERL_IMPLICIT_SYS appearing as a #define in PL/Perl,
even on some platforms where Perl thinks it is defined. That's about to
change in order to fix a nasty portability issue, so we need this work to
make the code safe for that.
Rather unaccountably, the Perl people chose XSUB.h as the place to provide
the versions of the aTHX/aTHX_ macros that are needed by code that's not
explicitly aware of the MULTIPLICITY API conventions. Hence, just removing
XSUB.h from plperl.c fails miserably. But we can work around that by
defining PERL_NO_GET_CONTEXT (which would make the relevant stanza of
XSUB.h a no-op anyway). As explained in perlguts.pod, that means we need
to add a "dTHX" macro call in every C function that calls a Perl API
function. In most of them we just add this at the top; but since the
macro fetches the current Perl interpreter pointer, more care is needed
in functions that switch the active interpreter. Lack of the macro is
easily recognized since it results in bleats about "my_perl" not being
defined.
(A nice side benefit of this is that it significantly reduces the number
of fetches of the current interpreter pointer. On my machine, plperl.so
gets more than 10% smaller, and there's probably some performance win too.
We could reduce the number of fetches still more by decorating the code
with pTHX_/aTHX_ macros to pass the interpreter pointer around, as
explained by perlguts.pod; but that's a task for another day.)
Formatting note: pgindent seems happy to treat "dTHX;" as a declaration
so long as it's the first thing after the left brace, as we'd already
observed with respect to the similar macro "dSP;". If you try to put
it later in a set of declarations, pgindent puts ugly extra space
around it.
Having removed XSUB.h from plperl.c, we need only move the support
functions for spi_return_next and util_elog (both of which use PG_TRY)
out of the .xs files and into plperl.c. This seems sufficient to
avoid the known problems caused by PERL_IMPLICIT_SYS, although we
could move more code if additional issues emerge.
This will need to be back-patched, but first let's see what the
buildfarm makes of it.
Patch by me, with some help from Ashutosh Sharma
Discussion: https://postgr.es/m/CANFyU97OVQ3+Mzfmt3MhuUm5NwPU=-FtbNH5Eb7nZL9ua8=rcA@mail.gmail.com
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After typing CREATE USER M..., it would not fill in MAPPING FOR,
even though that was clearly intended behavior.
Jeff Janes
Discussion: https://postgr.es/m/CAMkU=1wo2iQ6jWnN=egqOb5NxEPn0PpANEtKHr3uPooQ+nYPtw@mail.gmail.com
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Most functions in this file are content to print an empty table if there
are no matching objects. In some, the behavior is to loop over all
matching objects and print a table for each one; therefore, without any
extra logic, nothing at all would be printed if no objects match.
We accept that outcome in QUIET mode, but in normal mode it seems better
to print a helpful message. The new \dRp+ command had not gotten that
memo; fix it.
listDbRoleSettings() is out of step on this, but I think it's better for
it to print a custom message rather than an empty table, because of the
possibility that the user is confused about what the pattern arguments mean
or which is which. The original message wording was entirely useless for
clarifying that, though, not to mention being unlike the wordings used
elsewhere. Improve the text, and also print the messages with psql_error
as is the general custom here.
listTables() is also out in left field, but since it's such a heavily
used function, I'm hesitant to change its behavior so much as to print
an empty table rather than a custom message. People are probably used
to getting a message. But we can make the wording more standardized and
helpful, and print it with psql_error rather than printing to stdout.
In both listDbRoleSettings and listTables, we play dumb and emit an
empty table, not a custom message, in QUIET mode. That was true before
and I see no need to change it.
Several of the places printing such messages risked dumping core if
no pattern string had been provided; make them more wary. (This case
is presently unreachable in describeTableDetails; but it shouldn't be
assuming that command.c will never pass it a null. The text search
functions would only reach the case if a database contained no text
search objects, which is also currently impossible since we pin the
built-in objects, but again it seems unwise to assume that here.)
Daniel Gustafsson, tweaked a bit by me
Discussion: https://postgr.es/m/3641F19B-336A-431A-86CE-A80562505C5E@yesql.se
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Most places were already using the PQExpBuffer library for constructing
variable-length strings; bring the two stragglers into line.
describeOneTSParser was living particularly dangerously since it wasn't
even using snprintf().
Daniel Gustafsson
Discussion: https://postgr.es/m/3641F19B-336A-431A-86CE-A80562505C5E@yesql.se
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listDbRoleSettings() handled its server version check randomly differently
from every other comparable function in describe.c, not only as to code
layout but also message wording. It also leaked memory, because its
PQExpBuffer management was also unlike everyplace else (and wrong).
Also fix an error-case leak in add_tablespace_footer().
In passing, standardize the format of function header comments in
describe.c --- we usually put "/*" alone on a line.
Daniel Gustafsson, memory leak fixes by me
Discussion: https://postgr.es/m/3641F19B-336A-431A-86CE-A80562505C5E@yesql.se
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\drds leaked its second pattern argument if any, and \connect leaked
any empty-string or "-" arguments. These are old bugs, but it's hard
to imagine any real use-case where the leaks could amount to anything
meaningful, so not bothering with a back-patch.
Daniel Gustafsson and Tom Lane
Discussion: https://postgr.es/m/3641F19B-336A-431A-86CE-A80562505C5E@yesql.se
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When output of IPC::Run::run () is redirected to scalar references, in
certain circumstances the Msys perl does not correctly detect that the
end of file has been seen, making the test hang indefinitely. One such
circumstance is when the command is 'pg_ctl start', and such a change
was made in commit f13ea95f9e. The workaround, which only applies on
MSys, is to redirect the output to temporary files and then read them in
when the process has finished.
Patch by me, reviewed and tweaked by Tom Lane.
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Fix assorted places that had not bothered with the convention of
prefixing catalog and function names with "pg_catalog.". That
could possibly result in query failure when running with a nondefault
search_path. Also fix two places that weren't quoting OID literals.
I think the latter hasn't mattered much since about 7.3, but it's still
a bad idea to be doing it in 99 places and not in 2 others.
Also remove a useless EXISTS sub-select that someone had stuck into
describeOneTableDetails' queries for child tables. We just got the OID
out of pg_class, so I hardly see how checking that it exists in pg_class
was doing anything helpful.
In passing, try to improve the emitted formatting of a couple of
these queries, though I didn't work really hard on that. And merge
unnecessarily duplicative coding in some other places.
Much of this was new in HEAD, but some was quite old; back-patch
as appropriate.
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