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Commit 7d6d2c4bbd7 dropped opcintype from the index AM strategy
translation API. But some error messages about failed lookups still
mentioned it, even though it was not used for the lookup. Fix by
removing ipcintype from the error messages as well.
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8e03eb92e9a reverted the commit 39b66a91bd which allowed freezing
in the heap_insert() code path but forgot to remove the corresponding
check in heap_xlog_insert(). This code is extraneous but not harmful.
However, cleaning it up makes it very clear that, as of now, we do not
support any freezing of pages in the heap_insert() path.
Author: Melanie Plageman <[email protected]>
Reviewed-by: Tomas Vondra <[email protected]>
Discussion: https://postgr.es/m/flat/CAAKRu_Zp4Pi-t51OFWm1YZ-cctDfBhHCMZ%3DEx6PKxv0o8y2GvA%40mail.gmail.com
Backpatch-through: 14
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We can simplify the VM counters added in dc6acfd910b8 to
lazy_vacuum_heap_page() and lazy_scan_new_or_empty().
We won't invoke lazy_vacuum_heap_page() unless there are dead line
pointers, so we know the page can't be all-visible.
In lazy_scan_new_or_empty(), we only update the VM if the page-level
hint PD_ALL_VISIBLE is clear, and the VM bit cannot be set if the page
level bit is clear because a subsequent page update would fail to clear
the visibility map bit.
Simplify the logic for determining which log counters to increment based
on this knowledge. Doing so is worthwhile because the old logic was
confusing and misguided.
Author: Melanie Plageman <[email protected]>
Reviewed-by: Nazir Bilal Yavuz <[email protected]>
Reviewed-by: Masahiko Sawada <[email protected]>
Discussion: https://postgr.es/m/flat/CAAKRu_a9w_n2mwY%3DG4LjfWTvRTJtjbfvnYAKi4WjO8QXHHrA0g%40mail.gmail.com
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Introduced by c2da1a5d6325
Reported-by: Michael Paquier <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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We were missing collecting comments for not-null constraints that are
dumped inline with the table definition (i.e., valid ones), because they
aren't represented by a separately dumpable object. Fix by creating
separate TocEntries for the comments.
Co-Authored-By: Jian He <[email protected]>
Co-Authored-By: Álvaro Herrera <[email protected]>
Reported-By: Fujii Masao <[email protected]>
Reviewed-By: Fujii Masao <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Commit 14e87ffa5c5 introduced support for adding comments to NOT NULL
constraints. However, CREATE TABLE LIKE INCLUDING COMMENTS did not copy
these comments to the new table. This was an oversight in that commit.
This commit corrects the behavior by ensuring CREATE TABLE LIKE to also copy
the comments on NOT NULL constraints when INCLUDING COMMENTS is specified.
Author: Jian He <[email protected]>
Co-authored-by: Álvaro Herrera <[email protected]>
Reviewed-by: Fujii Masao <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Fix a couple of sentences in the documentation that were missed in
commit 80feb727c8.
Author: Dean Rasheed <[email protected]>
Reviewed-by: Robert Treat <[email protected]>
Discussion: https://postgr.es/m/CAEZATCUcqADJuapZSjPf2b6hFJ6AGOUwefRvh8Ht3UZoqqw69Q@mail.gmail.com
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The convention in the documentation for other SQL commands is to
indent continuation lines and sub-clauses in the "Synopsis" section by
4 spaces, so do the same for MERGE.
Author: Dean Rasheed <[email protected]>
Reviewed-by: Nathan Bossart <[email protected]>
Discussion: https://postgr.es/m/CAEZATCV+9tR9+WM-SCcdBEZ3x7WVxUpADD5jX9WeGX97z4LCGA@mail.gmail.com
Backpatch-through: 15
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For the subcommand ALTER COLUMN TYPE of the ALTER TABLE command, the
USING expression may reference virtual generated columns. These
columns must be expanded before the expression is fed through
expression_planner and the expression-execution machinery. Failing to
do so can result in incorrect rewrite decisions, and can also lead to
"ERROR: unexpected virtual generated column reference".
Reported-by: Alexander Lakhin <[email protected]>
Reviewed-by: jian he <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Author: Robert Treat <[email protected]>
Reviewed-by: jian he <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/CACJufxFo4yTwzbSZrP%2BzQiR6_M00skoZMFaUnNJCdY6he%3DuQfA%40mail.gmail.com
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After discussion, the name --remove was suboptimally chosen. --clean
has more precedent in other PostgreSQL tools.
Reviewed-by: Hayato Kuroda (Fujitsu) <[email protected]>
Discussion: https://www.postgresql.org/message-id/[email protected]
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Just like selecting from a view is exploitable (CVE-2024-7348),
selecting from a table with virtual generated columns is exploitable.
Users who are concerned about this can avoid selecting from views, but
telling them to avoid selecting from tables is less practical.
To address this, this changes it so that generation expressions for
virtual generated columns are restricted to using built-in functions
and types, and the columns are restricted to having a built-in type.
We assume that built-in functions and types cannot be exploited for
this purpose.
In the future, this could be expanded by some new mechanism to declare
other functions and types as safe or trusted for this purpose, but
that is to be designed.
(An alternative approach might have been to expand the
restrict_nonsystem_relation_kind GUC to handle this, like the fix for
CVE-2024-7348. But that is kind of an ugly approach. That fix had to
fit in the constraints of fixing an ancient vulnerability in all
branches. Since virtual generated columns are new, we're free from
the constraints of the past, and we can and should use cleaner
options.)
Reported-by: Feike Steenbergen <[email protected]>
Reviewed-by: jian he <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/CAK_s-G2Q7de8Q0qOYUR%3D_CTB5FzzVBm5iZjOp%2BmeVWpMpmfO0w%40mail.gmail.com
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Protocol v4 introduces parallel streaming, which allows Stream Abort
messages to include additional abort information such as LSN and
timestamp. However, the current documentation only states, "This field is
available since protocol version 4," which may misleadingly suggest that
the fields are always present when using protocol v4.
This patch clarifies that the abort LSN and timestamp are included only
when parallel streaming is enabled, even under protocol v4.
Author: Anthonin Bonnefoy <[email protected]>
Reviewed-by: Amit Kapila <[email protected]>
Backpatch-through: 16, where it was introduced
Discussion: https://postgr.es/m/CAO6_XqoKteQR1AnaR8iPcegbBE+HkAc2-g12rxN04yOt4-2ORg@mail.gmail.com
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This fixes two issues with the handling of VacuumParams in vacuum_rel().
This code path has the idea to change the passed-in pointer of
VacuumParams for the "truncate" and "index_cleanup" options for the
relation worked on, impacting the two following scenarios where
incorrect options may be used because a VacuumParams pointer is shared
across multiple relations:
- Multiple relations in a single VACUUM command.
- TOAST relations vacuumed with their main relation.
The problem is avoided by providing to the two callers of vacuum_rel()
copies of VacuumParams, before the pointer is updated for the "truncate"
and "index_cleanup" options.
The refactoring of the VACUUM option and parameters done in 0d831389749a
did not introduce an issue, but it has encouraged the problem we are
dealing with in this commit, with b84dbc8eb80b for "truncate" and
a96c41feec6b for "index_cleanup" that have been added a couple of years
after the initial refactoring. HEAD will be improved with a different
patch that hardens the uses of VacuumParams across the tree. This
cannot be backpatched as it introduces an ABI breakage.
The backend portion of the patch has been authored by Nathan, while I
have implemented the tests. The tests rely on injection points to check
the option values, making them faster, more reliable than the tests
originally proposed by Shihao, and they also provide more coverage.
This part can only be backpatched down to v17.
Reported-by: Shihao Zhong <[email protected]>
Author: Nathan Bossart <[email protected]>
Co-authored-by: Michael Paquier <[email protected]>
Discussion: https://postgr.es/m/CAGRkXqTo+aK=GTy5pSc-9cy8H2F2TJvcrZ-zXEiNJj93np1UUw@mail.gmail.com
Backpatch-through: 13
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The documentation previously described the type of the io_workers GUC
parameter as "int". However, the documentation consistently uses "integer"
for parameters of this type.
This commit updates the type description of io_workers to "integer"
for consistency with other GUC parameter descriptions.
Author: Fujii Masao <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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The documentation for track_cost_delay_timing describes where cost-based
vacuum delay timing information is displayed when the setting is enabled.
While this information is also shown in the output of ANALYZE VERBOSE,
that was previously omitted from the list.
This commit updates the documentation to include ANALYZE VERBOSE in the list,
clarifying that it also reports cost-based delay timing information.
Author: Fujii Masao <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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For parameters that exist as both configuration and storage options,
the documentation typically includes secondary index entries to
help users distinguish and locate the relevant references easily.
However, such index entries were missing for vacuum_truncate and
vacuum_max_eager_freeze_failure_rate, both introduced in v18.
This commit adds appropriate secondary index terms for these parameters
to ensure consistency with other parameters and improve usability of
the documentation index.
Author: Fujii Masao <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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The logical replication launcher process would sometimes sleep
for as much as 3 minutes before noticing that it is supposed
to launch a new worker. This could happen if
(1) WaitForReplicationWorkerAttach absorbed a process latch wakeup
that was meant to cause ApplyLauncherMain to do work, or
(2) logicalrep_worker_launch reported failure, either because of
resource limits or because the new worker terminated immediately.
In case (2), the expected behavior is that we retry the launch after
wal_retrieve_retry_interval, but that didn't reliably happen.
It's not clear how often such conditions would occur in the field,
but in our subscription test suite they are somewhat common,
especially in tests that exercise cases that cause quick worker
failure. That causes the tests to take substantially longer than
they ought to do on typical setups.
To fix (1), make WaitForReplicationWorkerAttach re-set the latch
before returning if it cleared it while looping. To fix (2), ensure
that we reduce wait_time to no more than wal_retrieve_retry_interval
when logicalrep_worker_launch reports failure. In passing, fix a
couple of perhaps-hypothetical race conditions, e.g. examining
worker->in_use without a lock.
Backpatch to v16. Problem (2) didn't exist before commit 5a3a95385
because the previous code always set wait_time to
wal_retrieve_retry_interval when launching a worker, regardless of
success or failure of the launch. That behavior also greatly
mitigated problem (1), so I'm not excited about adapting the remainder
of the patch to the substantially-different code in older branches.
Author: Tom Lane <[email protected]>
Reviewed-by: Amit Kapila <[email protected]>
Reviewed-by: Ashutosh Bapat <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 16
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Commit 62d712ecfd94 made query jumbling squash lists of Consts as a
single element, but there's no reason not to treat PARAM_EXTERN
parameters the same. For these purposes, these values are indeed
constants for any particular execution of a query.
In particular, this should make list squashing more useful for
applications using extended query protocol, which would use parameters
extensively.
A complication arises: if a query has both external parameters and
squashable lists, then the parameter number used as placeholder for the
squashed list might be inconsistent with regards to the parameter
numbers used by the query literal. To reduce the surprise factor, all
parameters are renumbered starting from 1 in that case.
Author: Sami Imseih <[email protected]>
Author: Dmitry Dolgov <[email protected]>
Reviewed-by: Michael Paquier <[email protected]>
Discussion: https://postgr.es/m/CAA5RZ0tRXoPG2y6bMgBCWNDt0Tn=unRerbzYM=oW0syi1=C1OA@mail.gmail.com
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There's no principled reason for query jumbling to only remove the first
layer of RelabelType and CoerceViaIO. Change it to see through as many
layers as there are.
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If vacuum fails to prune a tuple killed before OldestXmin, it will
decide to freeze its xmax and later error out in pre-freeze checks.
Add a test reproducing this scenario to the recovery suite which creates
a table on a primary, updates the table to generate dead tuples for
vacuum, and then, during the vacuum, uses a replica to force
GlobalVisState->maybe_needed on the primary to move backwards and
precede the value of OldestXmin set at the beginning of vacuuming the
table.
This test is coverage for a case fixed in 83c39a1f7f3. The test was
originally committed to master in aa607980aee but later reverted in
efcbb76efe4 due to test instability.
The test requires multiple index passes. In Postgres 17+, vacuum uses a
TID store for the dead TIDs that is very space efficient. With the old
minimum maintenance_work_mem of 1 MB, it required a large number of dead
rows to generate enough dead TIDs to force multiple index
vacuuming passes. Once the source code changes were made to allow a
minimum maintenance_work_mem value of 64kB, the test could be made much
faster and more stable.
Author: Melanie Plageman <[email protected]>
Reviewed-by: John Naylor <[email protected]>
Reviewed-by: Peter Geoghegan <[email protected]>
Discussion: https://postgr.es/m/CAAKRu_ZJBkidusDut6i%3DbDCiXzJEp93GC1%2BNFaZt4eqanYF3Kw%40mail.gmail.com
Backpatch-through: 17
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The link returns 404 and no replacement is available in the project
on Sourceforge where the content once was. Since we already link to
resources for both beginner and experienced docs hackers, remove the
the dead link.
Backpatch to all supported versions as the link was added in 8.1.
Author: Daniel Gustafsson <[email protected]>
Reviewed-by: Magnus Hagander <[email protected]>
Reviewed-by: Michael Paquier <[email protected]>
Reported-by: jian he <[email protected]>
Discussion: https://postgr.es/m/CACJufxH=YzQPDOe+2WuYZ7seD-BOyjCBmP6JiErpoSiVZWDRnw@mail.gmail.com
Backpatch-through: 13
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Virtual generated columns have some special checks in
CheckAttributeType(), mainly to check that domains are not used. But
this check was only applied during CREATE TABLE, not during ALTER
TABLE. This fixes that.
Reported-by: jian he <[email protected]>
Discussion: https://www.postgresql.org/message-id/CACJufxE0KHR__-h=zHXbhSNZXMMs4LYo4-dbj8H3YoStYBok1Q@mail.gmail.com
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Previously, the UUID functions documentation defined the "UUID" index entry
to link to the UUID data type page, even though that entry already exists there.
Instead, the UUID functions page should define its own index entry linking
to itself.
This commit updates the UUID index entry in the UUID functions documentation
to point to the correct section, improving navigation and avoiding duplication.
Back-patch to all supported versions.
Author: Fujii Masao <[email protected]>
Reviewed-by: Masahiko Sawada <[email protected]>
Reviewed-by: Daniel Gustafsson <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 13
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Remove the part of comment that says we don't allow toggling two_phase
option as that is supported in commit 1462aad2e4.
Author: Hayato Kuroda <[email protected]>
Author: Amit Kapila <[email protected]>
Discussion: https://postgr.es/m/OSCPR01MB1496656725F3951AEE8749EBDF579A@OSCPR01MB14966.jpnprd01.prod.outlook.com
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\close has been introduced in d55322b0da60 to be able to close a
prepared statement using the extended protocol in psql. Per discussion,
the name "close" is ambiguous. At the SQL level, CLOSE is used to close
a cursor. At protocol level, the close message can be used to either
close a statement or a portal.
This patch renames \close to \close_prepared to avoid any ambiguity and
make it clear that this is used to close a prepared statement. This new
name has been chosen based on the feedback from the author and the
reviewers.
Author: Anthonin Bonnefoy <[email protected]>
Reviewed-by: Peter Eisentraut <[email protected]>
Reviewed-by: Jelte Fennema-Nio <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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This new test was intended to check the handling of the replication slot's
restart lsn fixed in ca307d5cec90. However, it also reveals another issue
related to logical decoding. This commit temporarily removes this test to
keep the buildfarm and CFbot green and avoid distorting others' work. This
test will be restored once we investigate and fix the issue.
Discussion: https://postgr.es/m/CAAKRu_ZCOzQpEumLFgG_%2Biw3FTa%2BhJ4SRpxzaQBYxxM_ZAzWcA%40mail.gmail.com
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ca307d5cec90 introduced keeping WAL segments by slot's last saved restart LSN.
It also added an assertion that the slot's restart LSN never goes backward.
However, situations when the restart LSN goes backward have been spotted by
buildfarm animals and investigated in the thread.
When pg_receivewal starts the replication, it sets the last replayed LSN to
the beginning of the segment, which is older than what
ReplicationSlotReserveWal() set for the slot. A similar situation can happen
to pg_basebackup. When standby reconnects to the primary, it sends the last
replayed LSN, which might be older than the last confirmed flush LSN. In
both these situations, a concurrent checkpoint may trigger an assert trap.
Based on ideas from Vitaly Davydov <[email protected]>,
Hayato Kuroda (Fujitsu) <[email protected]>,
Vignesh C <[email protected]>,
Amit Kapila <[email protected]>.
Reported-by: Vignesh C <[email protected]>
Reported-by: Tom Lane <[email protected]>
Discussion: https://postgr.es/m/CALDaNm3s-jpQTe1MshsvQ8GO%3DTLj233JCdkQ7uZ6pwqRVpxAdw%40mail.gmail.com
Reviewed-by: Vignesh C <[email protected]>
Reviewed-by: Amit Kapila <[email protected]>
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Commit 43da39430 added a dependency on this intrinsic to our
AVX-512 CRC code. It turns out this intrinsic was added to
gcc later than the other ones we were using, so that there
are platforms where the new code fails to compile. Since only
relatively old (pre-gcc-10) compilers are affected, it doesn't
seem worth trying to make the AVX-512 CRC code actually work
on these platforms. Just add the new intrinsic to the configure
probe, so that we'll conclude the code can't be built.
Author: Tom Lane <[email protected]>
Reviewed-by: Nathan Bossart <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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The problem that led to the workaround in f83f14881c7 was not in fact
a compiler bug, but a failure to zero the upper bits of the vector
register containing the initial scalar CRC value. Fix that and revert
the workaround.
Diagnosed-by: Nathan Bossart <[email protected]>
Diagnosed-by: Raghuveer Devulapalli <[email protected]>
Tested-by: Andy Fan <[email protected]>
Tested-by: Soumyadeep Chakraborty <[email protected]>
Reviewed-by: Nathan Bossart <[email protected]>
Reviewed-by: Raghuveer Devulapalli <[email protected]>
Discussion: https://postgr.es/m/PH8PR11MB82866B07AA6758D12F699C00FB70A@PH8PR11MB8286.namprd11.prod.outlook.com
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WARNING: You should add the boolean check kwarg to the run_command call.
It currently defaults to false,
but it will default to true in meson 2.0.
Introduced by commit bc46104fc9a.
(This only happens in the msvc branch. All the other run_command
calls are ok.)
Reviewed-by: Andres Freund <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/42e13eb0-862a-441e-8d84-4f0fd5f6def0%40eisentraut.org
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Specify whether the bucket bounds are inclusive or exclusive,
and improve some other vague language. Explain the behavior that
occurs when the "low" bound is greater than the "high" bound.
Make width_bucket_numeric's comment more like that for
width_bucket_float8, in particular noting that infinite
bounds are rejected (since they became possible in v14).
Reported-by: Ben Peachey Higdon <[email protected]>
Author: Robert Treat <[email protected]>
Co-authored-by: Tom Lane <[email protected]>
Reviewed-by: Dean Rasheed <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 13
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Commit 85e5e222b, which added (a forerunner of) this logic,
argued that
Adding the necessary complexity to make this work doesn't seem like
it would be repaid in significantly better plans, because in cases
where such a PHV exists, there is probably a corresponding join order
constraint that would allow a good plan to be found without using the
star-schema exception.
The flaw in this claim is that there may be other join-order
restrictions that prevent us from finding a join order that doesn't
involve a "dangerous" PHV. In particular we now recognize that
small join_collapse_limit or from_collapse_limit could prevent it.
Therefore, let's bite the bullet and make the case work.
We don't have to extend the executor's support for nestloop parameters
as I thought at the time, because we can instead push the evaluation
of the placeholder's expression into the left-hand input of the
NestLoop node. So there's not really a lot of downside to this
solution, and giving the planner more join-order flexibility should
have value beyond just avoiding failure.
Having said that, there surely is a nonzero risk of introducing
new bugs. Since this failure mode escaped detection for ten years,
such cases don't seem common enough to justify a lot of risk.
Therefore, let's put this fix into master but leave the back branches
alone (for now anyway).
Bug: #18953
Reported-by: Alexander Lakhin <[email protected]>
Diagnosed-by: Richard Guo <[email protected]>
Author: Tom Lane <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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While choosing an autogenerated name for an index, look for
pre-existing relations using a SnapshotDirty snapshot, instead of the
previous behavior that considered only committed-good pg_class rows.
This allows us to detect and avoid conflicts against indexes that are
still being built.
It's still possible to fail due to a race condition, but the window
is now just the amount of time that it takes DefineIndex to validate
all its parameters, call smgrcreate(), and enter the index's pg_class
row. Formerly the race window covered the entire time needed to
create and fill an index, which could be very long if the table is
large. Worse, if the conflicting index creation is part of a larger
transaction, it wouldn't be visible till COMMIT.
So this isn't a complete solution, but it should greatly ameliorate
the problem, and the patch is simple enough to be back-patchable.
It might at some point be useful to do the same for pg_constraint
entries (cf. ChooseConstraintName, ConstraintNameExists, and related
functions). However, in the absence of field complaints, I'll leave
that alone for now. The relation-name test should be good enough for
index-based constraints, while foreign-key constraints seem to be okay
since they require exclusive locks to create.
Bug: #18959
Reported-by: Maximilian Chrzan <[email protected]>
Author: Tom Lane <[email protected]>
Reviewed-by: Dilip Kumar <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 13
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We never create regress.def, and if we did this code would fail to
delete it, because "win" is not the correct PORTNAME for Windows.
This thinko seems to have originated in commit 7a6b562fd from 1999,
although it got moved around multiple times since then.
Author: Christoph Berg <[email protected]>
Reviewed-by: Tom Lane <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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The TAP tests that verify logical and physical replication slot behavior
during checkpoints (046_checkpoint_logical_slot.pl and
047_checkpoint_physical_slot.pl) inserted two batches of 2 million rows each,
generating approximately 520 MB of WAL. On slow machines, or when compiled
with '-DRELCACHE_FORCE_RELEASE -DCATCACHE_FORCE_RELEASE', this caused the
tests to run for 8-9 minutes and occasionally time out, as seen on the
buildfarm animal prion.
This commit modifies the mentioned tests to utilize the $node->advance_wal()
function, thereby reducing runtime. Once we do not use the generated data,
the proposed function is a good alternative, which cuts the total wall-clock
run time.
While here, remove superfluous '\n' characters from several note() calls;
these appeared literally in the build-farm logs and looked odd. Also, remove
excessive 'shared_preload_libraries' GUC from the config and add a check for
'injection_points' extension availability.
Reported-by: Alexander Lakhin <[email protected]>
Reported-by: Tom Lane <[email protected]>
Author: Alexander Korotkov <[email protected]>
Author: Vitaly Davydov <[email protected]>
Reviewed-by: Hayato Kuroda <[email protected]>
Discussion: https://postgr.es/m/fbc5d94e-6fbd-4a64-85d4-c9e284a58eb2%40gmail.com
Backpatch-through: 17
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In version 17 we added support for cross-partition EXCLUDE
constraints, as long as they included all partition key columns and
compared them with equality (see 8c852ba9a4). I updated the docs for
exclusion constraints, but I missed that the docs for CREATE TABLE
still said that they were not supported. This commit fixes that.
Author: Paul A. Jungwirth <[email protected]>
Co-authored-by: Jeff Davis <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 17
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to be used for PG 18 release notes
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Increase consistency of --help and man page synopses between pg_dump
and pg_dumpall. These should now be very similar, as pg_dumpall can
now also produce non-text dump output. But actually, they had drifted
further apart.
- Use verb "export" consistently, instead of "dump" or "extract".
- Use "SQL script" instead of just "script" or "text file".
- Maintain consistent distinction between SQL script and other
formats/archives (which is relevant for pg_restore).
Reviewed-by: Robert Treat <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/3f71d8a7-095b-4829-9b0b-fce09e9866b3%40eisentraut.org
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Improve the clarity of LOG messages when a failover logical slot
synchronization fails, making the reasons more explicit for easier
debugging.
Update the documentation to outline scenarios where slot synchronization
can fail, especially during the initial sync, and emphasize that
pg_sync_replication_slot() is primarily intended for testing and
debugging purposes.
We also discussed improving the functionality of
pg_sync_replication_slot() so that it can be used reliably, but we would
take up that work for next version after some more discussion and review.
Reported-by: Suraj Kharage <[email protected]>
Author: shveta malik <[email protected]>
Reviewed-by: Zhijie Hou <[email protected]>
Reviewed-by: Peter Smith <[email protected]>
Reviewed-by: Amit Kapila <[email protected]>
Backpatch-through: 17, where it was introduced
Discussion: https://postgr.es/m/CAF1DzPWTcg+m+x+oVVB=y4q9=PYYsL_mujVp7uJr-_oUtWNGbA@mail.gmail.com
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Commit 8492feb98f6 added support for parallel CREATE INDEX on GIN indexes.
However, previously two places in the documentation and two in the source
code comments still stated that only B-tree and BRIN indexes support
parallel builds.
This commit updates those references to correctly include GIN indexes.
Author: Fujii Masao <[email protected]>
Reviewed-by: Robert Treat <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Commit 302cf157592 added support for LIKE in CREATE FOREIGN TABLE.
In this feature, since indexes are not created for foreign tables,
comments on indexes are not copied either.
However, the documentation incorrectly stated that index comments
would be copied when using INCLUDING COMMENTS. This commit
corrects that by removing the mention of index comments.
Author: Fujii Masao <[email protected]>
Reviewed-by: Michael Paquier <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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