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File::Find converts backslashes to slashes in the newer Perl versions.
See: https://github.com/Perl/perl5/commit/414f14df98cb1c9a20f92c5c54948b67c09f072d
So, do the same conversion for Windows before comparing paths. To
support all Perl versions, always convert them on Windows regardless of
the Perl's version.
Author: Nazir Bilal Yavuz <byavuz81@gmail.com>
Backpatch to all live branches
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Here we consolidate the generation of partial sort and partial incremental
sort paths in a similar way to what was done in 4a29eabd1. Since the cost
penalty for incremental sort was removed by that commit, there's no
point in creating a sort path on the cheapest partial path if an
incremental sort could be done instead.
This has the added benefit of reducing the amount of code required to
build these paths.
Author: Richard Guo
Reviewed-by: Etsuro Fujita, Shubham Khanna, David Rowley
Discussion: https://postgr.es/m/CAMbWs49PaKxBZU9cN7k3DKB7id+YfGfOfS9H_Fo5tkqPMt=fDg@mail.gmail.com
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predicate.c has been using SerialSLRULock (the control lock for its SLRU
structure) to coordinate access to SerialControlData, another of its
numerous shared memory structures; this is unnecessary and confuses
further SLRU scalability work. Create a separate LWLock to cover
SerialControlData.
Extracted from a larger patch from the same author, and some additional
changes by Álvaro.
Author: Dilip Kumar <dilip.kumar@enterprisedb.com>
Discussion: https://postgr.es/m/CAFiTN-vzDvNz=ExGXz6gdyjtzGixKSqs0mKHMmaQ8sOSEFZ33A@mail.gmail.com
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This commit introduces a new subscription option named 'failover', which
provides users with the ability to set the failover property of the
replication slot on the publisher when creating or altering a
subscription.
This uses the replication commands introduced by commit 7329240437 to
enable the failover option for a logical replication slot.
If the failover option is set to true, the associated replication slots
(i.e. the main slot and the table sync slots) in the upstream database are
enabled to be synchronized to the standbys. Note that the capability to
sync the replication slots will be added in subsequent commits.
Thanks to Masahiko Sawada for the design inputs.
Author: Shveta Malik, Hou Zhijie, Ajin Cherian
Reviewed-by: Peter Smith, Bertrand Drouvot, Dilip Kumar, Masahiko Sawada, Nisha Moond, Kuroda Hayato, Amit Kapila
Discussion: https://postgr.es/m/514f6f2f-6833-4539-39f1-96cd1e011f23@enterprisedb.com
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The code copying the PGP block into the temp buffer failed to
account for the extra 2 bytes in the buffer which are needed
for the prefix. If the block was oversized, subsequent checks
of the prefix would have exceeded the buffer size. Since the
block sizes are hardcoded in the list of supported ciphers it
can be verified that there is no live bug here. Backpatch all
the way for consistency though, as this bug is old.
Author: Mikhail Gribkov <youzhick@gmail.com>
Discussion: https://postgr.es/m/CAMEv5_uWvcMCMdRFDsJLz2Q8g16HEa9xWyfrkr+FYMMFJhawOw@mail.gmail.com
Backpatch-through: v12
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Previously this hash table was built during executor startup. This
could cause long delays in EXPLAIN (without ANALYZE) when the planner
opts to use a large Memoize hash table.
No backpatch for now due to lack of complaints.
Author: David Rowley
Discussion: https://postgr.es/m/CAApHDvoJktJ5XL=Kjh2a2TFr64R-7eQZV-+jcJrUwoES2GLiWg@mail.gmail.com
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We seem to have only documented a foreign key can reference the columns of
a primary key or unique constraint. Here we adjust the documentation
to mention columns in a non-partial unique index can be mentioned too.
The header comment for transformFkeyCheckAttrs() also didn't mention
unique indexes, so fix that too. In passing make that header comment
reflect reality in the various other aspects where it deviated from it.
Bug: 18295
Reported-by: Gilles PARC
Author: Laurenz Albe, David Rowley
Discussion: https://www.postgresql.org/message-id/18295-0ed0fac5c9f7b17b%40postgresql.org
Backpatch-through: 12
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This function requires simd.h, which is a rather large dependency
for a widely-used header file like pg_wchar.h. Furthermore, there
is a report of a third-party tool that is struggling to use
pg_wchar.h due to its dependence on simd.h (presumably because
simd.h uses several intrinsics). Moving the function to the much
less popular ascii.h resolves these issues for now.
This commit is back-patched for the benefit of the aforementioned
third-party tool. The simd.h dependency was only added in v16,
but we've opted to back-patch to v15 so that is_valid_ascii() lives
in the same file for all versions where it exists. This could
break existing third-party code that uses the function, but we
couldn't find any examples of such code. It should be possible to
fix any code that this commit breaks by including ascii.h in the
file that uses is_valid_ascii().
Author: Jubilee Young
Reviewed-by: Tom Lane, John Naylor, Andres Freund, Eric Ridge
Discussion: https://postgr.es/m/CAPNHn3oKJJxMsYq%2BqLYzVJOFrUcOr4OF1EC-KtFT-qh8nOOOtQ%40mail.gmail.com
Backpatch-through: 15
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libxml2 changed the required signature of error handler callbacks
to make the passed xmlError struct "const". This is causing build
failures on buildfarm member caiman, and no doubt will start showing
up in the field quite soon. Add a version check to adjust the
declaration of xml_errorHandler() according to LIBXML_VERSION.
2.12.x also produces deprecation warnings for contrib/xml2/xpath.c's
assignment to xmlLoadExtDtdDefaultValue. I see no good reason for
that to still be there, seeing that we disabled external DTDs (at a
lower level) years ago for security reasons. Let's just remove it.
Back-patch to all supported branches, since they might all get built
with newer libxml2 once it gets a bit more popular. (The back
branches produce another deprecation warning about xpath.c's use of
xmlSubstituteEntitiesDefault(). We ought to consider whether to
back-patch all or part of commit 65c5864d7 to silence that. It's
less urgent though, since it won't break the buildfarm.)
Discussion: https://postgr.es/m/1389505.1706382262@sss.pgh.pa.us
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This adds a new "Memory:" line under the "Planning:" group (which
currently only has "Buffers:") when the MEMORY option is specified.
In order to make the reporting reasonably accurate, we create a separate
memory context for planner activities, to be used only when this option
is given. The total amount of memory allocated by that context is
reported as "allocated"; we subtract memory in the context's freelists
from that and report that result as "used". We use
MemoryContextStatsInternal() to obtain the quantities.
The code structure to show buffer usage during planning was not in
amazing shape, so I (Álvaro) modified the patch a bit to clean that up
in passing.
Author: Ashutosh Bapat
Reviewed-by: David Rowley, Andrey Lepikhov, Jian He, Andy Fan
Discussion: https://www.postgresql.org/message-id/CAExHW5sZA=5LJ_ZPpRO-w09ck8z9p7eaYAqq3Ks9GDfhrxeWBw@mail.gmail.com
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ginFinishSplit() expects the caller to hold an exclusive lock on the
buffer, but when finishing an earlier "leftover" incomplete split of
an internal page, the caller held a shared lock. That caused an
assertion failure in MarkBufferDirty(). Without assertions, it could
lead to corruption if two backends tried to complete the split at the
same time.
On master, add a test case using the new injection point facility.
Report and analysis by Fei Changhong. Backpatch the fix to all
supported versions.
Reviewed-by: Fei Changhong, Michael Paquier
Discussion: https://www.postgresql.org/message-id/tencent_A3CE810F59132D8E230475A5F0F7A08C8307@qq.com
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In follow up commits we'll add more functions related to query
cancellations. This groups those all together instead of mixing them
with the other functions in fe-connect.c.
The formerly static parse_int_param() function had to be exported to
other libpq users, so it's been renamed pqParseIntParam() and moved to a
more reasonable place within fe-connect.c (rather than randomly between
various keepalive-related routines).
Author: Jelte Fennema-Nio <jelte.fennema@microsoft.com>
Discussion: https://postgr.es/m/AM5PR83MB0178D3B31CA1B6EC4A8ECC42F7529@AM5PR83MB0178.EURPRD83.prod.outlook.com
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Commit 007693f2a3 changes the existing 'conflicting' field to
'conflict_reason' in pg_replication_slots but missed updating one of its
existing references.
Author: Hou Zhijie
Discussion: https://postgr.es/m/OS0PR01MB571690299199ACA80F602D97947E2@OS0PR01MB5716.jpnprd01.prod.outlook.com
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This function served to support having prebuilt files in the source
tree for vpath builds. This is no longer possible (since
721856ff24b); all built files are now always in the build tree. The
invocations of this function are no longer required.
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They were incorrectly referring to a slot parameter in
ReplicationSlotAcquire() which is not passed to the API.
Author: Wang Wei
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/OS3PR01MB6275E3CE4DC15FF8B8B80D3A9E7A2@OS3PR01MB6275.jpnprd01.prod.outlook.com
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This commit implements a new replication command called
ALTER_REPLICATION_SLOT and a corresponding walreceiver API function named
walrcv_alter_slot. Additionally, the CREATE_REPLICATION_SLOT command has
been extended to support the failover option.
These new additions allow the modification of the failover property of a
replication slot on the publisher. A subsequent commit will make use of
these commands in subscription commands and will add the tests as well to
cover the functionality added/changed by this commit.
Author: Hou Zhijie, Shveta Malik
Reviewed-by: Peter Smith, Bertrand Drouvot, Dilip Kumar, Masahiko Sawada, Nisha Moond, Kuroda, Hayato, Amit Kapila
Discussion: https://postgr.es/m/514f6f2f-6833-4539-39f1-96cd1e011f23@enterprisedb.com
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Since commit a4ccc1cef, the 'node' and 'alloc_tuple_size' fields of
the ReorderBufferTupleBuf structure are no longer used. This leaves
only the 'tuple' field in the structure. Since keeping a single-field
structure makes little sense, the ReorderBufferTupleBuf is removed
entirely. The code is refactored accordingly.
No back-patching since these are ABI changes in an exposed structure
and functions, and there would be some risk of breaking extensions.
Author: Aleksander Alekseev
Reviewed-by: Amit Kapila, Masahiko Sawada, Reid Thompson
Discussion: https://postgr.es/m/CAD21AoCvnuxiXXfRecp7g9+CeC35POQfhuQeJFr7_9u_Q5jc_Q@mail.gmail.com
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This commit fixes failures with "tuple already updated by self" when
listing twice the same role and in a DROP ROLE query.
This is an oversight in 6566133c5f52, that has introduced a two-phase
logic in DropRole() where dependencies of all the roles to drop are
removed in a first phase, with the roles themselves removed from
pg_authid in a second phase.
The code is simplified to not rely on a List of ObjectAddress built in
the first phase used to remove the pg_authid entries in the second
phase, switching to a list of OIDs. Duplicated OIDs can be simply
avoided in the first phase thanks to that. Using ObjectAddress was not
necessary for the roles as they are not used for anything specific to
dependency.c, building all the ObjectAddress in the List with
AuthIdRelationId as class ID.
In 15 and older versions, where a single phase is used, DROP ROLE with
duplicated role names would fail on "role \"blah\" does not exist" for
the second entry after the CCI() done by the first deletion. This is
not really incorrect, but it does not seem worth changing based on a
lack of complaints.
Reported-by: Alexander Lakhin
Reviewed-by: Tender Wang
Discussion: https://postgr.es/m/18310-1eb233c5908189c8@postgresql.org
Backpatch-through: 16
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Both drongo and fairywren seem not to like a new regression test added
by 2cca95e17. These machines show a different number of actual rows in
the EXPLAIN ANALYZE output. Since the number of actual rows is divided by
the number of loops, I suspect this might be due to some platform
dependant rounding behavior as the total row count is 5 and the number of
loops is 2. drongo and fairywren seem to be calculating that 5.0 / 2.0 is
3, whereas most other machines think the answer is 2.
Here we tweak the test query's WHERE clause so it's 4.0 / 2.0 instead.
There shouldn't be too much wiggle room for platform dependant-behavior to
be a factor with those numbers.
Reported-by: Tom Lane
Discussion: https://postgr.es/m/1035225.1706301718%40sss.pgh.pa.us
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Oversight in 2489d76c4. Preliminary analysis suggests that the
problem may be unreachable --- but if we did have instances of
the same column with different varnullingrels, we'd surely need
to treat them as different Params.
Discussion: https://postgr.es/m/412552.1706203379@sss.pgh.pa.us
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We perform addition of the days field of an interval via
arithmetic on the Julian-date representation of the timestamp's date.
This step is subject to int32 overflow, and we also should not let
the Julian date become very negative, for fear of weird results from
j2date. (In the timestamptz case, allow a Julian date of -1 to pass,
since it might convert back to zero after timezone rotation.)
The additions of the months and microseconds fields could also
overflow, of course. However, I believe we need no additional
checks there; the existing range checks should catch such cases.
The difficulty here is that j2date's magic modular arithmetic could
produce something that looks like it's in-range.
Per bug #18313 from Christian Maurer. This has been wrong for
a long time, so back-patch to all supported branches.
Discussion: https://postgr.es/m/18313-64d2c8952d81e84b@postgresql.org
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The tests in 002_blocks.pl are failing in the buildfarm from time to
time, but we don't know how to reproduce the failure elsewhere. The
most obvious explanation seems to be the unexpected disappearance of a
WAL summary file, so bump up the logging level in
RemoveWalSummaryIfOlderThan to try to help us spot such problems, and
print the cutoff time in addition to the removed filename. Also
adjust 002_blocks.pl to dump out a directory listing of the relevant
directory at various points.
This patch should be reverted once we sort out what's happening here.
Patch by me, reviewed by Nathan Bossart, who also reported the issue.
Discussion: http://postgr.es/m/20240124170846.GA2643050@nathanxps13
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lazy_scan_prune() and lazy_scan_noprune() update the freespace map
with identical conditions; combine them. This consolidation is easier
now that cb970240f13df2b63f0410f81f452179a2b78d6f moved visibility map
updates into lazy_scan_prune().
While combining the FSM updates, simplify the logic for calling
lazy_scan_new_or_empty() and lazy_scan_noprune().
Also update a few comemnts in this part of the code to make them,
hopefully, clearer.
Melanie Plageman and Robert Haas
Discussion: https://postgr.es/m/CA%2BTgmoaLTvipm%3Dxx4rJLr07m908PCu%3DQH3uCjD1UOn8YaEuO2g%40mail.gmail.com
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- Separate function to merge a child attribute into matching inherited
attribute: The logic to merge a child attribute into matching
inherited attribute in MergeAttribute() is only applicable to
regular inheritance child. The code is isolated and coherent enough
that it can be separated into a function of its own.
- Separate function to merge next parent attribute: Partitions inherit
from only a single parent. The logic to merge an attribute from the
next parent into the corresponding attribute inherited from previous
parents in MergeAttribute() is only applicable to regular
inheritance children. This code is isolated enough that it can be
separate into a function by itself.
These separations makes MergeAttribute() more readable by making it
easier to follow high level logic without getting entangled into
details.
Author: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/52a125e4-ff9a-95f5-9f61-b87cf447e4da@eisentraut.org
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This fixes places where words derived from cancel were not using their
common en-US ugly^H^H^H^Hspelling.
Author: Jelte Fennema-Nio <postgres@jeltef.nl>
Reported-by: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://postgr.es/m/CA+hUKG+Lrq+ty6yWXF5572qNQ8KwxGwG5n4fsEcCUap685nWvQ@mail.gmail.com
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The code handling NOT NULL constraints is duplicated in blocks merging
the attribute definition incrementally. Deduplicate that code.
Author: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/52a125e4-ff9a-95f5-9f61-b87cf447e4da@eisentraut.org
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This commit changes the order of reindex on a relation so as a toast
relation is processed before its main relation.
The original order, where a rebuild was first done for the indexes on
the main table, could be a problem in the event of a corruption of a
toast index, because, as scans of a toast index may be required to
rebuild the indexes on the main relation, this could lead to failures
with REINDEX TABLE without being able to fix anything.
Rebuilding corrupted toast indexes before this change was possible but
troublesome, as it was necessary to issue a REINDEX on the toast
relation first, followed by a REINDEX on the main relation. Changing
the order of these operations should make things easier when rebuilding
corrupted indexes, as toast indexes would be rebuilt before they are
used for the indexes on the main relation.
Per request from Richard Vesely.
Author: Gurjeet Singh
Reviewed-by: Nathan Bossart, Michael Paquier
Discussion: https://postgr.es/m/18016-2bd9b549b1fe49b3@postgresql.org
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It was possible when determining the cache keys for a Memoize path that
if the same expr appeared twice in the parameterized path's ppi_clauses
and/or in the Nested Loop's inner relation's lateral_vars. If this
happened the Memoize node's cache keys would contain duplicates. This
isn't a problem for correctness, all it means is that the cache lookups
will be suboptimal due to having redundant work to do on every hash table
lookup and insert.
Here we adjust paraminfo_get_equal_hashops() to look for duplicates and
ignore them when we find them.
Author: David Rowley
Reviewed-by: Richard Guo
Discussion: https://postgr.es/m/422277.1706207562%40sss.pgh.pa.us
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Extracted from a larger patch by the same author.
Author: Gurjeet Singh
Discussion: https://postgr.es/m/CABwTF4WX=m5pQvKXvLFJoEH=hSd6O=iZSqxVqHKjFm+iL-AO=w@mail.gmail.com
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It was possible in cases where we had a LATERAL joined subquery that
when the same Var is mentioned in both the lateral references and in the
outer Vars of the scan clauses that the given Var wouldn't be assigned
to the same NestLoopParam.
This could cause issues in Memoize as the cache key would reference the
Var for the scan clauses but when the parameter for the lateral references
changed some code in Memoize would see that some other parameter had
changed that's not part of the cache key and end up purging the entire
cache as a result, thinking the cache had become stale. This could
result in a Nested Loop -> Memoize plan being quite inefficient as, in
the worst case, the cache purging could result in never getting a cache
hit. In no cases could this problem lead to incorrect query results.
Here we switch the order of operations so that we create NestLoopParam
for the lateral references first before doing replace_nestloop_params().
replace_nestloop_params() will find and reuse the existing NestLoopParam
in cases where the Var exists in both locations.
Author: Richard Guo
Reviewed-by: Tom Lane, David Rowley
Discussion: https://postgr.es/m/CAMbWs48XHJEK1Q1CzAQ7L9sTANTs9W1cepXu8%3DKc0quUL%2Btg4Q%40mail.gmail.com
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This reverts commit 2197d06224a1, following a discussion over a Coverity
report where issues like the "Billion laugh attack" could cause the
backend to waste CPU and memory even if a client applied checks on the
size of the data given in input, and libxml2 does not offer guarantees
that input limits are respected under XML_PARSE_HUGE.
Discussion: https://postgr.es/m/ZbHlgrPLtBZyr_QW@paquier.xyz
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The keeper block was introduced in commit 1b0d9aa4f7, but it forgot
to update this comment.
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Formerly, these were only supported in to_char(), but there seems
little reason for that restriction. We should at least have enough
support to permit round-tripping the output of to_char().
In that spirit, TZ accepts either zone abbreviations or numeric
(HH or HH:MM) offsets, which are the cases that to_char() can output.
In an ideal world we'd make it take full zone names too, but
that seems like it'd introduce an unreasonable amount of ambiguity,
since the rules for POSIX-spec zone names are so lax.
OF is a subset of this, accepting only HH or HH:MM.
One small benefit of this improvement is that we can simplify
jsonpath's executeDateTimeMethod function, which no longer needs
to consider the HH and HH:MM cases separately. Moreover, letting
it accept zone abbreviations means it will accept "Z" to mean UTC,
which is emitted by JSON.stringify() for example.
Patch by me, reviewed by Aleksander Alekseev and Daniel Gustafsson
Discussion: https://postgr.es/m/1681086.1686673242@sss.pgh.pa.us
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Remove a buggy and unnecessary test, along with an unnecessary pstrdup()
and a line of dead code.
Per report, diagnosis and fix from Tom Lane
Discussion: https://postgr.es/m/439811.1706211069@sss.pgh.pa.us
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Clarify the behavior of jsonpath operators and functions by
describing their two different modes of operation explicitly.
In addition to the SQL-spec behavior, where a path returns
a list of matching items, we have a "predicate check" form
that always returns a single boolean result. That was mentioned
in only one place, but it seems better to annotate each operator
and function as to which form(s) it takes. Also improve the
examples by converting them into actual executable SQL with
results, and do a bunch of incidental wordsmithing.
David Wheeler, reviewed by Erik Wienhold, Jian He, and myself
Discussion: https://postgr.es/m/7262A188-59CA-4A8A-AAD7-83D4FF0B9758@justatheory.com
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This commit implements ithe jsonpath .bigint(), .boolean(),
.date(), .decimal([precision [, scale]]), .integer(), .number(),
.string(), .time(), .time_tz(), .timestamp(), and .timestamp_tz()
methods.
.bigint() converts the given JSON string or a numeric value to
the bigint type representation.
.boolean() converts the given JSON string, numeric, or boolean
value to the boolean type representation. In the numeric case, only
integers are allowed. We use the parse_bool() backend function
to convert a string to a bool.
.decimal([precision [, scale]]) converts the given JSON string
or a numeric value to the numeric type representation. If precision
and scale are provided for .decimal(), then it is converted to the
equivalent numeric typmod and applied to the numeric number.
.integer() and .number() convert the given JSON string or a
numeric value to the int4 and numeric type representation.
.string() uses the datatype's output function to convert numeric
and various date/time types to the string representation.
The JSON string representing a valid date/time is converted to the
specific date or time type representation using jsonpath .date(),
.time(), .time_tz(), .timestamp(), .timestamp_tz() methods. The
changes use the infrastructure of the .datetime() method and perform
the datatype conversion as appropriate. Unlike the .datetime()
method, none of these methods accept a format template and use ISO
DateTime format instead. However, except for .date(), the
date/time related methods take an optional precision to adjust the
fractional seconds.
Jeevan Chalke, reviewed by Peter Eisentraut and Andrew Dunstan.
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Useful for a subsequent patch.
Discussion: https://www.postgresql.org/message-id/flat/52a125e4-ff9a-95f5-9f61-b87cf447e4da@eisentraut.org
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It's been unused since 1b468a131bd2 (2015).
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MergeAttributes() has a loop to merge multiple inheritance parents
into a column column definition. The merged-so-far definition is
stored in a ColumnDef node. If we have to merge columns from multiple
inheritance parents (if the name matches), then we have to check
whether various column properties (type, collation, etc.) match. The
current code extracts the pg_attribute value of the
currently-considered inheritance parent and compares it against the
merged-so-far ColumnDef value. If the currently considered column
doesn't match any previously inherited column, we make a new ColumnDef
node from the pg_attribute information and add it to the column list.
This patch rearranges this so that we create the ColumnDef node first
in either case. Then the code that checks the column properties for
compatibility compares ColumnDef against ColumnDef (instead of
ColumnDef against pg_attribute). This makes the code more symmetric
and easier to follow. Also, later in MergeAttributes(), there is a
similar but separate loop that merges the new local column definition
with the combination of the inheritance parents established in the
first loop. That comparison is already ColumnDef-vs-ColumnDef. With
this change, both of these can use similar-looking logic. (A future
project might be to extract these two sets of code into a common
routine that encodes all the knowledge of whether two column
definitions are compatible. But this isn't currently straightforward
because we want to give different error messages in the two cases.)
Furthermore, by avoiding the use of Form_pg_attribute here, we make it
easier to make changes in the pg_attribute layout without having to
worry about the local needs of tablecmds.c.
Because MergeAttributes() is hugely long, it's sometimes hard to know
where in the function you are currently looking. To help with that, I
also renamed some variables to make it clearer where you are currently
looking. The first look is "prev" vs. "new", the second loop is "inh"
vs. "new".
Reviewed-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/52a125e4-ff9a-95f5-9f61-b87cf447e4da@eisentraut.org
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This is a mostly unused tool, but I discovered while nosing around the
Makefile that it hasn't been kept in line with other changes. Fix it.
Backpatching doesn't appear to be necessary.
Discussion: https://postgr.es/m/202401241114.ied53jcich72@alvherre.pgsql
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Reported-by: Richard Guo <guofenglinux@gmail.com>
Discussion: https://postgr.es/m/CAMbWs48qEoe9Du5tuUxrkGQ6VC9oy+tQOORQ6jpob14-E1Z+jg@mail.gmail.com
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Three LOG messages are added in the recovery code paths, providing
information that can be useful to track corruption issues depending on
the state of the cluster, telling that:
- Recovery has started from a backup_label.
- Recovery is restarting from a backup start LSN, without a
backup_label.
- Recovery has completed from a backup.
Author: Andres Freund
Reviewed-by: David Steele, Laurenz Albe, Michael Paquier
Discussion: https://postgr.es/m/20231117041811.vz4vgkthwjnwp2pp@awork3.anarazel.de
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This commit adds the failover property to the replication slot. The
failover property indicates whether the slot will be synced to the standby
servers, enabling the resumption of corresponding logical replication
after failover. But note that this commit does not yet include the
capability to sync the replication slot; the subsequent commits will add
that capability.
A new optional parameter 'failover' is added to the
pg_create_logical_replication_slot() function. We will also enable to set
'failover' option for slots via the subscription commands in the
subsequent commits.
The value of the 'failover' flag is displayed as part of
pg_replication_slots view.
Author: Hou Zhijie, Shveta Malik, Ajin Cherian
Reviewed-by: Peter Smith, Bertrand Drouvot, Dilip Kumar, Masahiko Sawada, Nisha Moond, Kuroda, Hayato, Amit Kapila
Discussion: https://postgr.es/m/514f6f2f-6833-4539-39f1-96cd1e011f23@enterprisedb.com
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We give results for <, <=, =, >=, and >, not just =. Because why not?
Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/flat/CA+renyUApHgSZF9-nd-a0+OPGharLQLO=mDHcY4_qQ0+noCUVg@mail.gmail.com
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Because of commit 1bdd54e662, the code of HandleWalWriterInterrupts()
became the same as HandleMainLoopInterrupts(). So this commit removes
HandleWalWriterInterrupts() and makes walwriter use
HandleMainLoopInterrupts() for improved code simplicity.
Author: Fujii Masao
Reviewed-by: Bharath Rupireddy, Nathan Bossart
Discussion: https://postgr.es/m/CAHGQGwHUtwCsB4DnqFLiMiVzjcA=zmeCKf9_pgQM-yJopydatw@mail.gmail.com
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Remove support for older LLVM versions. The default on common software
distributions will be at least LLVM 10 when PostgreSQL 17 ships.
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/CA%2BhUKGLhNs5geZaVNj2EJ79Dx9W8fyWUU3HxcpZy55sMGcY%3DiA%40mail.gmail.com
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9e2d870119 enabled the COPY command to skip malformed data, however
there was no visibility into how many tuples were actually skipped
during the COPY FROM.
This commit adds a new "tuples_skipped" column to
pg_stat_progress_copy view to report the number of tuples that were
skipped because they contain malformed data.
Bump catalog version.
Author: Atsushi Torikoshi
Reviewed-by: Masahiko Sawada
Discussion: https://postgr.es/m/d12fd8c99adcae2744212cb23feff6ed%40oss.nttdata.com
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A function was given a newly standard name from C++20 in LLVM 16. Then
LLVM 18 added a deprecation warning for the old name, and it is about to
ship, so it's time to adjust that.
Back-patch to all supported releases.
Discussion: https://www.postgresql.org/message-id/CA+hUKGLbuVhH6mqS8z+FwAn4=5dHs0bAWmEMZ3B+iYHWKC4-ZA@mail.gmail.com
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In order to prevent name collision with table "abc" in namespace.sql.
Reported-by: Nathan Bossart
Discussion: https://postgr.es/m/20240124173735.GA2708416%40nathanxps13
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