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The errormessage for an incorrect require_auth method wasn't using the
common "invalid %s value" errormessage which lessens the burden on our
translators. Fix by changing to that format to make use of existing
translations and to make error messages consistent in wording.
Reported and fixed by Gurjeet Singh with some tweaking by myself.
Author: Gurjeet Singh <[email protected]>
Discussion: https://postgr.es/m/CABwTF4Xu3g9zohJ9obu8m7MKbf8g63NgpRDjwqPHQgAtB+Gb8Q@mail.gmail.com
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Author: Alexander Lakhin
Discussion: https://postgr.es/m/[email protected]
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a9c70b46 added the statistics view pg_stat_io which contained columns
"io_context" and "io_object". Given that the columns are in the
pg_stat_io view, the "io" prefix is somewhat redundant, so remove it.
The code variables referring to these fields are kept unchanged so as
they can keep their context about I/O.
Bump catalog version.
Author: Melanie Plageman
Reviewed-by: Kyotaro Horiguchi, Fabrízio de Royes Mello
Discussion: https://postgr.es/m/CAAKRu_aAQoJWrvT2BYYQvJChFKra_O-5ra3jhzKJZqWsTR1CPQ@mail.gmail.com
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The error message for a missing or invalid system CA when using
sslrootcert=system differs based on the OpenSSL version used.
In OpenSSL 1.0.1-3.0 it is reported as SSL Error, with varying
degrees of helpfulness in the error message. With OpenSSL 3.1 it
is reported as an SSL SYSCALL error with "Undefined error" as
the error message. This fix pulls out the particular error in
OpenSSL 3.1 as a certificate verify error in order to help the
user better figure out what happened, and to keep the ssl test
working. While there is no evidence that extracing the errors
will clobber errno, this adds a guard against that regardless
to also make the consistent with how we handle OpenSSL errors
elsewhere. It also memorizes the output from OpenSSL 3.0 in
the test in cases where the system CA isn't responding.
Reported-by: Peter Eisentraut <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Author: Alexander Lakhin
Discussion: https://postgr.es/m/[email protected]
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Utils.pm has a BEGIN block that editorializes on the locale-related
environment variables, primarily in order to stabilize the behavior
of child programs. It turns out that if the calling test script
has already done "use locale", this fails to affect the behavior
of Perl itself, causing locale behavior to be different between
Perl and child programs. That breaks commit cd82e5c79's attempt
to deal with locale-specific behavior in psql.
To fix, we just need to call setlocale() to redo the calculation
of locale.
Per report from Aleksander Alekseev. No back-patch for now, since
there are no locale-dependent TAP tests in prior branches, and
I'm not yet convinced that this won't have side-effects of its own.
Discussion: https://postgr.es/m/CAJ7c6TO9KpYYxoVVseWEQB5KtjWDkt8NfyAeKPcHoe2Jq+ykpw@mail.gmail.com
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Author: Justin Pryzby
Reviewed-by: David Rowley
Discussion: https://postgr.es/m/[email protected]
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This fixes many spelling mistakes in comments, but a few references to
invalid parameter names, function names and option names too in comments
and also some in string constants
Also, fix an #undef that was undefining the incorrect definition
Author: Alexander Lakhin
Reviewed-by: Justin Pryzby
Discussion: https://postgr.es/m/[email protected]
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The finalfunc might return a read-write expanded object. If we
de-duplicate multiple call sites for the aggregate, any function(s)
receiving the aggregate result earlier could alter or destroy the
value that reaches the ones called later. This is a brown-paper-bag
bug in commit 42b746d4c, because we actually considered the need
for read-only-ness but failed to realize that it applied to the case
with a finalfunc as well as the case without.
Per report from Justin Pryzby. New error in HEAD,
no need for back-patch.
Discussion: https://postgr.es/m/[email protected]
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Commit 3e310d837 taught isAssignmentIndirectionExpr() to look through
CoerceToDomain nodes. That's not sufficient, because since commit
04fe805a1 it's been possible for the planner to simplify
CoerceToDomain to RelabelType when the domain has no constraints
to enforce. So we need to look through RelabelType too.
Per bug #17897 from Alexander Lakhin. Although 3e310d837 was
back-patched to v11, it seems sufficient to apply this change
to v12 and later, since 04fe805a1 came in in v12.
Dmitry Dolgov
Discussion: https://postgr.es/m/[email protected]
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For some reason I had not implemented RBM_ZERO_AND_CLEANUP_LOCK support in
ExtendBufferedRelTo(), likely thinking it not being reachable. But it is
reachable, e.g. when replaying a WAL record for a page in a relation that
subsequently is truncated (likely only reachable when doing crash recovery or
PITR, not during ongoing streaming replication).
As now all of the RBM_* modes are supported, remove assertions checking mode.
As we had no test coverage for this scenario, add a new TAP test. There's
plenty more that ought to be tested in this area...
Reported-by: Tom Lane <[email protected]>
Reported-by: Alexander Lakhin <[email protected]>
Reviewed-by: Alexander Lakhin <[email protected]>
Discussion: https://postgr.es/m/392271.1681238924%40sss.pgh.pa.us
Discussion: https://postgr.es/m/[email protected]
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The partition pruning logic assumed that "b IS NOT true" was exactly the
same as "b IS FALSE". This is not the case when considering NULL values.
Fix this so we correctly include any partition which could hold NULL
values for the NOT case.
Additionally, this fixes a bug in the partition pruning code which handles
partitioned tables partitioned like ((NOT boolcol)). This is a seemingly
unlikely schema design, and it was untested and also broken.
Here we add tests for the ((NOT boolcol)) case and insert some actual data
into those tables and verify we do get the correct rows back when running
queries. I've also adjusted the existing boolpart tests to include some
data and verify we get the correct results too.
Both the bugs being fixed here could lead to incorrect query results with
fewer rows being returned than expected. No additional rows could have
been returned accidentally.
In passing, remove needless ternary expression. It's more simple just to
pass !is_not_clause to makeBoolConst(). It makes sense to do this so the
code is consistent with the bug fix in the "else if" condition just below.
David Kimura did submit a patch to fix the first of the issues here, but
that's not what's being committed here.
Reported-by: David Kimura
Reviewed-by: Richard Guo, David Kimura
Discussion: https://postgr.es/m/CAHnPFjQ5qxs6J_p+g8=ww7GQvfn71_JE+Tygj0S7RdRci1uwPw@mail.gmail.com
Backpatch-through: 11, all supported versions
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Hash join tuples reuse the HOT status bit to indicate match status
during hash join execution. Correct reuse requires clearing the bit in
all tuples. Serial hash join and parallel multi-batch hash join do so
upon inserting the tuple into the hashtable. Single batch parallel hash
join and batch 0 of unexpected multi-batch hash joins forgot to do this.
It hadn't come up before because hashtable tuple match bits are only
used for right and full outer joins and parallel ROJ and FOJ were
unsupported. 11c2d6fdf5 introduced support for parallel ROJ/FOJ but
neglected to ensure the match bits were reset.
Author: Melanie Plageman <[email protected]>
Reported-by: Richard Guo <[email protected]>
Discussion: https://postgr.es/m/flat/CAMbWs48Nde1Mv%3DBJv6_vXmRKHMuHZm2Q_g4F6Z3_pn%2B3EV6BGQ%40mail.gmail.com
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Make sure that function declarations use names that exactly match the
corresponding names from function definitions in a few places. These
inconsistencies were all introduced relatively recently, after the code
base had parameter name mismatches fixed in bulk (see commits starting
with commits 4274dc22 and 035ce1fe).
pg_bsd_indent still has a couple of similar inconsistencies, which I
(pgeoghegan) have left untouched for now.
Like all earlier commits that cleaned up function parameter names, this
commit was written with help from clang-tidy.
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This reverts commit 3d03b24c3 (Revert Add support for Kerberos
credential delegation) which was committed on the grounds of concern
about portability, but on further review and discussion, it's clear that
we are better off explicitly requiring MIT Kerberos as that appears to
be the only GSSAPI library currently that's under proper maintenance
and ongoing development. The API used for storing credentials was added
to MIT Kerberos over a decade ago while for the other libraries which
appear to be mainly based on Heimdal, which exists explicitly to be a
re-implementation of MIT Kerberos, the API never made it to a released
version (even though it was added to the Heimdal git repo over 5 years
ago..).
This post-feature-freeze change was approved by the RMT.
Discussion: https://postgr.es/m/ZDDO6jaESKaBgej0%40tamriel.snowman.net
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The test previously had a list of OSes that direct I/O was expected to
work on. That worked well enough for the systems in our build farm, but
didn't survive contact with the Debian build bots running on tmpfs via
overlayfs. tmpfs does not support O_DIRECT, but we don't want to
exclude Linux generally.
The new approach is to try to create an empty file with O_DIRECT from
Perl first. If that fails, we'll skip the test and report what the
error was.
Reported-by: Christoph Berg <[email protected]>
Reviewed-by: Dagfinn Ilmari Mannsåker <[email protected]>
Reviewed-by: Andrew Dunstan <[email protected]>
Discussion: https://postgr.es/m/ZDYd4A78cT2ULxZZ%40msg.df7cb.de
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Author: Kyotaro Horiguchi <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/[email protected]
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This reverts commit e056c557aef4 and minor later fixes thereof.
There's a few problems in this new feature -- most notably regarding
pg_upgrade behavior, but others as well. This new feature is not in any
way critical on its own, so instead of scrambling to fix it we revert it
and try again in early 17 with these issues in mind.
Discussion: https://postgr.es/m/[email protected]
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At least one slow buildfarm system (hoverfly) showed that the database
creation was not replicated before we try to create logical replication slots
on the standby, in that database.
Reported-by: Noah Misch <[email protected]>
Author: "Drouvot, Bertrand" <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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There's no need to check if opt->arg is NULL since defGetString() already
does that and raises an ERROR if it is. Let's just remove that check.
Also, combine the two remaining ERRORs into a single check. It seems
better to give an indication about what sort of values we're looking for
rather than just to state that the value given isn't valid. Make
BUFFER_USAGE_LIMIT uppercase in this ERROR message too. It's already
upper case in one other error message, so make that consistent.
Reported-by: Kyotaro Horiguchi
Discussion: https://postgr.es/m/[email protected]
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Checking for the required versions of IO::Pty as well as IPC::Run
can be achieved with a single eval call, and by using the VERSION
function the comparison is guaranteed to follow the same rules as
calling 'use' on the module with a version.
Reported-by: Andrew Dunstan <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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The new direct I/O test deliberately uses a very small shared_buffers to
force some disk transfers without making the data set large and slow,
but ran into a problem with wal_level = minimal: log_newpage_range()
pins many buffers, leading to a few intermittent "no unpinned buffers
available" errors.
We could presumably fix that by adjusting shared_buffers, but crake
seems to be trying to tell us something interesting with these settings,
so let's just avoid wal_level = minimal in this test for now.
Reported-by: Andres Freund <[email protected]>
Discussion: https://postgr.es/m/20230408060408.n7xdwk3mxj5oykt6%40awork3.anarazel.de
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Our convention for some time has been that successful tests shouldn't
print anything on stderr. A stray "diag" call violated that, and
for that matter messed up the normal TAP progress display.
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IPC::Run versions prior to 0.98 cause the interactive session to time out,
so SKIP the test in case these versions are detected (they are within the
base requirement for our TAP tests in general). Error reported by the BF
and investigation by Tom Lane.
Discussion: https://postgr.es/m/[email protected]
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This reverts commit 3d4fa227bce4294ce1cc214b4a9d3b7caa3f0454.
Per discussion and buildfarm, this depends on APIs that seem to not
be available on at least one platform (NetBSD). Should be certainly
possible to rework to be optional on that platform if necessary but bit
late for that at this point.
Discussion: https://postgr.es/m/[email protected]
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Previously, a PostgreSQL-specific callback checked by the regex engine
had a way to trigger a special error code REG_CANCEL if it detected that
the next call to CHECK_FOR_INTERRUPTS() would certainly throw via
ereport().
A later proposed bugfix aims to move some complex logic out of signal
handlers, so that it won't run until the next CHECK_FOR_INTERRUPTS(),
which makes the above design impossible unless we split
CHECK_FOR_INTERRUPTS() into two phases, one to run logic and another to
ereport(). We may develop such a system in the future, but for the
regex code it is no longer necessary.
An earlier commit moved regex memory management over to our
MemoryContext system. Given that the purpose of the two-phase interrupt
checking was to free memory before throwing, something we don't need to
worry about anymore, it seems simpler to inject CHECK_FOR_INTERRUPTS()
directly into cancelation points, and just let it throw.
Since the plan is to keep PostgreSQL-specific concerns separate from the
main regex engine code (with a view to bein able to stay in sync with
other projects), do this with a new macro INTERRUPT(), customizable in
regcustom.h and defaulting to nothing.
Reviewed-by: Tom Lane <[email protected]>
Discussion: https://postgr.es/m/CA%2BhUKGK3PGKwcKqzoosamn36YW-fsuTdOPPF1i_rtEO%3DnEYKSg%40mail.gmail.com
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Author: "Drouvot, Bertrand" <[email protected]>
Author: Amit Khandekar <[email protected]>
Author: Craig Ringer <[email protected]> (in an older version)
Author: Andres Freund <[email protected]>
Reviewed-by: "Drouvot, Bertrand" <[email protected]>
Reviewed-by: Andres Freund <[email protected]>
Reviewed-by: Robert Haas <[email protected]>
Reviewed-by: Amit Kapila <[email protected]>
Reviewed-by: Fabrízio de Royes Mello <[email protected]>
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During WAL replay on the standby, when a conflict with a logical slot is
identified, invalidate such slots. There are two sources of conflicts:
1) Using the information added in 6af1793954e, logical slots are invalidated if
required rows are removed
2) wal_level on the primary server is reduced to below logical
Uses the infrastructure introduced in the prior commit. FIXME: add commit
reference.
Change InvalidatePossiblyObsoleteSlot() to use a recovery conflict to
interrupt use of a slot, if called in the startup process. The new recovery
conflict is added to pg_stat_database_conflicts, as confl_active_logicalslot.
See 6af1793954e for an overall design of logical decoding on a standby.
Bumps catversion for the addition of the pg_stat_database_conflicts column.
Bumps PGSTAT_FILE_FORMAT_ID for the same reason.
Author: "Drouvot, Bertrand" <[email protected]>
Author: Andres Freund <[email protected]>
Author: Amit Khandekar <[email protected]> (in an older version)
Reviewed-by: "Drouvot, Bertrand" <[email protected]>
Reviewed-by: Andres Freund <[email protected]>
Reviewed-by: Robert Haas <[email protected]>
Reviewed-by: Fabrízio de Royes Mello <[email protected]>
Reviewed-by: Bharath Rupireddy <[email protected]>
Reviewed-by: Amit Kapila <[email protected]>
Reviewed-by: Alvaro Herrera <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Needed for logical decoding on a standby. Slots need to be invalidated because
of the horizon if rows required for logical decoding are removed. If the
primary's wal_level is lowered from 'logical', logical slots on the standby
need to be invalidated.
The new invalidation methods will be used in a subsequent commit.
Logical slots that have been invalidated can be identified via the new
pg_replication_slots.conflicting column.
See 6af1793954e for an overall design of logical decoding on a standby.
Bumps catversion for the addition of the new pg_replication_slots column.
Author: "Drouvot, Bertrand" <[email protected]>
Author: Andres Freund <[email protected]>
Author: Amit Khandekar <[email protected]> (in an older version)
Reviewed-by: "Drouvot, Bertrand" <[email protected]>
Reviewed-by: Andres Freund <[email protected]>
Reviewed-by: Robert Haas <[email protected]>
Reviewed-by: Fabrízio de Royes Mello <[email protected]>
Reviewed-by: Bharath Rupireddy <[email protected]>
Reviewed-by: Amit Kapila <[email protected]>
Reviewed-by: Melanie Plageman <[email protected]>
Reviewed-by: Alvaro Herrera <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Introduced in e056c557aef4.
Per buildfarm member prion.
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Provide a way to ask the kernel to use O_DIRECT (or local equivalent)
where available for data and WAL files, to avoid or minimize kernel
caching. This hurts performance currently and is not intended for end
users yet. Later proposed work would introduce our own I/O clustering,
read-ahead, etc to replace the facilities the kernel disables with this
option.
The only user-visible change, if the developer-only GUC is not used, is
that this commit also removes the obscure logic that would activate
O_DIRECT for the WAL when wal_sync_method=open_[data]sync and
wal_level=minimal (which also requires max_wal_senders=0). Those are
non-default and unlikely settings, and this behavior wasn't (correctly)
documented. The same effect can be achieved with io_direct=wal.
Author: Thomas Munro <[email protected]>
Author: Andres Freund <[email protected]>
Author: Bharath Rupireddy <[email protected]>
Reviewed-by: Justin Pryzby <[email protected]>
Reviewed-by: Bharath Rupireddy <[email protected]>
Discussion: https://postgr.es/m/CA%2BhUKGK1X532hYqJ_MzFWt0n1zt8trz980D79WbjwnT-yYLZpg%40mail.gmail.com
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Support GSSAPI/Kerberos credentials being delegated to the server by a
client. With this, a user authenticating to PostgreSQL using Kerberos
(GSSAPI) credentials can choose to delegate their credentials to the
PostgreSQL server (which can choose to accept them, or not), allowing
the server to then use those delegated credentials to connect to
another service, such as with postgres_fdw or dblink or theoretically
any other service which is able to be authenticated using Kerberos.
Both postgres_fdw and dblink are changed to allow non-superuser
password-less connections but only when GSSAPI credentials have been
delegated to the server by the client and GSSAPI is used to
authenticate to the remote system.
Authors: Stephen Frost, Peifeng Qiu
Reviewed-By: David Christensen
Discussion: https://postgr.es/m/CO1PR05MB8023CC2CB575E0FAAD7DF4F8A8E29@CO1PR05MB8023.namprd05.prod.outlook.com
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a9c70b46dbe and 8aaa04b32S added counting of IO operations to a new view,
pg_stat_io. Now, add IO timing for reads, writes, extends, and fsyncs to
pg_stat_io as well.
This combines the tracking for pgBufferUsage with the tracking for pg_stat_io
into a new function pgstat_count_io_op_time(). This should make it a bit
easier to avoid the somewhat costly instr_time conversion done for
pgBufferUsage.
Author: Melanie Plageman <[email protected]>
Reviewed-by: Andres Freund <[email protected]>
Reviewed-by: Bertrand Drouvot <[email protected]>
Discussion: https://postgr.es/m/flat/CAAKRu_ay5iKmnbXZ3DsauViF3eMxu4m1oNnJXqV_HyqYeg55Ww%40mail.gmail.com
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Similar to 8dff2f224, this disables DNS lookups by the Kerberos library
to look up the KDC and the realm while the Kerberos tests are running.
In some environments, these lookups can take a long time and end up
timing out and causing tests to fail. Further, since this isn't really
our domain, we shouldn't be sending out these DNS requests during our
tests.
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A few buildfarm animals recently started complaining about the "child"
relation already existing. e056c557aef added a new child table to inherit.sql,
but triggers.sql, running in the same parallel group, also uses a child table.
Rename the new table to inh_child. It maybe worth renaming child, parent in
other tests as well, but that's work for another day.
Discussion: https://postgr.es/m/[email protected]
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A version of this test was included in the original patch for altering
SCRAM iteration count, but was omitted due to how interactive psql TAP
sessions worked before being refactored.
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/[email protected]
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This breaks out the background and interactive psql functionality into a
new class, PostgreSQL::Test::BackgroundPsql. Sessions are still initiated
via PostgreSQL::Test::Cluster, but once started they can be manipulated by
the new helper functions which intend to make querying easier. A sample
session for a command which can be expected to finish at a later time can
be seen below.
my $session = $node->background_psql('postgres');
$bsession->query_until(qr/start/, q(
\echo start
CREATE INDEX CONCURRENTLY idx ON t(a);
));
$bsession->quit;
Patch by Andres Freund with some additional hacking by me.
Author: Andres Freund <[email protected]>
Reviewed-by: Andrew Dunstan <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Fail in e056c557aef4.
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We now create pg_constaint rows for NOT NULL constraints with
contype='n'.
We propagate these constraints during operations such as adding
inheritance relationships, creating and attaching partitions, creating
tables LIKE other tables. We mostly follow the well-known rules of
conislocal and coninhcount that we have for CHECK constraints, with some
adaptations; for example, as opposed to CHECK constraints, we don't
match NOT NULL ones by name when descending a hierarchy to alter it;
instead we match by column number. This means we don't require the
constraint names to be identical across a hierarchy.
For now, we omit them from system catalogs. Maybe this is worth
reconsidering. We don't support NOT VALID nor DEFERRABLE clauses
either; these can be added as separate features later (this patch is
already large and complicated enough.)
This has been very long in the making. The first patch was written by
Bernd Helmle in 2010 to add a new pg_constraint.contype value ('n'),
which I (Álvaro) then hijacked in 2011 and 2012, until that one was
killed by the realization that we ought to use contype='c' instead:
manufactured CHECK constraints. However, later SQL standard
development, as well as nonobvious emergent properties of that design
(mostly, failure to distinguish them from "normal" CHECK constraints as
well as the performance implication of having to test the CHECK
expression) led us to reconsider this choice, so now the current
implementation uses contype='n' again.
In 2016 Vitaly Burovoy also worked on this feature[1] but found no
consensus for his proposed approach, which was claimed to be closer to
the letter of the standard, requiring additional pg_attribute columns to
track the OID of the NOT NULL constraint for that column.
[1] https://postgr.es/m/CAKOSWNkN6HSyatuys8xZxzRCR-KL1OkHS5-b9qd9bf1Rad3PLA@mail.gmail.com
Author: Álvaro Herrera <[email protected]>
Author: Bernd Helmle <[email protected]>
Reviewed-by: Justin Pryzby <[email protected]>
Reviewed-by: Peter Eisentraut <[email protected]>
Discussion: https://postgr.es/m/CACA0E642A0267EDA387AF2B%40%5B172.26.14.62%5D
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/CAKOSWNkN6HSyatuys8xZxzRCR-KL1OkHS5-b9qd9bf1Rad3PLA@mail.gmail.com
Discussion: https://postgr.es/m/[email protected]
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These are useful in Monte Carlo applications.
Martin Kalcher, reviewed/adjusted by Daniel Gustafsson and myself
Discussion: https://postgr.es/m/[email protected]
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1cbbee033 added BUFFER_USAGE_LIMIT to the VACUUM and ANALYZE commands, so
here we permit that option to be specified in vacuumdb.
In passing, adjust the documents for vacuum_buffer_usage_limit and the
BUFFER_USAGE_LIMIT VACUUM option to mention "kB" rather than "KB". Do the
same for the ERROR message in ExecVacuum() and
check_vacuum_buffer_usage_limit(). Without that we might tell a user that
the valid minimum value is 128 KB only to reject that because we accept
only "kB" and not "KB".
Also, add a small reminder comment in vacuum.h to try to trigger the
memory of anyone adding new fields to VacuumParams that they might want to
consider if vacuumdb needs to grow a new option too.
Author: Melanie Plageman
Reviewed-by: Justin Pryzby
Reviewed-by: David Rowley
Discussion: https://postgr.es/m/[email protected]
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Add new options to the VACUUM and ANALYZE commands called
BUFFER_USAGE_LIMIT to allow users more control over how large to make the
buffer access strategy that is used to limit the usage of buffers in
shared buffers. Larger rings can allow VACUUM to run more quickly but
have the drawback of VACUUM possibly evicting more buffers from shared
buffers that might be useful for other queries running on the database.
Here we also add a new GUC named vacuum_buffer_usage_limit which controls
how large to make the access strategy when it's not specified in the
VACUUM/ANALYZE command. This defaults to 256KB, which is the same size as
the access strategy was prior to this change. This setting also
controls how large to make the buffer access strategy for autovacuum.
Per idea by Andres Freund.
Author: Melanie Plageman
Reviewed-by: David Rowley
Reviewed-by: Andres Freund
Reviewed-by: Justin Pryzby
Reviewed-by: Bharath Rupireddy
Discussion: https://postgr.es/m/[email protected]
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The tests added by commits 029dea882 et al turn out to produce
different output under -DRANDOMIZE_ALLOCATED_MEMORY. This is
not a bug exactly: that flag causes coerce_type() to invoke
the input function twice when coercing an unknown-type literal
to a specific type. So you get tsqueryin's bleat about an empty
tsquery twice. Revise the test query to avoid that.
Discussion: https://postgr.es/m/[email protected]
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tsquery's GETQUERY() macro is only safe to apply to a tsquery
that is known non-empty; otherwise it gives a pointer to garbage.
Before commit 5a617d75d, ts_headline() avoided this pitfall, but
only in a very indirect, nonobvious way. (hlCover could not reach
its TS_execute call, because if the query contains no lexemes
then hlFirstIndex would surely return -1.) After that commit,
it fell into the trap, resulting in weird errors such as
"unrecognized operator" and/or valgrind complaints. In HEAD,
fix this by not calling TS_execute_locations() at all for an
empty query. In the back branches, add a defensive check to
hlCover() --- that's not fixing any live bug, but I judge the
code a bit too fragile as-is.
Also, both mark_hl_fragments() and mark_hl_words() were careless
about the possibility of empty search text: in the cases where
no match has been found, they'd end up telling mark_fragment() to
mark from word indexes 0 to 0 inclusive, even when there is no
word 0. This is harmless since we over-allocated the prs->words
array, but it does annoy valgrind. Fix so that the end index is -1
and thus mark_fragment() will do nothing in such cases.
Bottom line is that this fixes a live bug in HEAD, but in the
back branches it's only getting rid of a valgrind nitpick.
Back-patch anyway.
Per report from Alexander Lakhin.
Discussion: https://postgr.es/m/[email protected]
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\watch can now be told to stop after N executions of the query.
With the idea that we might want to add more options to \watch
in future, this patch generalizes the command's syntax to a list
of name=value options, with the interval allowed to omit the name
for backwards compatibility.
Andrey Borodin, reviewed by Kyotaro Horiguchi, Nathan Bossart,
Michael Paquier, Yugo Nagata, and myself
Discussion: https://postgr.es/m/CAAhFRxiZ2-n_L1ErMm9AZjgmUK=qS6VHb+0SaMn8sqqbhF7How@mail.gmail.com
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This adds a new option to libpq's sslrootcert, "system", which will load
the system trusted CA roots for certificate verification. This is a more
convenient way to achieve this than pointing to the system CA roots
manually since the location can differ by installation and be locally
adjusted by env vars in OpenSSL.
When sslrootcert is set to system, sslmode is forced to be verify-full
as weaker modes aren't providing much security for public CAs.
Changing the location of the system roots by setting environment vars is
not supported by LibreSSL so the tests will use a heuristic to determine
if the system being tested is LibreSSL or OpenSSL.
The workaround in .cirrus.yml is required to handle a strange interaction
between homebrew and the openssl@3 formula; hopefully this can be removed
in the near future.
The original patch was written by Thomas Habets, which was later revived
by Jacob Champion.
Author: Jacob Champion <[email protected]>
Author: Thomas Habets <[email protected]>
Reviewed-by: Jelte Fennema <[email protected]>
Reviewed-by: Andrew Dunstan <[email protected]>
Reviewed-by: Magnus Hagander <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/CA%2BkHd%2BcJwCUxVb-Gj_0ptr3_KZPwi3%2B67vK6HnLFBK9MzuYrLA%40mail.gmail.com
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Merge and hash joins can support antijoin with the non-nullable input
on the right, using very simple combinations of their existing logic
for right join and anti join. This gives the planner more freedom
about how to order the join. It's particularly useful for hash join,
since we may now have the option to hash the smaller table instead
of the larger.
Richard Guo, reviewed by Ronan Dunklau and myself
Discussion: https://postgr.es/m/CAMbWs48xh9hMzXzSy3VaPzGAz+fkxXXTUbCLohX1_L8THFRm2Q@mail.gmail.com
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In v13 and v14, the ENABLE/DISABLE TRIGGER USER variant malfunctioned
on cloned triggers, failing to find the clones because it thought they
were system triggers. Other variants of ENABLE/DISABLE TRIGGER would
improperly apply a superuserness check. Fix by adjusting the is-it-
a-system-trigger check to match reality in those branches. (As far
as I can find, this is the only place that got it wrong.)
There's no such bug in v15/HEAD, because we revised the catalog
representation of system triggers to be what this code was expecting.
However, add the test case to these branches anyway, because this area
is visibly pretty fragile. Also remove an obsoleted comment.
The recent v15/HEAD commit 6949b921d fixed a nearby bug. I now see
that my commit message for that was inaccurate: the behavior of
recursing to clone triggers is older than v15, but it didn't apply
to the case in v13/v14 because in those branches parent partitioned
tables have no pg_trigger entries for foreign-key triggers. But add
the test case from that commit to v13/v14, just to show what is
happening there.
Per bug #17886 from DzmitryH.
Discussion: https://postgr.es/m/[email protected]
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Convert to BCP47 language tags before storing in the catalog, except
during binary upgrade or when the locale comes from an existing
collation or template database.
The resulting language tags can vary slightly between ICU
versions. For instance, "@colBackwards=yes" is converted to
"und-u-kb-true" in older versions of ICU, and to the simpler (but
equivalent) "und-u-kb" in newer versions.
The process of canonicalizing to a language tag also understands more
input locale string formats than ucol_open(). For instance,
"fr_CA.UTF-8" is misinterpreted by ucol_open() and the region is
ignored; effectively treating it the same as the locale "fr" and
opening the wrong collator. Canonicalization properly interprets the
language and region, resulting in the language tag "fr-CA", which can
then be understood by ucol_open().
This commit fixes a problem in prior versions due to ucol_open()
misinterpreting locale strings as described above. For instance,
creating an ICU collation with locale "fr_CA.UTF-8" would store that
string directly in the catalog, which would later be passed to (and
misinterpreted by) ucol_open(). After this commit, the locale string
will be canonicalized to language tag "fr-CA" in the catalog, which
will be properly understood by ucol_open(). Because this fix affects
the resulting collator, we cannot change the locale string stored in
the catalog for existing databases or collations; otherwise we'd risk
corrupting indexes. Therefore, only canonicalize locales for
newly-created (not upgraded) collations/databases. For similar
reasons, do not backport.
Discussion: https://postgr.es/m/[email protected]
Reviewed-by: Peter Eisentraut
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