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While there are numerous instances of using "power of 2" in the code,
translated user-facing messages use "power of two". Fix two instances
which used "power of 2" instead.
This is a backpatch of 95fff2abee in master.
Author: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Discussion: https://postgr.es/m/20230829.175615.682972421946735863.horikyota.ntt@gmail.com
Backpatch-through: v16
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After commit b0bea38705, syslogger prints 63 warnings about failing to
close a listen socket at postmaster startup. That's because the
syslogger process forks before the ListenSockets array is initialized,
so ClosePostmasterPorts() calls "close(0)" 64 times. The first call
succeeds, because fd 0 is stdin.
This has been like this since commit 9a86f03b4e in version 13, which
moved the SysLogger_Start() call to before initializing ListenSockets.
We just didn't notice until commit b0bea38705 added the LOG message.
Reported by Michael Paquier and Jeff Janes.
Author: Michael Paquier
Discussion: https://www.postgresql.org/message-id/ZOvvuQe0rdj2slA9%40paquier.xyz
Discussion: https://www.postgresql.org/message-id/ZO0fgDwVw2SUJiZx@paquier.xyz#482670177eb4eaf4c9f03c1eed963e5f
Backpatch-through: 13
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: a58360c10bd5a0f0153fcf75d0b5291ac1acecb0
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Commit 7b378237aa added a status message to pg_upgrade that is 60
characters wide. Since the MESSAGE_WIDTH macro is currently set to
60, there is no space between this new status message and the "ok"
or "failed" indicator appended when the step completes. To fix
this problem, this commit increases the value of MESSAGE_WIDTH to
62.
Suggested-by: Bharath Rupireddy
Reviewed-by: Peter Eisentraut
Discussion: https://postgr.es/m/CALj2ACVVvk1cYLtWVxHv%3DZ1Ubq%3DUES9fhKbUU4c9k4W%2BfEDnbw%40mail.gmail.com
Backpatch-through: 16
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Revalidation of a plancache entry (after a cache invalidation event)
requires acquiring a snapshot. Normally that is harmless, but not
if the cached statement is one that needs to run without acquiring a
snapshot. We were already aware of that for TransactionStmts,
but for some reason hadn't extrapolated to the other statements that
PlannedStmtRequiresSnapshot() knows mustn't set a snapshot. This can
lead to unexpected failures of commands such as SET TRANSACTION
ISOLATION LEVEL. We can fix it in the same way, by excluding those
command types from revalidation.
However, we can do even better than that: there is no need to
revalidate for any statement type for which parse analysis, rewrite,
and plan steps do nothing interesting, which is nearly all utility
commands. To mechanize this, invent a parser function
stmt_requires_parse_analysis() that tells whether parse analysis does
anything beyond wrapping a CMD_UTILITY Query around the raw parse
tree. If that's what it does, then rewrite and plan will just
skip the Query, so that it is not possible for the same raw parse
tree to produce a different plan tree after cache invalidation.
stmt_requires_parse_analysis() is basically equivalent to the
existing function analyze_requires_snapshot(), except that for
obscure reasons that function omits ReturnStmt and CallStmt.
It is unclear whether those were oversights or intentional.
I have not been able to demonstrate a bug from not acquiring a
snapshot while analyzing these commands, but at best it seems mighty
fragile. It seems safer to acquire a snapshot for parse analysis of
these commands too, which allows making stmt_requires_parse_analysis
and analyze_requires_snapshot equivalent.
In passing this fixes a second bug, which is that ResetPlanCache
would exclude ReturnStmts and CallStmts from revalidation.
That's surely *not* safe, since they contain parsable expressions.
Per bug #18059 from Pavel Kulakov. Back-patch to all supported
branches.
Discussion: https://postgr.es/m/18059-79c692f036b25346@postgresql.org
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Update source code comment changes belonging to the changes in
6a6389a08b.
Discussion: https://www.postgresql.org/message-id/flat/75ae5875-3abc-dafc-8aec-73247ed41cde@eisentraut.org
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Commit 319bae9a renamed the GUC. Rename the check and assign functions
to match, and alphabetize.
Back-patch to 16.
Author: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/2769341e-fa28-c2ee-3e4b-53fdcaaf2271%40eisentraut.org
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The SnapBuildRestoreContents() used a const value in the error message to
indicate the size in bytes it was expecting to read from the serialized
snapshot file. Fix it by reporting the size that was actually passed.
Author: Hou Zhijie
Reviewed-by: Amit Kapila
Backpatch-through: 16
Discussion: http://postgr.es/m/OS0PR01MB5716D408364F7DF32221C08D941FA@OS0PR01MB5716.jpnprd01.prod.outlook.com
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Conditionals cannot be inside gettext trigger functions, they must be
applied outside.
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The parenthesized plural is unnecessary here and inconsistent with
nearby similar messages.
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The meson build scripts attempt to find files left over from configure
and fail, mentioning that "make maintainer-clean" should be run to remove
these. This seems to have been done for files generated from configure.
pg_config_paths.h is generated during the actual make build, so seems to
have been missed. This would result in compilation using the wrong
pg_config_paths.h file.
Here we just add this file to generated_sources_ac so that meson errors
out if pg_config_paths.h exists.
Likely this wasn't noticed before because make maintainer-clean will
remove pg_config_paths.h, however, people using the MSVC build scripts
are more likely to run into issues and they have to manually remove
these files and pg_config_paths.h wasn't listed as a conflicting file to
remove in the meson log.
Backpatch-through: 16, where meson support was added
Discussion: https://postgr.es/m/CAApHDvqjYOxZfmLKAOWKFEE7LOr9_E6UA6YNmx9r8nxStcS3gg@mail.gmail.com
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See prior commit for an explanation for the goal of the change and why it had
to be split into two commits.
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Nazir Bilal Yavuz <byavuz81@gmail.com>
Discussion: https://postgr.es/m/20230808021541.7lbzdefvma7qmn3w@awork3.anarazel.de
Backpatch: 15-, where CI support was added
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_bt_allequalimage() does complicated things, so it's not OK to call it
in a critical section. Per buildfarm failure on 'prion', which uses
-DRELCACHE_FORCE_RELEASE -DCATCACHE_FORCE_RELEASE options.
Discussion: https://www.postgresql.org/message-id/6e5bbc08-cdfc-b2b3-9e23-1a914b9850a9@iki.fi
Backpatch-through: 16, like commit ccadf73163 that introduced this
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Some of the ambuildempty functions used smgrwrite() directly, followed
by smgrimmedsync(). A few small problems with that:
Firstly, one is supposed to use smgrextend() when extending a
relation, not smgrwrite(). It doesn't make much difference in
production builds. smgrextend() updates the relation size cache, so
you miss that, but that's harmless because we never use the cached
relation size of an init fork. But if you compile with
CHECK_WRITE_VS_EXTEND, you get an assertion failure.
Secondly, the smgrwrite() calls were performed before WAL-logging, so
the page image written to disk had 0/0 as the LSN, not the LSN of the
WAL record. That's also harmless in practice, but seems sloppy.
Thirdly, it's better to use the buffer cache, because then you don't
need to smgrimmedsync() the relation to disk, which adds latency.
Bypassing the cache makes sense for bulk operations like index
creation, but not when you're just initializing an empty index.
Creation of unlogged tables is hardly performance bottleneck in any
real world applications, but nevertheless.
Backpatch to v16, but no further. These issues should be harmless in
practice, so better to not rock the boat in older branches.
Reviewed-by: Robert Haas
Discussion: https://www.postgresql.org/message-id/6e5bbc08-cdfc-b2b3-9e23-1a914b9850a9@iki.fi
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Commit 31966b15 invented a way for functions dealing with relation
extension to accept a Relation in online code and an SMgrRelation in
recovery code. It seems highly likely that future bufmgr.c interfaces
will face the same problem, and need to do something similar.
Generalize the names so that each interface doesn't have to re-invent
the wheel.
Back-patch to 16. Since extension AM authors might start using the
constructor macros once 16 ships, we agreed to do the rename in 16
rather than waiting for 17.
Reviewed-by: Peter Geoghegan <pg@bowt.ie>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/CA%2BhUKG%2B6tLD2BhpRWycEoti6LVLyQq457UL4ticP5xd8LqHySA%40mail.gmail.com
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Commit 396d348b04 did not account for the default collation.
Also, use pg_log_warning() instead of Assert().
Discussion: https://postgr.es/m/ce071503fee88334aa70f360e6e4ea14d48305ee.camel%40j-davis.com
Reviewed-by: Michael Paquier
Backpatch-through: 15
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Attribute missing values might be needed past the lifetime of the tuple
descriptors from which they are extracted. To avoid possibly using
pointers for by-reference values which might thus be left dangling, we
cache a datumCopy'd version of the datum in the TopMemoryContext. Since
we first search for the value this only needs to be done once per
session for any such value.
Original complaint from Tom Lane, idea for mitigation by Andrew Dunstan,
tweaked by Tom Lane.
Backpatch to version 11 where missing values were introduced.
Discussion: https://postgr.es/m/1306569.1687978174@sss.pgh.pa.us
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This commit fixes the function of $subject for shared relations. This
feature has been added by e042678. Unfortunately, this new behavior got
removed by 5891c7a when moving statistics to shared memory.
Reported-by: Mitsuru Hinata
Author: Masahiro Ikeda
Reviewed-by: Kyotaro Horiguchi, Masahiko Sawada
Discussion: https://postgr.es/m/7cc69f863d9b1bc677544e3accd0e4b4@oss.nttdata.com
Backpatch-through: 15
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A significant chunk of the time on the macos CI task is spent installing
packages using homebrew. The downloads of the packages are cached, but the
installation needs to happen every time. We can't cache the whole homebrew
installation, because it is too large due to pre-installed packages.
Speed this up by installing packages using macports and caching the
installation as .dmg. That's a lot faster than unpacking a tarball.
In addition, don't install llvm - it wasn't enabled when building, so it's
just a waste of time/space.
This substantially speeds up the mac CI time, both in the cold cache and in
the warm cache case (the latter from ~1m20s to ~5s).
It doesn't seem great to have diverging sources of packages for CI between
branches, so backpatch to 15 (where CI was added).
Discussion: https://postgr.es/m/20230805202539.r3umyamsnctysdc7@awork3.anarazel.de
Backpatch: 15-, where CI was added
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There was a warning that FORMAT JSON has no effect on json/jsonb
types, which is true, but it's not clear why we should issue a warning
about it. The SQL standard does not say anything about this, which
should generally govern the behavior here. So remove it.
Discussion: https://www.postgresql.org/message-id/flat/dfec2cae-d17e-c508-6d16-c2dba82db486%40eisentraut.org
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In rare circumstances involving relfilenode reuse, it might have been
possible for smgr_targblock to finish up pointing past the end.
Oversight in b74e94dc. Back-patch to 15.
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://postgr.es/m/CA%2BhUKGJ8NTvqLHz6dqbQnt2c8XCki4r2QvXjBQcXpVwxTY_pvA%40mail.gmail.com
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We had essentially the same error in several different wordings.
Unify that.
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Discussion: https://www.postgresql.org/message-id/CAHut+PtfzQ7JRkb0-Y_UejAxaLQ17-bGMvV4MJJHcPoP3ML2bg@mail.gmail.com
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Commit b91dd9de was concerned with a theoretical problem with our
non-atomic condition variable operations. If you stop sleeping, and
then cancel the sleep in a separate step, you might be signaled in
between, and that could be lost. That doesn't matter for callers of
ConditionVariableBroadcast(), but callers of ConditionVariableSignal()
might be upset if a signal went missing like this.
Commit bc971f4025c interacted badly with that logic, because it doesn't
use ConditionVariableSleep(), which would normally put us back in the
wait list. ConditionVariableCancelSleep() would be confused and think
we'd received an extra signal, and try to forward it to another backend,
resulting in wakeup storms.
New idea: ConditionVariableCancelSleep() can just return true if we've
been signaled. Hypothetical users of ConditionVariableSignal() would
then still have a way to deal with rare lost signals if they are
concerned about that problem.
Back-patch to 16, where bc971f4025c arrived.
Reported-by: Tomas Vondra <tomas.vondra@enterprisedb.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/2840876b-4cfe-240f-0a7e-29ffd66711e7%40enterprisedb.com
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The new relation extension logic, introduced in 00d1e02be24, could lead to
slowdowns in some scenarios. E.g., when loading narrow rows into a table using
COPY, the caller of RelationGetBufferForTuple() will only request a small
number of pages. Without concurrency, we just extended using pwritev() in that
case. However, if there is *some* concurrency, we switched between extending
by a small number of pages and a larger number of pages, depending on the
number of waiters for the relation extension logic. However, some
filesystems, XFS in particular, do not perform well when switching between
extending files using fallocate() and pwritev().
To avoid that issue, remember the number of prior relation extensions in
BulkInsertState and extend more aggressively if there were prior relation
extensions. That not just avoids the aforementioned slowdown, but also leads
to noticeable performance gains in other situations, primarily due to
extending more aggressively when there is no concurrency. I should have done
it this way from the get go.
Reported-by: Masahiko Sawada <sawada.mshk@gmail.com>
Author: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/CAD21AoDvDmUQeJtZrau1ovnT_smN940=Kp6mszNGK3bq9yRN6g@mail.gmail.com
Backpatch: 16-, where the new relation extension code was added
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pg_logical_emit_message(false, '_', repeat('x', 1069547465)) failed with
self-contradictory message "WAL record would be 1069547520 bytes (of
maximum 1069547520 bytes)". There's no particular benefit from allowing
or denying one byte in either direction; XLogRecordMaxSize could rise a
few megabytes without trouble. Hence, this is just for cleanliness.
Back-patch to v16, where this check first appeared.
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The fix itself is fine, but the test revealed other problems related
to parallel query that are not easily fixable. Remove the test for
now to fix the buildfarm.
Discussion: https://postgr.es/m/88825.1691665432@sss.pgh.pa.us
Backpatch-through: 11
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Commit 19d8e2308bc5 changed the list of set-of-columns that can be
returned by RelationGetIndexAttrBitmap, but didn't update its
"documentation". That was pretty hard to read already, so rewrite to
make it more comprehensible, adding the missing values while at it.
Backpatch to 16, like that commit.
Discussion: https://postgr.es/m/20230809091155.7c7f3gttjk3dj4ze@alvherre.pgsql
Reviewed-by: Tomas Vondra <tomas.vondra@enterprisedb.com>
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Renaming a role can affect the meaning of the special string $user, so
must cause search_path to be recalculated.
Discussion: https://postgr.es/m/186761d32c0255debbdf50b6310b581b9c973e6c.camel@j-davis.com
Reviewed-by: Nathan Bossart, Michael Paquier
Backpatch-through: 11
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Substituting such values in extension scripts facilitated SQL injection
when @extowner@, @extschema@, or @extschema:...@ appeared inside a
quoting construct (dollar quoting, '', or ""). No bundled extension was
vulnerable. Vulnerable uses do appear in a documentation example and in
non-bundled extensions. Hence, the attack prerequisite was an
administrator having installed files of a vulnerable, trusted,
non-bundled extension. Subject to that prerequisite, this enabled an
attacker having database-level CREATE privilege to execute arbitrary
code as the bootstrap superuser. By blocking this attack in the core
server, there's no need to modify individual extensions. Back-patch to
v11 (all supported versions).
Reported by Micah Gate, Valerie Woolard, Tim Carey-Smith, and Christoph
Berg.
Security: CVE-2023-39417
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: 97398d714ace69f0c919984e160f429b6fd2300e
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The use of Memoize was already disabled in normal joins when the join
conditions had volatile functions per the code in
match_opclause_to_indexcol(). Ordinarily, the parameterization for the
inner side of a nested loop will be an Index Scan or at least eventually
lead to an index scan (perhaps nested several joins deep). However, for
lateral joins, that's not the case and seq scans can be parameterized
too, so we can't rely on match_opclause_to_indexcol().
Here we explicitly check the parameterization for volatile functions and
don't consider the generation of a Memoize path when such functions
are present.
Author: Richard Guo
Discussion: https://postgr.es/m/CAMbWs49nHFnHbpepLsv_yF3qkpCS4BdB-v8HoJVv8_=Oat0u_w@mail.gmail.com
Backpatch-through: 14, where Memoize was introduced
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If MERGE executes an UPDATE action on a table with row-level security,
the code incorrectly applied the WITH CHECK clauses from the target
table's INSERT policies to new rows, instead of the clauses from the
table's UPDATE policies. In addition, it failed to check new rows
against the target table's SELECT policies, if SELECT permissions were
required (likely to always be the case).
In addition, if MERGE executes a DO NOTHING action for matched rows,
the code incorrectly applied the USING clauses from the target table's
DELETE policies to existing target tuples. These policies were applied
as checks that would throw an error, if they did not pass.
Fix this, so that a MERGE UPDATE action applies the same RLS policies
as a plain UPDATE query with a WHERE clause, and a DO NOTHING action
does not apply any RLS checks (other than adding clauses from SELECT
policies to the join).
Back-patch to v15, where MERGE was introduced.
Dean Rasheed, reviewed by Stephen Frost.
Security: CVE-2023-39418
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Commit e7cb7ee14 allowed custom scan providers to create CustomPath
paths for join relations as well, but missed updating the comments.
Back-patch to all supported branches.
Discussion: https://postgr.es/m/CAPmGK15ODkN%2B%3DhkBCufj1HBW0x5OTb65Xuy7ryXchMdiCMpx_g%40mail.gmail.com
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Commit 7259736a6 updated the comment but it was not correct since
ReorderBufferLargestStreamableTopTXN() returns only top-level
transactions.
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/CAD21AoA9XB7OR86BqvrCe2dMYX%2BZv3-BvVmjF%3DGY2z6jN-kqjg%40mail.gmail.com
Backpatch-through: 14
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The stats regression test attempts to ensure that Buffer Access Strategy
"reuses" are being counted in pg_stat_io by vacuuming a table which is larger
than the size of the strategy ring. However, when shared buffers are in
sufficiently high demand, another backend could evict one of the blocks in the
strategy ring before the first backend has a chance to reuse the buffer. The
backend using the strategy would then evict another shared buffer and add that
buffer to the strategy ring. This counts as an eviction and not a reuse in
pg_stat_io. Count both evictions and reuses in the test to ensure it does not
fail incorrectly.
Reported-by: Jeff Davis <pgsql@j-davis.com>,
Author: Melanie Plageman <melanieplageman@gmail.com>
Reviewed-by: Alexander Lakhin <exclusion@gmail.com>
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Discussion: https://postgr.es/m/CAAKRu_bNG27AxG9TdPtwsL6wg8AWbVckjmTL2t1HF=miDQuNtw@mail.gmail.com
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Between 6fcda9aba and 1b6f632a3, the pg_strtoint functions became quite
a bit slower in v16, despite efforts in 6b423ec67 to speed these up.
Since the majority of cases for these functions will only contain
base-10 digits, perhaps prefixed by a '-', it makes sense to have a
special case for this and just fall back on the more complex version
which processes hex, octal, binary and underscores if the fast path
version fails to parse the string.
While we're here, update the header comments for these functions to
mention that hex, octal and binary formats along with underscore
separators are now supported.
Author: Andres Freund, David Rowley
Reported-by: Masahiko Sawada
Reviewed-by: Dean Rasheed, John Naylor
Discussion: https://postgr.es/m/CAD21AoDvDmUQeJtZrau1ovnT_smN940%3DKp6mszNGK3bq9yRN6g%40mail.gmail.com
Backpatch-through: 16, where 6fcda9aba and 1b6f632a3 were added
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This was failing for queries which try to get the .type() of a
jpiLikeRegex. For example:
select jsonb_path_query('["string", "string"]',
'($[0] like_regex ".{7}").type()');
Reported-by: Alexander Kozhemyakin
Bug: #18035
Discussion: https://postgr.es/m/18035-64af5cdcb5adf2a9@postgresql.org
Backpatch-through: 12, where SQL/JSON path was added.
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Commit e7cb7ee14, which introduced the infrastructure for FDWs and
custom scan providers to replace joins with scans, failed to add support
handling of pseudoconstant quals assigned to replaced joins in
createplan.c, leading to an incorrect plan without a gating Result node
when postgres_fdw replaced a join with such a qual.
To fix, we could add the support by 1) modifying the ForeignPath and
CustomPath structs to store the list of RestrictInfo nodes to apply to
the join, as in JoinPaths, if they represent foreign and custom scans
replacing a join with a scan, and by 2) modifying create_scan_plan() in
createplan.c to use that list in that case, instead of the
baserestrictinfo list, to get pseudoconstant quals assigned to the join;
but #1 would cause an ABI break. So fix by modifying the infrastructure
to just disallow replacing joins with such quals.
Back-patch to all supported branches.
Reported by Nishant Sharma. Patch by me, reviewed by Nishant Sharma and
Richard Guo.
Discussion: https://postgr.es/m/CADrsxdbcN1vejBaf8a%2BQhrZY5PXL-04mCd4GDu6qm6FigDZd6Q%40mail.gmail.com
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Historically, hba.c limited tokens in the authentication configuration
files (pg_hba.conf and pg_ident.conf) to less than 256 bytes. We have
seen a few reports of this limit causing problems; notably, for
moderately-complex LDAP configurations. Let's get rid of the fixed
limit by using a StringInfo instead of a fixed-size buffer.
This actually takes less code than before, since we can get rid of
a nontrivial error recovery stanza. It's doubtless a hair slower,
but parsing the content of the HBA files should in no way be
performance-critical.
Although this is a pretty straightforward patch, it doesn't seem
worth the risk to back-patch given the small number of complaints
to date. In released branches, we'll just raise MAX_TOKEN to
ameliorate the problem.
Discussion: https://postgr.es/m/1588937.1690221208@sss.pgh.pa.us
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9f8377f7a added code to allow COPY FROM insert a column's default value
when the input matches the DEFAULT string specified in the COPY command.
Here we fix some inefficient code which needlessly palloc0'd an array to
store if we should use the default value or input value for the given
column. This array was being palloc0'd and pfree'd once per row. It's
much more efficient to allocate this once and just reset the values once
per row.
Reported-by: Masahiko Sawada
Author: Masahiko Sawada
Discussion: https://postgr.es/m/CAD21AoDvDmUQeJtZrau1ovnT_smN940%3DKp6mszNGK3bq9yRN6g%40mail.gmail.com
Backpatch-through: 16, where 9f8377f7a was introduced.
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Commit 5764f611e used dclist_delete_from() to remove the proc from the
wait queue. However, since it doesn't clear dist_node's next/prev to
NULL, it could call RemoveFromWaitQueue() twice: when the process
detects a deadlock and then when cleaning up locks on aborting the
transaction. The waiting lock information is cleared in the first
call, so it led to a crash in the second call.
Backpatch to v16, where the change was introduced.
Bug: #18031
Reported-by: Justin Pryzby, Alexander Lakhin
Reviewed-by: Andres Freund
Discussion: https://postgr.es/m/ZKy4AdrLEfbqrxGJ%40telsasoft.com
Discussion: https://postgr.es/m/18031-ebe2d08cb405f6cc@postgresql.org
Backpatch-through: 16
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Previously, when selecting an usable index for update/delete for the
REPLICA IDENTITY FULL table, in IsIndexOnlyExpression(), we used to
check if all index fields are not expressions. However, it was not
necessary, because it is enough to check if only the leftmost index
field is not an expression (and references the remote table column)
and this check has already been done by
RemoteRelContainsLeftMostColumnOnIdx().
This commit removes IsIndexOnlyExpression() and
RemoteRelContainsLeftMostColumnOnIdx() and all checks for usable
indexes for REPLICA IDENTITY FULL tables are now performed by
IsIndexUsableForReplicaIdentityFull().
Backpatch this to remain the code consistent.
Reported-by: Peter Smith
Reviewed-by: Amit Kapila, Önder Kalacı
Discussion: https://postgr.es/m/CAHut%2BPsGRE5WSsY0jcLHJEoA17MrbP9yy8FxdjC_ZOAACxbt%2BQ%40mail.gmail.com
Backpatch-through: 16
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We include the message type while displaying an error context in the
apply worker. Now, while retrieving the message type string if the
message type is unknown we throw an error that will hide the original
error. So, instead, we need to simply return the string indicating an
unknown message type.
Reported-by: Ashutosh Bapat
Author: Euler Taveira, Amit Kapila
Reviewed-by: Ashutosh Bapat
Backpatch-through: 15
Discussion: https://postgr.es/m/CAExHW5suAEDW-mBZt_qu4RVxWZ1vL54-L+ci2zreYWebpzxYsA@mail.gmail.com
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Due to the bug LimitAdditionalPins() could return 0, violating
LimitAdditionalPins()'s API ("One additional pin is always allowed"). This
could be hit when setting shared_buffers very low and using a fair amount of
concurrency.
This bug was introduced in 31966b151e6a.
Author: "Anton A. Melnikov" <aamelnikov@inbox.ru>
Reported-by: "Anton A. Melnikov" <aamelnikov@inbox.ru>
Reported-by: Victoria Shepard
Discussion: https://postgr.es/m/ae46f2fb-5586-3de0-b54b-1bb0f6410ebd@inbox.ru
Backpatch: 16-
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Because PostgreSQL::Version is very nuanced about development version
numbers, the comparison to 16beta2 makes it think that that release is
older than 16, therefore applying a database tweak that doesn't work
there (the comparison is only supposed to match when run on version 15).
As suggested by Andrew Dunstan, fix by having AdjustUpgrade.pm public
methods create a separate PostgreSQL::Version object to use for these
comparisons, that only carries the major version number.
While at it, have the same methods ensure that the objects given are of
the expected type.
Backpatch to 16. This module goes all the way back to 9.2, but there's
probably no need for this fix except where betas still live.
Co-authored-by: Andrew Dunstan <andrew@dunslane.net>
Discussion: https://postgr.es/m/20230719110504.zbu74o54bqqlsufb@alvherre.pgsql
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After 3c90dcd03, try_partitionwise_join's child_joinrelids
variable is read only in an Assert, provoking a compiler
warning in non-assert builds. Rearrange code to avoid the
warning and eliminate unnecessary work in the non-assert case.
Per CI testing (via Jeff Davis and Bharath Rupireddy)
Discussion: https://postgr.es/m/ef0de9713e605451f1b60b30648c5ee900b2394c.camel@j-davis.com
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Applying add_outer_joins_to_relids() to a child join doesn't actually
work, even if we've built a SpecialJoinInfo specialized to the child,
because that function will also compare the join's relids to elements
of the main join_info_list, which only deal in regular relids not
child relids. This mistake escaped detection by the existing
partitionwise join tests because they didn't test any cases where
add_outer_joins_to_relids() needs to add additional OJ relids (that
is, any cases where join reordering per identity 3 is possible).
Instead, let's apply adjust_child_relids() to the relids of the parent
join. This requires minor code reordering to collect the relevant
AppendRelInfo structures first, but that's work we'd do shortly anyway.
Report and fix by Richard Guo; cosmetic changes by me
Discussion: https://postgr.es/m/CAMbWs49NCNbyubZWgci3o=_OTY=snCfAPtMnM-32f3mm-K-Ckw@mail.gmail.com
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A CaseTestExpr is currently being put into
JsonValueExpr.formatted_expr as placeholder for the result of
evaluating JsonValueExpr.raw_expr, which in turn is evaluated
separately. Though, there's no need for this indirection if
raw_expr itself can be embedded into formatted_expr and evaluated
as part of evaluating the latter, especially as there is no
special reason to evaluate it separately. So this commit makes it
so. As a result, JsonValueExpr.raw_expr no longer needs to be
evaluated in ExecInterpExpr(), eval_const_exprs_mutator() etc. and
is now only used for displaying the original "unformatted"
expression in ruleutils.c. Comments about and the code manipulating
formatted_expr is updated to mention that it is now always set and
is the expression that gives a JsonValueExpr its runtime value.
While at it, this also removes the function makeCaseTestExpr(),
because the code in makeJsonConstructorExpr() looks more readable
without it IMO and isn't used by anyone else either.
Finally, a note is added in the comment above CaseTestExpr's
definition that JsonConstructorExpr is also using it.
Backpatched to 16 from the development branch to keep the code in
sync across branches.
Reviewed-by: Álvaro Herrera <alvherre@alvh.no-ip.org>
Discussion: https://postgr.es/m/CA+HiwqE4XTdfb1nW=Ojoy_tQSRhYt-q_kb6i5d4xcKyrLC1Nbg@mail.gmail.com
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