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Now all normally used options are covered by long options as well.
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This was already the predominant form in man pages and help output.
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From: Vik Fearing <vik@2ndquadrant.fr>
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This value might not be to everyone's taste; in particular, some
people might prefer %t to %m, and others may want %u, %d, or other
fields. However, it's a vast improvement on the old default of ''.
Christoph Berg
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Confirmed by Michael Paquier.
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Confirmed by Tom Lane.
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Tatsuo Ishii
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The need for dumping from such ancient servers has decreased to about nil
in the field, so let's remove all the code that catered to it. Aside
from removing a lot of boilerplate variant queries, this allows us to not
have to cope with servers that don't have (a) schemas or (b) pg_depend.
That means we can get rid of assorted squishy code around that. There
may be some nonobvious additional simplifications possible, but this patch
already removes about 1500 lines of code.
I did not remove the ability for pg_restore to read custom-format archives
generated by these old versions (and light testing says that that does
still work). If you have an old server, you probably also have a pg_dump
that will work with it; but you have an old custom-format backup file,
that might be all you have.
It'd be possible at this point to remove fmtQualifiedId()'s version
argument, but I refrained since that would affect code outside pg_dump.
Discussion: <2661.1475849167@sss.pgh.pa.us>
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SCO OpenServer and SCO UnixWare are more or less dead platforms.
We have never had a buildfarm member testing the "sco" port, and
the last "unixware" member was last heard from in 2012, so it's
fair to doubt that the code even compiles anymore on either one.
Remove both ports. We can always undo this if someone shows up
with an interest in maintaining and testing these platforms.
Discussion: <17177.1476136994@sss.pgh.pa.us>
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Fix poor grammar introduced in 741ccd501.
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It was perhaps not entirely clear that internal self-references shouldn't
be schema-qualified even if the view name is written with a schema.
Spell it out.
Discussion: <871sznz69m.fsf@metapensiero.it>
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Since commit ecb0d20a9 hasn't crashed and burned, here's the promised
docs update for it.
In addition to explaining that Linux and FreeBSD ports now use POSIX
semaphores, I did some wordsmithing on pre-existing wording; in
particular trying to clarify which SysV parameters need to be set with
an eye to total usage across all applications.
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WaitLatch, WaitLatchOrSocket, and WaitEventSetWait now taken an
additional wait_event_info parameter; legal values are defined in
pgstat.h. This makes it possible to uniquely identify every point in
the core code where we are waiting for a latch; extensions can pass
WAIT_EXTENSION.
Because latches were the major wait primitive not previously covered
by this patch, it is now possible to see information in
pg_stat_activity on a large number of important wait events not
previously addressed, such as ClientRead, ClientWrite, and SyncRep.
Unfortunately, many of the wait events added by this patch will fail
to appear in pg_stat_activity because they're only used in background
processes which don't currently appear in pg_stat_activity. We should
fix this either by creating a separate view for such information, or
else by deciding to include them in pg_stat_activity after all.
Michael Paquier and Robert Haas, reviewed by Alexander Korotkov and
Thomas Munro.
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Without this, an extension containing an access method is not properly
dumped/restored during pg_upgrade --- the AM ends up not being a member
of the extension after upgrading.
Another oversight in commit 473b93287, reported by Andrew Dunstan.
Report: <f7ac29f3-515c-2a44-21c5-ec925053265f@dunslane.net>
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Add omitted names for some function parameters.
Fix some minor grammatical issues.
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Now that we track initial privileges on extension objects and changes to
those permissions, we can drop the superuser() checks from the various
functions which are part of the pgstattuple extension and rely on the
GRANT system to control access to those functions.
Since a pg_upgrade will preserve the version of the extension which
existed prior to the upgrade, we can't simply modify the existing
functions but instead need to create new functions which remove the
checks and update the SQL-level functions to use the new functions
(and to REVOKE EXECUTE rights on those functions from PUBLIC).
Thanks to Tom and Andres for adding support for extensions to follow
update paths (see: 40b449a), allowing this patch to be much smaller
since no new base version script needed to be included.
Approach suggested by Noah.
Reviewed by Michael Paquier.
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This patch just exposes COPY's FROM PROGRAM option in contrib/file_fdw.
There don't seem to be any security issues with that that are any worse
than what already exist with file_fdw and COPY; as in the existing cases,
only superusers are allowed to control what gets executed.
A regression test case might be nice here, but choosing a 100% portable
command to run is hard. (We haven't got a test for COPY FROM PROGRAM
itself, either.)
Corey Huinker and Adam Gomaa, reviewed by Amit Langote
Discussion: <CADkLM=dGDGmaEiZ=UDepzumWg-CVn7r8MHPjr2NArj8S3TsROQ@mail.gmail.com>
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This is useful for testing, similar to initdb's --nosync.
From: Michael Paquier <michael.paquier@gmail.com>
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The list of files and directories that pg_basebackup excludes from the
backup was somewhat incomplete and unorganized. Change that with having
the exclusion driven from tables. Clean up some code around it. Also
document the exclusions in more detail so that users of pg_start_backup
can make use of it as well.
The contents of these directories are now excluded from the backup:
pg_dynshmem, pg_notify, pg_serial, pg_snapshots, pg_subtrans
Also fix a bug that a pg_repl_slot or pg_stat_tmp being a symlink would
cause a corrupt tar header to be created. Now such symlinks are
included in the backup as empty directories. Bug found by Ashutosh
Sharma <ashu.coek88@gmail.com>.
From: David Steele <david@pgmasters.net>
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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Historically, something like to_date('2009-06-40','YYYY-MM-DD') would
return '2009-07-10' because there was no prohibition on out-of-range
month or day numbers. This has been widely panned, and it also turns
out that Oracle throws an error in such cases. Since these functions
are nominally Oracle-compatibility features, let's change that.
There's no particular restriction on year (modulo the fact that the
scanner may not believe that more than 4 digits are year digits,
a matter to be addressed separately if at all). But we now check month,
day, hour, minute, second, and fractional-second fields, as well as
day-of-year and second-of-day fields if those are used.
Currently, no checks are made on ISO-8601-style week numbers or day
numbers; it's not very clear what the appropriate rules would be there,
and they're probably so little used that it's not worth sweating over.
Artur Zakirov, reviewed by Amul Sul, further adjustments by me
Discussion: <1873520224.1784572.1465833145330.JavaMail.yahoo@mail.yahoo.com>
See-Also: <57786490.9010201@wars-nicht.de>
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This makes the parameter easier to extend, to support other password-based
authentication protocols than MD5. (SCRAM is being worked on.)
The GUC still accepts on/off as aliases for "md5" and "plain", although
we may want to remove those once we actually add support for another
password hash type.
Michael Paquier, reviewed by David Steele, with some further edits by me.
Discussion: <CAB7nPqSMXU35g=W9X74HVeQp0uvgJxvYOuA4A-A3M+0wfEBv-w@mail.gmail.com>
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We had thirty different GIN array opclasses sharing the same operators and
support functions. That still didn't cover all the built-in types, nor
did it cover arrays of extension-added types. What we want is a single
polymorphic opclass for "anyarray". There were two missing features needed
to make this possible:
1. We have to be able to declare the index storage type as ANYELEMENT
when the opclass is declared to index ANYARRAY. This just takes a few
more lines in index_create(). Although this currently seems of use only
for GIN, there's no reason to make index_create() restrict it to that.
2. We have to be able to identify the proper GIN compare function for
the index storage type. This patch proceeds by making the compare function
optional in GIN opclass definitions, and specifying that the default btree
comparison function for the index storage type will be looked up when the
opclass omits it. Again, that seems pretty generically useful.
Since the comparison function lookup is done in initGinState(), making
use of the second feature adds an additional cache lookup to GIN index
access setup. It seems unlikely that that would be very noticeable given
the other costs involved, but maybe at some point we should consider
making GinState data persist longer than it now does --- we could keep it
in the index relcache entry, perhaps.
Rather fortuitously, we don't seem to need to do anything to get this
change to play nice with dump/reload or pg_upgrade scenarios: the new
opclass definition is automatically selected to replace existing index
definitions, and the on-disk data remains compatible. Also, if a user has
created a custom opclass definition for a non-builtin type, this doesn't
break that, since CREATE INDEX will prefer an exact match to opcintype
over a match to ANYARRAY. However, if there's anyone out there with
handwritten DDL that explicitly specifies _bool_ops or one of the other
replaced opclass names, they'll need to adjust that.
Tom Lane, reviewed by Enrique Meneses
Discussion: <14436.1470940379@sss.pgh.pa.us>
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Evidently an oversight in commit 729205571. Back-patch to 9.2 where
privileges for types were introduced.
Report: <20160922173517.8214.88959@wrigleys.postgresql.org>
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We weren't terribly consistent about whether to call Apple's OS "OS X"
or "Mac OS X", and the former is probably confusing to people who aren't
Apple users. Now that Apple has rebranded it "macOS", follow their lead
to establish a consistent naming pattern. Also, avoid the use of the
ancient project name "Darwin", except as the port code name which does not
seem desirable to change. (In short, this patch touches documentation and
comments, but no actual code.)
I didn't touch contrib/start-scripts/osx/, either. I suspect those are
obsolete and due for a rewrite, anyway.
I dithered about whether to apply this edit to old release notes, but
those were responsible for quite a lot of the inconsistencies, so I ended
up changing them too. Anyway, Apple's being ahistorical about this,
so why shouldn't we be?
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Set release date, document a few recent commits, do one last pass of
copy-editing.
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These worked as-is until around 7.0, but fail in newer versions because
there are more operators named "#". Besides it's a bit inconsistent that
only two of the examples on this page lack type names on their constants.
Report: <20160923081530.1517.75670@wrigleys.postgresql.org>
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When waiting is selected for the promote action, look into pg_control
until the state changes, then use the PQping-based waiting until the
server is reachable.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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Previously, the individual settings were documented, but there was
no overall discussion of the capabilities and limitations of the
feature. Add that.
Patch by me, reviewed by Peter Eisentraut and Álvaro Herrera.
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This is similar to the -N option in pg_dump, except that it doesn't take
a pattern, just like the existing -n option in pg_restore.
From: Michael Banck <michael.banck@credativ.de>
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based on patch from Takeshi Ideriha <iderihatakeshi@gmail.com>
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The existing example threw an error.
From: gabrielle <gorthx@gmail.com>
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Python 2.4 and Fedora 4 are both obsolete at this point, especially
unpatched debug builds.
Discussion: <85e377b2-d459-396e-59b1-115548bbc059@iki.fi>
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Bernd Helmle, reviewed by Thomas Munro, tweaked by me.
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Amit Langote and Robert Haas
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Standardize on "user_name" for a field name in related examples in
ddl.sgml; before we had variously "user_name", "username", and "user".
The last is flat wrong because it conflicts with a reserved word.
Be consistent about entry capitalization in a table in func.sgml.
Fix a typo in pgtrgm.sgml.
Back-patch to 9.6 and 9.5 as relevant.
Alexander Law
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Like initdb, clean up created data and xlog directories, unless the new
-n/--noclean option is specified.
Tablespace directories are not cleaned up, but a message is written
about that.
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
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Previously checkpoint_timeout was capped at 3600s
New max setting is 86400s = 24h = 1d
Discussion: 32558.1454471895@sss.pgh.pa.us
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Previously, to update an extension you had to produce both a version-update
script and a new base installation script. It's become more and more
obvious that that's tedious, duplicative, and error-prone. This patch
attempts to improve matters by allowing the new base installation script
to be omitted. CREATE EXTENSION will install a requested version if it
can find a base script and a chain of update scripts that will get there.
As in the existing update logic, shorter chains are preferred if there's
more than one possibility, with an arbitrary tie-break rule for chains
of equal length.
Also adjust the pg_available_extension_versions view to show such versions
as installable.
While at it, refactor the code so that CASCADE processing works for
extensions requested during ApplyExtensionUpdates(). Without this,
addition of a new requirement in an updated extension would require
creating a new base script, even if there was no other reason to do that.
(It would be easy at this point to add a CASCADE option to ALTER EXTENSION
UPDATE, to allow the same thing to happen during a manually-commanded
version update, but I have not done that here.)
Tom Lane, reviewed by Andres Freund
Discussion: <20160905005919.jz2m2yh3und2dsuy@alap3.anarazel.de>
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Revert to original use of word “sample”, though with clarification,
per Tom Lane.
Discussion: 29052.1471015383@sss.pgh.pa.us
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This is particularly useful to pass /m, to perform a parallel build.
Christian Ullrich, reviewed by Michael Paquier.
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Previously it less precisely talked about autovacuum.
Backpatch-through: 9.6
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Not much to be said about this patch: it does what it says on the tin.
In passing, rename AlterEnumStmt.skipIfExists to skipIfNewValExists
to clarify what it actually does. In the discussion of this patch
we considered supporting other similar options, such as IF EXISTS
on the type as a whole or IF NOT EXISTS on the target name. This
patch doesn't actually add any such feature, but it might happen later.
Dagfinn Ilmari Mannsåker, reviewed by Emre Hasegeli
Discussion: <CAO=2mx6uvgPaPDf-rHqG8=1MZnGyVDMQeh8zS4euRyyg4D35OQ@mail.gmail.com>
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Document the formerly-undocumented behavior that schema and comment
control-file entries for an extension are honored only during initial
installation, whereas other properties are also honored during updates.
While at it, do some copy-editing on the recently-added docs for CREATE
EXTENSION ... CASCADE, use links for some formerly vague cross references,
and make a couple other minor improvements.
Back-patch to 9.6 where CASCADE was added. The other parts of this
could go further back, but they're probably not important enough to
bother.
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Mostly, explain how row xmin's used to be replaced by FrozenTransactionId
and no longer are. Do a little copy-editing on the side.
Per discussion with Egor Rogov. Back-patch to 9.4 where the behavioral
change occurred.
Discussion: <575D7955.6060209@postgrespro.ru>
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To prevent possibly breaking indexes on enum columns, we must keep
uncommitted enum values from getting stored in tables, unless we
can be sure that any such column is new in the current transaction.
Formerly, we enforced this by disallowing ALTER TYPE ... ADD VALUE
from being executed at all in a transaction block, unless the target
enum type had been created in the current transaction. This patch
removes that restriction, and instead insists that an uncommitted enum
value can't be referenced unless it belongs to an enum type created
in the same transaction as the value. Per discussion, this should be
a bit less onerous. It does require each function that could possibly
return a new enum value to SQL operations to check this restriction,
but there aren't so many of those that this seems unmaintainable.
Andrew Dunstan and Tom Lane
Discussion: <4075.1459088427@sss.pgh.pa.us>
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We previously didn't mention what an LSN actually was.
Simon Riggs and Michael Paquier
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Maybe we ought to make pg_upgrade do this for you, but it won't happen
in 9.6, so call out the need for it as a migration consideration.
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In addition to the existing decimal-milliseconds output value,
display the same value in mm:ss.fff format if it exceeds one second.
Tack on hours and even days fields if the interval is large enough.
This avoids needing mental arithmetic to convert the values into
customary time units.
Corey Huinker, reviewed by Gerdan Santos; bikeshedding by many
Discussion: <CADkLM=dbC4R8sbbuFXQVBFWoJGQkTEW8RWnC0PbW9nZsovZpJQ@mail.gmail.com>
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Michael Paquier
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Be specific about conditions under which we emit >1 copy of message
Craig Ringer
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