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The internal queue of buffers could become corrupted in a rare edge case
that failed to invalidate an entry, causing a stale buffer to be
"forwarded" to StartReadBuffers(). This is a simple fix for the
immediate problem.
A small API change might be able to remove this and related fragility
entirely, but that will have to wait a bit.
Defect in commit ed0b87ca.
Bug: 19006
Backpatch-through: 18
Reported-by: Alexander Lakhin <exclusion@gmail.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Xuneng Zhou <xunengzhou@gmail.com>
Discussion: https://postgr.es/m/19006-80fcaaf69000377e%40postgresql.org
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Fix a couple more places where an explicit Datum conversion
is needed (not clear how we missed these in ff89e182d and
previous commits).
Replace the minority usage "(Datum) NULL" with "(Datum) 0".
The former depends on the assumption that Datum is the same
width as Pointer, the latter doesn't. Anyway consistency
is a good thing.
This is, I believe, the last of the notational mop-up needed
before we can consider changing Datum to uint64 everywhere.
It's also important cleanup for more aggressive ideas such
as making Datum a struct.
Discussion: https://postgr.es/m/1749799.1752797397@sss.pgh.pa.us
Discussion: https://postgr.es/m/8246d7ff-f4b7-4363-913e-827dadfeb145@eisentraut.org
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Add various missing conversions from and to Datum. The previous code
mostly relied on implicit conversions or its own explicit casts
instead of using the correct DatumGet*() or *GetDatum() functions.
We think these omissions are harmless. Some actual bugs that were
discovered during this process have been committed
separately (80c758a2e1d, fd2ab03fea2).
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/8246d7ff-f4b7-4363-913e-827dadfeb145%40eisentraut.org
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Remove useless DatumGetFoo() and FooGetDatum() calls. These are
places where no conversion from or to Datum was actually happening.
We think these extra calls covered here were harmless. Some actual
bugs that were discovered during this process have been committed
separately (80c758a2e1d, 2242b26ce47).
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/8246d7ff-f4b7-4363-913e-827dadfeb145%40eisentraut.org
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before checking ->has_scram_keys. MyProcPort is NULL in background
workers. So this could crash for example if a background worker
accessed a suitable configured foreign table.
Author: Alexander Pyhalov <a.pyhalov@postgrespro.ru>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Matheus Alcantara <matheusssilv97@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/27b29a35-9b96-46a9-bc1a-914140869dac%40gmail.com
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Commit 1443b6c0e introduced buildfarm breakage for Autoconf animals,
which expect to be able to run `make installcheck` on the libpq-oauth
directory even if libcurl support is disabled. Some other Meson animals
complained of a missing -lm link as well.
Since this is the day before a freeze, revert for now and come back
later.
Discussion: https://postgr.es/m/CAOYmi%2BnCkoh3zB%2BGkZad44%3DFNskwUg6F1kmuxqQZzng7Zgj5tw%40mail.gmail.com
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To better record the internal behaviors of oauth-curl.c, add a unit test
suite for the socket and timer handling code. This is all based on TAP
and driven by our existing Test::More infrastructure.
Reviewed-by: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>
Discussion: https://postgr.es/m/CAOYmi+nDZxJHaWj9_jRSyf8uMToCADAmOfJEggsKW-kY7aUwHA@mail.gmail.com
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Tracking down the bugs that led to the addition of comb_multiplexer()
and drain_timer_events() was difficult, because an inefficient flow is
not visibly different from one that is working properly. To help
maintainers notice when something has gone wrong, track the number of
calls into the flow as part of debug mode, and print the total when the
flow finishes.
A new test makes sure the total count is less than 100. (We expect
something on the order of 10.) This isn't foolproof, but it is able to
catch several regressions in the logic of the prior two commits, and
future work to add TLS support to the oauth_validator test server should
strengthen it as well.
Backpatch-through: 18
Discussion: https://postgr.es/m/CAOYmi+nDZxJHaWj9_jRSyf8uMToCADAmOfJEggsKW-kY7aUwHA@mail.gmail.com
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In a case similar to the previous commit, an expired timer can remain
permanently readable if Curl does not remove the timeout itself. Since
that removal isn't guaranteed to happen in real-world situations,
implement drain_timer_events() to reset the timer before calling into
drive_request().
Moving to drain_timer_events() happens to fix a logic bug in the
previous caller of timer_expired(), which treated an error condition as
if the timer were expired instead of bailing out.
The previous implementation of timer_expired() gave differing results
for epoll and kqueue if the timer was reset. (For epoll, a reset timer
was considered to be expired, and for kqueue it was not.) This didn't
previously cause problems, since timer_expired() was only called while
the timer was known to be set, but both implementations now use the
kqueue logic.
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Backpatch-through: 18
Discussion: https://postgr.es/m/CAOYmi+nDZxJHaWj9_jRSyf8uMToCADAmOfJEggsKW-kY7aUwHA@mail.gmail.com
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If Curl needs to switch the direction of a socket's registration (e.g.
from CURL_POLL_IN to CURL_POLL_OUT), it expects the old registration to
be discarded. For epoll, this happened via EPOLL_CTL_MOD, but for
kqueue, the old registration would remain if it was not explicitly
removed by Curl.
Explicitly remove the opposite-direction event during registrations. (If
that event doesn't exist, we'll just get an ENOENT, which will be
ignored by the same code that handles CURL_POLL_REMOVE.) A few
assertions are also added to strengthen the relationship between the
number of events added, the number of events pulled off the queue, and
the lengths of the kevent arrays.
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Backpatch-through: 18
Discussion: https://postgr.es/m/CAOYmi+nDZxJHaWj9_jRSyf8uMToCADAmOfJEggsKW-kY7aUwHA@mail.gmail.com
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If a socket is added to the kqueue, becomes readable/writable, and
subsequently becomes non-readable/writable again, the kqueue itself will
remain readable until either the socket registration is removed, or the
stale event is cleared via a call to kevent().
In many simple cases, Curl itself will remove the socket registration
quickly, but in real-world usage, this is not guaranteed to happen. The
kqueue can then remain stuck in a permanently readable state until the
request ends, which results in pointless wakeups for the client and
wasted CPU time.
Implement comb_multiplexer() to call kevent() and unstick any stale
events that would cause unnecessary callbacks. This is called right
after drive_request(), before we return control to the client to wait.
Suggested-by: Thomas Munro <thomas.munro@gmail.com>
Co-authored-by: Thomas Munro <thomas.munro@gmail.com>
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Backpatch-through: 18
Discussion: https://postgr.es/m/CAOYmi+nDZxJHaWj9_jRSyf8uMToCADAmOfJEggsKW-kY7aUwHA@mail.gmail.com
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Remove a comment about potential for AIO in StartReadBuffersImpl(),
because that change happened.
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The code used
return (Selectivity) 0.0;
where
PG_RETURN_FLOAT8(0.0);
would be correct.
On 64-bit systems, these are pretty much equivalent, but on 32-bit
systems, PG_RETURN_FLOAT8() correctly produces a pointer, but the old
wrong code would return a null pointer, possibly leading to a crash
elsewhere.
We think this code is actually not reachable because bqarr_in won't
accept an empty query, and there is no other function that will
create query_int values. But better be safe and not let such
incorrect code lie around.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/8246d7ff-f4b7-4363-913e-827dadfeb145%40eisentraut.org
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This function is called from ATExecAttachPartition/ATExecAddInherit,
which prevent tables with row-level triggers with transition tables from
becoming partitions or inheritance children, to check if there is such a
trigger on the given table, but failed to check if a found trigger is
row-level, causing the caller functions to needlessly prevent a table
with only a statement-level trigger with transition tables from becoming
a partition or inheritance child. Repair.
Oversight in commit 501ed02cf.
Author: Etsuro Fujita <etsuro.fujita@gmail.com>
Discussion: https://postgr.es/m/CAPmGK167mXzwzzmJ_0YZ3EZrbwiCxtM1vogH_8drqsE6PtxRYw%40mail.gmail.com
Backpatch-through: 13
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Previously, pg_dump --filter could misinterpret invalid object types
in the filter file as valid ones. For example, the invalid object type
"table-data" (likely a typo for the valid "table_data") could be
mistakenly recognized as "table", causing pg_dump to succeed
when it should have failed.
This happened because pg_dump identified keywords as sequences of
ASCII alphabetic characters, treating non-alphabetic characters
(like hyphens) as keyword boundaries. As a result, "table-data" was
parsed as "table".
To fix this, pg_dump --filter now treats keywords as strings of
non-whitespace characters, ensuring invalid types like "table-data"
are correctly rejected.
Back-patch to v17, where the --filter option was introduced.
Author: Fujii Masao <masao.fujii@gmail.com>
Reviewed-by: Xuneng Zhou <xunengzhou@gmail.com>
Reviewed-by: Srinath Reddy <srinath2133@gmail.com>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://postgr.es/m/CAHGQGwFzPKUwiV5C-NLBqz1oK1+z9K8cgrF+LcxFem-p3_Ftug@mail.gmail.com
Backpatch-through: 17
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Commit 9e6104c66 disallowed transition tables on foreign tables, but
failed to account for cases where a foreign table is a child table of a
partitioned/inherited table on which transition tables exist, leading to
incorrect transition tuples collected from such foreign tables for
queries on the parent table triggering transition capture. This
occurred not only for inherited UPDATE/DELETE but for partitioned INSERT
later supported by commit 3d956d956, which should have handled it at
least for the INSERT case, but didn't.
To fix, modify ExecAR*Triggers to throw an error if the given relation
is a foreign table requesting transition capture. Also, this commit
fixes make_modifytable so that in case of an inherited UPDATE/DELETE
triggering transition capture, FDWs choose normal operations to modify
child foreign tables, not DirectModify; which is needed because they
would otherwise skip the calls to ExecAR*Triggers at execution, causing
unexpected behavior.
Author: Etsuro Fujita <etsuro.fujita@gmail.com>
Reviewed-by: Amit Langote <amitlangote09@gmail.com>
Discussion: https://postgr.es/m/CAPmGK14QJYikKzBDCe3jMbpGENnQ7popFmbEgm-XTNuk55oyHg%40mail.gmail.com
Backpatch-through: 13
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Dropping twice a pgstats entry should not happen, and the error report
generated was missing the "generation" counter (tracking when an entry
is reused) that has been added in 818119afccd3.
Like d92573adcb02, backpatch down to v15 where this information is
useful to have, to gather more information from instances where the
problem shows up. A report has shown that this error path has been
reached on a standby based on 17.3, for a relation stats entry and an
OID close to wraparound.
Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://postgr.es/m/CAN4RuQvYth942J2+FcLmJKgdpq6fE5eqyFvb_PuskxF2eL=Wzg@mail.gmail.com
Backpatch-through: 15
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libpq-oauth was missing from the installed_targets list, so
$ ninja clean && ninja install-quiet
failed with the error message
ERROR: File 'src/interfaces/libpq-oauth/libpq-oauth.a' could not be found
It seems a little odd to have to tell Meson what's missing, since it
clearly knows how to build that file during regular installation. But
the "quiet" variant we've created must use --no-rebuild, to avoid
spawning concurrent ninja processes that would step on each other.
Reported-by: Andres Freund <andres@anarazel.de>
Backpatch-through: 18
Discussion: https://postgr.es/m/hbpqdwxkfnqijaxzgdpvdtp57s7gwxa5d6sbxswovjrournlk6%404jnb2gzan4em
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Although the "Floating-Point Types" section says that "float" data
type is taken to mean "double precision", this information was not
reflected in the data type table that lists all data type aliases.
Reported-by: alexander.kjall@hafslund.no
Author: Euler Taveira <euler@eulerto.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/175456294638.800.12038559679827947313@wrigleys.postgresql.org
Backpatch-through: 13
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This adds a few more functions to int128.h, allowing more of numeric.c
to use 128-bit integers on all platforms.
Specifically, int64_div_fast_to_numeric() and the following aggregate
functions can now use 128-bit integers for improved performance on all
platforms, rather than just platforms with native support for int128:
- SUM(int8)
- AVG(int8)
- STDDEV_POP(int2 or int4)
- STDDEV_SAMP(int2 or int4)
- VAR_POP(int2 or int4)
- VAR_SAMP(int2 or int4)
In addition to improved performance on platforms lacking native
128-bit integer support, this significantly simplifies this numeric
code by allowing a lot of conditionally compiled code to be deleted.
A couple of numeric functions (div_var_int64() and sqrt_var()) still
contain conditionally compiled 128-bit integer code that only works on
platforms with native 128-bit integer support. Making those work more
generally would require rolling our own higher precision 128-bit
division, which isn't supported for now.
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Reviewed-by: John Naylor <johncnaylorls@gmail.com>
Discussion: https://postgr.es/m/CAEZATCWgBMc9ZwKMYqQpaQz2X6gaamYRB+RnMsUNcdMcL2Mj_w@mail.gmail.com
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Small touch-up on commits 25505082f0e and 50fd428b2b9. Fix the
formatting of the example messages in the documentation and adjust the
wording to match the code.
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Use Min(NBuffers, MAX_CHECKPOINT_REQUESTS) instead of NBuffers in
CheckpointerShmemSize() to match the actual array size limit set in
CheckpointerShmemInit(). This prevents wasting shared memory when
NBuffers > MAX_CHECKPOINT_REQUESTS. Also, fix the comment.
Reported-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/1439188.1754506714%40sss.pgh.pa.us
Author: Xuneng Zhou <xunengzhou@gmail.com>
Co-authored-by: Alexander Korotkov <aekorotkov@gmail.com>
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Recent ICU versions have added U_SHOW_CPLUSPLUS_HEADER_API, and we need
to set this to zero as well to hide the ICU C++ APIs from pg_locale.h
Per discussion, we want cpluspluscheck to work cleanly in backbranches,
so backpatch both this and its predecessor commit ed26c4e25a4 to all
supported versions.
Reported-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/1115793.1754414782%40sss.pgh.pa.us
Backpatch-through: 13
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Fix commit f295494d338 to use consistent four-space indentation for
verbose messages.
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In the non-native code in int128_add_int64_mul_int64(), use signed
64-bit integer multiplication instead of unsigned multiplication for
the first three product terms. This simplifies the code needed to add
each product term to the result, leading to more compact and efficient
code. The actual performance gain is quite modest, but it seems worth
it to improve the code's readability.
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Reviewed-by: John Naylor <johncnaylorls@gmail.com>
Discussion: https://postgr.es/m/CAEZATCWgBMc9ZwKMYqQpaQz2X6gaamYRB+RnMsUNcdMcL2Mj_w@mail.gmail.com
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On platforms without native 128-bit integer support, simplify the test
for carry in int128_add_uint64() by noting that the low-part addition
is unsigned integer arithmetic, which is just modular arithmetic.
Therefore the test for carry can simply be written as "new value < old
value" (i.e., a test for modular wrap-around). This can then be made
branchless so that on modern compilers it produces the same machine
instructions as native 128-bit addition, making it significantly
simpler and faster.
Similarly, the test for carry in int128_add_int64() can be written in
much the same way, but with an extra term to compensate for the sign
of the value being added. Again, on modern compilers this leads to
branchless code, often identical to the native 128-bit integer
addition machine code.
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Reviewed-by: John Naylor <johncnaylorls@gmail.com>
Discussion: https://postgr.es/m/CAEZATCWgBMc9ZwKMYqQpaQz2X6gaamYRB+RnMsUNcdMcL2Mj_w@mail.gmail.com
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Commit d85ce012f99f has added some new error handling code to
date_trunc() of timestamp, timestamptz, and interval with infinite
values.
However, the new test cases added by that commit did not actually test
all of the new code, missing coverage for the following cases:
1) For timestamp without time zone:
1-1) infinite value with valid unit
1-2) infinite value with unsupported unit
1-3) finite value with unsupported unit, for a code path older than
d85ce012f99f.
2) For timestamp with time zone, without a time zone specified for the
truncation:
2-1) infinite value with valid unit
2-2) infinite value with unsupported unit
2-3) finite value with unsupported unit, for a code path older than
d85ce012f99f.
3) For timestamp with time zone, with a time zone specified for the
truncation:
3-1) infinite value with valid unit.
3-2) infinite value with unsupported unit.
This commit also provides coverage for the bug fixed in 2242b26ce472,
through cases 2-1) and 3-1), when using an infinite value with a valid
unit, with[out] the optional time zone parameter used for the
truncation.
Author: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/2d320b6f-b4af-4fbc-9eec-5d0fa15d187b@eisentraut.org
Discussion: https://postgr.es/m/4bf60a84-2862-4a53-acd5-8eddf134a60e@eisentraut.org
Backpatch-through: 18
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The code used a PG_RETURN_TIMESTAMPTZ() where the return type is
TimestampTz and not a Datum.
On 64-bit systems, there is no effect since this just ends up casting
64-bit integers back and forth. On 32-bit systems, timestamptz is
pass-by-reference. PG_RETURN_TIMESTAMPTZ() allocates new memory and
returns the address, meaning that the caller could interpret this as a
timestamp value.
The effect is using "date_trunc(..., 'infinity'::timestamptz) will
return random values (instead of the correct return value 'infinity').
Bug introduced in commit d85ce012f99f.
Author: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/2d320b6f-b4af-4fbc-9eec-5d0fa15d187b@eisentraut.org
Discussion: https://postgr.es/m/4bf60a84-2862-4a53-acd5-8eddf134a60e@eisentraut.org
Backpatch-through: 18
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This commit makes use of the existing PqMsg_* macros in more places
and adds new PqReplMsg_* and PqBackupMsg_* macros for use in
special replication and backup messages, respectively.
Author: Dave Cramer <davecramer@gmail.com>
Co-authored-by: Fabrízio de Royes Mello <fabriziomello@gmail.com>
Reviewed-by: Jacob Champion <jacob.champion@enterprisedb.com>
Reviewed-by: Álvaro Herrera <alvherre@kurilemu.de>
Reviewed-by: Euler Taveira <euler@eulerto.com>
Discussion: https://postgr.es/m/aIECfYfevCUpenBT@nathan
Discussion: https://postgr.es/m/CAFcNs%2Br73NOUb7%2BqKrV4HHEki02CS96Z%2Bx19WaFgE087BWwEng%40mail.gmail.com
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The name "namspace" looks like a typo, but it was presumably meant
to avoid using the "namespace" C++ keyword. This commit renames
the parameter to "nameSpace" to prevent future confusion while
still avoiding the keyword.
Reviewed-by: Álvaro Herrera <alvherre@kurilemu.de>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://postgr.es/m/aJJxpfsDfiQ1VbJ5%40nathan
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Author: Chao Li <lic@highgo.com>
Reviewed-by: Fujii Masao <masao.fujii@gmail.com>
Discussion: https://postgr.es/m/CD9B2247-617A-4761-8338-2705C8728E2A@highgo.com
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This rearranges the code in src/include/common/int128.h, so that the
native and non-native implementations of each function are together
inside the function body (as they are in src/include/common/int.h),
rather than being in separate parts of the file.
This improves readability and maintainability, making it easier to
compare the native and non-native implementations, and avoiding the
need to duplicate every function comment and declaration.
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Reviewed-by: John Naylor <johncnaylorls@gmail.com>
Discussion: https://postgr.es/m/CAEZATCWgBMc9ZwKMYqQpaQz2X6gaamYRB+RnMsUNcdMcL2Mj_w@mail.gmail.com
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Compiler warnings introduced by 8c7445a0081.
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
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These were introduced (commit efdc7d74753) at the same time as we were
moving to using the standard inttypes.h format macros (commit
a0ed19e0a9e). It doesn't seem useful to keep a new already-deprecated
interface like this with only a few users, so remove the new symbols
again and have the callers use PRIx64.
(Also, INT64_HEX_FORMAT was kind of a misnomer, since hex formats all
use unsigned types.)
Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/0ac47b5d-e5ab-4cac-98a7-bdee0e2831e4%40eisentraut.org
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This creates a new test module src/test/modules/test_int128 and moves
src/tools/testint128.c into it so that it can be built using the
normal build system, allowing the 128-bit integer arithmetic functions
in src/include/common/int128.h to be tested automatically. For now,
the tests are skipped on platforms that don't have native int128
support.
While at it, fix the test128 union in the test code: the "hl" member
of test128 was incorrectly defined to be a union instead of a struct,
which meant that the tests were only ever setting and checking half of
each 128-bit integer value.
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Reviewed-by: John Naylor <johncnaylorls@gmail.com>
Discussion: https://postgr.es/m/CAEZATCWgBMc9ZwKMYqQpaQz2X6gaamYRB+RnMsUNcdMcL2Mj_w@mail.gmail.com
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toast_save_datum() has for a very long time some code able to handle
short varlenas (values up to 126 bytes reduced to a 1-byte header),
converting such varlenas to an external on-disk TOAST pointer with the
value saved uncompressed in the secondary TOAST relation.
There was zero coverage for this code path. This commit adds a test
able to exercise it, relying on two external attributes, one with a low
toast_tuple_target, so as it is possible to trigger the threshold for
the insertion of short varlenas into the TOAST relation.
Author: Nikhil Kumar Veldanda <veldanda.nikhilkumar17@gmail.com>
Co-authored-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/aJAl7-NvIk0kZByz@paquier.xyz
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ALTER TABLE ... SET EXPRESSION AS removes statistics for the target column,
so running ANALYZE afterward is recommended. But this was previously not
documented, even though a similar recommendation exists for
ALTER TABLE ... SET DATA TYPE, which also clears the column's statistics.
This commit updates the documentation to include the ANALYZE recommendation
for SET EXPRESSION AS.
Since v18, virtual generated columns are supported, and these columns never
have statistics. Therefore, ANALYZE is not needed after SET DATA TYPE or
SET EXPRESSION AS when used on virtual generated columns. This commit also
updates the documentation to clarify that ANALYZE is unnecessary in such cases.
Back-patch the ANALYZE recommendation for SET EXPRESSION AS to v17
where the feature was introduced, and the note about virtual generated
columns to v18 where those columns were added.
Author: Yugo Nagata <nagata@sraoss.co.jp>
Reviewed-by: Fujii Masao <masao.fujii@gmail.com>
Discussion: https://postgr.es/m/20250804151418.0cf365bd2855d606763443fe@sraoss.co.jp
Backpatch-through: 17
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Following commit e035863c9a0, building with -O0 began triggering
warnings about potentially uninitialized 'workbuf' usage. While
theoretically the initialization isn't necessary since VARDATA()
doesn't access the contents of the pointed-to object, this commit
explicitly initializes the workbuf variable to suppress the warning.
Buildfarm members adder and flaviventris have shown the warning.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CAD21AoCOZxfqnNgfM5yVKJZYnOq5m2Q96fBGy1fovEqQ9V4OZA@mail.gmail.com
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The result of "DirectFunctionCall1(numeric_float8, d)" is already in
Datum form, but the code was incorrectly applying PG_RETURN_FLOAT8()
to it. On machines where float8 is pass-by-reference, this would
result in complete garbage, since an unpredictable pointer value
would be treated as an integer and then converted to float. It's not
entirely clear how much of a problem would ensue on 64-bit hardware,
but certainly interpreting a float8 bitpattern as uint64 and then
converting that to float isn't the intended behavior.
As luck would have it, even the complete-garbage case doesn't break
BRIN indexes, since the results are only used to make choices about
how to merge values into ranges: at worst, we'd make poor choices
resulting in an inefficient index. Doubtless that explains the lack
of field complaints. However, users with BRIN indexes that use the
numeric_minmax_multi_ops opclass may wish to reindex in hopes of
making their indexes more efficient.
Author: Peter Eisentraut <peter@eisentraut.org>
Co-authored-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/2093712.1753983215@sss.pgh.pa.us
Backpatch-through: 14
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A few items appears to have added in random order over the years.
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This new test is very expensive. Make it opt-in.
Discussion: https://postgr.es/m/202508051433.ebznuqrxt4b2@alvherre.pgsql
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This commit introduces a new column backup_type that indicates the
type of backup being performed: either 'full' or 'incremental'.
Bump catalog version.
Author: Shinya Kato <shinya11.kato@gmail.com>
Reviewed-by: Yugo Nagata <nagata@sraoss.co.jp>
Discussion: https://postgr.es/m/CAOzEurQuzbHwTj1ehk1a+eeQDidJPyrE5s6mYumkjwjZnurhkQ@mail.gmail.com
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During CREATE DATABASE, if changing the locale provider, require that
a new locale is specified rather than trying to reinterpret the
template's locale using the new provider.
This only affects the behavior when the template uses the builtin
provider and CREATE DATABASE specifies the ICU provider without
specifying the locale. Previously, that may have succeeded due to
loose validation by ICU, whereas now that will cause an error. Because
it can cause an error, backport only to unreleased versions.
Discussion: https://postgr.es/m/5038b33a6dc639009f4b3d43fa6ae0c5ba9e04f7.camel@j-davis.com
Backpatch-through: 18
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Neither Peter nor I had tried this with USE_VALGRIND ...
Per buildfarm member skink.
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We've only bothered converting the external interfaces, not the
endian-dependent internal macros (which should not be used by any
callers other than the interface functions in this header, anyway).
The VARTAG_1B_E() changes are required for C++ compatibility.
Author: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/928ea48f-77c6-417b-897c-621ef16685a6@eisentraut.org
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Macros like VARDATA() and VARSIZE() should be thought of as taking
values of type pointer to struct varlena or some other related struct.
The way they are implemented, you can pass anything to it and it will
cast it right. But this is in principle incorrect. To fix, add the
required DatumGetPointer() calls. Or in a couple of cases, remove
superfluous PointerGetDatum() calls.
It is planned in a subsequent patch to change macros like VARDATA()
and VARSIZE() to inline functions, which will enforce stricter typing.
This is in preparation for that.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/928ea48f-77c6-417b-897c-621ef16685a6%40eisentraut.org
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These instances were using Datum-returning functions where a
lower-level function returning uint32 would be more appropriate.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/8246d7ff-f4b7-4363-913e-827dadfeb145%40eisentraut.org
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Previously, specifying the publication option 'publish_generated_columns'
without an explicit value would incorrectly default to 'stored', which is
not the intended behavior.
This patch fixes the issue by raising an ERROR when no value is provided
for 'publish_generated_columns', ensuring that users must explicitly
specify a valid option.
Author: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: vignesh C <vignesh21@gmail.com>
Backpatch-through: 18, where it was introduced
Discussion: https://postgr.es/m/CAHut+PsCUCWiEKmB10DxhoPfXbF6jw5RD9ib2LuaQeA_XraW7w@mail.gmail.com
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Some of these were accidentally reversed, but there was no ill effect.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/8246d7ff-f4b7-4363-913e-827dadfeb145%40eisentraut.org
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Import usleep, which, due to an oversight in oversight in commit
48796a98d5ae was used but not imported.
Correct the comparison string used in two logfile checks. Previously, it
was incorrect and thus the test could never have failed.
Also wordsmith a comment to make it clear when hot_standby_feedback is
meant to be on during the test scenarios.
Reported-by: Melanie Plageman <melanieplageman@gmail.com>
Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Discussion: https://postgr.es/m/flat/CAAKRu_YO2mEm%3DZWZKPjTMU%3DgW5Y83_KMi_1cr51JwavH0ctd7w%40mail.gmail.com
Backpatch-through: 16
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