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Use perl 'glob' and File::Copy instead of "cp". This takes us one step
closer to running the suite on Windows.
Michael Paquier
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Michael Paquier
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Michael Paquier
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I'd accidentally missed to rename PG_FORCE_NULL to BKI_FORCE_NULL in one
place.
Author: Jeevan Chalke
Discussion: CAM2+6=VPoow5PqgqiTjPX4QNeokb7op8aD_8Zg3QnHZMvvU0GQ@mail.gmail.com
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FORCE option has been marked "obsolete" since very old version 7.4
but existed for backwards compatibility. Per discussion on pgsql-hackers,
we concluded that it's no longer worth keeping supporting the option.
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When certain event-trigger-only functions are called when not in the
wrong context, they were reporting the "feature not supported" SQLSTATE,
which is somewhat misleading. Create a new custom error code for such
uses instead.
Not backpatched since it may be seen as an undesirable behavioral
change.
Author: Michael Paquier
Discussion: https://www.postgresql.org/message-id/CAB7nPqQ-5NAkHQHh_NOm7FPep37NCiLKwPoJ2Yxb8TDoGgbYYA@mail.gmail.com
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It was previously possible to have the launcher re-execute its main loop
before shutting down if some other signal was received or an error
occurred after getting SIGTERM, as reported by Qingqing Zhou.
While investigating, Tom Lane further noticed that if autovacuum had
been disabled in the config file, it would misbehave by trying to start
a new worker instead of bailing out immediately -- it would consider
itself as invoked in emergency mode.
Fix both problems by checking the shutdown flag in a few more places.
These problems have existed since autovacuum was introduced, so
backpatch all the way back.
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Report by Tom Lane
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Previously an odd error message was generated. Nested service files are
not supported.
Report by David Johnston
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Since file_ops.c contains translatable strings, it should have been listed
in GETTEXT_FILES.
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This is consistent with what the new numeric suppor for abbreviated keys
now does, and seems much more convenient than having a separate compiler
define to control this debug output.
Peter Geoghegan
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While gcc doesn't complain if you declare a function "static" and then
define it not-static, other compilers do; and in any case the code is
highly misleading this way. Add the missing "static" keywords to a
couple of recent patches. Per buildfarm member pademelon.
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pg_fatal never returns, so a multi-line message cannot be printed by
calling it twice.
Michael Paquier and Fujii Masao
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Commit a2e35b53 should have removed the variable declaration in the
inner block, but didn't. As a result, the returned address might end up
not being what was intended.
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Don't allow pg_rewind to run as root on Unix platforms, as any new or
replaced files in the data directory would become owned by root. On Windows,
it can run under a user that has Administrator rights, but a restricted
token needs to be used. This is the same we do e.g. in pg_resetxlog.
Also, add missing set_pglocale_pgservice() call, to fix localization.
Michael Paquier and Fujii Masao
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It now also reports temporary objects dropped that are local to the
backend. Previously we weren't reporting any temp objects because it
was deemed unnecessary; but as it turns out, it is necessary if we want
to keep close track of DDL command execution inside one session. Temp
objects are reported as living in schema pg_temp, which works because
such a schema-qualification always refers to the temp objects of the
current session.
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This was already fixed in 0d906798f, but I failed to update the
array-formatted case. This is not backpatched, since this only affects
the code path introduced by commit a676201490c.
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This is a long-standing inconsistency that was probably just missed when
we got 64 bit MSVC builds. This brings the platform into line with all
other systems.
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Reduce lock levels to ShareRowExclusive for the following SQL
CREATE TRIGGER (but not DROP or ALTER)
ALTER TABLE ENABLE TRIGGER
ALTER TABLE DISABLE TRIGGER
ALTER TABLE … ADD CONSTRAINT FOREIGN KEY
Original work by Simon Riggs, extracted and refreshed by Andreas Karlsson
New test cases added by Andreas Karlsson
Reviewed by Noah Misch, Andres Freund, Michael Paquier and Simon Riggs
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Previously we would re-use input subexpressions in all expression trees
attached to a Join plan node. However, if it's an outer join and the
subexpression appears in the nullable-side input, this is potentially
incorrect for apparently-matching subexpressions that came from above
the outer join (ie, targetlist and qpqual expressions), because the
executor will treat the subexpression value as NULL when maybe it should
not be.
The case is fairly hard to hit because (a) you need a non-strict
subexpression (else NULL is correct), and (b) we don't usually compute
expressions in the outputs of non-toplevel plan nodes. But we might do
so if the expressions are sort keys for a mergejoin, for example.
Probably in the long run we should make a more explicit distinction between
Vars appearing above and below an outer join, but that will be a major
planner redesign and not at all back-patchable. For the moment, just hack
set_join_references so that it will not match any non-Var expressions
coming from nullable inputs to expressions that came from above the join.
(This is somewhat overkill, in that a strict expression could still be
matched, but it doesn't seem worth the effort to check that.)
Per report from Qingqing Zhou. The added regression test case is based
on his example.
This has been broken for a very long time, so back-patch to all active
branches.
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Some of the TAP tests were supposing that PG programs would accept switches
after non-switch arguments on their command lines. While GNU getopt_long()
does allow that, our own implementation does not, and it's nowhere
suggested in our documentation that such cases should work. Adjust the
tests to use only the documented syntax.
Back-patch to 9.4, since without this the TAP tests fail when run with
src/port's getopt_long() implementation.
Michael Paquier
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When committing abd94bcac4582903765be7be959d1dbc121df0d0, I tried to make
it decide what kind of abbreviation to use based only on SIZEOF_DATUM,
without regard to USE_FLOAT8_BYVAL. That attempt was a few bricks short
of a load, so try to fix it, and add a comment explaining what we're
about.
Patch by me; review (but not a full endorsement) by Andrew Gierth.
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Commit ed9cc2b5df59fdbc50cce37399e26b03ab2c1686 made it unnecessary to pass
start_nblkno to _hash_splitbucket(), and for that matter unnecessary to
have the internal nblkno variable either. My compiler didn't complain
about that, but some did. I also rearranged the use of oblkno a bit to
make that case more parallel.
Report and initial patch by Petr Jelinek, rearranged a bit by me.
Back-patch to all branches, like the previous patch.
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This lets later stages have access to the transformed expression; in
particular it allows DDL-deparsing code during event triggers to pass
the transformed expression to ruleutils.c, so that the complete command
can be deparsed.
This shuffles the timing of the transform calls a bit: previously,
nothing was transformed during parse analysis, and only the
RELKIND_RELATION case was being handled during execution. After this
patch, all expressions are transformed during parse analysis (including
those for relkinds other than RELATION), and the error for other
relation kinds is thrown only during execution. So we do more work than
before to reject some bogus cases. That seems acceptable.
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This is useful to control autovacuum log volume, for situations where
monitoring only a set of tables is necessary.
Author: Michael Paquier
Reviewed by: A team led by Naoya Anzai (also including Akira Kurosawa,
Taiki Kondo, Huong Dangminh), Fujii Masao.
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They have historically ignored it, but it's been said to be useful at
times to change their settings mid-flight.
Author: Michael Paquier
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Similarly to previous fix 9b8d478, commit 2c03216 has switched
XLogReaderAllocate() to use a set of palloc calls instead of malloc,
causing any callers of this function to fail with an error instead of
receiving a NULL pointer in case of out-of-memory error. Fix this by
using palloc_extended with MCXT_ALLOC_NO_OOM that will safely return
NULL in case of an OOM.
Michael Paquier, slightly modified by me.
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Be more aggressive about aborting early on if it looks like it's not
helping, but be less aggressive about aborting later on, since it's
more expensive at that point, and also since we're currently aborting
in some cases where abbreviation can still deliver a substantial win.
Peter Geoghegan. Extensive testing by Tomas Vondra.
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Commit 2c03216 changed allocate_recordbuf() so that it uses a palloc to
allocate the read buffer and fails immediately when an out-of-memory error
shows up, even though its callers still expect that NULL is returned in that
case. This bug is fixed making allocate_recordbuf() use a palloc_extended
with MCXT_ALLOC_NO_OOM flag and return NULL in OOM case.
Michael Paquier
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This commit also adds pg_malloc_extended for frontend. These interfaces
can be used to control at a lower level memory allocation using an interface
similar to MemoryContextAllocExtended. For example, the callers can specify
MCXT_ALLOC_NO_OOM if they want to suppress the "out of memory" error while
allocating the memory and handle a NULL return value.
Michael Paquier, reviewed by me.
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While a new backend nominally participates in sinval signaling starting
from the SharedInvalBackendInit call near the top of InitPostgres, it
cannot recognize sinval messages for unshared catalogs of its database
until it has set up MyDatabaseId. This is not problematic for the catcache
or relcache, which by definition won't have loaded any data from or about
such catalogs before that point. However, commit 568d4138c646cd7c
introduced a mechanism for re-using MVCC snapshots for catalog scans, and
made invalidation of those depend on recognizing relevant sinval messages.
So it's possible to establish a catalog snapshot to read pg_authid and
pg_database, then before we set MyDatabaseId, receive sinval messages that
should result in invalidating that snapshot --- but do not, because we
don't realize they are for our database. This mechanism explains the
intermittent buildfarm failures we've seen since commit 31eae6028eca4365.
That commit was not itself at fault, but it introduced a new regression
test that does reconnections concurrently with the "vacuum full pg_am"
command in vacuum.sql. This allowed the pre-existing error to be exposed,
given just the right timing, because we'd fail to update our information
about how to access pg_am. In principle any VACUUM FULL on a system
catalog could have created a similar hazard for concurrent incoming
connections. Perhaps there are more subtle failure cases as well.
To fix, force invalidation of the catalog snapshot as soon as we've
set MyDatabaseId.
Back-patch to 9.4 where the error was introduced.
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Amit Khandekar
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Andrew Gierth, reviewed by Peter Geoghegan, with further tweaks by me.
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Commit 0d831389749a3 inadvertently reversed the meaning of the
wraparound variable. This causes vacuums which are not required for
wraparound to wait for locks to be acquired, and what is worse, it
allows wraparound vacuums to skip locked pages.
Bug reported by Jeff Janes in
http://www.postgresql.org/message-id/CAMkU=1xmTEiaY=5oMHsSQo5vd9V1Ze4kNLL0qN2eH0P_GXOaYw@mail.gmail.com
Analysis and patch by Kyotaro HORIGUCHI
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These were inadvertently ommitted from the commit that introduced
abbreviated keys, commit 4ea51cdfe85ceef8afabceb03c446574daa0ac23.
Peter Geoghegan
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In 83ff1618 we defined integer limits iff they're not provided by the
system. That turns out not to be the greatest idea because there's
different ways some datatypes can be represented. E.g. on OSX PG's 64bit
datatype will be a 'long int', but OSX unconditionally uses 'long
long'. That disparity then can lead to warnings, e.g. around printf
formats.
One way to fix that would be to back int64 using stdint.h's
int64_t. While a good idea it's not that easy to implement. We would
e.g. need to include stdint.h in our external headers, which we don't
today. Also computing the correct int64 printf formats in that case is
nontrivial.
Instead simply prefix the integer limits with PG_ and define them
unconditionally. I've adjusted all the references to them in code, but
not the ones in comments; the latter seems unnecessary to me.
Discussion: 20150331141423.GK4878@alap3.anarazel.de
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This is the second try at this, after fcef1617295 failed miserably and
had to be reverted: as it turns out, libpq cannot depend on libpgcommon
after all. Instead of shuffling code in the master branch, make that one
just like 9.4 and accept the duplication. (This was all my own mistake,
not the patch submitter's).
psql was already accepting conninfo strings as the first parameter in
\connect, but the way it worked wasn't sane; some of the other
parameters would get the previous connection's values, causing it to
connect to a completely unexpected server or, more likely, not finding
any server at all because of completely wrong combinations of
parameters.
Fix by explicitely checking for a conninfo-looking parameter in the
dbname position; if one is found, use its complete specification rather
than mix with the other arguments. Also, change tab-completion to not
try to complete conninfo/URI-looking "dbnames" and document that
conninfos are accepted as first argument.
There was a weak consensus to backpatch this, because while the behavior
of using the dbname as a conninfo is nowhere documented for \connect, it
is reasonable to expect that it works because it does work in many other
contexts. Therefore this is backpatched all the way back to 9.0.
Author: David Fetter, Andrew Dunstan. Some editorialization by me
(probably earning a Gierth's "Sloppy" badge in the process.)
Reviewers: Andrew Gierth, Erik Rijkers, Pavel Stěhule, Stephen Frost,
Robert Haas, Andrew Dunstan.
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Amit Kapila
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This reverts commit fcef1617295c074f2684c887627184d2fc26ac04, about
which both the buildfarm and my local machine are very unhappy.
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psql was already accepting conninfo strings as the first parameter in
\connect, but the way it worked wasn't sane; some of the other
parameters would get the previous connection's values, causing it to
connect to a completely unexpected server or, more likely, not finding
any server at all because of completely wrong combinations of
parameters.
Fix by explicitely checking for a conninfo-looking parameter in the
dbname position; if one is found, use its complete specification rather
than mix with the other arguments. Also, change tab-completion to not
try to complete conninfo/URI-looking "dbnames" and document that
conninfos are accepted as first argument.
There was a weak consensus to backpatch this, because while the behavior
of using the dbname as a conninfo is nowhere documented for \connect, it
is reasonable to expect that it works because it does work in many other
contexts. Therefore this is backpatched all the way back to 9.0.
To implement this, routines previously private to libpq have been
duplicated so that psql can decide what looks like a conninfo/URI
string. In back branches, just duplicate the same code all the way back
to 9.2, where URIs where introduced; 9.0 and 9.1 have a simpler version.
In master, the routines are moved to src/common and renamed.
Author: David Fetter, Andrew Dunstan. Some editorialization by me
(probably earning a Gierth's "Sloppy" badge in the process.)
Reviewers: Andrew Gierth, Erik Rijkers, Pavel Stěhule, Stephen Frost,
Robert Haas, Andrew Dunstan.
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This patch fills in the formerly-stub networksel() and networkjoinsel()
estimation functions. Those are used for << <<= >> >>= and && operators
on inet/cidr types. The estimation is not perfect, certainly, because
we rely on the existing statistics collected for the inet btree operators.
But it's a long way better than nothing, and it's not clear that asking
ANALYZE to collect separate stats for these operators would be a win.
Emre Hasegeli, with reviews from Dilip Kumar and Heikki Linnakangas,
and some further hacking by me
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They were accidentally placed under the GIN heading.
Andreas Karlsson
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The commit 0badb06 changed the default shutdown mode from smart to fast,
but forgot to change the default shutdown signal from SIGTERM to SIGINT.
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Report by Peter Eisentraut
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Retain the order of the options in the documentation.
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