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Source-Git-URL: git://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: 1c361d3ac016b61715d99f2055dee050397e3f13
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Create a wrapper object, ParallelSlotArray, to encapsulate the
number of slots and the slot array itself, plus some other relevant
bits of information. This reduces the number of parameters we have
to pass around all over the place.
Allow for a ParallelSlotArray to contain slots connected to
different databases within a single cluster. The current clients
of this mechanism don't need this, but it is expected to be used
by future patches.
Defer connecting to databases until we actually need the connection
for something. This is a slight behavior change for vacuumdb and
reindexdb. If you specify a number of jobs that is larger than the
number of objects, the extra connections will now not be used.
But, on the other hand, if you specify a number of jobs that is
so large that it's going to fail, the failure would previously have
happened before any operations were actually started, and now it
won't.
Mark Dilger, reviewed by me.
Discussion: http://postgr.es/m/12ED3DA8-25F0-4B68-937D-D907CFBF08E7@enterprisedb.com
Discussion: http://postgr.es/m/BA592F2D-F928-46FF-9516-2B827F067F57@enterprisedb.com
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This option provides REINDEX (TABLESPACE) for reindexdb, applying the
tablespace value given by the caller to all the REINDEX queries
generated.
While on it, this commit adds some tests for REINDEX TABLESPACE, with
and without CONCURRENTLY, when run on toast indexes and tables. Such
operations are not allowed, and toast relation names are not stable
enough to be part of the main regression test suite (even if using a PL
function with a TRY/CATCH logic, as CONCURRENTLY could not be tested).
Author: Michael Paquier
Reviewed-by: Mark Dilger, Daniel Gustafsson
Discussion: https://postgr.es/m/YDiaDMnzLICqeukl@paquier.xyz
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The same test for REINDEX (VERBOSE) was done twice, while it is clear
that the second test should use --concurrently. Issue introduced in
5dc92b8, for what looks like a copy-paste mistake.
Reviewed-by: Mark Dilger
Discussion: https://postgr.es/m/A7AE97EA-F4B0-4CAB-8FFF-3FECD31F9D63@enterprisedb.com
Backpatch-through: 12
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This option controls if toast tables associated with a relation are
vacuumed or not when running a manual VACUUM. It was already possible
to trigger a manual VACUUM on a toast relation without processing its
main relation, but a manual vacuum on a main relation always forced a
vacuum on its toast table. This is useful in scenarios where the level
of bloat or transaction age of the main and toast relations differs a
lot.
This option is an extension of the existing VACOPT_SKIPTOAST that was
used by autovacuum to control if toast relations should be skipped or
not. This internal flag is renamed to VACOPT_PROCESS_TOAST for
consistency with the new option.
A new option switch, called --no-process-toast, is added to vacuumdb.
Author: Nathan Bossart
Reviewed-by: Kirk Jamison, Michael Paquier, Justin Pryzby
Discussion: https://postgr.es/m/BA8951E9-1524-48C5-94AF-73B1F0D7857F@amazon.com
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Instead of having a hard-coded behavior that we ignore missing
tables and report all other errors, let the caller decide what
to do by setting a callback.
Mark Dilger, reviewed and somewhat revised by me. The larger patch
series of which this is a part has also had review from Peter
Geoghegan, Andres Freund, Álvaro Herrera, Michael Paquier, and Amul
Sul, but I don't know whether any of them have reviewed this bit
specifically.
Discussion: http://postgr.es/m/12ED3DA8-25F0-4B68-937D-D907CFBF08E7@enterprisedb.com
Discussion: http://postgr.es/m/5F743835-3399-419C-8324-2D424237E999@enterprisedb.com
Discussion: http://postgr.es/m/70655DF3-33CE-4527-9A4D-DDEB582B6BA0@enterprisedb.com
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The parallel slots infrastructure (which implements client-side
multiplexing of server connections doing similar things, not
threading or multiple processes or anything like that) are moved from
src/bin/scripts/scripts_parallel.c to src/fe_utils/parallel_slot.c.
The functions consumeQueryResult() and processQueryResult() which were
previously part of src/bin/scripts/common.c are now moved into that
file as well, becoming static helper functions. This might need to be
changed in the future, but currently they're not used for anything
else.
Some other functions from src/bin/scripts/common.c are moved to to
src/fe_utils and are split up among several files. connectDatabase(),
connectMaintenanceDatabase(), and disconnectDatabase() are moved to
connect_utils.c. executeQuery(), executeCommand(), and
executeMaintenanceCommand() are move to query_utils.c.
handle_help_version_opts() is moved to option_utils.c.
Mark Dilger, reviewed by me. The larger patch series of which this is
a part has also had review from Peter Geoghegan, Andres Freund, Álvaro
Herrera, Michael Paquier, and Amul Sul, but I don't know whether any
of them have reviewed this bit specifically.
Discussion: http://postgr.es/m/12ED3DA8-25F0-4B68-937D-D907CFBF08E7@enterprisedb.com
Discussion: http://postgr.es/m/5F743835-3399-419C-8324-2D424237E999@enterprisedb.com
Discussion: http://postgr.es/m/70655DF3-33CE-4527-9A4D-DDEB582B6BA0@enterprisedb.com
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libpq's error messages for connection failures pretty well stand on
their own, especially since commits 52a10224e/27a48e5a1. Prefixing
them with 'could not connect to database "foo"' or the like is just
redundant, and perhaps even misleading if the specific database name
isn't relevant to the failure. (When it is, we trust that the
backend's error message will include the DB name.) Indeed, psql
hasn't used any such prefix in a long time. So, make all our other
programs and documentation examples agree with psql's practice.
Discussion: https://postgr.es/m/1094524.1611266589@sss.pgh.pa.us
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We found last February that the error-case tests added by commit
008cf0409 failed on OpenBSD, because that platform doesn't really
check locale names. At the time it seemed that that was only an issue
for LC_CTYPE, but testing on a more recent version of OpenBSD shows
that it's now equally lax about LC_COLLATE.
Rather than dropping the LC_COLLATE test too, put back LC_CTYPE
(reverting c4b0edb07), and adjust these tests to accept the different
error message that we get if setlocale() doesn't reject a bogus locale
name. The point of these tests is not really what the backend does
with the locale name, but to show that createdb quotes funny locale
names safely; so we're not losing test reliability this way.
Back-patch as appropriate.
Discussion: https://postgr.es/m/231373.1610058324@sss.pgh.pa.us
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Backpatch-through: 9.5
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When told to process all databases, clusterdb, reindexdb, and vacuumdb
would reconnect by replacing their --maintenance-db parameter with the
name of the target database. If that parameter is a connstring (which
has been allowed for a long time, though we failed to document that
before this patch), we'd lose any other options it might specify, for
example SSL or GSS parameters, possibly resulting in failure to connect.
Thus, this is the same bug as commit a45bc8a4f fixed in pg_dump and
pg_restore. We can fix it in the same way, by using libpq's rules for
handling multiple "dbname" parameters to add the target database name
separately. I chose to apply the same refactoring approach as in that
patch, with a struct to handle the command line parameters that need to
be passed through to connectDatabase. (Maybe someday we can unify the
very similar functions here and in pg_dump/pg_restore.)
Per Peter Eisentraut's comments on bug #16604. Back-patch to all
supported branches.
Discussion: https://postgr.es/m/16604-933f4b8791227b15@postgresql.org
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A number of places were using appendStringInfo() when they could have been
using appendStringInfoString() instead. While there's no functionality
change there, it's just more efficient to use appendStringInfoString()
when no formatting is required. Likewise for some
appendStringInfoString() calls which were just appending a single char.
We can just use appendStringInfoChar() for that.
Additionally, many places were using appendPQExpBuffer() when they could
have used appendPQExpBufferStr(). Change those too.
Patch by Zhijie Hou, but further searching by me found significantly more
places that deserved the same treatment.
Author: Zhijie Hou, David Rowley
Discussion: https://postgr.es/m/cb172cf4361e4c7ba7167429070979d4@G08CNEXMBPEKD05.g08.fujitsu.local
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Fix some more things scan-build pointed to as dead stores. In some of
these cases, rearranging the code a little leads to more readable
code IMO. It's all cosmetic, though.
Discussion: https://postgr.es/m/CAEudQAo1+AcGppxDSg8k+zF4+Kv+eJyqzEDdbpDg58-=MQcerQ@mail.gmail.com
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This patch started out with the goal of harmonizing various arbitrary
limits on password length, but after awhile a better idea emerged:
let's just get rid of those fixed limits.
recv_password_packet() has an arbitrary limit on the packet size,
which we don't really need, so just drop it. (Note that this doesn't
really affect anything for MD5 or SCRAM password verification, since
those will hash the user's password to something shorter anyway.
It does matter for auth methods that require a cleartext password.)
Likewise remove the arbitrary error condition in pg_saslprep().
The remaining limits are mostly in client-side code that prompts
for passwords. To improve those, refactor simple_prompt() so that
it allocates its own result buffer that can be made as big as
necessary. Actually, it proves best to make a separate routine
pg_get_line() that has essentially the semantics of fgets(), except
that it allocates a suitable result buffer and hence will never
return a truncated line. (pg_get_line has a lot of potential
applications to replace randomly-sized fgets buffers elsewhere,
but I'll leave that for another patch.)
I built pg_get_line() atop stringinfo.c, which requires moving
that code to src/common/; but that seems fine since it was a poor
fit for src/port/ anyway.
This patch is mostly mine, but it owes a good deal to Nathan Bossart
who pressed for a solution to the password length problem and
created a predecessor patch. Also thanks to Peter Eisentraut and
Stephen Frost for ideas and discussion.
Discussion: https://postgr.es/m/09512C4F-8CB9-4021-B455-EF4C4F0D55A0@amazon.com
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Any libpq client can use the header. Clients include backend components
postgres_fdw, dblink, and logical replication apply worker. Back-patch
to v10, because another fix needs this. In released branches, just copy
the header and keep the original.
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Both INDEX_CLEANUP and TRUNCATE have been available since v12, and are
enabled by default except if respectively vacuum_index_cleanup and
vacuum_truncate are disabled for a given relation. This change adds
support for disabling these options from vacuumdb.
Author: Nathan Bossart
Reviewed-by: Michael Paquier, Masahiko Sawada
Discussion: https://postgr.es/m/6F7F17EF-B1F2-4681-8D03-BA96365717C0@amazon.com
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As it stands, this flag is only set when we've successfully sent a
cancel request, not if we get SIGINT and then fail to send a cancel.
However, for almost all callers, that's the Wrong Thing: we'd prefer
to abort processing after control-C even if no cancel could be sent.
As an example, since commit 1d468b9ad "pgbench -i" fails to give up
sending COPY data even after control-C, if the postmaster has been
stopped, which is clearly not what the code intends and not what anyone
would want. (The fact that it keeps going at all is the fault of a
separate bug in libpq, but not letting CancelRequested become set is
clearly not what we want here.)
The sole exception, as far as I can find, is that scripts_parallel.c's
ParallelSlotsGetIdle tries to consume a query result after issuing a
cancel, which of course might not terminate quickly if no cancel
happened. But that behavior was poorly thought out too. No user of
ParallelSlotsGetIdle tries to continue processing after a cancel,
so there is really no point in trying to clear the connection's state.
Moreover this has the same defect as for other users of cancel.c,
that if the cancel request fails for some reason then we end up with
control-C being completely ignored. (On top of that, select_loop failed
to distinguish clearly between SIGINT and other reasons for select(2)
failing, which means that it's possible that the existing code would
think that a cancel has been sent when it hasn't.)
Hence, redefine CancelRequested as simply meaning that SIGINT was
received. We could add a second flag with the other meaning, but
in the absence of any compelling argument why such a flag is needed,
I think it would just offer an opportunity for future callers to
get it wrong. Also remove the consumeQueryResult call in
ParallelSlotsGetIdle's failure exit. In passing, simplify the
API of select_loop.
It would now be possible to re-unify psql's cancel_pressed with
CancelRequested, partly undoing 5d43c3c54. But I'm not really
convinced that that's worth the trouble, so I left psql alone,
other than fixing a misleading comment.
This code is new in v13 (cf a4fd3aa71), so no need for back-patch.
Per investigation of a complaint from Andres Freund.
Discussion: https://postgr.es/m/20200603201242.ofvm4jztpqytwfye@alap3.anarazel.de
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: 031ca65d7825c3e539a3e62ea9d6630af12e6b6b
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Includes some manual cleanup of places that pgindent messed up,
most of which weren't per project style anyway.
Notably, it seems some people didn't absorb the style rules of
commit c9d297751, because there were a bunch of new occurrences
of function calls with a newline just after the left paren, all
with faulty expectations about how the rest of the call would get
indented.
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Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git
Source-Git-Hash: 80d8f54b3c5533ec036404bd3c3b24ff4825d037
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*in* database, *in* cluster, *on* server; and some related fixes
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Per emerging standard in GNU programs and elsewhere. Autoconf already
has support for specifying a home page, so we can just that.
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://www.postgresql.org/message-id/flat/8d389c5f-7fb5-8e48-9a4a-68cec44786fa%402ndquadrant.com
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Use the PACKAGE_BUGREPORT macro that is created by Autoconf for
referring to the bug reporting address rather than hardcoding it
everywhere. This makes it easier to change the address and it reduces
translation work.
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://www.postgresql.org/message-id/flat/8d389c5f-7fb5-8e48-9a4a-68cec44786fa%402ndquadrant.com
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OpenBSD falls back to "C" when using an incorrect input with setlocale()
and LC_CTYPE, causing this test, introduced by 008cf04, to fail. This
removes the culprit test to avoid the portability issue.
Per report from Robert Haas, via buildfarm member curculio.
Discussion: https://postgr.es/m/CA+TgmoZ6ddh3mHD9gU8DvNYoFmuJaYYn1+4AvZNp25vTdRwCAQ@mail.gmail.com
Backpatch-through: 11
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The original coding failed to properly quote those arguments, leading to
failures when using quotes in the values used. As the quoting can be
encoding-sensitive, the connection to the backend needs to be taken
before applying the correct quoting.
Author: Michael Paquier
Reviewed-by: Daniel Gustafsson
Discussion: https://postgr.es/m/20200214041004.GB1998@paquier.xyz
Backpatch-through: 9.5
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The original coding failed to quote the argument properly.
Reported-by: Daniel Gustafsson
Discussion: 1B8AE66C-85AB-4728-9BB4-612E8E61C219@yesql.se
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Commit 40d964ec99 allowed vacuum command to leverage multiple CPUs by
invoking parallel workers to process indexes. This commit provides a
'--parallel' option to specify the parallel degree used by vacuum command.
Author: Masahiko Sawada, with few modifications by me
Reviewed-by: Mahendra Singh and Amit Kapila
Discussion: https://postgr.es/m/CAD21AoDTPMgzSkV4E3SFo1CH_x50bf5PqZFQf4jmqjk-C03BWg@mail.gmail.com
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Backpatch-through: update all files in master, backpatch legal files through 9.4
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We already had it on the backend. Frontend can also use it now.
Discussion: https://postgr.es/m/20191204144021.GA17976@alvherre.pgsql
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This variable is now part of the refactored code for query cancellation
in fe_utils. This fixes an oversight in commit a4fd3aa. While on it,
improve some header includes in bin/scripts/.
Author: Michael Paquier
Reviewed-by: Fabien Coelho
Discussion: https://postgr.es/m/20191203101625.GF1634@paquier.xyz
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Originally, this code was duplicated in src/bin/psql/ and
src/bin/scripts/, but it can be useful for other frontend applications,
like pgbench. This refactoring offers the possibility to setup a custom
callback which would get called in the signal handler for SIGINT or when
the interruption console events happen on Windows.
Author: Fabien Coelho, with contributions from Michael Paquier
Reviewed-by: Álvaro Herrera, Ibrar Ahmed
Discussion: https://postgr.es/m/alpine.DEB.2.21.1910311939430.27369@lancre
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This commit revert the commits to add a test case that tests the 'force'
option when there is an active backend connected to the database being
dropped.
This feature internally sends SIGTERM to all the backends connected to the
database being dropped and then the same is reported to the client. We
found that on Windows, the client end of the socket is not able to read
the data once we close the socket in the server which leads to loss of
error message which is not what we expect. We also observed similar
behavior in other cases like pg_terminate_backend(),
pg_ctl kill TERM <pid>. There are probably a few others like that. The
fix for this requires further study.
Discussion: https://postgr.es/m/E1iaD8h-0004us-K9@gemulon.postgresql.org
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This will test that the force option works when there is an active backend
connected to the database being dropped.
Author: Pavel Stehule and Vignesh C
Reviewed-by: Amit Kapila and Vignesh C
Discussion: https://postgr.es/m/CAP_rwwmLJJbn70vLOZFpxGw3XD7nLB_7+NKz46H5EOO2k5H7OQ@mail.gmail.com
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Similar to commits 14aec03502, 7e735035f2 and dddf4cdc33, this commit
makes the order of header file inclusion consistent in more places.
Author: Vignesh C
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/CALDaNm2Sznv8RR6Ex-iJO6xAdsxgWhCoETkaYX=+9DW3q0QCfA@mail.gmail.com
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Specifying '-f' will add the 'force' option to the DROP DATABASE command
sent to the server. This will try to terminate all existing connections
to the target database before dropping it.
Author: Pavel Stehule
Reviewed-by: Vignesh C and Amit Kapila
Discussion: https://postgr.es/m/CAP_rwwmLJJbn70vLOZFpxGw3XD7nLB_7+NKz46H5EOO2k5H7OQ@mail.gmail.com
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8ae0d47 marked those options as obsolete back in 2005, with the options
removed from the documentation. This removes the last references to
both options in the code which were kept around for compatibility
purposes with past commands.
Author: Alexander Lakhin
Discussion: https://postgr.es/m/5da284a2-62d9-e338-88d1-26ee5009d93e@gmail.com
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FD_SETSIZE needs to be declared before winsock2.h, or it is possible to
run into buffer overflow issues when using --jobs. This is similar to
pgbench's solution done in a23c641.
This has been introduced by 71d84ef, and older versions have been using
the default value of FD_SETSIZE, defined at 64.
Per buildfarm member jacana, but this impacts all Windows animals
running the TAP tests. I have reproduced the failure locally to check
the patch.
Author: Michael Paquier
Reviewed-by: Andrew Dunstan
Discussion: https://postgr.es/m/20190826054000.GE7005@paquier.xyz
Backpatch-through: 9.5
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When trying to use a high number of jobs, vacuumdb (and more recently
reindexdb) has only checked for a maximum number of jobs used, causing
confusing failures when running out of file descriptors when the jobs
open connections to Postgres. This commit changes the error handling so
as we do not check anymore for a maximum number of allowed jobs when
parsing the option value with FD_SETSIZE, but check instead if a file
descriptor is within the supported range when opening the connections
for the jobs so as this is detected at the earliest time possible.
Also, improve the error message to give a hint about the number of jobs
recommended, using a wording given by the reviewers of the patch.
Reported-by: Andres Freund
Author: Michael Paquier
Reviewed-by: Andres Freund, Álvaro Herrera, Tom Lane
Discussion: https://postgr.es/m/20190818001858.ho3ev4z57fqhs7a5@alap3.anarazel.de
Backpatch-through: 9.5
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FD_SETSIZE is included in sys/select.h per POSIX, and this header
inclusion has been moved to scripts_parallel.c as of 5f38403 without
moving the variable, causing a compilation failure on recent versions of
OpenBSD (6.6 was the version used in the report).
In order to take care of the failure, move FD_SETSIZE directly to
scripts_parallel.c with a wrapper controlling the maximum number of
parallel slots supported, based on a suggestion by Andres Freund.
While on it, reduce the maximum number to be less than FD_SETSIZE,
leaving some room for stdin, stdout and such as they consume some file
descriptors.
The buildfarm did not complain about that, as it happens to only be
an issue on recent versions of OpenBSD and there is no coverage in this
area. 51c3e9f fixed a similar set of issues.
Bug: #15964
Reported-by: Sean Farrell
Discussion: https://postgr.es/m/15964-c1753bdfed722e04@postgresql.org
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Needs libpq-fe.h for references to PGConn.
Discussion: https://postgr.es/m/17463.1566153454@sss.pgh.pa.us
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When building a list of relations for a parallel processing of a schema
or a database (or just a single-entry list for the non-parallel case
with the database name), the list is allocated and built on-the-fly for
each database processed, leaking after one database-level reindex is
done. This accumulates leaks when processing all databases, and could
become a visible issue with thousands of relations.
This is fixed by introducing a new routine in simple_list.c to free all
the elements in a simple list made of strings or OIDs. The header of
the list may be using a variable declaration or an allocated pointer,
so we don't have a routine to free this part to keep the interface
simple.
Per report from coverity for an issue introduced by 5ab892c, and
valgrind complains about the leak as well. The idea to introduce a new
routine in simple_list.c is from Tom Lane.
Author: Michael Paquier
Reviewed-by: Tom Lane
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When doing a schema-level or a database-level operation, a list of
relations to build is created which gets processed in parallel using
multiple connections, based on the recent refactoring for parallel slots
in src/bin/scripts/. System catalogs are processed first in a
serialized fashion to prevent deadlocks, followed by the rest done in
parallel.
This new option is not compatible with --system as reindexing system
catalogs in parallel can lead to deadlocks, and with --index as there is
no conflict handling for indexes rebuilt in parallel depending in the
same relation.
Author: Julien Rouhaud
Reviewed-by: Sergei Kornilov, Michael Paquier
Discussion: https://postgr.es/m/CAOBaU_YrnH_Jqo46NhaJ7uRBiWWEcS40VNRQxgFbqYo9kApUsg@mail.gmail.com
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Oversight in 5f384037.
Author: Álvaro Herrera
Discussion: https://postgr.es/m/20190722151806.GA22634@alvherre.pgsql
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The existing facility of vacuumdb to handle parallel connections into a
given database with an authentication set is moved to a common file in
src/bin/scripts/, named scripts_parallel.c. This introduces a set of
routines to initialize, wait and terminate a set of connections,
simplifying a bit the code of vacuumdb on the way. More routines
related to result handling and database connection are moved to
common.c.
The initial plan is to use that for reindexdb, but it could be applied
to other tools like clusterdb.
While on it, clean up a set of variables "progname" which were defined
as routine arguments for error messages. Since most of the callers have
switched to pg_log_error() and such there is no need for this variable.
Author: Julien Rouhaud
Reviewed-by: Michael Paquier, Álvaro Herrera
Discussion: https://postgr.es/m/CAOBaU_YrnH_Jqo46NhaJ7uRBiWWEcS40VNRQxgFbqYo9kApUsg@mail.gmail.com
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