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I (Andres) was more than a bit hasty in committing 33001fd7a7072d48327
after last minute changes, leading to a number of problems (jit output
was only shown for JIT in parallel workers, and just EXPLAIN without
ANALYZE didn't work). Lukas luckily found these issues quickly.
Instead of combining instrumentation in in standard_ExecutorEnd(), do
so on demand in the new ExplainPrintJITSummary().
Also update a documentation example of the JIT output, changed in
52050ad8ebec8d831.
Author: Lukas Fittl, with minor changes by me
Discussion: https://postgr.es/m/CAP53PkxmgJht69pabxBXJBM+0oc6kf3KHMborLP7H2ouJ0CCtQ@mail.gmail.com
Backpatch: 11, where JIT compilation was introduced
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The example used in the documentation is outdated as well. This is an
oversight from 0ac5ad5, which bumped up pgrowlocks but forgot some bits
of the documentation.
Reported-by: Chris Wilson
Discussion: https://postgr.es/m/153838692816.2950.12001142346234155699@wrigleys.postgresql.org
Backpatch-through: 9.3
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Be more specific about when and how to create the directory and what
permissions it should have.
Discussion: https://www.postgresql.org/message-id/flat/5ca60e1a-26f9-89fd-e912-021dd2b8afe2%40gmail.com
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This patch attempts, although it's quite possible there are a few
holes, to properly detect and reported signed integer overflows in
pgbench.
Author: Fabien Coelho
Reviewed-By: Andres Freund
Discussion: https://postgr.es/m/20171212052943.k2hlckfkeft3eiio@alap3.anarazel.de
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The previous commit wasn't careful enough to remove all traces of
TupleDescGetSlot().
Besides fixing the oversight of not removing TupleDescGetSlot()'s
declaration, this also removes FuncCallContext->slot. That was
documented to be for use in combination with TupleDescGetSlot(), a
cursory search over extensions finds no users, and there doesn't seem
to be convincing reasons to keep it around. If we later in the v12
release cycle find users, we can re-consider this part of the commit.
Reported-By: Michael Paquier
Discussion: https://postgr.es/m/20180926000413.GC1659@paquier.xyz
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We haven't touched these since text search functionality landed in core
in 2007 :-(. While the upstream project isn't a beehive of activity,
they do make additions and bug fixes from time to time. Update our
copies of these files.
Also update our documentation about how to keep things in sync, since
they're not making distribution tarballs these days. Fortunately,
their source code turns out to be a breeze to build.
Notable changes:
* The non-UTF8 version of the hungarian stemmer now works in LATIN2
not LATIN1.
* New stemmers have appeared for arabic, indonesian, irish, lithuanian,
nepali, and tamil. These all work in UTF8, and the indonesian and
irish ones also work in LATIN1.
(There are some new stemmers that I did not incorporate, mainly because
their names don't match the underlying languages, suggesting that they're
not to be considered mainstream.)
Worth noting: the upstream Nepali dictionary was contributed by
Arthur Zakirov.
initdb forced because the contents of snowball_create.sql have
changed.
Still TODO: see about updating the stopword lists.
Arthur Zakirov, minor mods and doc work by me
Discussion: https://postgr.es/m/20180626122025.GA12647@zakirov.localdomain
Discussion: https://postgr.es/m/20180219140849.GA9050@zakirov.localdomain
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aclitem functions and operators have been heretofore undocumented.
Fix that. While at it, ensure the non-operator aclitem functions have
pg_description strings.
Does not seem worthwhile to back-patch.
Author: Fabien Coelho, with pg_description from John Naylor, and significant
refactoring and editorialization by me.
Reviewed by: Tom Lane
Discussion: https://postgr.es/m/flat/alpine.DEB.2.21.1808010825490.18204%40lancre
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This isn't terribly safe, and making it so doesn't seem like a small
project, so for the moment just warn against it.
Discussion: https://postgr.es/m/13624.1535486019@sss.pgh.pa.us
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Being able to use a value that can be changed on a connection basis is
useful with clusters distributed geographically, and makes failure
detection more flexible. A note is added in the documentation about the
use of "options" in primary_conninfo, which can be hard to grasp for
newcomers with the need of two single quotes when listing a set of
parameters.
Author: Tsunakawa Takayuki
Reviewed-by: Masahiko Sawada, Michael Paquier
Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1FAAD3AE@G01JPEXMBYT05
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JIT was disabled by default in a PG 11 in a separate commit that will
normally not appear in the PG 12 git logs. Therefore, create a PG 12
document and mention the fact that JIT is enabled by default in this
release. (A similar change in parallelism was missed in a prior
release.)
Reported-by: Andres Freund
Discussion: https://postgr.es/m/20180922000554.qukbhhlagpnopvko@alap3.anarazel.de
Backpatch-through: head
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standard_conforming_strings defaulted to 'on' in PG 9.1.
bytea_output defaulted to 'hex' in PG 9.0.
Reported-by: André Hänsel
Discussion: https://postgr.es/m/12e601d447ac$345994a0$9d0cbde0$@webkr.de
Backpatch-through: 9.3
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This can happen for CREATE TABLE and ALTER TABLE, so a mention is added
to both of them in the concerned subsections.
Author: Adrien Nayrat
Discussion: https://postgr.es/m/c4e8af11-1dfc-766a-c953-76979b9fcdaa@anayrat.info
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This eliminates some more tedium in adding new catalog entries,
specifically the need to set up an array type when adding a new
built-in data type. Now it's sufficient to assign an OID for the
array type and write it in an "array_type_oid" metadata field.
You don't have to fill the base type's typarray link explicitly, either.
No catversion bump since the contents of pg_type aren't changed.
(Well, their order might be different, but that doesn't matter.)
John Naylor, reviewed and whacked around a bit by
Dagfinn Ilmari Mannsåker, and some more by me.
Discussion: https://postgr.es/m/CAJVSVGVTb6m9pJF49b3SuA8J+T-THO9c0hxOmoyv-yGKh-FbNg@mail.gmail.com
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Currently, KNN searches were supported only by GiST. SP-GiST also capable to
support them. This commit implements that support. SP-GiST scan stack is
replaced with queue, which serves as stack if no ordering is specified. KNN
support is provided for three SP-GIST opclasses: quad_point_ops, kd_point_ops
and poly_ops (catversion is bumped). Some common parts between GiST and SP-GiST
KNNs are extracted into separate functions.
Discussion: https://postgr.es/m/570825e8-47d0-4732-2bf6-88d67d2d51c8%40postgrespro.ru
Author: Nikita Glukhov, Alexander Korotkov based on GSoC work by Vlad Sterzhanov
Review: Andrey Borodin, Alexander Korotkov
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This contains all individuals mentioned in the commit messages during
PostgreSQL 11 development.
current through 7a2f70f0e5e83871d091ee479abea4b8f850dd29
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The previous text was overly complex.
Backpatch-through: 11
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Per discussion, JIT isn't quite mature enough to ship enabled-by-default.
I failed to resist the temptation to do a bunch of copy-editing on the
related documentation. Also, clean up some inconsistencies in which
section of config.sgml the JIT GUCs are documented in vs. what guc.c
and postgresql.config.sample had.
Discussion: https://postgr.es/m/20180914222657.mw25esrzbcnu6qlu@alap3.anarazel.de
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This number can be useful for application memory management, and the
overhead to track it seems pretty trivial.
Lars Kanis, reviewed by Pavel Stehule, some mods by me
Discussion: https://postgr.es/m/fa16a288-9685-14f2-97c8-b8ac84365a4f@greiz-reinsdorf.de
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Fixes for channel binding, SQL procedures, and pg_trgm.
Backpatch-through: 11
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to_timestamp()/to_date() functions were introduced mainly for Oracle
compatibility, and became very popular among PostgreSQL users. However, some
behavior of to_timestamp()/to_date() functions are both incompatible with Oracle
and confusing for our users. This behavior is related to handling of spaces and
separators in non FX (fixed format) mode. This commit reworks this behavior
making less confusing, better documented and more compatible with Oracle.
Nevertheless, there are still following incompatibilities with Oracle.
1) We don't insist that there are no format string patterns unmatched to
input string.
2) In FX mode we don't insist space and separators in format string to exactly
match input string.
3) When format string patterns are divided by mix of spaces and separators, we
don't distinguish them, while Oracle takes into account only last group of
spaces/separators.
Discussion: https://postgr.es/m/1873520224.1784572.1465833145330.JavaMail.yahoo%40mail.yahoo.com
Author: Artur Zakirov, Alexander Korotkov, Liudmila Mantrova
Review: Amul Sul, Robert Haas, Tom Lane, Dmitry Dolgov, David G. Johnston
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Commit be54b3777 failed on gmake 3.80 due to a chained conditional,
which on closer examination could be removed entirely with some
refactoring elsewhere for a net simplification and more robustness
against empty expansions. Along the way, add some more comments.
Also make explicit in the documentation and comments that built
headers are not removed by 'make clean', since we don't typically want
that for headers generated by a separate ./configure step, and it's
much easier to add your own 'distclean' rule or use EXTRA_CLEAN than
to try and override a deletion rule in pgxs.mk.
Per buildfarm member prariedog and comments by Michael Paquier, though
all the actual changes are my fault.
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Since the fixes for CVE-2018-1058, we've advised people to schema-qualify
function references in order to fix failures in code that executes under
a minimal search_path setting. However, that's insufficient to make the
single-argument form of unaccent() work, because it looks up the "unaccent"
text search dictionary using the search path.
The most expedient answer seems to be to remove the search_path dependency
by making it look in the same schema that the unaccent() function itself
is declared in. This will definitely work for the normal usage of this
function with the unaccent dictionary provided by the extension.
It's barely possible that there are people who were relying on the
search-path-dependent behavior to select other dictionaries with the same
name; but if there are any such people at all, they can still get that
behavior by writing unaccent('unaccent', ...), or possibly
unaccent('unaccent'::text::regdictionary, ...) if the lookup has to be
postponed to runtime.
Per complaint from Gunnlaugur Thor Briem. Back-patch to all supported
branches.
Discussion: https://postgr.es/m/CAPs+M8LCex6d=DeneofdsoJVijaG59m9V0ggbb3pOH7hZO4+cQ@mail.gmail.com
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Commit df163230b overlooked the case that an out-of-tree extension
might need to build its header files (e.g. via ./configure). If it is
also doing a VPATH build, the HEADERS_* rules in the original commit
would then fail to find the files, since they would be looking only
under $(srcdir) and not in the build directory.
Fix by adding HEADERS_built and HEADERS_built_$(MODULE) which behave
like DATA_built in that they look in the build dir rather than the
source dir (and also make the files dependencies of the "all" target).
No Windows support appears to be needed for this, since it is only
relevant to out-of-tree builds (no support exists in Mkvcbuild.pm to
build extension header files in any case).
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pg_get_object_address and pg_identify_object_as_address are supposed
to be inverses, but they disagreed as to the names of the arguments
representing the textual form of an object address. Moreover, the
documented argument names didn't agree with reality at all, either
for these functions or pg_identify_object.
In HEAD and v11, I think we can get away with renaming the input
arguments of pg_get_object_address to match the outputs of
pg_identify_object_as_address. In theory that might break queries
using named-argument notation to call pg_get_object_address, but
it seems really unlikely that anybody is doing that, or that they'd
have much trouble adjusting if they were. In older branches, we'll
just live with the lack of consistency.
Aside from fixing the documentation of these functions to match reality,
I couldn't resist the temptation to do some copy-editing.
Per complaint from Jean-Pierre Pelletier. Back-patch to 9.5 where these
functions were introduced. (Before v11, this is a documentation change
only.)
Discussion: https://postgr.es/m/CANGqjDnWH8wsTY_GzDUxbt4i=y-85SJreZin4Hm8uOqv1vzRQA@mail.gmail.com
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The previous description was unclear. Also add a third example, change
use of time zone acronyms to more verbose descriptions, and add a
mention that using 'time' with AT TIME ZONE uses the current time zone
rules.
Backpatch-through: 9.3
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It's been true for a long time that we expect names of table and domain
constraints to be unique among the constraints of that table or domain.
However, the enforcement of that has been pretty haphazard, and it missed
some corner cases such as creating a CHECK constraint and then an index
constraint of the same name (as per recent report from André Hänsel).
Also, due to the lack of an actual unique index enforcing this, duplicates
could be created through race conditions.
Moreover, the code that searches pg_constraint has been quite inconsistent
about how to handle duplicate names if one did occur: some places checked
and threw errors if there was more than one match, while others just
processed the first match they came to.
To fix, create a unique index on (conrelid, contypid, conname). Since
either conrelid or contypid is zero, this will separately enforce
uniqueness of constraint names among constraints of any one table and any
one domain. (If we ever implement SQL assertions, and put them into this
catalog, more thought might be needed. But it'd be at least as reasonable
to put them into a new catalog; having overloaded this one catalog with
two kinds of constraints was a mistake already IMO.) This index can replace
the existing non-unique index on conrelid, though we need to keep the one
on contypid for query performance reasons.
Having done that, we can simplify the logic in various places that either
coped with duplicates or neglected to, as well as potentially improve
lookup performance when searching for a constraint by name.
Also, as per our usual practice, install a preliminary check so that you
get something more friendly than a unique-index violation report in the
case complained of by André. And teach ChooseIndexName to avoid choosing
autogenerated names that would draw such a failure.
While it's not possible to make such a change in the back branches,
it doesn't seem quite too late to put this into v11, so do so.
Discussion: https://postgr.es/m/0c1001d4428f$0942b430$1bc81c90$@webkr.de
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This column was added in commit 8224de4f42cc ("Indexes with INCLUDE
columns and their support in B-tree") to ease writing the ruleutils.c
supporting code for that feature, but it turns out to be unnecessary --
we can do the same thing with just one more syscache lookup.
Even the documentation for the new column being removed in this commit
is awkward.
Discussion: https://postgr.es/m/20180902165018.33otxftp3olgtu4t@alvherre.pgsql
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This table claimed that JOHAB could be used as a server encoding, which
was true originally but hasn't been true since 8.3. It also lacked
entries for EUC_JIS_2004 and SHIFT_JIS_2004.
JOHAB problem noted by Lars Kanis, the others by me.
Discussion: https://postgr.es/m/c0f514a1-b7a9-b9ea-1c02-c34aead56c06@greiz-reinsdorf.de
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Currently there are two ways to trigger log rotation in logging collector
process: call pg_rotate_logfile() SQL-function or send SIGUSR1 signal directly
to logging collector process. However, it's nice to have more suitable way
for external tools to do that, which wouldn't require SQL connection or
knowledge of logging collector pid. This commit implements triggering log
rotation by "pg_ctl logrotate" command.
Discussion: https://postgr.es/m/20180416.115435.28153375.horiguchi.kyotaro%40lab.ntt.co.jp
Author: Kyotaro Horiguchi, Alexander Kuzmenkov, Alexander Korotkov
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Using -d is odd, because we normally reserve that for a database
argument, so rename it to -v and add long version --verbose.
Also, reduce it to emit one line per file checked rather than one line
per block.
Per a complaint from Michael Banck.
Author: Yugo Nagata <nagata@sraoss.co.jp>
Reviewed-by: Michael Banck <michael.banck@credativ.de>
Discussion: https://postgr.es/m/20180827113411.GA22768@nighthawk.caipicrew.dd-dns.de
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This changed during pg10 development, but had not been documented.
Co-authored-by: Jonathan S. Katz <jkatz@postgresql.org>
Discussion: https://postgr.es/m/20180828163408.vl44nwetdybwffyk@alvherre.pgsql
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Like oid2name, vacuumlo has been lacking consistency with other
utilities for its options:
- Connection options gain long aliases.
- Document environment variables which could be used: PGHOST, PGPORT and
PGUSER.
Documentation and code is reordered to be more consistent. A basic set
of TAP tests has been added while on it.
Author: Tatsuro Yamada
Reviewed-by: Michael Paquier
Discussion: https://postgr.es/m/c7e7f25c-1747-cd0f-9335-390bc97b2db5@lab.ntt.co.jp
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oid2name has done little effort to keep an interface consistent with
other binary utilities:
- -H was used instead of -h/-host. This option is now marked as
deprecated, still its output is accepted to be backward-compatible.
- -P has been removed from the code, and was still documented.
- All options gain long aliases, making connection options more similar
to other binaries.
- Document environment variables which could be used: PGHOST, PGPORT and
PGUSER.
A basic set of TAP tests is added on the way, and documentation is
cleaned up to be more consistent with other things.
Author: Tatsuro Yamada
Reviewed-by: Michael Paquier
Discussion: https://postgr.es/m/c7e7f25c-1747-cd0f-9335-390bc97b2db5@lab.ntt.co.jp
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Mention that "Latest checkpoint location" will not match in pg_upgrade
if the standby server is still running during the upgrade, which is
possible. "Match" text first appeared in PG 9.5.
Reported-by: Paul Bonaud
Discussion: https://postgr.es/m/c7268794-edb4-1772-3bfd-04c54585c24e@trainline.com
Backpatch-through: 9.5
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Reported-by: Ashutosh Sharma
Discussion: https://postgr.es/m/CAE9k0PnhnL6MNDLuvkk8USzOa_DpzDzFQPAM_uaGuXbh9HMKYw@mail.gmail.com
Author: Ashutosh Sharma
Backpatch-through: 9.3
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The options string appeared in PG 10.
Reported-by: pgsql-kr@postgresql.kr
Discussion: https://postgr.es/m/153500377658.1378.6587007319641704057@wrigleys.postgresql.org
Backpatch-through: 10
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Reported-by: Adam Bielański
Discussion: https://postgr.es/m/153484305538.1370.7605856225879294548@wrigleys.postgresql.org
Backpatch-through: 9.3
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Since 5220bb7, not only Append, but also MergeAppend support the
operation.
Author: Amit Langote
Discussion: https://postgr.es/m/59d8eb92-4536-c44e-54e2-305b9b3d8eb7@lab.ntt.co.jp
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In 86d78ef50e01 I enabled configure to check for C99 support, with the
goal of checking which platforms support C99. While there are a few
machines without C99 support among our buildfarm animals,
de-supporting them for v12 was deemed acceptable.
While not tested in aforementioned commit, the biggest increase in
minimum compiler version comes from MSVC, which gained C99 support
fairly late. The subset in MSVC 2013 is sufficient for our needs, at
this point. While that is a significant increase in minimum version,
the existing windows binaries are already built with a new enough
version.
Make configure error out if C99 support could not be detected. For
MSVC builds, increase the minimum version to 2013.
The increase to MSVC 2013 allows us to get rid of VCBuildProject.pm,
as that was only required for MSVC 2005/2008.
Author: Andres Freund
Discussion: https://postgr.es/m/97d4b165-192d-3605-749c-f614a0c4e783@2ndquadrant.com
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Historically, we looked up the target hostname in connectDBStart, so that
PQconnectPoll did not need to do DNS name resolution. The patches that
added multiple-target-host support to libpq preserved this division of
labor; but it's really nonsensical now, because it means that if any one
of the target hosts fails to resolve in DNS, the connection fails. That
negates the no-single-point-of-failure goal of the feature. Additionally,
DNS lookups aren't exactly cheap, but the code did them all even if the
first connection attempt succeeds.
Hence, rearrange so that PQconnectPoll does the lookups, and only looks
up a hostname when it's time to try that host. This does mean that
PQconnectPoll could block on a DNS lookup --- but if you wanted to avoid
that, you should be using hostaddr, as the documentation has always
specified. It seems fairly unlikely that any applications would really
care whether the lookup occurs inside PQconnectStart or PQconnectPoll.
In addition to calling out that fact explicitly, do some other minor
wordsmithing in the docs around the multiple-target-host feature.
Since this seems like a bug in the multiple-target-host feature,
backpatch to v10 where that was introduced. In the back branches,
avoid moving any existing fields of struct pg_conn, just in case
any third-party code is looking into that struct.
Tom Lane, reviewed by Fabien Coelho
Discussion: https://postgr.es/m/4913.1533827102@sss.pgh.pa.us
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Reformat synopsis, put options into better order, make the desciption
line a bit shorter, and put more details into the description.
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Thinko in commit 857ee8e39.
Discovered-by: Gianni Ciolli
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Some text was still claiming that committing transactions was not
possible in PL/pgSQL.
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Since procedures are now a different thing from functions, change the
CREATE TRIGGER and CREATE EVENT TRIGGER syntax to use FUNCTION in the
clause that specifies the function. PROCEDURE is still accepted for
compatibility.
pg_dump and ruleutils.c output is not changed yet, because that would
require a change in information_schema.sql and thus a catversion change.
Reported-by: Peter Geoghegan <pg@bowt.ie>
Reviewed-by: Jonathan S. Katz <jonathan.katz@excoventures.com>
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Since procedures are now a different thing from functions, change the
CREATE OPERATOR syntax to use FUNCTION in the clause that specifies the
function. PROCEDURE is still accepted for compatibility.
Reported-by: Peter Geoghegan <pg@bowt.ie>
Reviewed-by: Jonathan S. Katz <jonathan.katz@excoventures.com>
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Historically, the term procedure was used as a synonym for function in
Postgres/PostgreSQL. Now we have procedures as separate objects from
functions, so we need to clean up the documentation to not mix those
terms.
In particular, mentions of "trigger procedures" are changed to "trigger
functions", and access method "support procedures" are changed to
"support functions". (The latter already used FUNCTION in the SQL
syntax anyway.) Also, the terminology in the SPI chapter has been
cleaned up.
A few tests, examples, and code comments are also adjusted to be
consistent with documentation changes, but not everything.
Reported-by: Peter Geoghegan <pg@bowt.ie>
Reviewed-by: Jonathan S. Katz <jonathan.katz@excoventures.com>
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This para is obsolete, first because nobody is using Solaris 7 anymore,
and second because if someone was, configure should catch the snprintf
buffer overrun problem automatically (since commit 9bed827b1), and third
because this is incorrect advice about how to manually force use of
snprintf.c anyway, and has been so at least since commit 3bc6bdf32.
The lack of complaints about it reinforces the conclusion that Solaris 7
no longer exists in the wild; so I don't feel a need to insert correct
advice instead.
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Author: Dian Fay
Discussion: https://postgr.es/m/745abbd2-a1a0-ead8-2cb2-768c16747d97@gmail.com
Backpatch-through: 9.3
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Somebody accidentally a word. Back-patch to 9.6.
Reported-by: Justin Pryzby
Discussion: https://postgr.es/m/20180816195431.GA23707%40telsasoft.com
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