| Commit message (Collapse) | Author | Age |
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We can't use txn_scheduled to hold the sleep-until time for \sleep, because
that interferes with calculation of the latency of the transaction as whole.
Backpatch to 9.4, where this bug was introduced.
Fabien COELHO
Discussion: <alpine.DEB.2.20.1608231622170.7102@lancre>
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MauMau, reviewed by Michael Paquier
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This makes the -? and -V options work consistently with other binaries.
--help and --version are now only recognized as the first option, i.e.
"ecpg --foobar --help" no longer prints the help, but that's consistent
with most of our other binaries, too.
Backpatch to all supported versions.
Haribabu Kommi
Discussion: <CAJrrPGfnRXvmCzxq6Dy=stAWebfNHxiL+Y_z7uqksZUCkW_waQ@mail.gmail.com>
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LibreSSL defines OPENSSL_VERSION_NUMBER to claim that it is version 2.0.0,
but it doesn't have the functions added in OpenSSL 1.1.0. Add autoconf
checks for the individual functions we need, and stop relying on
OPENSSL_VERSION_NUMBER.
Backport to 9.5 and 9.6, like the patch that broke this. In the
back-branches, there are still a few OPENSSL_VERSION_NUMBER checks left,
to check for OpenSSL 0.9.8 or 0.9.7. I left them as they were - LibreSSL
has all those functions, so they work as intended.
Per buildfarm member curculio.
Discussion: <2442.1473957669@sss.pgh.pa.us>
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The documentation states that the default value is 8MB, but this was
only true at BLCKSZ = 8kB, because the default was hard-coded as 1024.
Make the code match the docs by computing the default as 8MB/BLCKSZ.
Oversight in commit 75be66464, noted pursuant to a gripe from Peter E.
Discussion: <90634e20-097a-e4fd-67d5-fb2c42f0dd71@2ndquadrant.com>
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Changes needed to build at all:
- Check for SSL_new in configure, now that SSL_library_init is a macro.
- Do not access struct members directly. This includes some new code in
pgcrypto, to use the resource owner mechanism to ensure that we don't
leak OpenSSL handles, now that we can't embed them in other structs
anymore.
- RAND_SSLeay() -> RAND_OpenSSL()
Changes that were needed to silence deprecation warnings, but were not
strictly necessary:
- RAND_pseudo_bytes() -> RAND_bytes().
- SSL_library_init() and OpenSSL_config() -> OPENSSL_init_ssl()
- ASN1_STRING_data() -> ASN1_STRING_get0_data()
- DH_generate_parameters() -> DH_generate_parameters()
- Locking callbacks are not needed with OpenSSL 1.1.0 anymore. (Good
riddance!)
Also change references to SSLEAY_VERSION_NUMBER with OPENSSL_VERSION_NUMBER,
for the sake of consistency. OPENSSL_VERSION_NUMBER has existed since time
immemorial.
Fix SSL test suite to work with OpenSSL 1.1.0. CA certificates must have
the "CA:true" basic constraint extension now, or OpenSSL will refuse them.
Regenerate the test certificates with that. The "openssl" binary, used to
generate the certificates, is also now more picky, and throws an error
if an X509 extension is specified in "req_extensions", but that section
is empty.
Backpatch to 9.5 and 9.6, per popular demand. The file structure was
somewhat different in earlier branches, so I didn't bother to go further
than that. In back-branches, we still support OpenSSL 0.9.7 and above.
OpenSSL 0.9.6 should still work too, but I didn't test it. In master, we
only support 0.9.8 and above.
Patch by Andreas Karlsson, with additional changes by me.
Discussion: <20160627151604.GD1051@msg.df7cb.de>
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These were modified by the patch to only use replacement selection for the
first run in an external sort.
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Daniel Gustafsson
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Previously checkpoint_timeout was capped at 3600s
New max setting is 86400s = 24h = 1d
Discussion: 32558.1454471895@sss.pgh.pa.us
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Some experimentation with an older version of gcc showed that it is able
to determine whether "if (elevel_ >= ERROR)" is compile-time constant
if elevel_ is declared "const", but otherwise not so much. We had
accounted for that in ereport() but were too miserly with braces to
make it so in elog(). I don't know how many currently-interesting
compilers have the same quirk, but in case it will save some code
space, let's make sure that elog() is on the same footing as ereport()
for this purpose.
Back-patch to 9.3 where we introduced pg_unreachable() calls into
elog/ereport.
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Commit dd1a3bccc replaced a test on whether a subroutine returned a
null pointer with a test on whether &pointer->backendStatus was null.
This accidentally failed to fail, at least on common compilers, because
backendStatus is the first field in the struct; but it was surely trouble
waiting to happen. Commit f91feba87 then messed things up further,
changing the logic to
local_beentry = pgstat_fetch_stat_local_beentry(curr_backend);
if (!local_beentry)
continue;
beentry = &local_beentry->backendStatus;
if (!beentry)
{
where the second "if" is now dead code, so that the intended behavior of
printing a row with "<backend information not available>" cannot occur.
I suspect this is all moot because pgstat_fetch_stat_local_beentry
will never actually return null in this function's usage, but it's still
very poor coding. Repair back to 9.4 where the original problem was
introduced.
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When heap_lock_tuple decides to follow the update chain, it tried to
also lock any version of the tuple that was created by an update that
was subsequently rolled back. This is pointless, since for all intents
and purposes that tuple exists no more; and moreover it causes
misbehavior, as reported independently by Marko Tiikkaja and Marti
Raudsepp: some SELECT FOR UPDATE/SHARE queries may fail to return
the tuples, and assertion-enabled builds crash.
Fix by having heap_lock_updated_tuple test the xmin and return success
immediately if the tuple was created by an aborted transaction.
The condition where tuples become invisible occurs when an updated tuple
chain is followed by heap_lock_updated_tuple, which reports the problem
as HeapTupleSelfUpdated to its caller heap_lock_tuple, which in turn
propagates that code outwards possibly leading the calling code
(ExecLockRows) to believe that the tuple exists no longer.
Backpatch to 9.3. Only on 9.5 and newer this leads to a visible
failure, because of commit 27846f02c176; before that, heap_lock_tuple
skips the whole dance when the tuple is already locked by the same
transaction, because of the ancient HeapTupleSatisfiesUpdate behavior.
Still, the buggy condition may also exist in more convoluted scenarios
involving concurrent transactions, so it seems safer to fix the bug in
the old branches too.
Discussion:
https://www.postgresql.org/message-id/CABRT9RC81YUf1=jsmWopcKJEro=VoeG2ou6sPwyOUTx_qteRsg@mail.gmail.com
https://www.postgresql.org/message-id/48d3eade-98d3-8b9a-477e-1a8dc32a724d@joh.to
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Reading 2PC state files during recovery was borked, causing corruptions during
recovery. Effect limited to servers with 2PC, subtransactions and
recovery/replication.
Stas Kelvich, reviewed by Michael Paquier and Pavan Deolasee
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lazy_truncate_heap() was waiting for
VACUUM_TRUNCATE_LOCK_WAIT_INTERVAL, but in microseconds
not milliseconds as originally intended.
Found by code inspection.
Simon Riggs
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mdtruncate() forgot to FileClose() a segment's mdfd_vfd, when deleting
it. That lead to a fd.c handle to a truncated file being kept open until
backend exit.
The issue appears to have been introduced way back in 1a5c450f3024ac5,
before that the handle was closed inside FileUnlink().
The impact of this bug is limited - only VACUUM and ON COMMIT TRUNCATE
for temporary tables, truncate files in place (i.e. TRUNCATE itself is
not affected), and the relation has to be bigger than 1GB. The
consequences of a leaked fd.c handle aren't severe either.
Discussion: <20160908220748.oqh37ukwqqncbl3n@alap3.anarazel.de>
Backpatch: all supported releases
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commit_ts and test_pg_dump were declaring targets before including the
PGXS stanza, which meant that the "all" target customarily defined as
the first (and therefore default target) was not the default anymore.
Fix that by moving those target definitions to after PGXS.
commit_ts was initially good, but I broke it in commit 9def031bd2;
test_pg_dump was born broken, probably copying from commit_ts' mistake.
In passing, fix a comment mistake in test_pg_dump/Makefile.
Backpatch to 9.6.
Noted by Tom Lane.
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Previously, if a schema was created by an extension, a normal pg_dump run
(not --binary-upgrade) would summarily skip every object in that schema.
In a case where an extension creates a schema and then users create other
objects within that schema, this does the wrong thing: we want pg_dump
to skip the schema but still create the non-extension-owned objects.
There's no easy way to fix this pre-9.6, because in earlier versions the
"dump" status for a schema is just a bool and there's no way to distinguish
"dump me" from "dump my members". However, as of 9.6 we do have enough
state to represent that, so this is a simple correction of the logic in
selectDumpableNamespace.
In passing, make some cosmetic fixes in nearby code.
Martín Marqués, reviewed by Michael Paquier
Discussion: <99581032-71de-6466-c325-069861f1947d@2ndquadrant.com>
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If the database has a non-default tablespace, we emitted a TABLESPACE
clause in the CREATE DATABASE command emitted by -C, even if
--no-tablespaces was also specified. This seems wrong, and it's
inconsistent with what pg_dumpall does, so change it. Per bug #14315
from Danylo Hlynskyi.
Back-patch to 9.5. The bug is much older, but it'd be a more invasive
change before 9.5 because dumpDatabase() hasn't got an easy way to get
to the outputNoTablespaces flag. Doesn't seem worth the work given
the lack of previous complaints.
Report: <20160908081953.1402.75347@wrigleys.postgresql.org>
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StandbyRecoverPreparedTransactions() leaked the buffer
used for two phase state file. This was leaked once
at startup and at every shutdown checkpoint seen.
Backpatch to 9.6
Stas Kelvich
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Negative availMemLessRefund would be problematic. It's not entirely
clear whether the case can be hit in the code as it stands, but this
seems like good future-proofing in any case. While we're at it,
insist that the value be not merely positive but not tiny, so as to
avoid doing a lot of repalloc work for little gain.
Peter Geoghegan
Discussion: <CAM3SWZRVkuUB68DbAkgw=532gW0f+fofKueAMsY7hVYi68MuYQ@mail.gmail.com>
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After further reflection about the mess cleaned up in commit 39b691f25,
I decided the main bit of test coverage that was still missing was to
check that the non-default abbreviation-set files we supply are usable.
Add that.
Back-patch to supported branches, just because it seems like a good
idea to keep this all in sync.
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Commit b2cbced9e instituted a policy of referring to the timezone database
as the "IANA timezone database" in our user-facing documentation.
Propagate that wording into a couple of places that were still using "zic"
to refer to the database, which is definitely not right (zic is the
compilation tool, not the data).
Back-patch, not because this is very important in itself, but because
we routinely cherry-pick updates to the tznames files and I don't want
to risk future merge failures.
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computeLeafRecompressWALData() tried to produce a uint16 WAL log field by
memcpy'ing the first two bytes of an int-sized variable. That accidentally
works on little-endian hardware, but not at all on big-endian. Replay then
thinks it's looking at an ADDITEMS action with zero entries, and reads the
first two bytes of the first TID therein as the next segno/action,
typically leading to "unexpected GIN leaf action" errors during replay.
Even if replay failed to crash, the resulting GIN index page would surely
be incorrect. To fix, just declare the variable as uint16 instead.
Per bug #14295 from Spencer Thomason (much thanks to Spencer for turning
his problem into a self-contained test case). This likely also explains
a previous report of the same symptom from Bernd Helmle.
Back-patch to 9.4 where the problem was introduced (by commit 14d02f0bb).
Discussion: <20160826072658.15676.7628@wrigleys.postgresql.org>
Possible-Report: <2DA7350F7296B2A142272901@eje.land.credativ.lan>
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Previously, we threw an error if a dynamic timezone abbreviation did not
match any abbreviation recorded in the referenced IANA time zone entry.
That seemed like a good consistency check at the time, but it turns out
that a number of the abbreviations in the IANA database are things that
Olson and crew made up out of whole cloth. Their current policy is to
remove such names in favor of using simple numeric offsets. Perhaps
unsurprisingly, a lot of these made-up abbreviations have varied in meaning
over time, which meant that our commit b2cbced9e and later changes made
them into dynamic abbreviations. So with newer IANA database versions
that don't mention these abbreviations at all, we fail, as reported in bug
#14307 from Neil Anderson. It's worse than just a few unused-in-the-wild
abbreviations not working, because the pg_timezone_abbrevs view stops
working altogether (since its underlying function tries to compute the
whole view result in one call).
We considered deleting these abbreviations from our abbreviations list, but
the problem with that is that we can't stay ahead of possible future IANA
changes. Instead, let's leave the abbreviations list alone, and treat any
"orphaned" dynamic abbreviation as just meaning the referenced time zone.
It will behave a bit differently than it used to, in that you can't any
longer override the zone's standard vs. daylight rule by using the "wrong"
abbreviation of a pair, but that's better than failing entirely. (Also,
this solution can be interpreted as adding a small new feature, which is
that any abbreviation a user wants can be defined as referencing a time
zone name.)
Back-patch to all supported branches, since this problem affects all
of them when using tzdata 2016f or newer.
Report: <20160902031551.15674.67337@wrigleys.postgresql.org>
Discussion: <6189.1472820913@sss.pgh.pa.us>
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This can't really work because standby_mode expects there to be more
WAL arriving, which there will not ever be because there's no WAL
receiver process to fetch it. Moreover, if standby_mode is on then
hot standby might also be turned on, causing even more strangeness
because that expects read-only sessions to be executing in parallel.
Bernd Helmle reported a case where btree_xlog_delete_get_latestRemovedXid
got confused, but rather than band-aiding individual problems it seems
best to prevent getting anywhere near this state in the first place.
Back-patch to all supported branches.
In passing, also fix some omissions of errcodes in other ereport's in
readRecoveryCommandFile().
Michael Paquier (errcode hacking by me)
Discussion: <00F0B2CEF6D0CEF8A90119D4@eje.credativ.lan>
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Commit f9143d102ffd0947ca904c62b1d3d6fd587e0c80 falsified these.
KaiGai Kohei
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While testing simple_prompt() revisions, I happened to notice that
current initdb behaves rather badly when --pwprompt is specified and
the user miskeys the second password. It complains about the mismatch,
does "rm -rf" on the data directory, and exits. The problem is that
since commit c4a8812cf, there's a standalone backend sitting waiting
for commands at that point. It gets unhappy about its datadir having
gone away, and spews a PANIC message at the user, which is not nice.
(And the shell then adds to the mess with meaningless bleating about a
core dump...) We don't really want that sort of thing to happen unless
there's an internal failure in initdb, which this surely is not.
The best fix seems to be to move the collection of the password
earlier, so that it's done essentially as part of argument collection,
rather than at the rather ad-hoc time it was done before.
Back-patch to 9.6 where the problem was introduced.
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Source-Git-URL: git://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: d7dc5f3738c0ea670b32900bdd2c04da4c36bfb8
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Make pg_receivexlog work correctly with —-synchronous without slots
Backpatch to 9.5
Gabriele Bartolini, reviewed by Michael Paquier and Simon Riggs
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Previously pg_xlogdump failed to dump the contents of the WAL file
if the file starts with the continuation WAL record which spans
more than one pages. Since pg_xlogdump assumed that the continuation
record always fits on a page, it could not find the valid WAL record to
start reading from in that case.
This patch changes pg_xlogdump so that it can handle a continuation
WAL record which crosses a page boundary and find the valid record
to start reading from.
Back-patch to 9.3 where pg_xlogdump was introduced.
Author: Pavan Deolasee
Reviewed-By: Michael Paquier and Craig Ringer
Discussion: CABOikdPsPByMiG6J01DKq6om2+BNkxHTPkOyqHM2a4oYwGKsqQ@mail.gmail.com
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Per Tomas Vondra.
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I found that half a dozen (nearly 5%) of our AllocSetContextCreate calls
had typos in the context-sizing parameters. While none of these led to
especially significant problems, they did create minor inefficiencies,
and it's now clear that expecting people to copy-and-paste those calls
accurately is not a great idea. Let's reduce the risk of future errors
by introducing single macros that encapsulate the common use-cases.
Three such macros are enough to cover all but two special-purpose contexts;
those two calls can be left as-is, I think.
While this patch doesn't in itself improve matters for third-party
extensions, it doesn't break anything for them either, and they can
gradually adopt the simplified notation over time.
In passing, change TopMemoryContext to use the default allocation
parameters. Formerly it could only be extended 8K at a time. That was
probably reasonable when this code was written; but nowadays we create
many more contexts than we did then, so that it's not unusual to have a
couple hundred K in TopMemoryContext, even without considering various
dubious code that sticks other things there. There seems no good reason
not to let it use growing blocks like most other contexts.
Back-patch to 9.6, mostly because that's still close enough to HEAD that
it's easy to do so, and keeping the branches in sync can be expected to
avoid some future back-patching pain. The bugs fixed by these changes
don't seem to be significant enough to justify fixing them further back.
Discussion: <21072.1472321324@sss.pgh.pa.us>
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This has been requested a few times, but the use-case for it was never
entirely clear. The reason for adding it now is that transmission of
error reports from parallel workers fails when NLS is active, because
pq_parse_errornotice() wrongly assumes that the existing severity field
is nonlocalized. There are other ways we could have fixed that, but the
other options were basically kluges, whereas this way provides something
that's at least arguably a useful feature along with the bug fix.
Per report from Jakob Egger. Back-patch into 9.6, because otherwise
parallel query is essentially unusable in non-English locales. The
problem exists in 9.5 as well, but we don't want to risk changing
on-the-wire behavior in 9.5 (even though the possibility of new error
fields is specifically called out in the protocol document). It may
be sufficient to leave the issue unfixed in 9.5, given the very limited
usefulness of pq_parse_errornotice in that version.
Discussion: <A88E0006-13CB-49C6-95CC-1A77D717213C@eggerapps.at>
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HandleParallelMessages leaked memory into the caller's context. Since it's
called from ProcessInterrupts, there is basically zero certainty as to what
CurrentMemoryContext is, which means we could be leaking into long-lived
contexts. Over the processing of many worker messages that would grow to
be a problem. Things could be even worse than just a leak, if we happened
to service the interrupt while ErrorContext is current: elog.c thinks it
can reset that on its own whim, possibly yanking storage out from under
HandleParallelMessages.
Give HandleParallelMessages its own dedicated context instead, which we can
reset during each call to ensure there's no accumulation of wasted memory.
Discussion: <16610.1472222135@sss.pgh.pa.us>
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The guiding principle for the last few patches in this area apparently
involved throwing darts.
Cosmetic only, but back-patch to 9.6 because there is no reason for
9.6 and HEAD to diverge yet in this file.
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Copy the palloc'd strings into the correct context, ie ErrorContext
not wherever the source ErrorData is. This would be a large bug,
except that it appears that all catchers of thrown errors do either
EmitErrorReport or CopyErrorData before doing anything that would
cause transient memory contexts to be cleaned up. Still, it's wrong
and it will bite somebody someday.
Fix failure to copy cursorpos and internalpos.
Utter the appropriate incantations involving recursion_depth, so that
we'll behave sanely if we get an error inside pstrdup. (In general,
the body of this function ought to act like, eg, errdetail().)
Per code reading induced by Jakob Egger's report.
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The previous coding here was capable of adding a "parallel worker" context
line to errors that were not, in fact, returned from a parallel worker.
Instead of using an errcontext callback to add that annotation, just paste
it onto the message by hand; this looks uglier but is more reliable.
Discussion: <19757.1472151987@sss.pgh.pa.us>
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Commit f0c7b789a added a test case in case.sql that creates and then drops
both an '=' operator and the type it's for. Given the right timing, that
can cause a "cache lookup failed for type" failure in concurrent sessions,
which see the '=' operator as a potential match for '=' in a query, but
then the type is gone by the time they inquire into its properties.
It might be nice to make that behavior more robust someday, but as a
back-patchable solution, adjust the new test case so that the operator
is never visible to other sessions. Like the previous commit, back-patch
to all supported branches.
Discussion: <5983.1471371667@sss.pgh.pa.us>
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When there is an identifiable REPLICA IDENTITY index on the target table,
heap_update leaks the id_attrs bitmapset. That's not many bytes, but it
adds up over enough rows, since the code typically runs in a query-lifespan
context. Bug introduced in commit e55704d8b, which did a rather poor job
of cloning the existing use-pattern for RelationGetIndexAttrBitmap().
Per bug #14293 from Zhou Digoal. Back-patch to 9.4 where the bug was
introduced.
Report: <20160824114320.15676.45171@wrigleys.postgresql.org>
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ExecReScanAgg's check for whether it could re-use a previously calculated
hashtable neglected the possibility that the Agg node might reference
PARAM_EXEC Params that are not referenced by its input plan node. That's
okay if the Params are in upper tlist or qual expressions; but if one
appears in aggregate input expressions, then the hashtable contents need
to be recomputed when the Param's value changes.
To avoid unnecessary performance degradation in the case of a Param that
isn't within an aggregate input, add logic to the planner to determine
which Params are within aggregate inputs. This requires a new field in
struct Agg, but fortunately we never write plans to disk, so this isn't
an initdb-forcing change.
Per report from Jeevan Chalke. This has been broken since forever,
so back-patch to all supported branches.
Andrew Gierth, with minor adjustments by me
Report: <CAM2+6=VY8ykfLT5Q8vb9B6EbeBk-NGuLbT6seaQ+Fq4zXvrDcA@mail.gmail.com>
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Accidentally added in 8b65cf4c5edabdcae45ceaef7b9ac236879aae50.
Pointed out by Álvaro Herrera
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Every program having -lpgfeutils in LDFLAGS must have this dependency,
whether or not the program uses a libpgfeutils symbol. Back-patch to
9.6, where libpgfeutils was introduced.
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With Asserts off, these variables are set but never used, resulting
in warnings from pickier compilers. Fix that with our standard solution.
Per report from Jeff Janes.
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Due to an error in the abbreviated key abort logic, the most recently
processed SortTuple could be incorrectly marked NULL, resulting in an
incorrect final sort order.
In the worst case, this could result in a corrupt btree index, which
would need to be rebuild using REINDEX. However, abbrevation doesn't
abort very often, not all data types use it, and only one tuple would
end up in the wrong place, so the practical impact of this mistake may
be somewhat limited.
Report and patch by Peter Geoghegan.
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Obvious brain fade in set_rel_consider_parallel(). Noticed it while
adjusting the adjacent RTE_FUNCTION case.
In 9.6, also make the code look more like what I just did in HEAD
by removing the unnecessary function_rte_parallel_ok subroutine
(it does nothing that expression_tree_walker wouldn't do).
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Clobbering errno during cleanup after an error is an oft-repeated, easy
to make mistake. Deal with it here as everywhere else, by saving it
aside and restoring after cleanup, before ereport'ing.
In passing, add a missing errcode declaration in another ereport() call
in the same file, which I noticed while skimming the file looking for
similar problems.
Backpatch to 9.4, where this code was introduced.
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On some buildfarm animals the isolationtest added in 07ef0351 failed, as
the order in which processes are run after unlocking is not
guaranteed. Add an alternative output for that.
Discussion: <7969.1471484738@sss.pgh.pa.us>
Backpatch: 9.6, like the test in the aforementioned commit
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As usual, we've been pretty awful about maintaining these counts.
They're not all that critical, perhaps, but let's get them right
at release time. Also fix 9.5, which I notice is just as bad.
It's probably wrong further back, but the lack of --help=foo
options before 9.5 makes it too painful to count.
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These types are storage-compatible with real arrays, but they don't support
toasting, so of course they can't support expansion either.
Per bug #14289 from Michael Overmeyer. Back-patch to 9.5 where expanded
arrays were introduced.
Report: <20160818174414.1529.37913@wrigleys.postgresql.org>
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