Improve errmsg for publication membership
# Technical Analysis: Improve errmsg for Publication Membership ## Core Problem This is a minor grammatical consistency fix in PostgreSQL's error message infrastructure. Two error messages in the l...
2026-06-04
Add per-backend lock statistics
# Add Per-Backend Lock Statistics: Technical Analysis ## Core Problem PostgreSQL 17 introduced global lock statistics via commit `4019f725f5d`, exposed through the `pg_stat_lock` view. This provides...
SERVICEFILE shows wrong file after servicefile fallback
# SERVICEFILE Shows Wrong File After Servicefile Fallback ## Core Problem This bug report identifies a logical inconsistency in libpq's service file resolution mechanism, specifically in how the `S...
BM_IO_ERROR flag is lost in TerminateBufferIO due to order of operations in UnlockBufHdrExt
# BM_IO_ERROR Flag Lost in TerminateBufferIO Due to UnlockBufHdrExt Order of Operations ## Core Problem This thread identifies a subtle but significant bug in PostgreSQL's buffer I/O completion log...
PSA: Planning to grease protocol connections during 19beta
## Grease Failure Reporting Process — New Discussion The new messages introduce a concrete proposal for **how grease-induced failures should be reported back to the PostgreSQL community**. This is a ...
Fix DROP PROPERTY GRAPH "unsupported object class" error
# Monthly Summary: Fix DROP PROPERTY GRAPH "unsupported object class" error — May 2026 ## Problem Statement PostgreSQL's SQL/PGQ Property Graph feature (authored by Peter Eisentraut) introduces cata...
pg_createsubscriber: allow duplicate publication names
# pg_createsubscriber: Allow Duplicate Publication Names ## Core Problem `pg_createsubscriber` is a utility that converts a physical standby into a logical replica by creating subscriptions on the ...
deep copy with mutation?
# Deep Technical Analysis: Deep Copy with Mutation in PostgreSQL Tree Walkers ## Core Problem PostgreSQL's query processing pipeline frequently needs to create modified copies of expression trees (...
[PATCH] Prevent repeated deadlock-check signals in standby buffer pin waits
## Incremental Update: v3 Patch Submitted and Marked Ready for Committer ### v3 Patch Design The author (JoongHyuk) submitted v3 addressing the regression identified in the previous round. The key d...
BUG with accessing to temporary tables of other sessions still exists
# BUG: Accessing Temporary Tables of Other Sessions via Relation Extension Path ## Core Problem PostgreSQL's temporary table isolation has a gap in its enforcement mechanism. Two prior commits (409...
[DESIGN] Soft DROP TABLE, recoverable drops for PostgreSQL
# Deep Technical Analysis: Soft DROP TABLE / Recoverable Drops for PostgreSQL ## Core Problem `DROP TABLE` in PostgreSQL is an irreversible DDL operation that permanently removes the relation's hea...
Avoid orphaned objects dependencies, take 3
## Incremental Update: TOCTOU Patch v2 Arrives, Jeff Davis Raises Spurious Error Concern ### New Development: Bertrand's TOCTOU Protection Patch (0002 replacement) With patch 0001 committed and back...
Extended statistics improvement: multi-column MCV missing values
# Extended Statistics Improvement: Multi-Column MCV Missing Values — May 2026 Summary ## Problem Statement PostgreSQL's extended statistics system wastes multi-column MCV information when a queried ...
[PATCH] Add pg_get_table_ddl() to reconstruct CREATE TABLE statements
# Technical Analysis: pg_get_table_ddl() for CREATE TABLE Statement Reconstruction ## Core Problem PostgreSQL has incrementally built a family of DDL-reconstruction functions (`pg_get_database_ddl`...
[PATCH] doc: Document that invalid indexes are skipped during ATTACH PARTITION
## Incremental Update: v2 Patch and Michael Paquier's Editorial Feedback ### What's New Two new messages advance the discussion: 1. **moali.pg** posted **v2 of the patch**, adopting Sami Imseih's r...
Use pg_current_xact_id() instead of deprecated txid_current()
## Incremental Update: v6 Patch and Ready for Committer Status This round contains no new technical substance. The only changes are: 1. **OID renumbering (v6):** Shinya Kato moved the catalog OIDs f...
[PATCH] Fix recognizing 0x11A7 as a Hangul T syllable in Unicode normalization
# Technical Analysis: Fix for Hangul Syllable Composition Bug in Unicode Normalization ## Core Problem PostgreSQL's Unicode normalization implementation contains a subtle off-by-one error in its Ha...
Add wait events for server logging destination writes
## Incremental Update: Scope Expansion Questions Two new messages advance the discussion by raising questions about **completeness of coverage** — whether the patch should instrument additional loggi...
Fix bug of CHECK constraint enforceability recursion
## Incremental Update: Fix Bug of CHECK Constraint Enforceability Recursion ### Summary of New Developments The patch has progressed from v3 to v7. A new participant (Zsolt Parragi from Percona) joi...
Fix \crosstabview to honor \pset display_true/display_false
# Fix \crosstabview to Honor \pset display_true/display_false ## Technical Problem PostgreSQL 19 introduced a new psql feature (commit 645cb44c5) that allows users to customize how boolean values a...
[(known) BUG] DELETE/UPDATE more than one row in partitioned foreign table
## Incremental Update: Fujita Submits Revised `remotely_inherited` Patch (v2) Etsuro Fujita has responded to hukutoc's patch set with a revised version of his back-patchable solution, explicitly prio...
BackgroundPsql swallowing errors on windows
# BackgroundPsql Swallowing Errors on Windows: Deep Technical Analysis ## Core Problem The PostgreSQL TAP testing infrastructure relies on `BackgroundPsql.pm` to maintain long-running `psql` sessio...
[PATCH] Clarify that ssl_groups is for any key exchange groups
# Technical Analysis: Clarifying `ssl_groups` Parameter Documentation for Post-Quantum Key Exchange ## Core Problem PostgreSQL 18 introduced the `ssl_groups` GUC parameter to replace the older `ssl...
Improving tracking/processing of buildfarm test failures
## May 2026 Monthly Report — Incremental Update This is Alexander Lakhin's latest monthly buildfarm failure report (May 2026 data). It follows the established format with no structural changes to met...
Row pattern recognition
## New in this round: varId encoding decision settled, Jian's executor questions answered, empty-pattern rationale documented ### 1. varId Encoding: Option (3) Chosen — Reserve 16 Control Codes at 0x...
CREATE TABLE LIKE INCLUDING PRIVILEGES
# CREATE TABLE LIKE INCLUDING PRIVILEGES — Technical Analysis ## Core Problem The `CREATE TABLE ... LIKE` statement in PostgreSQL allows copying a table's structure (columns, constraints, indexes, ...
Vacuumlo improvements
# Vacuumlo Improvements — May 2026 Summary ## Overview A critical correctness bug was identified in `vacuumlo`: the tool silently skips columns typed as domains over `oid` or `lo`, causing it to inc...
Init connection time grows quadratically
# Init Connection Time Grows Quadratically: Technical Analysis ## Core Problem The thread investigates a surprising performance characteristic: PostgreSQL's initial connection time (ICT) — the time ...
RFC: Allow EXPLAIN to Output Page Fault Information
## Incremental Update: 2026-06-01 ### Author Response to Review and Viability Concerns Atsushi Torikoshi responded to both the commitfest review bug report (from Ilmar Yunusov) and the strategic via...
Fix regression in vacuumdb --analyze-in-stages for partitioned tables
## Update: Patch Committed The patch has been pushed to the repository. No new technical discussion or design changes occurred — the thread concluded with administrative tracking and commit confirmat...
[PATCH] Use ssup_datum_*_cmp for int2, oid, and oid8 sort support
# Technical Analysis: Use ssup_datum_*_cmp for int2, oid, and oid8 Sort Support ## Core Problem PostgreSQL's tuplesort infrastructure includes a radix sort fast path (commit ef3c3cf6d02) that provid...
PostgreSQL 19 Beta 1 release announcement draft
## Incremental Update: PostgreSQL 19 Beta 1 Announcement Draft (Round 2) ### Summary of New Developments The thread progressed with several new feature inclusion requests, a terminology correction, ...
Fix race during concurrent logical decoding activation
## Incremental Update: v4 Patch Posted and Approved ### Summary Sawada posted v4 of the patch incorporating the remaining minor fixes identified in the prior review round. Evan confirmed he's satisf...
DBeaver Experiencing timeouts while connecting to New Linux PostgreSql server
## Incremental Update: DBeaver Connection Timeouts Thread ### What's New The thread saw three new messages (June 1, 2026), but contains **no substantive technical progress** toward resolution and re...
Eager aggregation, take 3
## Incremental Update: Semi/Anti Join Bug Fix Committed The semi/anti join bug identified in the prior analysis has now been resolved and committed. ### The Fix Richard Guo's fix is surgically targ...
[PATCH] Add regression tests for btree skip scan support functions
# Technical Analysis: Regression Tests for B-tree Skip Scan Support Functions ## Core Problem PostgreSQL 18 introduced the **B-tree skip scan optimization** (commit 92fe23d93aa), which allows index...
Centralised architecture detection
# Centralised Architecture Detection in PostgreSQL ## The Core Problem PostgreSQL's codebase relies on compiler-defined preprocessor macros to detect CPU architecture and conditionally compile archi...
Interest in Faster Unicode Normalization
# Interest in Faster Unicode Normalization ## Technical Problem Unicode normalization is a fundamental operation in PostgreSQL's text processing pipeline. It is required for: 1. **Collation correc...
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## Commit Confirmation Michael Paquier has committed the fix as `273a3c77615e`. This closes the thread with the single-character correction (`args[0]` → `args[1]`) now applied to the tree. No further...
[PATCH] Fix segmentation fault caused by reentrancy in RI_Fkey_cascade_del (ri_triggers.c)
## Incremental Update: v2 Patch Submitted (Regression Test Fixes) Lucas Jeffrey posted a v2 of the patch on 2026-06-01, stating it fixes failing regression tests that were detected after the initial ...
Reject HEADER with binary and json COPY formats by option presence
## Incremental Update: New Responses and Emerging Disagreement Three new messages since the prior analysis, introducing a notable counter-position from a senior contributor. ### Summary of New Activ...
[PATCH] Fix NULL dereference in subscription REFRESH on concurrent DROP
## Incremental Update: Review Comment from Ajin Cherian A new reviewer (Ajin Cherian, Fujitsu Australia) has provided brief feedback on the patch. The technical substance is minimal: ### New Point R...
Proposal: Conflict log history table for Logical Replication
## Round Update: v44/v45 Posted, Naming Settled, New Bugs Surface This round sees significant progress on multiple fronts: naming conventions finalized per Amit's direction, patches v44 and v45 poste...
pg_stat_statements: Fix normalization of + signs for FETCH and MOVE
# pg_stat_statements: Normalization Bug with `+` Signs in FETCH/MOVE ## Core Problem The `pg_stat_statements` extension incorrectly normalizes queries containing a `+` sign before integer constants...
A few message wording/formatting cleanup patches
## Incremental Update: Review Progress on Patch 0001 (Property Graph Object Descriptions) The only substantive activity since the last analysis concerns **Patch 0001** (making property graph object d...
Make memory checking / sanitizing infrastructure better
## Incremental Update: Peter Eisentraut's Response No substantive technical progress in this round. Peter Eisentraut's message is a brief acknowledgment/endorsement ("This all sounds entirely reasona...
should we have a fast-path planning for OLTP starjoins?
## Incremental Update: June 1, 2026 ### Summary Robert Haas returns with a substantive review comment and proposes a novel alternative/complementary approach to join search space pruning. Tomas Vond...
problems with toast.* reloptions
# Monthly Summary: Problems with toast.* reloptions (May 2026) ## Overview This thread reached a critical juncture in May 2026, with Nathan Bossart's investigation revealing that `toast.*` reloption...
Allow table AMs to define their own reloptions
# Allow Table AMs to Define Their Own Reloptions ## Core Problem PostgreSQL's Table Access Method (TAM) API, introduced in PostgreSQL 12, allows custom storage engines to be plugged in as alternativ...
postgres_fdw: Emit message when batch_size is reduced
# postgres_fdw: Emit Message When batch_size is Reduced ## Core Problem In PostgreSQL's `postgres_fdw` (the foreign data wrapper for connecting to remote PostgreSQL servers), users can configure a ...
Does MSVC predefine __x86_64__ on 64-bit Intel?
# Technical Analysis: MSVC Predefined Architecture Macros and __x86_64__ ## Core Problem Tom Lane identified a latent portability and correctness issue in PostgreSQL's preprocessor-based architectur...
injection_points: Switch wait/wakeup to use atomics rather than latches
## Incremental Update: New Discussion on Wait Point Detection Without PGPROC The thread has advanced with a focused sub-discussion on **how to detect that a wait point has been reached** when there i...
[PATCH] Rebuild CHECK constraints after generated column SET EXPRESSION
## Incremental Update: v6 Patch Posted with Minor Fix ### Summary Jian He responded to Zsolt Parragi's review comment with a brief acknowledgment ("OK.") and posted what appears to be a v6 patch inc...
[PATCH] Fix libxml leaks in contrib/xml2 XPath functions
## Incremental Update: Thread Progresses Toward Merged Resolution ### Summary Michael Paquier (committer) acknowledged the original patches, identified two additional leak sites, and produced a v2 p...
Adding REPACK [concurrently]
## Incremental Update: June 1–3, 2026 ### Minimal Substantive Progress Only two new messages appeared since the last analysis, neither introducing significant new technical content: **1. Hou Zhijie...
create table like including storage parameter
## New in this round: Lakshmi Krishnamurthy responds to Zsolt's review with design clarification ### Author's response (2026-06-04) Lakshmi (jian.universality@gmail.com) responds to Zsolt Parragi's ...
autovacuum launcher crash: assert in pgstat_count_io_op (IOOP_EXTEND on pg_database's VM)
## Incremental Analysis: Root Cause Confirmed, Fix Strategy Agreed ### Summary of Progress The thread has moved from initial bug report to full root cause identification, a proposed patch, expert re...
DOCS - missing SGML markup in some ALTER PUBLICATION examples
# DOCS - Missing SGML Markup in ALTER PUBLICATION Examples ## Core Problem This thread addresses a trivial documentation defect in the PostgreSQL documentation source files. Specifically, some exam...
Unify parallel worker handling for index builds and instrumentation
## Incremental Update: Review Feedback and Series Reordering Discussion ### Summary The thread received substantive review feedback from two reviewers (Sami Imseih and Michael Paquier), leading the ...
[Patch] Fix check_pub_rdt bypass when origin is set in same ALTER SUBSCRIPTION
## Incremental Update: Second Reviewer Acknowledgment No substantive technical progress since the last analysis. Hou Zhijie (houzj.fnst@fujitsu.com) replied confirming the fix looks good to him as we...
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## Incremental Update: Backpatching Discussion and Test Decision ### What's New Fujii Masao's latest message introduces two new points: 1. **Decision against adding regression tests**: Fujii agrees...
Fix race in ReplicationSlotRelease for ephemeral slots
## Incremental Update: Fix Race in ReplicationSlotRelease for Ephemeral Slots ### Main Patch Committed Fujii committed the original fix for the ephemeral slot race condition. He decided **against** ...
[PATCH] Fix overflow and underflow in regr_r2()
## Incremental Update: Both Patches Committed Dean Rasheed confirms both patches (regr_r2 and regr_intercept overflow/underflow fixes) have been pushed to HEAD on 2026-06-03. No further technical dis...
Heads Up: cirrus-ci is shutting down June 1st
## Incremental Update: v7a-v8 Patches, Test Performance Analysis, and Fork Security Resolution ### Major Technical Progress #### Andres's Large Incremental Patch (v7a series, June 1) Andres posted...
Make printtup a bit faster
# Monthly Summary: Make printtup a bit faster (May 2026) ## Overview After a two-year hiatus (2024–2026), this thread reached design consensus in May 2026. The long-standing debate over how to elimi...
[PATCH] btree_gist: add cross-type integer operator support for GiST
# Monthly Summary: Cross-type integer operator support for btree_gist (May 2026) ## Overview This thread proposes adding cross-type operator family entries to `btree_gist` for integer types (int2, i...
Add pg_stat_kind_info system view
## Incremental Update: Paquier Concedes on Callbacks, Refines `shared_size` Semantics Michael Paquier responds with a concession on the callback columns and a new technical suggestion about `shared_s...
Commit Sequence Numbers and Visibility
# Commit Sequence Numbers and Visibility: Deep Technical Analysis ## Core Problem PostgreSQL's current snapshot mechanism is built on the **procarray** — a shared-memory structure listing all active...
Exit walsender before confirming remote flush in logical replication
## Refined Root Cause: Authentication-Phase Shutdown, Not `ready_to_display` Race The prior analysis hypothesized the race was about `ready_to_display` being set before the walreceiver entered its ma...
[PATCH] Add NESTED_STATEMENTS option to EXPLAIN
## Incremental Analysis: v5 Patch Addressing All Review Feedback ### Summary Mohamed Ali responded to all five of Zsolt Parragi's review objections with a comprehensive v5 patch that fixes both logi...
Support EXCEPT for ALL SEQUENCES publications
## Round Update: Peter Smith Reviews v8 Patches; Nisha Posts v9; Zsolt Parragi Finds Two Bugs in Schema EXCEPT Validation ### Key Technical Activity This round contains Peter Smith's review of Nisha...
POC: enable logical decoding when wal_level = 'replica' without a server restart
## No Substantive Technical Progress The only new message is from Masahiko Sawada confirming the administrative action of moving the open item to "Non-bugs" status, as previously proposed. This is a ...
Add autovacuum_warning to surface concurrent vacuum collisions
# Technical Analysis: Add autovacuum_warning to Surface Concurrent Vacuum Collisions ## Core Problem PostgreSQL's autovacuum system has a significant observability gap between "everything is fine" ...
Multi-Entry Indexing for GiST & SP-GiST
## Incremental Analysis: Memory Boundedness Concern for TID Deduplication Two new participants engage with the patch, with Matthias van de Meent raising a fundamental correctness/resource concern abo...
alert clients when prepared statements are deallocated
## Incremental Update: Patch v2 Posted, Critical Race Condition Identified ### Major Development: Protocol Extension Approach (Not Version Bump) Nathan Bossart posted a concrete patch (v2) implement...
generic plans and "initial" pruning
## Incremental Update: v13 Review and DML Limitation Discovered ### New External Review (Ilmar Yunusov) A new reviewer tested v13 of the patch series (based on Amit's 2026-05-29 posting) and provide...
Add pg_get_publication_ddl function
# Monthly Summary: Add pg_get_publication_ddl Function — May 2026 ## Overview This thread progressed significantly in May 2026, moving from an initial v1 patch with multiple bugs to a substantially ...
Add RISC-V Zbb popcount optimization
## Incremental Analysis: Clang Bug Root Cause Confirmed and Version Bounds Established ### Key Development: Minimal Reproducer and Definitive Version Pinning Greg has made significant progress on th...
SLOPE - Planner optimizations on monotonic expressions.
# SLOPE: Planner Optimizations on Monotonic Expressions — May 2026 Summary ## Overview The SLOPE patch enables PostgreSQL's planner to recognize that monotonic transformations of indexed columns pre...
[Bug]Assertion failure in LATERAL GRAPH_TABLE with multi-label pattern
# Monthly Summary: Assertion Failure in LATERAL GRAPH_TABLE with Multi-label Pattern (May 2026) ## Overview A bug was reported and fixed in PostgreSQL's SQL/PGQ `GRAPH_TABLE` implementation where a ...
Non-superuser subscription owners
## Incremental Update: Provenances Discussion Continues (June 1, 2026) The new messages continue the theoretical discussion around Robert Haas's "provenances" proposal from the prior analysis. The co...
pg_rewind does not rewind diverging timelines
## New Developments Since Last Analysis ### New Reviewer Challenge: History-Based Matching as Alternative Kyotaro Horiguchi raised a design-level question: could the existing timeline history inform...
[PATCH] doc: explain database-wide impact of old xmin on VACUUM
# Technical Analysis: [PATCH] doc: explain database-wide impact of old xmin on VACUUM ## Core Problem This thread addresses a documentation gap in PostgreSQL regarding how a single old transaction's...
hashjoins vs. Bloom filters (yet again)
## Incremental Update: v2 Patch Series (Hash Join-Local Bloom Filters) and Architectural Discussion ### Major Development: v2 Patch Series — Bloom Filters Within Hash Join Scope Tomas Vondra posted ...
Use TEXT_DUMP_HEADER macro instead of hard-coded string in pg_backup_archiver.c
## Technical Analysis: Use TEXT_DUMP_HEADER Macro Instead of Hard-Coded String in pg_backup_archiver.c ### Core Problem In PostgreSQL's backup/restore infrastructure (`pg_backup_archiver.c`), the f...
Report oldest xmin source when autovacuum cannot remove tuples
## Incremental Update: Report Oldest Xmin Source — Debate Shifts to Log vs. SQL View ### Summary A significant architectural debate has emerged about whether the blocker information belongs in VACUU...
Key joins
## Incremental Update: Errata Fix to Key Join Paper (Section 7.4.13) No substantive technical progress in this round. The new messages are minor errata corrections to the key join paper/specification...
[PATCH]Refactor and unify expression construction functions in makefuncs.c
# Analysis: Refactor and Unify Expression Construction Functions in makefuncs.c ## Core Problem The patch author identified what they perceived as redundant code in `makefuncs.c` — specifically, se...
Wrong unsafe-flag test in check_output_expressions()
# Wrong unsafe-flag test in check_output_expressions() ## Technical Problem This thread addresses a subtle bug in PostgreSQL's query optimizer, specifically in the `check_output_expressions()` func...
Improve pg_stat_statements scalability
## Incremental Update: Review of v3-0001 (In-Transaction Flush) — Architectural Debate on pgstat Flush Design ### What's New The discussion has shifted focus to the **foundational patch 0001** (`pg_...
Use ereport() instead of elog() for invalid weights in setweight()
# Technical Analysis: Use ereport() instead of elog() for invalid weights in setweight() ## Core Problem The `setweight()` function in PostgreSQL's full-text search subsystem (`tsvector_op.c`) uses...
glob support in extension_control_path/dynamic_library_path?
## Incremental Update: Patch Posted Jakob Egger has posted an initial patch implementing glob support. Two new developments: ### 1. Patch Submitted (v1) Jakob shared a concrete implementation. Key ...
[PATCH] Remove obsolete tupDesc assignment in extended statistics
## Incremental Update: Michael Paquier's Response Michael Paquier (a committer) responds with two substantive contributions: 1. **Historical context**: He suggests the obsolete `tupDesc` assignment ...
Fix column privileges for pg_subscription.subwalrcvtimeout
# Fix Column Privileges for pg_subscription.subwalrcvtimeout ## Core Problem When the `subwalrcvtimeout` column was added to the `pg_subscription` system catalog (commit fb80f38), the corresponding ...
synchronized_standby_slots behavior inconsistent with quorum-based synchronous replication
# Monthly Summary: synchronized_standby_slots Behavior Inconsistent with Quorum-Based Synchronous Replication (May 2026) ## Overview This thread addresses a fundamental availability mismatch in Post...
[PoC] Umbra: a remap-aware smgr prototype on PostgreSQL master
# Umbra: A Remap-Aware smgr Prototype on PostgreSQL Master ## Executive Summary Umbra is a proof-of-concept alternative storage manager (smgr) implementation for PostgreSQL that decouples logical pa...
Race conditions in logical decoding
# Race Conditions in Logical Decoding: CLOG vs Snapshot Consistency ## The Core Problem This thread exposes a fundamental race condition in PostgreSQL's logical decoding infrastructure that can caus...
Broken build on macOS (Universal / Intel): cpuid instruction not available
# Monthly Summary: Broken macOS Universal/Intel Builds — cpuid Instruction Not Available (May 2026) ## Overview A build regression introduced by the centralization of x86 CPU feature detection in Po...
Use streaming read I/O when enabling data checksums online
# Technical Analysis: Use Streaming Read I/O When Enabling Data Checksums Online ## Core Problem PostgreSQL's online checksum enablement feature (which allows enabling data checksums on a running c...
pgsql: Advance restart_lsn more eagerly in LogicalConfirmReceivedLocati
# Analysis: Advance restart_lsn More Eagerly in LogicalConfirmReceivedLocation ## Core Problem This thread is a brief post-commit follow-up regarding a patch that was already pushed to PostgreSQL. T...
(SQL/PGQ) cache lookup failed for label
# Monthly Summary: (SQL/PGQ) cache lookup failed for label — May 2026 ## Overview A dependency-tracking bug in PostgreSQL's SQL/PGQ (Property Graph Queries) implementation was reported, diagnosed, p...
future of PQfn()
## Incremental Update: New Patch Set Reordering Strategy ### Key Development Nathan posted a new patch set (2026-06-03) that reflects a strategic reordering of the work: 1. **0001**: Removes PQfn()...
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# Optimize RelfilenumberMapInvalidateCallback for Logical Decoding Performance ## Core Problem The thread addresses a significant performance bottleneck in PostgreSQL's logical decoding (walsender)...