| Commit message (Collapse) | Author | Age |
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It's fairly silly that ignoring NOT subexpressions is TS_execute's
default behavior. It's wrong on its face and it encourages errors
of omission. Moreover, the only two remaining callers that aren't
specifying CALC_NOT are in ts_headline calculations, and it's very
arguable that those are bugs: if you've specified "!foo" in your
query, why would you want to get a headline that includes "foo"?
Hence, rip that out and change the default behavior to be to calculate
NOT accurately. As a concession to the slim chance that there is still
somebody somewhere who needs the incorrect behavior, provide a new
SKIP_NOT flag to explicitly request that.
Back-patch into v13, mainly because it seems better to change this
at the same time as the previous commit's rejiggering of TS_execute
related APIs. Any outside callers affected by this change are
probably also affected by that one.
Discussion: https://postgr.es/m/CALT9ZEE-aLotzBg-pOp2GFTesGWVYzXA3=mZKzRDa_OKnLF7Mg@mail.gmail.com
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Text search sometimes failed to find valid matches, for instance
'!crew:A'::tsquery might fail to locate 'crew:1B'::tsvector during
an index search. The root of the issue is that TS_execute's callback
functions were not changed to use ternary (yes/no/maybe) reporting
when we made the search logic itself do so. It's somewhat annoying
to break that API, but on the other hand we now see that any code
using plain boolean logic is almost certainly broken since the
addition of phrase search. There seem to be very few outside callers
of this code anyway, so we'll just break them intentionally to get
them to adapt.
This allows removal of tsginidx.c's private re-implementation of
TS_execute, since that's now entirely duplicative. It's also no
longer necessary to avoid use of CALC_NOT in tsgistidx.c, since
the underlying callbacks can now do something reasonable.
Back-patch into v13. We can't change this in stable branches,
but it seems not quite too late to fix it in v13.
Tom Lane and Pavel Borisov
Discussion: https://postgr.es/m/CALT9ZEE-aLotzBg-pOp2GFTesGWVYzXA3=mZKzRDa_OKnLF7Mg@mail.gmail.com
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contrib/pgcrypto mishandled the case where deflate() does not consume
all of the offered input on the first try. It reset the next_in pointer
to the start of the input instead of leaving it alone, causing the wrong
data to be fed to the next deflate() call.
This has been broken since pgcrypto was committed. The reason for the
lack of complaints seems to be that it's fairly hard to get stock zlib
to not consume all the input, so long as the output buffer is big enough
(which it normally would be in pgcrypto's usage; AFAICT the input is
always going to be packetized into packets no larger than ZIP_OUT_BUF).
However, IBM's zlibNX implementation for AIX evidently will do it
in some cases.
I did not add a test case for this, because I couldn't find one that
would fail with stock zlib. When we put back the test case for
bug #16476, that will cover the zlibNX situation well enough.
While here, write deflate()'s second argument as Z_NO_FLUSH per its
API spec, instead of hard-wiring the value zero.
Per buildfarm results and subsequent investigation.
Discussion: https://postgr.es/m/16476-692ef7b84e5fb893@postgresql.org
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TLS 1.3 uses a different way of specifying ciphers and a different
OpenSSL API. PostgreSQL currently does not support setting those
ciphers. For now, just document this. In the future, support for
this might be added somehow.
Reviewed-by: Jonathan S. Katz <jkatz@postgresql.org>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
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Remove extra space. Back-patch to all releases, like commit 7897e3bb.
Author: Lu, Chenyang <lucy.fnst@cn.fujitsu.com>
Discussion: https://postgr.es/m/795d03c6129844d3803e7eea48f5af0d%40G08CNEXMBPEKD04.g08.fujitsu.local
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This reverts commit 9e10898, after finding out that buildfarm members
running SLES 15 on z390 complain on the compression and decompression
logic of the new test: pipistrelles, barbthroat and steamerduck.
Those hosts are visibly using hardware-specific changes to improve zlib
performance, requiring more investigation.
Thanks to Tom Lane for the discussion.
Discussion: https://postgr.es/m/20200722093749.GA2564@paquier.xyz
Backpatch-through: 9.5
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A compressed stream may end with an empty packet, and PGP decompression
finished before reading this empty packet in the remaining stream. This
caused a failure in pgcrypto, handling this case as corrupted data.
This commit makes sure to consume such extra data, avoiding a failure
when decompression the entire stream. This corner case was reproducible
with a data length of 16kB, and existed since its introduction in
e94dd6a. A cheap regression test is added to cover this case.
Thanks to Jeff Janes for the extra investigation.
Reported-by: Frank Gagnepain
Author: Kyotaro Horiguchi, Michael Paquier
Discussion: https://postgr.es/m/16476-692ef7b84e5fb893@postgresql.org
Backpatch-through: 9.5
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Since commit 044c99bc5, eqjoinsel passes the passed-in collation
to any operators it invokes. However, neqjoinsel failed to pass
on whatever collation it got, so that if we invoked a
collation-dependent operator via that code path, we'd get "could not
determine which collation to use for string comparison" or the like.
Per report from Justin Pryzby. Back-patch to v12, like the previous
commit.
Discussion: https://postgr.es/m/20200721191606.GL5748@telsasoft.com
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Add "(process)" qualifier to two terms, remove self-reference in one
term.
Author: Jürgen Purtz <juergen@purtz.de>
Discussion: https://postgr.es/m/95f90a5d-7692-701d-2c0c-0c88eb5cea7d@purtz.de
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The executor checks for this error, and so does the bootstrap catalog
loader, but we never checked for it in retail catalog manipulations.
The folly of that has now been exposed, so let's add assertions
checking it. Checking in CatalogTupleInsert[WithInfo] and
CatalogTupleUpdate[WithInfo] should be enough to cover this.
Back-patch to v10; the aforesaid functions didn't exist before that,
and it didn't seem worth adapting the patch to the oldest branches.
But given the risk of JIT crashes, I think we certainly need this
as far back as v11.
Pre-v13, we have to explicitly exclude pg_subscription.subslotname
and pg_subscription_rel.srsublsn from the checks, since they are
mismarked. (Even if we change our mind about applying BKI_FORCE_NULL
in the branch tips, it doesn't seem wise to have assertions that
would fire in existing databases.)
Discussion: https://postgr.es/m/298837.1595196283@sss.pgh.pa.us
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The code has always set this column to NULL when it's not valid,
but the catalog header's description failed to reflect that,
as did the SGML docs, as did some of the code. To prevent future
coding errors of the same ilk, let's hide the field from C code
as though it were variable-length (which, in a sense, it is).
As with commit 72eab84a5, we can only fix this cleanly in HEAD
and v13; the problem extends further back but we'll need some
klugery in the released branches.
Discussion: https://postgr.es/m/367660.1595202498@sss.pgh.pa.us
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Commit b9c130a1f failed to apply the publisher-to-subscriber column
mapping while checking which columns were updated. Perhaps less
significantly, it didn't exclude dropped columns either. This could
result in an incorrect updated-columns bitmap and thus wrong decisions
about whether to fire column-specific triggers on the subscriber while
applying updates. In HEAD (since commit 9de77b545), it could also
result in accesses off the end of the colstatus array, as detected by
buildfarm member skink. Fix the logic, and adjust 003_constraints.pl
so that the problem is exposed in unpatched code.
In HEAD, also add some assertions to check that we don't access off
the ends of these newly variable-sized arrays.
Back-patch to v10, as b9c130a1f was.
Discussion: https://postgr.es/m/CAH2-Wz=79hKQ4++c5A060RYbjTHgiYTHz=fw6mptCtgghH2gJA@mail.gmail.com
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max_slot_wal_keep_size that was added in v13 and wal_keep_segments are
the GUC parameters to specify how much WAL files to retain for
the standby servers. While max_slot_wal_keep_size accepts the number of
bytes of WAL files, wal_keep_segments accepts the number of WAL files.
This difference of setting units between those similar parameters could
be confusing to users.
To alleviate this situation, this commit renames wal_keep_segments to
wal_keep_size, and make users specify the WAL size in it instead of
the number of WAL files.
There was also the idea to rename max_slot_wal_keep_size to
max_slot_wal_keep_segments, in the discussion. But we have been moving
away from measuring in segments, for example, checkpoint_segments was
replaced by max_wal_size. So we concluded to rename wal_keep_segments
to wal_keep_size.
Back-patch to v13 where max_slot_wal_keep_size was added.
Author: Fujii Masao
Reviewed-by: Álvaro Herrera, Kyotaro Horiguchi, David Steele
Discussion: https://postgr.es/m/574b4ea3-e0f9-b175-ead2-ebea7faea855@oss.nttdata.com
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Author: Vignesh C
Reviewed-by: James Coleman
Backpatch-through: 13, where it was introduced
Discussion: https://postgr.es/m/CALDaNm0WjZqRvdeL59ZfYH0o4mLbKQ23jm-bnjXcFzgpANx55g@mail.gmail.com
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Due to the layout of this catalog, subslotname has to be explicitly
marked BKI_FORCE_NULL, else initdb will default to the assumption
that it's non-nullable. Since, in fact, CREATE/ALTER SUBSCRIPTION
will store null values there, the existing marking is just wrong,
and has been since this catalog was invented.
We haven't noticed because not much in the system actually depends
on attnotnull being truthful. However, JIT'ed tuple deconstruction
does depend on that in some cases, allowing crashes or wrong answers
in queries that inspect pg_subscription. Commit 9de77b545 quite
accidentally exposed this on the buildfarm members that force JIT
activation.
Back-patch to v13. The problem goes further back, but we cannot
force initdb in released branches, so some klugier solution will
be needed there. Before working on that, push this simple fix
to try to get the buildfarm back to green.
Discussion: https://postgr.es/m/4118109.1595096139@sss.pgh.pa.us
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This updates some URLs that are redirections, mostly to an equivalent
using https. One URL referring to generalized partial indexes was
outdated.
Author: Kyotaro Horiguchi
Discussion: https://postgr.es/m/20200717.121308.1369606287593685396.horikyota.ntt@gmail.com
Backpatch-through: 9.5
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The WHERE clause introduced by 31f3817 was not described. While on it,
split the grammar of \copy FROM and TO into two distinct parts for
clarity as they support different set of options.
Author: Vignesh C
Discussion: https://postgr.es/m/CALDaNm3zWr=OmxeNqOqfT=uZTSdam_j-gkX94CL8eTNfgUtf6A@mail.gmail.com
Backpatch-through: 12
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pg_dump produces custom-format archive files that lack data offsets
when it is unable to seek its output. Up to now that's been a hazard
for pg_restore. But if pg_restore is able to seek in the archive
file, there is no reason to throw up our hands when asked to restore
data blocks out of order. Instead, whenever we are searching for a
data block, record the locations of the blocks we passed over (that
is, fill in the missing data-offset fields in our in-memory copy of
the TOC data). Then, when we hit a case that requires going
backwards, we can just seek back.
Also track the furthest point that we've searched to, and seek back
to there when beginning a search for a new data block. This avoids
possible O(N^2) time consumption, by ensuring that each data block
is examined at most twice. (On Unix systems, that's at most twice
per parallel-restore job; but since Windows uses threads here, the
threads can share block location knowledge, reducing the amount of
duplicated work.)
We can also improve the code a bit by using fseeko() to skip over
data blocks during the search.
This is all of some use even in simple restores, but it's really
significant for parallel pg_restore. In that case, we require
seekability of the input already, and we will very probably need
to do out-of-order restores.
Back-patch to v12, as this fixes a regression introduced by commit
548e50976. Before that, parallel restore avoided requesting
out-of-order restores, so it would work on a data-offset-less
archive. Now it will again.
Ideally this patch would include some test coverage, but there are
other open bugs that need to be fixed before we can extend our
coverage of parallel restore very much. Plan to revisit that later.
David Gilman and Tom Lane; reviewed by Justin Pryzby
Discussion: https://postgr.es/m/CALBH9DDuJ+scZc4MEvw5uO-=vRyR2=QF9+Yh=3hPEnKHWfS81A@mail.gmail.com
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We do not really need to track the file position by hand. We were
already relying on ftello() whenever the archive file is seekable,
while if it's not seekable we don't need the file position info
anyway because we're not going to be able to re-write the TOC.
Moreover, that tracking was buggy since it failed to account for
the effects of fseeko(). Somewhat remarkably, that seems not to
have made for any live bugs up to now. We could fix the oversights,
but it seems better to just get rid of the whole error-prone mess.
In itself this is merely code cleanup. However, it's necessary
infrastructure for an upcoming bug-fix patch (because that code
*does* need valid file position after fseeko). The bug fix
needs to go back as far as v12; hence, back-patch that far.
Discussion: https://postgr.es/m/CALBH9DDuJ+scZc4MEvw5uO-=vRyR2=QF9+Yh=3hPEnKHWfS81A@mail.gmail.com
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There is no advantage to attempting deduplication for a unique index
during CREATE INDEX, since there cannot possibly be any duplicates.
Doing so wastes cycles due to unnecessary copying. Make sure that we
avoid it consistently.
We already avoided unique index deduplication in the case where there
were some spool2 tuples to merge. That didn't account for the fact that
spool2 is removed early/unset in the common case where it has no tuples
that need to be merged (i.e. it failed to account for the "spool2 turns
out to be unnecessary" optimization in _bt_spools_heapscan()).
Oversight in commit 0d861bbb, which added nbtree deduplication
Backpatch: 13-, where nbtree deduplication was introduced.
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We had two occurrences of "Mitteleuropäische Zeit" in Europe.txt,
though the corresponding entries in Default were spelled
"Mitteleuropaeische Zeit". Standardize on the latter spelling to
avoid questions of which encoding to use.
While here, correct a couple of other trivial inconsistencies between
the Default file and the supposedly-matching entries in the *.txt
files, as exposed by some checking with comm(1). Also, add BDST to
the Europe.txt file; it previously was only listed in Default.
None of this has any direct functional effect.
Per complaint from Christoph Berg. As usual for timezone data patches,
apply to all branches.
Discussion: https://postgr.es/m/20200716100743.GE3534683@msg.df7cb.de
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Commit 1e53fe0e70 has unified the usage of the config-file reload flag by
using the same signal handler function for the SIGHUP signal at many places
in the code. By mistake, it used the wrong SIGNAL in apply launcher
process for the SIGHUP signal handler function.
Author: Bharath Rupireddy
Reviewed-by: Dilip Kumar
Backpatch-through: 13, where it was introduced
Discussion: https://postgr.es/m/CALj2ACVzHCRnS20bOiEHaLtP5PVBENZQn4khdsSJQgOv_GM-LA@mail.gmail.com
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pg_test_fsync has always opened files using the text mode on Windows, as
this is the default mode used if not enforced by _setmode().
This fixes a failure when running pg_test_fsync down to 12 because
O_DSYNC and the text mode are not able to work together nicely. We
fixed the handling of O_DSYNC in 12~ for the tool by switching to the
concurrent-safe version of fopen() in src/port/ with 0ba06e0. And
40cfe86, by enforcing the text mode for compatibility reasons if O_TEXT
or O_BINARY are not specified by the caller, broke pg_test_fsync. For
all versions, this avoids any translation overhead, and pg_test_fsync
should test binary writes, so it is a gain in all cases.
Note that O_DSYNC is still not handled correctly in ~11, leading to
pg_test_fsync to show insanely high numbers for open_datasync() (using
this property it is easy to notice that the binary mode is much
faster). This would require a backpatch of 0ba06e0 and 40cfe86, which
could potentially break existing applications, so this is left out.
There are no TAP tests for this tool yet, so I have checked all builds
manually using MSVC. We could invent a new option to run a single
transaction instead of using a duration of 1s to make the tests a
maximum short, but this is left as future work.
Thanks to Bruce Momjian for the discussion.
Reported-by: Jeff Janes
Author: Michael Paquier
Discussion: https://postgr.es/m/16526-279ded30a230d275@postgresql.org
Backpatch-through: 9.5
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When working with an online source cluster, pg_rewind gets a list of all
the files in the source data directory using a WITH RECURSIVE query,
returning a NULL result for a file's metadata if it gets removed between
the moment it is listed in a directory and the moment its metadata is
obtained with pg_stat_file() (say a recycled WAL segment). The query
result was processed in such a way that for each tuple we checked only
that the first file's metadata was NULL. This could have two
consequences, both resulting in a failure of the rewind:
- If the first tuple referred to a removed file, all files from the
source would be ignored.
- Any file actually missing would not be considered as such.
While on it, rework slightly the code so as no values are saved if we
know that a file is going to be skipped.
Issue introduced by b36805f, so backpatch down to 9.5.
Author: Justin Pryzby, Michael Paquier
Reviewed-by: Daniel Gustafsson, Masahiko Sawada
Discussion: https://postgr.es/m/20200713061010.GC23581@telsasoft.com
Backpatch-through: 9.5
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reparameterize_path_by_child() failed to reparameterize BitmapAnd
and BitmapOr paths. This matters only if such a path is chosen as
the inside of a nestloop partition-wise join, where we have to pass
in parameters from the outside of the nestloop. If that did happen,
we generated a bad plan that would likely lead to crashes at execution.
This is not entirely reparameterize_path_by_child()'s fault though;
it's the victim of an ancient decision (my ancient decision, I think)
to not bother filling in param_info in BitmapAnd/Or path nodes. That
caused the function to believe that such nodes and their children
contain no parameter references and so need not be processed.
In hindsight that decision looks pretty penny-wise and pound-foolish:
while it saves a few cycles during path node setup, we do commonly
need the information later. In particular, by reversing the decision
and requiring valid param_info data in all nodes of a bitmap path
tree, we can get rid of indxpath.c's get_bitmap_tree_required_outer()
function, which computed the data on-demand. It's not unlikely that
that nets out as a savings of cycles in many scenarios. A couple
of other things in indxpath.c can be simplified as well.
While here, get rid of some cases in reparameterize_path_by_child()
that are visibly dead or useless, given that we only care about
reparameterizing paths that can be on the inside of a parameterized
nestloop. This case reminds one of the maxim that untested code
probably does not work, so I'm unwilling to leave unreachable code
in this function. (I did leave the T_Gather case in place even
though it's not reached in the regression tests. It's not very
clear to me when the planner might prefer to put Gather below
rather than above a nestloop, but at least in principle the case
might be interesting.)
Per bug #16536, originally from Arne Roland but with a test case
by Andrew Gierth. Back-patch to v11 where this code came in.
Discussion: https://postgr.es/m/16536-2213ee0b3aad41fd@postgresql.org
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An ALTER TABLE to validate a foreign key in which another subcommand
already caused a pending table rewrite could fail due to ALTER TABLE
attempting to validate the foreign key before the actual table rewrite
takes place. This situation could result in an error such as:
ERROR: could not read block 0 in file "base/nnnnn/nnnnn": read only 0 of 8192 bytes
The failure here was due to the SPI call which validates the foreign key
trying to access an index which is yet to be rebuilt.
Similarly, we also incorrectly tried to validate CHECK constraints before
the heap had been rewritten.
The fix for both is to delay constraint validation until phase 3, after
the table has been rewritten. For CHECK constraints this means a slight
behavioral change. Previously ALTER TABLE VALIDATE CONSTRAINT on
inheritance tables would be validated from the bottom up. This was
different from the order of evaluation when a new CHECK constraint was
added. The changes made here aligns the VALIDATE CONSTRAINT evaluation
order for inheritance tables to be the same as ADD CONSTRAINT, which is
generally top-down.
Reported-by: Nazli Ugur Koyluoglu, using SQLancer
Discussion: https://postgr.es/m/CAApHDvp%3DZXv8wiRyk_0rWr00skhGkt8vXDrHJYXRMft3TjkxCA%40mail.gmail.com
Backpatch-through: 9.5 (all supported versions)
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Incorrect function names were referenced. As this fixes some portions
of tableam.h, that is mentioned in the docs as something to look at when
implementing a table AM, backpatch down to 12 where this has been
introduced.
Author: Hironobu Suzuki
Discussion: https://postgr.es/m/8fe6d672-28dd-3f1d-7aed-ac2f6d599d3f@interdb.jp
Backpatch-through: 12
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The qual pushdown logic assumed that all Vars in a restriction clause
must be Vars referencing subquery outputs; but since we introduced
LATERAL, it's possible for such a Var to be a lateral reference instead.
This led to an assertion failure in debug builds. In a non-debug
build, there might be no ill effects (if qual_is_pushdown_safe decided
the qual was unsafe anyway), or we could get failures later due to
construction of an invalid plan. I've not gone to much length to
characterize the possible failures, but at least segfaults in the
executor have been observed.
Given that this has been busted since 9.3 and it took this long for
anybody to notice, I judge that the case isn't worth going to great
lengths to optimize. Hence, fix by just teaching qual_is_pushdown_safe
that such quals are unsafe to push down, matching the previous behavior
when it accidentally didn't fail.
Per report from Tom Ellis. Back-patch to all supported branches.
Discussion: https://postgr.es/m/20200713175124.GQ8220@cloudinit-builder
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Remove previous hack in KeepLogSeg that added a case to deal with a
(badly represented) invalid segment number. This was added for the sake
of GetWALAvailability. But it's not needed if in that function we
initialize the segment number to be retreated to the currently being
written segment, so do that instead.
Per valgrind-running buildfarm member skink, and some sparc64 animals.
Discussion: https://postgr.es/m/1724648.1594230917@sss.pgh.pa.us
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GSS-related resources should be cleaned up in pqDropConnection,
not freePGconn, else the wrong things happen when resetting
a connection or trying to switch to a different server.
It's also critical to reset conn->gssenc there.
During connection setup, initialize conn->try_gss at the correct
place, else switching to a different server won't work right.
Remove now-redundant cleanup of GSS resources around one (and, for
some reason, only one) pqDropConnection call in connectDBStart.
Per report from Kyotaro Horiguchi that psql would freeze up,
rather than successfully resetting a GSS-encrypted connection
after a server restart.
This is YA oversight in commit b0b39f72b, so back-patch to v12.
Discussion: https://postgr.es/m/20200710.173803.435804731896516388.horikyota.ntt@gmail.com
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* Strategy number and purpose are essential information for opfamily operator.
So, show those columns in non-verbose output.
* "Left/right arg type" \dAp column names are confusing, because those type
don't necessary match to function arguments. Rename them to "Registered
left/right type".
* Replace manual assembling of operator/procedure names with casts to
regoperator/regprocedure.
* Add schema-qualification for pg_catalog functions and tables.
Reported-by: Peter Eisentraut, Tom Lane
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/2edc7b27-031f-b2b6-0db2-864241c91cb9%402ndquadrant.com
Backpatch-through: 13
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This is a replacement for 4cad2534. Instead of projecting all tuples
going into a HashAgg, only remove unnecessary attributes when actually
spilling. This avoids the regression for the in-memory case.
Discussion: https://postgr.es/m/a2fb7dfeb4f50aa0a123e42151ee3013933cb802.camel%40j-davis.com
Backpatch-through: 13
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This reverts commit 4cad2534da6d17067d98cf04be2dfc1bda8f2cd0 due to a
performance regression. It will be replaced by a new approach in an
upcoming commit.
Reported-by: Andres Freund
Discussion: https://postgr.es/m/20200614181418.mx4bvljmfkkhoqzl@alap3.anarazel.de
Backpatch-through: 13
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The stats with this commit was available only for WALSenders, however,
users might want to see for backends doing logical decoding via SQL API.
Then, users might want to reset and access these stats across server
restart which was not possible with the current patch.
List of commits reverted:
caa3c4242c Don't call elog() while holding spinlock.
e641b2a995 Doc: Update the documentation for spilled transaction
statistics.
5883f5fe27 Fix unportable printf format introduced in commit 9290ad198.
9290ad198b Track statistics for spilling of changes from ReorderBuffer.
Additionaly, remove the release notes entry for this feature.
Backpatch-through: 13, where it was introduced
Discussion: https://postgr.es/m/CA+fd4k5_pPAYRTDrO2PbtTOe0eHQpBvuqmCr8ic39uTNmR49Eg@mail.gmail.com
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Parallel pg_restore has always supposed that ACL items for different
objects are independent and can be restored in parallel without
conflicts. However, there is one case where this fails: because
REVOKE on a table is defined to also revoke the privilege(s) at
column level, we can't restore per-column ACLs till after we restore
any table-level privileges on their table. Failure to honor this
restriction can lead to "tuple concurrently updated" errors during
parallel restore, or even to the per-column ACLs silently disappearing
because the table-level REVOKE is executed afterwards.
To fix, add a dependency from each column-level ACL item to its table's
ACL item, if there is one. Note that this doesn't fix the hazard
for pre-existing archive files, only for ones made with a corrected
pg_dump. Given that the bug's been there quite awhile without
field reports, I think this is acceptable.
This requires changing the API of pg_dump's dumpACL() function.
To keep its argument list from getting even longer, I removed the
"CatalogId objCatId" argument, which has been unused for ages.
Per report from Justin Pryzby. Back-patch to all supported branches.
Discussion: https://postgr.es/m/20200706050129.GW4107@telsasoft.com
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SQL standard doesn't define numeric Inf or NaN values. It appears even more
ridiculous to support then in jsonpath assuming JSON doesn't support these
values as well. This commit forbids returning NaN from .double(), which was
previously allowed. NaN can't be result of inner-jsonpath computation over
non-NaNs. So, we can not expect NaN in the jsonpath output.
Reported-by: Tom Lane
Discussion: https://postgr.es/m/203949.1591879542%40sss.pgh.pa.us
Author: Alexander Korotkov
Reviewed-by: Tom Lane
Backpatch-through: 12
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When jsonpath .double() method detects that numeric or string can't be
converted to double precision, it throws an error. This commit makes these
errors explicitly express the reason of failure.
Discussion: https://postgr.es/m/CAPpHfdtqJtiSXkP7tOXez18NxhLUH_-75bL8%3DOce4Ki%2Bbv7V6Q%40mail.gmail.com
Author: Alexander Korotkov
Reviewed-by: Tom Lane
Backpatch-through: 12
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Re-point comp.ai.genetic FAQ link to a more stable address.
Remove stale links to AIX documentation; we don't really need to
tell AIX users how to use their systems.
Remove stale links to HP documentation about SSL. We've had to
update those twice before, making it increasingly obvious that
HP does not intend them to be stable landing points. They're
not particularly authoritative, either. (This change effectively
reverts bbd3bdba3.)
Daniel Gustafsson and Álvaro Herrera, per a gripe from
Kyotaro Horiguchi. Back-patch, since these links are
just as dead in the back branches.
Discussion: https://postgr.es/m/20200709.161226.204639179120026914.horikyota.ntt@gmail.com
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This order makes more sense because the location is effectively at the
lowest level of the backtrace.
Discussion: https://www.postgresql.org/message-id/flat/90f5fa04-c410-a54e-9449-aa3749fb7972%402ndquadrant.com
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This message was being emitted on the grounds that only crashed
summarization could cause it, but in reality even an aborted vacuum
could do it ... which makes it way too noisy, particularly since it
shows up in regression tests and makes them die.
Reported by Tom Lane.
Discussion: https://postgr.es/m/489091.1593534251@sss.pgh.pa.us
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Back-patch commits 91bdf499b and ffb4cee43, so that all branches
agree on when and how to do Windows CRLF conversion.
This should close the referenced thread. Thanks to Andrew Dunstan
for discussion/review.
Discussion: https://postgr.es/m/412ae8da-76bb-640f-039a-f3513499e53d@gmx.net
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Due to not having our signals straight about CRLF vs. LF line
termination, the output of pg_current_logfile() included a trailing
\r on Windows. To fix, force the file descriptor it uses into text
mode.
While here, move a couple of local variable declarations to make
the function's logic clearer.
In v12 and v13, also back-patch the test added by 1c4e88e2f so that
this function has some test coverage. However, the 004_logrotate.pl
test script doesn't exist before v12, and it didn't seem worth adding
to older branches just for this.
Per report from Thomas Kellerer. Back-patch to v10 where this
function was added.
Discussion: https://postgr.es/m/412ae8da-76bb-640f-039a-f3513499e53d@gmx.net
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pg_stat_activity.query text is truncated at 1024 bytes. But previously
the document described that it's truncated at 1024 characters.
This was not accurate when considering multibyte characters.
Back-patch to v10 where this inaccurate description was added.
Author: Atsushi Torikoshi
Reviewed-by: Daniel Gustafsson, Fujii Masao
Discussion: https://postgr.es/m/cd5b49a5a14e887542f5f569c1c6bde2@oss.nttdata.com
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The Sort node does not put a space between the number of kilobytes and
the "kB" of memory or disk space used, but HashAgg does. Here we align
HashAgg to do the same as Sort. Sort has been displaying this
information for longer than HashAgg, so it makes sense to align HashAgg
to Sort rather than the other way around.
Reported-by: Justin Pryzby
Discussion: https://postgr.es/m/20200708163021.GW4107@telsasoft.com
Backpatch-through: 13, where the hashagg started showing these details
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Since slot_keep_segs indicates the number of WAL segments not LSN,
its datatype should not be XLogRecPtr.
Back-patch to v13 where this issue was added.
Reported-by: Atsushi Torikoshi
Author: Atsushi Torikoshi, tweaked by Fujii Masao
Discussion: https://postgr.es/m/ebd0d674f3e050222238a960cac5251a@oss.nttdata.com
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The GIN and SP-GiST parts were out-of-sync since the changes of 14903f2,
and the BRIN part was wrong since its introduction in 15cb2bd.
Author: Guillaume Lelarge
Reviewed-by: Daniel Gustafsson
Discussion: https://postgr.es/m/CAECtzeXKvEPEr967h0PRYRi39uTmdEms=oUtc_PWGjZRNN1prw@mail.gmail.com
Backpatch-through: 13
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The previous definition of the column was almost universally disliked,
so provide this updated definition which is more useful for monitoring
purposes: a large positive value is good, while zero or a negative value
means danger. This should be operationally more convenient.
Backpatch to 13, where the new column to pg_replication_slots (and the
feature it represents) were added.
Author: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Author: Álvaro Herrera <alvherre@alvh.no-ip.org>
Reported-by: Fujii Masao <masao.fujii@oss.nttdata.com>
Discussion: https://postgr.es/m/9ddfbf8c-2f67-904d-44ed-cf8bc5916228@oss.nttdata.com
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