[DO NOT SQAUSH MERGE] Community stamp 15.18#765

Merged

shardgupta merged 100 commits into

babelfish-for-postgresql:BABEL_3_14_STABLE__PG_15_18from

amazon-aurora:merge-15.18-stable

Jun 2, 2026

Commits on May 30, 2026

pg_upgrade: Use max_protocol_version=3.0 for older servers

jchampio
authored and
Rucha Kulkarni
committed
Stabilize output of new isolation test insert-conflict-do-update-4.

tglsfdc
authored and
Rucha Kulkarni
committed
Fix some cases of indirectly casting away const.

tglsfdc
authored and
Rucha Kulkarni
committed
Allow PG_PRINTF_ATTRIBUTE to be different in C and C++ code.

tglsfdc
authored and
Rucha Kulkarni
committed
Fix ProcWakeup() resetting wrong waitStart field.

MasaoFujii
authored and
Rucha Kulkarni
committed
doc: Clarify INCLUDING COMMENTS behavior in CREATE TABLE LIKE.

MasaoFujii
authored and
Rucha Kulkarni
committed
EUC_CN, EUC_JP, EUC_KR, EUC_TW: Skip U+00A0 tests instead of failing.

nmisch
authored and
Rucha Kulkarni
committed
Use CXXFLAGS instead of CFLAGS for linking C++ code

tglsfdc
authored and
Rucha Kulkarni
committed
Fix Solution.pm for change in pg_config.h contents.

tglsfdc
authored and
Rucha Kulkarni
committed
Fix more multibyte issues in ltree.

jeff-davis
authored and
Rucha Kulkarni
committed
postgres_fdw: Fix thinko in comment for UserMappingPasswordRequired().

authored and
Rucha Kulkarni
committed
Fix set of issues with extended statistics on expressions

michaelpq
authored and
Rucha Kulkarni
committed
test_custom_types: Test module with fancy custom data types

michaelpq
authored and
Rucha Kulkarni
committed
basic_archive: Allow archive directory to be missing at startup.

nathan-bossart
authored and
Rucha Kulkarni
committed
doc: Clarify that empty COMMENT string removes the comment.

MasaoFujii
authored and
Rucha Kulkarni
committed
Fix rare instability in recovery TAP test 009_twophase

michaelpq
authored and
Rucha Kulkarni
committed
Skip prepared_xacts test if max_prepared_transactions < 2

hlinnaka
authored and
Rucha Kulkarni
committed
Don't malloc(0) in EventTriggerCollectAlterTSConfig

alvherre
authored and
Rucha Kulkarni
committed
Fix yet another bug in archive streamer with LZ4 decompression.

tglsfdc
authored and
Rucha Kulkarni
committed
Fix rare instability in recovery TAP test 004_timeline_switch

michaelpq
authored and
Rucha Kulkarni
committed
doc: Clarify that COLUMN is optional in ALTER TABLE ... ADD/DROP COLUMN.

MasaoFujii
authored and
Rucha Kulkarni
committed
Fix handling of updated tuples in the MERGE statement

akorotkov
authored and
Rucha Kulkarni
committed
Exit after fatal errors in client-side compression code.

tglsfdc
authored and
Rucha Kulkarni
committed
Fix publisher shutdown hang caused by logical walsender busy loop.

MasaoFujii
authored and
Rucha Kulkarni
committed
Fix size underestimation of DSA pagemap for odd-sized segments

michaelpq
authored and
Rucha Kulkarni
committed
doc: Document IF NOT EXISTS option for ALTER FOREIGN TABLE ADD COLUMN.

MasaoFujii
authored and
Rucha Kulkarni
committed
xml2: Fix failure with xslt_process() under -fsanitize=undefined

michaelpq
authored and
Rucha Kulkarni
committed
Use GetXLogInsertEndRecPtr in gistGetFakeLSN

tvondra
authored and
Rucha Kulkarni
committed
Tighten asserts on ParallelWorkerNumber

tvondra
authored and
Rucha Kulkarni
committed
Fix WAL flush LSN used by logical walsender during shutdown

MasaoFujii
authored and
Rucha Kulkarni
committed
Fix dependency on FDW handler.

jeff-davis
authored and
Rucha Kulkarni
committed
Fix finalization of decompressor astreamers.

tglsfdc
authored and
Rucha Kulkarni
committed
Fix multixact backwards-compatibility with CHECKPOINT race condition

hlinnaka
authored and
Rucha Kulkarni
committed
Fix copy-paste error in test_ginpostinglist

j-naylor
authored and
Rucha Kulkarni
committed
Fix premature NULL lag reporting in pg_stat_replication

MasaoFujii
authored and
Rucha Kulkarni
committed
Avoid memory leak on error while parsing pg_stat_statements dump file

hlinnaka
authored and
Rucha Kulkarni
committed
Fix multiple bugs in astreamer pipeline code.

adunstan
authored and
Rucha Kulkarni
committed
Fix datum_image_*()'s inability to detect sign-extension variations

david-rowley
authored and
Rucha Kulkarni
committed
Be more careful to preserve consistency of a tuplestore.

tglsfdc
authored and
Rucha Kulkarni
committed
doc: Add missing description for DROP SUBSCRIPTION IF EXISTS.

nathan-bossart
authored and
Rucha Kulkarni
committed
jit: Stop emitting lifetime.end for LLVM 22.

macdice
authored and
Rucha Kulkarni
committed
jit: No backport::SectionMemoryManager for LLVM 22.

macdice
authored and
Rucha Kulkarni
committed
Avoid unsafe access to negative index in a TupleDesc.

tglsfdc
authored and
Rucha Kulkarni
committed
Fix integer overflow in nodeWindowAgg.c

Richard Guo
authored and
Rucha Kulkarni
committed
Enhance make_ctags and make_etags.

tatsuo-ishii
authored and
Rucha Kulkarni
committed
Fix heap-buffer-overflow in pglz_decompress() on corrupt input.

adunstan
authored and
Rucha Kulkarni
committed
Honor passed-in database OIDs in pgstat_database.c

michaelpq
authored and
Rucha Kulkarni
committed
Add tests for low-level PGLZ [de]compression routines

michaelpq
authored and
Rucha Kulkarni
committed
Fix comments for Korean encodings in encnames.c

macdice
authored and
Rucha Kulkarni
committed
doc: Improve description of pg_ctl -l log file permissions

MasaoFujii
authored and
Rucha Kulkarni
committed
doc: Correct context description for some JIT support GUCs

MasaoFujii
authored and
Rucha Kulkarni
committed
Fix orphaned processes when startup process fails during PM_STARTUP

michaelpq
authored and
Rucha Kulkarni
committed
Fix incorrect NEW references to generated columns in rule rewriting

Richard Guo
authored and
Rucha Kulkarni
committed
Make plpgsql_trap test more robust and less resource-intensive.

tglsfdc
authored and
Rucha Kulkarni
committed
Allow ALTER INDEX .. ATTACH PARTITION to validate a parent index

michaelpq
authored and
Rucha Kulkarni
committed
Prevent buffer overrun in spell.c's CheckAffix().

tglsfdc
authored and
Rucha Kulkarni
committed
Prevent some buffer overruns in spell.c's parsing of affix files.

tglsfdc
authored and
Rucha Kulkarni
committed
Guard against overly-long numeric formatting symbols from locale.

tglsfdc
authored and
Rucha Kulkarni
committed
Don't allow composite type to be member of itself via multirange

hlinnaka
authored and
Rucha Kulkarni
committed
Don't call CheckAttributeType() with InvalidOid on dropped cols

hlinnaka
authored and
Rucha Kulkarni
committed
pg_test_timing: fix unit in backward-clock warning

MasaoFujii
authored and
Rucha Kulkarni
committed
Fix incorrect logic for hashed IN / NOT IN with non-strict operators

david-rowley
authored and
Rucha Kulkarni
committed
Update time zone data files to tzdata release 2026b.

tglsfdc
authored and
Rucha Kulkarni
committed
doc: Fix grammar in some logical replication pages

michaelpq
authored and
Rucha Kulkarni
committed
Suppress "has no symbols" linker warnings on macOS.

nathan-bossart
authored and
Rucha Kulkarni
committed
Fix attnum remapping in generateClonedExtStatsStmt()

adunstan
authored and
Rucha Kulkarni
committed
doc: Mention validation attempt during ALTER INDEX .. ATTACH PARTITION

michaelpq
authored and
Rucha Kulkarni
committed
Add missing connection validation in ECPG

adunstan
authored and
Rucha Kulkarni
committed
Mark modified the FSM buffer as dirty during recovery

akorotkov
authored and
Rucha Kulkarni
committed
Consider collation when proving uniqueness from unique indexes

Richard Guo
authored and
Rucha Kulkarni
committed
Consider collation when proving subquery uniqueness

Richard Guo
authored and
Rucha Kulkarni
committed
postgres_fdw: Fix handling of abort-cleanup-failed connections.

Etsuro Fujita
authored and
Rucha Kulkarni
committed
Release notes for 18.4, 17.10, 16.14, 15.18, 14.23.

tglsfdc
authored and
Rucha Kulkarni
committed
Translation updates

petere
authored and
Rucha Kulkarni
committed
ltree: Fix overflows with lquery parsing

michaelpq
authored and
Rucha Kulkarni
committed
Fix overflows with ts_headline()

michaelpq
authored and
Rucha Kulkarni
committed
Add pg_add_size_overflow() and friends

tglsfdc
authored and
Rucha Kulkarni
committed
Make palloc_array() and friends safe against integer overflow.

tglsfdc
authored and
Rucha Kulkarni
committed
Harden our regex engine against integer overflow in size calculations.

tglsfdc
authored and
Rucha Kulkarni
committed
Prevent buffer overrun in unicode_normalize().

authored and
Rucha Kulkarni
committed
Fix assorted places that need to use palloc_array().

tglsfdc
authored and
Rucha Kulkarni
committed
Add raw_connect and raw_connect_works to Cluster.pm

michaelpq
authored and
Rucha Kulkarni
committed
Fix unbounded recursive handling of SSL/GSS in ProcessStartupPacket()

michaelpq
authored and
Rucha Kulkarni
committed
Unify src/common/'s definitions of MaxAllocSize.

tglsfdc
authored and
Rucha Kulkarni
committed
Guard against overflow in "left" fields of query_int and ltxtquery.

tglsfdc
authored and
Rucha Kulkarni
committed
Add timingsafe_bcmp(), for constant-time memory comparison

authored and
Rucha Kulkarni
committed
Apply timingsafe_bcmp() in authentication paths

michaelpq
authored and
Rucha Kulkarni
committed
Avoid passing unintended format codes to snprintf().

tglsfdc
authored and
Rucha Kulkarni
committed
Guard against unsafe conditions in usage of pg_strftime().

tglsfdc
authored and
Rucha Kulkarni
committed
Check CREATE privilege on multirange type schema in CREATE TYPE.

nathan-bossart
authored and
Rucha Kulkarni
committed
Avoid overflow in size calculations in formatting.c.

nathan-bossart
authored and
Rucha Kulkarni
committed
Prevent path traversal in pg_basebackup and pg_rewind

michaelpq
authored and
Rucha Kulkarni
committed
Fix integer-overflow and alignment hazards in locale-related code.

tglsfdc
authored and
Rucha Kulkarni
committed
Fix integer overflow in array_agg(), when the array grows too large

hlinnaka
authored and
Rucha Kulkarni
committed
Mark PQfn() unsafe and fix overrun in frontend LO interface.

nathan-bossart
authored and
Rucha Kulkarni
committed
refint: Fix SQL injection and buffer overruns.

nathan-bossart
authored and
Rucha Kulkarni
committed
Remove test cases for field overflows in intarray and ltree.

tglsfdc
authored and
Rucha Kulkarni
committed
Use palloc_array() in a few more places to avoid overflow

hlinnaka
authored and
Rucha Kulkarni
committed
Last-minute updates for release notes.

tglsfdc
authored and
Rucha Kulkarni
committed
Stamp 15.18.

tglsfdc
authored and
Rucha Kulkarni
committed