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Back-patch to 9.4 where user_catalog_table was added.
Review by Michael Paquier
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The link to the NIST web page about DES standards leads to nowhere, and
according to archive.org has been forwarded to an unrelated page for
many years. Therefore, just remove that link. More up to date
information can be found via Wikipedia, for example.
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Back-patch to all supported branches.
Per bug #11335 from Haruka Takatsuka
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The syntax summary previously failed to clarify that the first
argument is also optional. The textual description did mention it,
but all the way at the bottom. It fits better with the command
overview, so move it there, and fix the summary also.
Back-patch to 9.4 where \pset without arguments was supported.
Dilip Kumar, reviewed by Fabien Coelho
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Report by Peter Eisentraut
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Report by Tomáš Greif
Backpatch through 9.4
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Andres Freund
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The regression tests for contrib/test_decoding regularly failed on
postgres instances that were very slow. Either because the hardware
itself was slow or because very expensive debugging options like
CLOBBER_CACHE_ALWAYS were used.
The reason they failed was just that some additional transactions were
decoded. Analyze and vacuum, triggered by autovac.
To fix just add a option to test_decoding to only display transactions
in which a change was actually displayed. That's not pretty because it
removes information from the tests; but better than constantly failing
tests in very likely harmless ways.
Backpatch to 9.4 where logical decoding was introduced.
Discussion: 20140629142511.GA26930@awork2.anarazel.de
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68a2e52bbaf98f136 has introduced LWLockAcquireCommon() containing the
previous contents of LWLockAcquire() plus added functionality. The
latter then calls it, just like LWLockAcquireWithVar(). Because the
majority of callers don't need the added functionality, declare the
common code as inline. The compiler then can optimize away the unused
code. Doing so is also useful when looking at profiles, to
differentiate the users.
Backpatch to 9.4, the first branch to contain LWLockAcquireCommon().
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Errors detected using Topy (https://github.com/intgr/topy), all
changes verified by hand and some manual tweaks added.
Marti Raudsepp
Individual changes backpatched, where applicable, as far as 9.0.
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Also update docs to mention which function are super-user-only.
Report by sys-milan@statpro.com
Backpatch through 9.4
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The list of posting lists it's dealing with can contain placeholders for
deleted posting lists. The placeholders are kept around so that they can
be WAL-logged, but we must be careful to not try to access them.
This fixes bug #11280, reported by Mårten Svantesson. Backpatch to 9.4,
where the compressed data leaf page code was added.
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It was changed when ALTER TABLESPACE / MOVE was added but then not
updated when that was moved back out.
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In commit 45e02e3232ac7cc5ffe36f7986159b5e0b1f6fdc, we intentionally
disallowed updates on individual elements of oidvector columns. While that
still seems like a sane idea in the abstract, we (I) forgot that citext's
"upgrade from unpackaged" script did in fact perform exactly such updates,
in order to fix the problem that citext indexes should have a collation
but would not in databases dumped or upgraded from pre-9.1 installations.
Even if we wanted to add casts to allow such updates, there's no practical
way to do so in the back branches, so the only real alternative is to make
citext's kluge even klugier. In this patch, I cast the oidvector to text,
fix its contents with regexp_replace, and cast back to oidvector. (Ugh!)
Since the aforementioned commit went into all active branches, we have to
fix this in all branches that contain the now-broken update script.
Per report from Eric Malm.
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If SELECT FOR UPDATE NOWAIT tries to lock a tuple that is concurrently
being updated, it might fail to honor its NOWAIT specification and block
instead of raising an error.
Fix by adding a no-wait flag to EvalPlanQualFetch which it can pass down
to heap_lock_tuple; also use it in EvalPlanQualFetch itself to avoid
blocking while waiting for a concurrent transaction.
Authors: Craig Ringer and Thomas Munro, tweaked by Álvaro
http://www.postgresql.org/message-id/51FB6703.9090801@2ndquadrant.com
Per Thomas Munro in the course of his SKIP LOCKED feature submission,
who also provided one of the isolation test specs.
Backpatch to 9.4, because that's as far back as it applies without
conflicts (although the bug goes all the way back). To that branch also
backpatch Thomas Munro's new NOWAIT test cases, committed in master by
Heikki as commit 9ee16b49f0aac819bd4823d9b94485ef608b34e8 .
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In some cases, not all Vars were being correctly marked as having been
modified for updatable security barrier views, which resulted in invalid
plans (eg: when security barrier views were created over top of
inheiritance structures).
In passing, be sure to update both varattno and varonattno, as _equalVar
won't consider the Vars identical otherwise. This isn't known to cause
any issues with updatable security barrier views, but was noticed as
missing while working on RLS and makes sense to get fixed.
Back-patch to 9.4 where updatable security barrier views were
introduced.
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Use SECURITY_LOCAL_USERID_CHANGE while building temporary tables;
only escalate to SECURITY_RESTRICTED_OPERATION while potentially
running user-supplied code. The more secure mode was preventing
temp table creation. Add regression tests to cover this problem.
This fixes Bug #11208 reported by Bruno Emanuel de Andrade Silva.
Backpatch to 9.4, where the bug was introduced.
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Also, remove OID preservation mention, mention non-text dump formats
Backpatch through 9.4
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There's no point in setting up a context error callback when doing
conditional lock acquisition, because we never actually wait and so the
able wouldn't be able to see it.
Backpatch to 9.4, where this was added.
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Some of the many error messages introduced in 458857cc missed 'FROM
unpackaged'. Also e016b724 and 45ffeb7e forgot to quote extension
version numbers.
Backpatch to 9.1, just like 458857cc which introduced the messages. Do
so because the error messages thrown when the wrong command is copy &
pasted aren't easy to understand.
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We also don't track PREPARE, nor do we track planning time in general, so
let's ignore DEALLOCATE as well for consistency.
Backpatch to 9.4, but not further than that. Although it seems unlikely that
anyone is relying on the current behavior, this is a behavioral change.
Fabien Coelho
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Add a note that some options can be specified multiple times to select
multiple objects to restore. This replaces the somewhat confusing use
of plurals in the option descriptions themselves.
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Cause the path extraction operators to return their lefthand input,
not NULL, if the path array has no elements. This seems more consistent
since the case ought to correspond to applying the simple extraction
operator (->) zero times.
Cause other corner cases in field/element/path extraction to return NULL
rather than failing. This behavior is arguably more useful than throwing
an error, since it allows an expression index using these operators to be
built even when not all values in the column are suitable for the
extraction being indexed. Moreover, we already had multiple
inconsistencies between the path extraction operators and the simple
extraction operators, as well as inconsistencies between the JSON and
JSONB code paths. Adopt a uniform rule of returning NULL rather than
throwing an error when the JSON input does not have a structure that
permits the request to be satisfied.
Back-patch to 9.4. Update the release notes to list this as a behavior
change since 9.3.
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The option is called --tablespace-mapping, not --tablespace.
Amit Kapila
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Previously, we would first create the symlinks the way they are in the
original system, and at the end replace them with the mapped symlinks.
That never really made much sense, so now we create the symlink pointing
to the correct location to begin with, so that there's no need to fix
them at the end.
The old coding didn't work correctly on Windows, because Windows junction
points look more like directories than files, and ought to be removed with
rmdir rather than unlink. Also, it incorrectly used "%d" rather than "%u"
to print an Oid, but that's gone now.
Report and patch by Amit Kapila, with minor changes by me. Reviewed by
MauMau. Backpatch to 9.4, where the --tablespace feature was added.
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As 'ALTER TABLESPACE .. MOVE ALL' really didn't change the tablespace
but instead changed objects inside tablespaces, it made sense to
rework the syntax and supporting functions to operate under the
'ALTER (TABLE|INDEX|MATERIALIZED VIEW)' syntax and to be in
tablecmds.c.
Pointed out by Alvaro, who also suggested the new syntax.
Back-patch to 9.4.
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Cover some cases I omitted before, such as null and empty-string
elements in the path array. This exposes another inconsistency:
json_extract_path complains about empty path elements but
jsonb_extract_path does not.
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jsonb's #> operator segfaulted (dereferencing a null pointer) if the RHS
was a zero-length array, as reported in bug #11207 from Justin Van Winkle.
json's #> operator returns NULL in such cases, so for the moment let's
make jsonb act likewise.
Also add a bunch of regression test queries memorializing the -> and #>
operators' behavior for this and other corner cases.
There is a good argument for changing some of these behaviors, as they
are not very consistent with each other, and throwing an error isn't
necessarily a desirable behavior for operators that are likely to be
used in indexes. However, everybody can agree that a core dump is the
Wrong Thing, and we need test cases even if we decide to change their
expected output later.
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This reverts commit 083d29c65b7897f90c70e6dc0a4240a5fa75c8f2.
The commit changed the code so that it causes an errors when
IDENTIFY_SYSTEM returns three columns. But which prevents us
from using the replication-related utilities against the server
with older version. This is not what we want. For that
compatibility, we allow the utilities to receive three columns
as the result of IDENTIFY_SYSTEM eventhough it actually returns
four columns in 9.4 or later.
Pointed out by Andres Freund.
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5a991ef8692ed0d170b44958a81a6bd70e90585 added new column into
the result of IDENTIFY_SYSTEM command. But it was not reflected into
several codes checking that result. Specifically though the number of
columns in the result was increased to 4, it was still compared with 3
in some replication codes.
Back-patch to 9.4 where the number of columns in IDENTIFY_SYSTEM
result was increased.
Report from Michael Paquier
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Programs need execute permission on a DLL file to load it. MSYS
"install" ignores the mode argument, and our Cygwin build statically
links libpq into programs. That explains the lack of buildfarm trouble.
Back-patch to 9.0 (all supported versions).
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The aboriginal sample placed connection parameters in
groupOfUniqueNames/uniqueMember. OpenLDAP, at least as early as version
2.4.23, rejects uniqueMember entries that do not conform to the syntax
for a distinguished name. Use device/description, which is free-form.
Back-patch to 9.4 for web site visibility.
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Oversight in commit 7cbe57c34dec4860243e6d0f81738cfbb6e5d069.
Back-patch to 9.4, where that commit first appeared. In passing,
release-note the FDW API postcondition change from the same commit.
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(thanks Michael Paquier)
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nice and we'll keep it in 9.5 but it'll take more time to iron out the
collateral damage on other queries and also on tools like
check_postgres.
revert dbe31616c9be7380b8a88cdfbeaa68dbdcdebc36
revert 6513633b94173fc1d9e2b213c43f9422ddbf5faa
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The old text explained what happened if we didn't have working int64
arithmetic. Since that case has been explicitly rejected by configure
since 8.4.3, documenting it in the 9.x branches can only produce confusion.
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Commit f30015b6d794c15d52abbb3df3a65081fbefb1ed made this happen for
timestamp and timestamptz, but it seems pretty inconsistent to not
do it for simple dates as well.
(In passing, I re-pgindent'd json.c.)
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Previously only CREATE_REPLICATION_SLOT was exposed as an index term.
That's odd and there is no reason not to add index terms for other
replication commands.
Back-patch to 9.4.
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Update the notes to include commits through today, and do a lot of
wordsmithing and markup adjustment. Notably, don't use <link> where <xref>
will do; since we got rid of the text-format HISTORY file, there is no
longer a reason to avoid <xref>.
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The new DISCARD SEQUENCES option was inadequately described, and hadn't
been mentioned at all in the initial Description paragraph. Rather than
rectifying the latter the hard way, it seemed better to rewrite the
description as a summary, instead of having it basically duplicate
statements made under Parameters. Be more consistent about the ordering
of the options, too.
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The upstream stylesheets for man output insert a *roff comment for an
occurrence of an indexterm, for reasons that have apparently been lost
in history. This, however, is done incorrectly and causes some
formatting problems. This hasn't been an issue until now, but the
reorganization of indexterm elements inside variablelists has triggered
this issue.
The upstream fix (http://sourceforge.net/p/docbook/bugs/1340/) is to
drop indexterms altogether in man output, and so we'll do the same here.
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PG_RETURN_BOOL() should only be used in functions following the V1 SQL
function API. This coding accidentally fails to fail since letting the
compiler coerce the Datum representation of bool back to plain bool
does give the right answer; but that doesn't make it a good idea.
Back-patch to older branches just to avoid unnecessary code divergence.
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<@ and @> are each other's commutators, but they were incorrectly marked
as being each other's negators instead. (This was actually questioned
in a comment in the original commit, but nobody followed through :-(.)
Per bug #11178 from Christian Pronovost.
In passing, fix some JSONB operator descriptions that were randomly
different from the phrasing of every other similar description.
catversion bump for pg_catalog contents change.
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I removed the flag earlier, but missed a few references in jsonb.h.
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When the TAP tests are run in-tree (make check), set the shared library
path using the appropriate environment variable, using a logic similar
to pg_regress, so that the right libraries are used.
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FreeBSD hasn't made any use of kern.ipc.semmap since 1.1, and newer
releases reject attempts to set it altogether; so stop recommending
that it be adjusted. Per bug #11161.
Back-patch to all supported branches. Before 9.3, also incorporate
commit 7a42dff47, which touches the same text and for some reason
was not back-patched at the time.
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Previously the help message described that -m is an option for
"stop", "restart" and "promote" commands in pg_ctl. But actually
that's not an option for "promote". So this commit fixes that
incorrect description in the help message.
Back-patch to 9.3 where the incorrect description was added.
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