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Add tab completion for COMMENT/SECURITY LABEL ON
PUBLICATION/SUBSCRIPTION.
Reported-by: Stephen Frost <sfrost@snowman.net>
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Per discussion, the TAP tests are really more verbose than necessary, so
remove the --verbose flag from PROVE_FLAGS. Also add comments to let
folks know how they can enable it if they really wish to, as suggested
by Craig Ringer.
Author: Michael Paquier, additional comments by me.
Discussion: https://postgr.es/m/CAMsr%2BYGAzcMDOZ_BirnMCL6Sb%3DMUjP0FRE82YBDSbXcf6pm9Yg%40mail.gmail.com
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We need to set the origin remote position to end_lsn, not commit_lsn, as
commit_lsn is the start of commit record, and we use the origin remote
position as start position when restarting replication stream. If we'd
use commit_lsn, we could request data that we already received from the
remote server after a crash of a downstream server.
Author: Petr Jelinek <petr.jelinek@2ndquadrant.com>
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This was correct in earlier versions of the patch that lead to
commit ea69a0dead5128c421140dc53fac165ba4af8520, but somehow got
broken in the last version which I actually committed.
Mithun Cy, per an off-list report from Ashutosh Sharma
Discussion: http://postgr.es/m/CAD__OujbAwNU71v1y-RoQxZ8LZ6-V2UFTkex3v34MK6uZ3Xb5w@mail.gmail.com
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Since hash indexes typically have very few overflow pages, adding a
new splitpoint essentially doubles the on-disk size of the index,
which can lead to large and abrupt increases in disk usage (and
perhaps long delays on occasion). To mitigate this problem to some
degree, divide larger splitpoints into four equal phases. This means
that, for example, instead of growing from 4GB to 8GB all at once, a
hash index will now grow from 4GB to 5GB to 6GB to 7GB to 8GB, which
is perhaps still not as smooth as we'd like but certainly an
improvement.
This changes the on-disk format of the metapage, so bump HASH_VERSION
from 2 to 3. This will force a REINDEX of all existing hash indexes,
but that's probably a good idea anyway. First, hash indexes from
pre-10 versions of PostgreSQL could easily be corrupted, and we don't
want to confuse corruption carried over from an older release with any
corruption caused despite the new write-ahead logging in v10. Second,
it will let us remove some backward-compatibility code added by commit
293e24e507838733aba4748b514536af2d39d7f2.
Mithun Cy, reviewed by Amit Kapila, Jesper Pedersen and me. Regression
test outputs updated by me.
Discussion: http://postgr.es/m/CAD__OuhG6F1gQLCgMQNnMNgoCvOLQZz9zKYJQNYvYmmJoM42gA@mail.gmail.com
Discussion: http://postgr.es/m/CA+TgmoYty0jCf-pa+m+vYUJ716+AxM7nv_syvyanyf5O-L_i2A@mail.gmail.com
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Craig Ringer, reviewed by me.
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I intended to include this adjustment in the previous commit
(7a39b5e4d11229ece930a51fd7cb29e535db44940) but messed up.
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Currently, the only type of child relation is an "other member rel",
which is the child of a baserel, but in the future joins and even
upper relations may have child rels. To facilitate that, introduce
macros that test to test for particular RelOptKind values, and use
them in various places where they help to clarify the sense of a test.
(For example, a test may allow RELOPT_OTHER_MEMBER_REL either because
it intends to allow child rels, or because it intends to allow simple
rels.)
Also, remove find_childrel_top_parent, which will not work for a
child rel that is not a baserel. Instead, add a new RelOptInfo
member top_parent_relids to track the same kind of information in a
more generic manner.
Ashutosh Bapat, slightly tweaked by me. Review and testing of the
patch set from which this was taken by Rajkumar Raghuwanshi and Rafia
Sabih.
Discussion: http://postgr.es/m/CA+TgmoagTnF2yqR3PT2rv=om=wJiZ4-A+ATwdnriTGku1CLYxA@mail.gmail.com
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In a couple of places, _hash_kill_items was mistakenly called with
the buffer lock not held. Repair.
Ashutosh Sharma, per a report from Andreas Seltenreich
Discussion: http://postgr.es/m/87o9wo8o0j.fsf@credativ.de
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gset_data (aka gd) in planner.c is always non-null if and only if
parse->groupingSets is non-null, but Coverity doesn't know that and
complains. Feed it an assertion to see if that keeps it happy.
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Add necessary include files for things used in the header.
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Since change of slot name is a supported operation, handle it more
gracefully, instead of in the this-should-not-happen way.
Author: Petr Jelinek <petr.jelinek@2ndquadrant.com>
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We already have CppAsString2, there's no need for the MSVC support to
re-invent a macro to do that (and especially not to inject it in as
ugly a way as this).
Discussion: https://postgr.es/m/CADkLM=c+hm2rc0tkKgC-ZgrLttHT2KkfppE+BC-=i-xj+7V-TQ@mail.gmail.com
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In commit e984ef586 I (tgl) simplified the behavior of \p to just print
the current query buffer; but Daniel Vérité points out that this made it
inconsistent with the behavior of \g and \w. It should print the same
thing \g would execute. Fix that, and improve related comments.
Daniel Vérité
Discussion: https://postgr.es/m/9b4ea968-753f-4b5f-b46c-d7d3bf7c8f90@manitou-mail.org
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Author: Erik Rijkers
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Previously, text between backquotes in a psql metacommand's arguments
was always passed to the shell literally. That considerably hobbles
the usefulness of the feature for scripting, so we'd foreseen for a long
time that we'd someday want to allow substitution of psql variables into
the shell command. IMO the addition of \if metacommands has brought us to
that point, since \if can greatly benefit from some sort of client-side
expression evaluation capability, and psql itself is not going to grow any
such thing in time for v10. Hence, this patch. It allows :VARIABLE to be
replaced by the exact contents of the named variable, while :'VARIABLE'
is replaced by the variable's contents suitably quoted to become a single
shell-command argument. (The quoting rules for that are different from
those for SQL literals, so this is a bit of an abuse of the :'VARIABLE'
notation, but I doubt anyone will be confused.)
As with other situations in psql, no substitution occurs if the word
following a colon is not a known variable name. That limits the risk of
compatibility problems for existing psql scripts; but the risk isn't zero,
so this needs to be called out in the v10 release notes.
Discussion: https://postgr.es/m/9561.1490895211@sss.pgh.pa.us
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On ProcessUtility document the parameter, to match others.
On CreateCachedPlan drop the queryEnv parameter. It was not
referenced within the function, and had been added on the
assumption that with some unknown future usage of QueryEnvironment
it might be useful to do something there. We have avoided other
"just in case" implementation of unused paramters, so drop it here.
Per gripe from Tom Lane
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When the BRIN summary tuple for a page range becomes too "wide" for the
values actually stored in the table (because the tuples that were
present originally are no longer present due to updates or deletes), it
can be useful to remove the outdated summary tuple, so that a future
summarization can install a tighter summary.
This commit introduces a SQL-callable interface to do so.
Author: Álvaro Herrera
Reviewed-by: Eiji Seki
Discussion: https://postgr.es/m/20170228045643.n2ri74ara4fhhfxf@alvherre.pgsql
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Previous commit had a thinko in the expected output for new tests.
Per buildfarm
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Previously, only VACUUM would cause a page range to get initially
summarized by BRIN indexes, which for some use cases takes too much time
since the inserts occur. To avoid the delay, have brininsert request a
summarization run for the previous range as soon as the first tuple is
inserted into the first page of the next range. Autovacuum is in charge
of processing these requests, after doing all the regular vacuuming/
analyzing work on tables.
This doesn't impose any new tasks on autovacuum, because autovacuum was
already in charge of doing summarizations. The only actual effect is to
change the timing, i.e. that it occurs earlier. For this reason, we
don't go any great lengths to record these requests very robustly; if
they are lost because of a server crash or restart, they will happen at
a later time anyway.
Most of the new code here is in autovacuum, which can now be told about
"work items" to process. This can be used for other things such as GIN
pending list cleaning, perhaps visibility map bit setting, both of which
are currently invoked during vacuum, but do not really depend on vacuum
taking place.
The requests are at the page range level, a granularity for which we did
not have SQL-level access; we only had index-level summarization
requests via brin_summarize_new_values(). It seems reasonable to add
SQL-level access to range-level summarization too, so add a function
brin_summarize_range() to do that.
Authors: Álvaro Herrera, based on sketch from Simon Riggs.
Reviewed-by: Thomas Munro.
Discussion: https://postgr.es/m/20170301045823.vneqdqkmsd4as4ds@alvherre.pgsql
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When reporting progress, make the "waiting for checkpoint" test be
overwritten by the file-based progress once it's completed. This is more
consistent with how we report the rest of the progress.
Suggested by Jeff Janes
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Kevin Grittner and Thomas Munro
Reviewed by Heikki Linnakangas, David Fetter, and Thomas Munro
with valuable comments and suggestions from many others
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A QueryEnvironment concept is added, which allows new types of
objects to be passed into queries from parsing on through
execution. At this point, the only thing implemented is a
collection of EphemeralNamedRelation objects -- relations which
can be referenced by name in queries, but do not exist in the
catalogs. The only type of ENR implemented is NamedTuplestore, but
provision is made to add more types fairly easily.
An ENR can carry its own TupleDesc or reference a relation in the
catalogs by relid.
Although these features can be used without SPI, convenience
functions are added to SPI so that ENRs can easily be used by code
run through SPI.
The initial use of all this is going to be transition tables in
AFTER triggers, but that will be added to each PL as a separate
commit.
An incidental effect of this patch is to produce a more informative
error message if an attempt is made to modify the contents of a CTE
from a referencing DML statement. No tests previously covered that
possibility, so one is added.
Kevin Grittner and Thomas Munro
Reviewed by Heikki Linnakangas, David Fetter, and Thomas Munro
with valuable comments and suggestions from many others
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It's unnecessary to return an actual slot when we have no tuple.
We can just return NULL, which avoids the risk of indexing into an
array that might not contain any elements.
Rushabh Lathia, per a report from Tomas Vondra
Discussion: http://postgr.es/m/6ecd6f17-0dcf-1de7-ded8-0de7db1ddc88@2ndquadrant.com
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Commit 45be99f8cd5d606086e0a458c9c72910ba8a613d removed GatherPath's
num_workers field, but this is entirely bogus. Normally, a path's
parallel_workers flag is supposed to indicate the number of workers
that it wants, and should be 0 for a non-partial path. In that
commit, I mistakenly thought that GatherPath could also use that field
to indicate the number of workers that it would try to start, but
that's disastrous, because then it can propagate up to higher nodes in
the plan tree, which will then get incorrect rowcounts because the
parallel_workers flag is involved in computing those values. Repair
by putting the separate field back.
Report by Tomas Vondra. Patch by me, reviewed by Amit Kapila.
Discussion: http://postgr.es/m/f91b4a44-f739-04bd-c4b6-f135bd643669@2ndquadrant.com
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On EXEC_BACKEND builds, this can fail if ASLR is in use.
Backpatch to 9.5. On master, completely remove the bgw_main field
completely, since there is no situation in which it is safe for an
EXEC_BACKEND build. On 9.6 and 9.5, leave the field intact to avoid
breaking things for third-party code that doesn't care about working
under EXEC_BACKEND. Prior to 9.5, there are no in-core bgworker
entrypoints.
Petr Jelinek, reviewed by me.
Discussion: http://postgr.es/m/09d8ad33-4287-a09b-a77f-77f8761adb5e@2ndquadrant.com
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Whoops, missed that same test was made for json as well as jsonb.
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Commit e306df7f9 added a test case that depends on "the" being a
stop word, which it is not in non-English locales. Since the
point of the test is to check stopword behavior, fix by forcibly
selecting the 'english' configuration.
Per buildfarm.
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Brandur Leach
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We were requiring that the user have REFERENCES permission on both the
referenced and referencing tables --- but this doesn't seem to have any
support in the SQL standard, which says only that you need REFERENCES
permission on the referenced table. And ALTER TABLE ADD FOREIGN KEY has
already checked that you own the referencing table, so the check could
only fail if a table owner has revoked his own REFERENCES permission.
Moreover, the symmetric interpretation of this permission is unintuitive
and confusing, as per complaint from Paul Jungwirth. So let's drop the
referencing-side check.
In passing, do a bit of wordsmithing on the GRANT reference page so that
all the privilege types are described in similar fashion.
Discussion: https://postgr.es/m/8940.1490906755@sss.pgh.pa.us
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This reverts commit 8355a011a0124bdf7ccbada206a967d427039553, which
turns out to have been a misguided effort. We can't really support
this in a partitioning hierarchy after all for exactly the reasons
stated in the documentation removed by that commit. It's still
possible to use ON CONFLICT .. DO NOTHING (or for that matter ON
CONFLICT .. DO UPDATE) on individual partitions if desired, but
but to allow this on a partitioned table implies that we have some
way of evaluating uniqueness across the whole partitioning
hierarchy, which is false.
Shinoda Noriyoshi noticed that the old code was crashing (which we
could fix, though not in a nice way) and Amit Langote realized
that this was indicative of a fundamental problem with the commit
being reverted here.
Discussion: http://postgr.es/m/ff3dc21d-7204-c09c-50ac-cf11a8c45c81@lab.ntt.co.jp
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Also, don't allow setting reloptions on them, since that would have no
effect given the lack of storage. The patch does this by introducing
a new reloption kind for which there are currently no reloptions -- we
might have some in the future -- so it adjusts parseRelOptions to
handle that case correctly.
Bumped catversion. System catalogs that contained reloptions for
partitioned tables are no longer valid; plus, there are now fewer
physical files on disk, which is not technically a catalog change but
still a good reason to re-initdb.
Amit Langote, reviewed by Maksim Milyutin and Kyotaro Horiguchi and
revised a bit by me.
Discussion: http://postgr.es/m/20170331.173326.212311140.horiguchi.kyotaro@lab.ntt.co.jp
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The new functions are ts_headline() and to_tsvector.
Dmitry Dolgov, edited and documented by me.
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Dmitry Dolgov, reviewed and lightly edited by me.
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Daniel Gustafsson
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Three nologin roles with non-overlapping privs are created by default
* pg_read_all_settings - read all GUCs.
* pg_read_all_stats - pg_stat_*, pg_database_size(), pg_tablespace_size()
* pg_stat_scan_tables - may lock/scan tables
Top level role - pg_monitor includes all of the above by default, plus others
Author: Dave Page
Reviewed-by: Stephen Frost, Robert Haas, Peter Eisentraut, Simon Riggs
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This patch adds nestable conditional blocks to psql. The control
structure feature per se is complete, but the boolean expressions
understood by \if and \elif are pretty primitive; basically, after
variable substitution and backtick expansion, the result has to be
"true" or "false" or one of the other standard spellings of a boolean
value. But that's enough for many purposes, since you can always
do the heavy lifting on the server side; and we can extend it later.
Along the way, pay down some of the technical debt that had built up
around psql/command.c:
* Refactor exec_command() into a function per command, instead of
being a 1500-line monstrosity. This makes the file noticeably longer
because of repetitive function header/trailer overhead, but it seems
much more readable.
* Teach psql_get_variable() and psqlscanslash.l to suppress variable
substitution and backtick expansion on the basis of the conditional
stack state, thereby allowing removal of the OT_NO_EVAL kluge.
* Fix the no-doubt-once-expedient hack of sometimes silently substituting
mainloop.c's previous_buf for query_buf when calling HandleSlashCmds.
(It's a bit remarkable that commands like \r worked at all with that.)
Recall of a previous query is now done explicitly in the slash commands
where that should happen.
Corey Huinker, reviewed by Fabien Coelho, further hacking by me
Discussion: https://postgr.es/m/CADkLM=c94OSRTnat=LX0ivNq4pxDNeoomFfYvBKM5N_xfmLtAA@mail.gmail.com
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The V0 convention is failure prone because we've so far assumed that a
function is V0 if PG_FUNCTION_INFO_V1 is missing, leading to crashes
if a function was coded against the V1 interface. V0 doesn't allow
proper NULL, SRF and toast handling. V0 doesn't offer features that
V1 doesn't.
Thus remove V0 support and obsolete fmgr README contents relating to
it.
Author: Andres Freund, with contributions by Peter Eisentraut & Craig Ringer
Reviewed-By: Peter Eisentraut, Craig Ringer
Discussion: https://postgr.es/m/20161208213441.k3mbno4twhg2qf7g@alap3.anarazel.de
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Introduces a scheme to produce abbreviated keys for the macaddr type.
Bump catalog version.
Author: Brandur Leach
Reviewed-by: Julien Rouhaud, Peter Geoghegan
https://commitfest.postgresql.org/13/743/
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Remove the behavior that a query mentioned in an error message would be
truncated to 128 characters. The queries that pg_dump runs are often
longer than that, and this behavior makes analyzing failures harder
unnecessarily.
Discussion: https://www.postgresql.org/message-id/flat/63201ef9-26fb-3f1f-664d-98531678cebc%402ndquadrant.com
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Author: Masahiko Sawada <sawada.mshk@gmail.com>
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The old coding was getting more complicated as new things were added,
and it would be barely tolerable with upcoming WARM updates and other
future features such as indirect indexes. The new coding incurs a small
performance cost in synthetic benchmark cases, and is barely measurable
in normal cases. A much larger benefit is expected from WARM, which
could actually bolt its needs on top of the existing coding, but it is
much uglier and bug-prone than doing it on this new code. Additional
optimization can be applied on top of this, if need be.
Reviewed-by: Pavan Deolasee, Amit Kapila, Mithun CY
Discussion: https://postgr.es/m/20161228232018.4hc66ndrzpz4g4wn@alvherre.pgsql
https://postgr.es/m/CABOikdMJfz69dBNRTOZcB6s5A0tf8OMCyQVYQyR-WFFdoEwKMQ@mail.gmail.com
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Commit 61c2e1a95f94bb904953a6281ce17a18ac38ee6d allowed parallel
query to be used in more places, revealing via buildfarm member
mandrill that several functions intended to be called from triggers
were incorrectly marked parallel-safe rather than parallel-restricted.
Report by Tom Lane. Patch by Rafia Sabih. Reviewed by me.
Discussion: http://postgr.es/m/16061.1490479253@sss.pgh.pa.us
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With sufficiently bad luck, it was possible for a parallel worker to
attempt attach to a DSA area after all other backends have detached
from it, which is not legal. If the worker had waited a little longer
to get started, the DSM itself would have been destroyed, which is why
this wasn't noticed before.
Thomas Munro, per a report from Andreas Seltenreich
Discussion: http://postgr.es/m/87h92g83t3.fsf@credativ.de
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The test result that I had blindly stipulated didn't work out on the
build farm, so disable the feature in Windows MSVC for now.
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Author: Mark Dilger <hornschnorter@gmail.com>
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copyObject() is declared to return void *, which allows easily assigning
the result independent of the input, but it loses all type checking.
If the compiler supports typeof or something similar, cast the result to
the input type. This creates a greater amount of type safety. In some
cases, where the result is assigned to a generic type such as Node * or
Expr *, new casts are now necessary, but in general casts are now
unnecessary in the normal case and indicate that something unusual is
happening.
Reviewed-by: Mark Dilger <hornschnorter@gmail.com>
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Reduce noise from TAP tests by changing 'diag' to 'note', so output only
goes to the test's log file not stdout, unless in verbose mode. This
also removes the junk on screen when running the TAP tests in parallel.
Author: Craig Ringer <craig@2ndquadrant.com>
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dsm_create and dsm_attach assumed that a current resource owner was
always in place. Exploration with the API show that this is
inconvenient: sometimes one must create a dummy resowner, create/attach
the DSM, only to pin the mapping later, which is wasteful. Change
create/attach so that if there is no current resowner, the dsm is
effectively pinned right from the start.
Discussion: https://postgr.es/m/20170324232710.32acsfsvjqfgc6ud@alvherre.pgsql
Reviewed by Thomas Munro.
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