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This explains how rsync accomplishes updating standby servers and
clarifies the instructions.
Reported-by: Andreas Joseph Krogh
Discussion: https://postgr.es/m/VisenaEmail.10.2b4049e43870bd16.15d898d696f@tc7-visena
Backpatch-through: 9.5
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This was left around when this text was moved from installation.sgml in
c5ba11f8fb1701441b96a755ea410b96bfe36170.
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Before, only filters of the form "(<ldapsearchattribute>=<user>)"
could be used to search an LDAP server. Introduce ldapsearchfilter
so that more general filters can be configured using patterns, like
"(|(uid=$username)(mail=$username))" and "(&(uid=$username)
(objectClass=posixAccount))". Also allow search filters to be included
in an LDAP URL.
Author: Thomas Munro
Reviewed-By: Peter Eisentraut, Mark Cave-Ayland, Magnus Hagander
Discussion: https://postgr.es/m/CAEepm=0XTkYvMci0WRubZcf_1am8=gP=7oJErpsUfRYcKF2gwg@mail.gmail.com
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Add attribution of trigger transition tables for Thomas Munro.
Reported-by: Thomas Munro
Discussion: https://postgr.es/m/CAEepm=2bDFgr4ut+1-QjKQY4MA=5ek8Ap3nyB19y2tpTL6xxtA@mail.gmail.com
Backpatch-through: 10
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Update attribution of PL/Tcl functions item from Jim Nasby to Karl
Lehenbauer.
Reported-by: Jim Nasby
Discussion: https://postgr.es/m/ed42f3d6-4251-dabc-747f-1ff936763b2b@nasby.net
Backpatch-through: 10
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This is primarily useful for making tests of this utility more
deterministic, to avoid the complexity of starting pg_receivewal as a
deamon in TAP tests.
While this is less useful than the equivalent pg_recvlogical option,
users can as well use it for example to enforce WAL streaming up to a
end-of-backup position, to save only a minimal amount of WAL.
Use this new option to stream WAL data in a deterministic way within a
new set of TAP tests.
Author: Michael Paquier <michael.paquier@gmail.com>
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as implemented in 1356f78ea93395c107cbc75dc923e29a0efccd8a
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Any tuples that don't route to any other partition will route to the
default partition.
Jeevan Ladhe, Beena Emerson, Ashutosh Bapat, Rahila Syed, and Robert
Haas, with review and testing at various stages by (at least) Rushabh
Lathia, Keith Fiske, Amit Langote, Amul Sul, Rajkumar Raghuanshi, Sven
Kunze, Kyotaro Horiguchi, Thom Brown, Rafia Sabih, and Dilip Kumar.
Discussion: http://postgr.es/m/CAH2L28tbN4SYyhS7YV1YBWcitkqbhSWfQCy0G=apRcC_PEO-bg@mail.gmail.com
Discussion: http://postgr.es/m/CAOG9ApEYj34fWMcvBMBQ-YtqR9fTdXhdN82QEKG0SVZ6zeL1xg@mail.gmail.com
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Also, another round of copy-editing. I merged a few items that
didn't seem to be meaningfully different from a user's perspective.
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We've long done our best to sweep this topic under the rug, but in view
of recent work it seems like it's time to explain it more precisely.
Here's an initial cut at doing that.
Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1F6BE40D@G01JPEXMBYT05
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Index columns are referenced by ordinal number rather than name, e.g.
CREATE INDEX coord_idx ON measured (x, y, (z + t));
ALTER INDEX coord_idx ALTER COLUMN 3 SET STATISTICS 1000;
Incompatibility note for release notes:
\d+ for indexes now also displays Stats Target
Authors: Alexander Korotkov, with contribution by Adrien NAYRAT
Review: Adrien NAYRAT, Simon Riggs
Wordsmith: Simon Riggs
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Whitespace use was inconsistent in the same chapter.
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This is not required in SGML, but will be in XML, so this is a step to
prepare for the conversion to XML. (It is still not required to escape
>, but we did it here in some cases for symmetry.)
Add a command-line option to osx/onsgmls calls to warn about unescaped
occurrences in the future.
Author: Alexander Law <exclusion@gmail.com>
Author: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
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Reported-by: mjustin.lists@gmail.com
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This command acts somewhat like \g, but instead of executing the query
buffer, it merely prints a description of the columns that the query
result would have. (Of course, this still requires parsing the query;
if parse analysis fails, you get an error anyway.) We accomplish this
using an unnamed prepared statement, which should be invisible to psql
users.
Pavel Stehule, reviewed by Fabien Coelho
Discussion: https://postgr.es/m/CAFj8pRBhYVvO34FU=EKb=nAF5t3b++krKt1FneCmR0kuF5m-QA@mail.gmail.com
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The parenthesized style has only been used in a few modules. Change
that to use the style that is predominant across the whole tree.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
Reviewed-by: Ryan Murphy <ryanfmurphy@gmail.com>
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This allows the user's environment to set up a psql-specific choice
of pager, in much the same way that we provide PSQL_EDITOR to allow
a psql-specific override of the more widely known EDITOR variable.
Pavel Stehule, reviewed by Thomas Munro
Discussion: https://postgr.es/m/CAFj8pRD3RRk9S1eRbnGm_T6brc3Ss5mohraNzTSJquzx+pmtKA@mail.gmail.com
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We already had a psql variable VERSION that shows the verbose form of
psql's own version. Add VERSION_NAME to show the short form (e.g.,
"11devel") and VERSION_NUM to show the numeric form (e.g., 110000).
Also add SERVER_VERSION_NAME and SERVER_VERSION_NUM to show the short and
numeric forms of the server's version. (We'd probably add SERVER_VERSION
with the verbose string if it were readily available; but adding another
network round trip to get it seems too expensive.)
The numeric forms, in particular, are expected to be useful for scripting
purposes, now that psql can do conditional tests.
Fabien Coelho, reviewed by Pavel Stehule
Discussion: https://postgr.es/m/alpine.DEB.2.20.1704020917220.4632@lancre
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This puts it in sync with psql's notion of what is a valid variable name.
Like psql, we document that "non-Latin letters" are allowed, but actually
any non-ASCII character is accepted.
Fabien Coelho
Discussion: https://postgr.es/m/20170405.094548.1184280384967203518.t-ishii@sraoss.co.jp
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Author: Alexander Lakhin <exclusion@gmail.com>
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Commit a445cb92ef5b3a31313ebce30e18cc1d6e0bdecb removed the default file
names for server-side CRL and CA files, but left them in the docs with a
small note. This removes the note and the previous default names to
clarify, as well as changes mentions of the file names to make it
clearer that they are configurable.
Author: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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Michael Paquier, reviewed by Fabien Coelho
Discussion: http://postgr.es/m/CAB7nPqQcYWmrm2n-dVaMUhYPKFU_DxQwPuUGuC4ZF+8B=dS5xQ@mail.gmail.com
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Commit 0e141c0fbb211bdd23783afa731e3eef95c9ad7a introduced a mechanism
to reduce contention on ProcArrayLock by having a single process clear
XIDs in the procArray on behalf of multiple processes, reducing the
need to hand the lock around. A previous attempt to introduce a similar
mechanism for CLogControlLock in ccce90b398673d55b0387b3de66639b1b30d451b
crashed and burned, but the design problem which resulted in those
failures is believed to have been corrected in this version.
Amit Kapila, with some cosmetic changes by me. See the previous commit
message for additional credits.
Discussion: http://postgr.es/m/CAA4eK1KudxzgWhuywY_X=yeSAhJMT4DwCjroV5Ay60xaeB2Eew@mail.gmail.com
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Commit 9915de6c1cb2 changed the default behavior of
DROP_REPLICATION_SLOT so that it would wait until any session holding
the slot active would release it, instead of raising an error. But
users are already depending on the original behavior, so revert to it by
default and add a WAIT option to invoke the new behavior.
Per complaint from Simone Gotti, in
Discussion: https://postgr.es/m/CAEvsy6Wgdf90O6pUvg2wSVXL2omH5OPC-38OD4Zzgk-FXavj3Q@mail.gmail.com
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Author: Thomas Munro
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This will be useful for hash partitioning, which needs a way to seed
the hash functions to avoid problems such as a hash index on a hash
partitioned table clumping all values into a small portion of the
bucket space; it's also useful for anything that wants a 64-bit hash
value rather than a 32-bit hash value.
Just in case somebody wants a 64-bit hash value that is compatible
with the existing 32-bit hash values, make the low 32-bits of the
64-bit hash value match the 32-bit hash value when the seed is 0.
Robert Haas and Amul Sul
Discussion: http://postgr.es/m/CA+Tgmoafx2yoJuhCQQOL5CocEi-w_uG4S2xT0EtgiJnPGcHW3g@mail.gmail.com
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PG_MODULE_MAGIC has been around since 8.2, with 8.1 long since in EOL,
so remove the mention of #ifdef guards for compiling against pre-8.2
sources from the documentation.
Author: Daniel Gustafsson <daniel@yesql.se>
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Previously, the parallel executor logic did reinitialization of shared
state within the ExecReScan code for parallel-aware scan nodes. This is
problematic, because it means that the ExecReScan call has to occur
synchronously (ie, during the parent Gather node's ReScan call). That is
swimming very much against the tide so far as the ExecReScan machinery is
concerned; the fact that it works at all today depends on a lot of fragile
assumptions, such as that no plan node between Gather and a parallel-aware
scan node is parameterized. Another objection is that because ExecReScan
might be called in workers as well as the leader, hacky extra tests are
needed in some places to prevent unwanted shared-state resets.
Hence, let's separate this code into two functions, a ReInitializeDSM
call and the ReScan call proper. ReInitializeDSM is called only in
the leader and is guaranteed to run before we start new workers.
ReScan is returned to its traditional function of resetting only local
state, which means that ExecReScan's usual habits of delaying or
eliminating child rescan calls are safe again.
As with the preceding commit 7df2c1f8d, it doesn't seem to be necessary
to make these changes in 9.6, which is a good thing because the FDW and
CustomScan APIs are impacted.
Discussion: https://postgr.es/m/CAA4eK1JkByysFJNh9M349u_nNjqETuEnY_y1VUc_kJiU0bxtaQ@mail.gmail.com
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The formatting of the sidebar element didn't carry over to the new tool
chain. Instead of inventing a whole new way of dealing with it, just
convert the one use to a "note".
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As long as PQntuples, PQgetvalue, etc, use "int" for row numbers, we're
pretty much stuck with this limitation. The documentation formerly stated
that the result of PQntuples "might overflow on 32-bit operating systems",
which is just nonsense: that's not where the overflow would happen, and
if you did reach an overflow it would not be on a 32-bit machine, because
you'd have OOM'd long since.
Discussion: https://postgr.es/m/CA+FnnTxyLWyjY1goewmJNxC==HQCCF4fKkoCTa9qR36oRAHDPw@mail.gmail.com
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The explanation about "0" versus "9" format characters was confusing
and arguably wrong; the discussion of sign handling wasn't very good
either. Notably, while it's accurate to say that "FM" strips leading
zeroes in date/time values, what it really does with numeric values
is to strip *trailing* zeroes, and then only if you wrote "9" rather
than "0". Per gripes from Erwin Brandstetter.
Discussion: https://postgr.es/m/CAGHENJ7jgRbTn6nf48xNZ=FHgL2WQ4X8mYsUAU57f-vq8PubEw@mail.gmail.com
Discussion: https://postgr.es/m/CAGHENJ45ymd=GOCu1vwV9u7GmCR80_5tW0fP9C_gJKbruGMHvQ@mail.gmail.com
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Discussion: https://postgr.es/m/CAFcNs+pJ6_Ud-zg3vY_Y0mzfESdM34Humt8avKrAKq_H+v18Cg@mail.gmail.com
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Discussion: https://www.postgresql.org/message-id/flat/20170618071607.GA16418%40nol.local
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As usual, the release notes for other branches will be made by cutting
these down, but put them up for community review first. Note the first
entry is only for 9.4.
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Our documentation hasn't really caught up with the fact that
non-exclusive backups can now be taken using pg_start_backup and
pg_stop_backup even on standbys. Update, also correcting some
errors introduced by 52f8a59dd953c6820baf153e97cf07d31b8ac1d6.
Updates to the 9.6 documentation are needed as well, but that
will need a separate patch as some things are different on that
version.
David Steele, reviewed by Robert Haas and Michael Paquier
Discussion: http://postgr.es/m/d4d951b9-89c0-6bc1-b6ff-d0b2dd5a8966@pgmasters.net
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Author: Vinayak Pokale
Reviewed-By: Masahiko Sawada
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Clarify/correct some error messages, fix up some code comments that
confused SASL and SCRAM, and other minor fixes. No changes in
functionality.
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Reported-by: Basil Bourque <basil.bourque@pobox.com>
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Users can still create them themselves. Instead, document Unicode TR 35
collation options for ICU, so users can create all this themselves.
Reviewed-by: Peter Geoghegan <pg@bowt.ie>
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Install language+region combinations even if they are not distinct from
the language's base locale. This gives better long-term stability of
the set of predefined locales and makes the predefined locales less
implementation-dependent and more practical for users.
Reviewed-by: Peter Geoghegan <pg@bowt.ie>
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Periodically while the server is running, and at shutdown, write out a
list of blocks in shared buffers. When the server reaches consistency
-- unfortunatey, we can't do it before that point without breaking
things -- reload those blocks into any still-unused shared buffers.
Mithun Cy and Robert Haas, reviewed and tested by Beena Emerson,
Amit Kapila, Jim Nasby, and Rafia Sabih.
Discussion: http://postgr.es/m/CAD__OugubOs1Vy7kgF6xTjmEqTR4CrGAv8w+ZbaY_+MZeitukw@mail.gmail.com
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Consistently use the IETF HTML links instead of a random mix of
different sites and formats. Correct one RFC number and fix one broken
link.
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Author: Erik Rijkers <er@xs4all.nl>
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This became possible by commit
6c2003f8a1bbc7c192a2e83ec51581c018aa162f. This just makes pg_dump aware
of it and updates the documentation.
Author: Petr Jelinek <petr.jelinek@2ndquadrant.com>
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Author: Masahiko Sawada <sawada.mshk@gmail.com>
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