Issue #1640: backpatch 14.6 - 14.7 changes range #1671

Draft

reshke wants to merge 70 commits intoapache:REL_2_STABLEfrom

reshke:issue_1640

Commits on Mar 25, 2026

Doc: improve tutorial section about grouped aggregates.

tglsfdc
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reshke
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Doc: add comments about PreventInTransactionBlock/IsInTransactionBlock.

tglsfdc
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reshke
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Fix comment of SimpleLruInit() in slru.c

michaelpq
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Fix comments atop ReorderBufferAddInvalidations.

Amit Kapila
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reshke
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Re-allow building on Microsoft Visual Studio 2013.

tglsfdc
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reshke
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Fix alter_table.sql test case to test what it claims to.

tglsfdc
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reshke
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Fix theoretical torn page hazard.

jeff-davis
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reshke
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Fix cleanup lock acquisition in SPLIT_ALLOCATE_PAGE replay.

Amit Kapila
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reshke
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Account for IPC::Run::result() Windows behavior change.

nmisch
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reshke
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Commits on Apr 1, 2026

Fix version comparison in Version.pm

adunstan
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pg_dump: avoid unsafe function calls in getPolicies().

tglsfdc
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reshke
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Doc: sync src/tutorial/basics.source with SGML documentation.

tglsfdc
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Fix mislabeling of PROC_QUEUE->links as PGPROC, fixing UBSan on 32bit

anarazel
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reshke
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Prevent instability in contrib/pageinspect's regression test.

tglsfdc
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Revert "Prevent instability in contrib/pageinspect's regression test."

tglsfdc
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reshke
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Add comments and a missing CHECK_FOR_INTERRUPTS in ts_headline.

tglsfdc
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reshke
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Replace link to Hunspell with the current homepage

danielgustafsson
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YA attempt at taming worst-case behavior of get_actual_variable_range.

tglsfdc
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reshke
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Make multixact error message more explicit

alvherre
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reshke
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Fix uninitialized access to InitialRunningXacts during decoding.

Amit Kapila
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reshke
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Commits on Apr 3, 2026

Remove temporary portlock directory during make [dist]clean.

tglsfdc
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reshke
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Fix binary mismatch for MSVC plperl vs gcc built perl libs

adunstan
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reshke
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Remove bogus Assert and dead code in remove_useless_results_recurse().

tglsfdc
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reshke
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Commits on Apr 9, 2026

Prevent clobbering of utility statements in SQL function caches.

tglsfdc
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reshke
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Improve heuristics for compressing the KnownAssignedXids array.

tglsfdc
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reshke
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Fix comment in fe-auth-scram.c

michaelpq
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doc: add transaction processing chapter with internals info

bmomjian
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reshke
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Reject missing database name in pg_regress and cohorts.

tglsfdc
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revert: add transaction processing chapter with internals info

bmomjian
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reshke
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Fix under-parenthesized display of AT TIME ZONE constructs.

tglsfdc
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reshke
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Doc: add example of round(v, s) with negative s.

tglsfdc
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reshke
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Fix memory leak for hashing with nondeterministic collations.

jeff-davis
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reshke
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Fix psql's \sf and \ef for new-style SQL functions.

tglsfdc
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reshke
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Fix DEFAULT handling for multi-row INSERT rules.

deanrasheed
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reshke
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Fix generate_partitionwise_join_paths() to tolerate failure.

tglsfdc
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reshke
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Fix broken MemoizePath support in reparameterize_path().

tglsfdc
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reshke
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doc: Add missing <varlistentry> markups for developer GUCs

michaelpq
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reshke
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Fix Memoize to work with partitionwise joining.

tglsfdc
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reshke
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Fix jsonb subscripting to cope with toasted subscript values.

tglsfdc
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reshke
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Rethink handling of [Prevent|Is]InTransactionBlock in pipeline mode.

tglsfdc
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reshke
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Re-adjust drop-index-concurrently-1 isolation test

david-rowley
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reshke
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Fix contrib/seg to be more wary of long input numbers.

tglsfdc
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Add some recursion and looping defenses in prepjointree.c.

tglsfdc
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reshke
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Fix come incorrect elog() messages in aclchk.c

michaelpq
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Fix event trigger example

alvherre
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reshke
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Fix assert in BRIN build_distances

tvondra
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Avoid reference to nonexistent array element in ExecInitAgg().

tglsfdc
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reshke
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Fix typos in comments, code and documentation

michaelpq
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Improve documentation of the CREATEROLE attibute.

robertmhaas
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Fix pg_truncate() on Windows.

macdice
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reshke
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Fix tab completion of ALTER FUNCTION/PROCEDURE/ROUTINE ... SET SCHEMA.

deanrasheed
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reshke
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Remove the streaming files for incomplete xacts after restart.

Amit Kapila
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reshke
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Fix jsonpath existense checking of missing variables

akorotkov
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reshke
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Fix WaitEventSetWait() buffer overrun.

macdice
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reshke
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Fix some BufFileRead() error reporting

petere
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reshke
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Fix failure with perlcritic in psql's create_help.pl

michaelpq
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reshke
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Add missing assign hook for GUC checkpoint_completion_target

michaelpq
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reshke
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Log the correct ending timestamp in recovery_target_xid mode.

tglsfdc
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reshke
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Reject CancelRequestPacket having unexpected length.

nmisch
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reshke
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Allow REPLICA IDENTITY to be set on an index that's not (yet) valid.

tglsfdc
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reshke
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Fix error handling in libpqrcv_connect()

anarazel
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reshke
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Fix the Drop Database hang.

Amit Kapila
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reshke
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doc: Fix network_ops -> inet_ops in SpGiST operator class list

michaelpq
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reshke
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Fix rare sharedtuplestore.c corruption.

macdice
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reshke
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Remove recovery test 011_crash_recovery.pl

michaelpq
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Doc: clarify use of NULL to drop comments and security labels.

tglsfdc
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Update time zone data files to tzdata release 2022g.

tglsfdc
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Doc: Abstract AF_UNIX sockets don't work on Windows.

macdice
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reshke
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doc: Fix XML formatting that psql cannot handle

petere
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Release notes for 15.2, 14.7, 13.10, 12.14, 11.19.

tglsfdc
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reshke
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