schema: review-report-v2
source: postgresql-master
slug: commitfest-7248-review
target: CommitFest 7248 — comment-only grammar fix in src/backend/replication/logical/logicalctl.c
base: 55fa1b06780ab16a2d48532a3b68451f6b6cc3d8
head: 55fa1b06780ab16a2d48532a3b68451f6b6cc3d8
diff_sha256: cc9fbf2659f12895f9050bcdd894673999e89571de4ccf99c4d122a8858b0d37
verdict: ready-for-committer
blocker_counts:
  verified: 0
  unverified: 0
coverage_requirement: not-applicable
model: glm-5.2:cloud
seats:
  - pg-patch-reviewer (glm-5.2:cloud)
  - pg-security-reviewer (glm-5.2:cloud)
  - pg-finding-verifier (glm-5.2:cloud)
  - pg-change-coverage-reviewer (glm-5.2:cloud)
handoff_reports:
  - commitfest-7248-review-handoff-patch-reviewer
  - commitfest-7248-review-handoff-security-reviewer
  - commitfest-7248-review-handoff-verifier
  - commitfest-7248-review-handoff-coverage
thread_ledger_slug: commitfest-7248-review-thread-ledger

CommitFest 7248 Review — comment-only grammar fix in EnableLogicalDecoding

• Patch: Fix a typo in EnableLogicalDecoding() — Chao Li (li.evan.chao@gmail.com)
• Thread: pgsql-hackers thread-id 655532 (2026-09-02), "Fix a typo in EnableLogicalDecoding()"
• Scope: working-tree-diff@HEAD 55fa1b06780ab16a2d48532a3b68451f6b6cc3d8, diff sha256 cc9fbf2659f12895f9050bcdd894673999e89571de4ccf99c4d122a8858b0d37
• Changed file: src/backend/replication/logical/logicalctl.c (+3/-3), comment-only
• Base = HEAD: 55fa1b06780ab16a2d48532a3b68451f6b6cc3d8 (uncommitted staged diff; merge-base equals HEAD)
• Verdict: ready-for-committer — 0 blockers, 0 majors, 0 findings of any severity

Overview

The patch rewords one block comment preceding the statement LogicalDecodingCtl->xlog_logical_info = true; inside EnableLogicalDecoding(void) in src/backend/replication/logical/logicalctl.c (lines 356–360). The original wording "All process starts after this point" was ungrammatical (singular noun "process" with the verb "starts", or a missing participle); the new wording "All processes starting after this point" is grammatically correct. The comment is rewrapped to fit the column limit. No executable code is changed: all three added lines and all three removed lines lie entirely inside the /* ... */ block comment. The adjacent executable statement LogicalDecodingCtl->xlog_logical_info = true; (line 361) is byte-for-byte identical to the base.

The comment accurately describes the surrounding code: it sets the shared-memory flag so that processes starting afterward include logical-decoding information in WAL. The subsequent EmitProcSignalBarrier(PROCSIGNAL_BARRIER_UPDATE_XLOG_LOGICAL_INFO) + WaitForProcSignalBarrier (lines 370–371) handles already-running processes, while the comment correctly scopes itself to processes starting after this point, which learn the flag via startup initialization. The corrected wording improves readability without any semantic shift.

Diff under review

diff --git a/src/backend/replication/logical/logicalctl.c b/src/backend/replication/logical/logicalctl.c
index e5340880fa7..2515208fef8 100644
--- a/src/backend/replication/logical/logicalctl.c
+++ b/src/backend/replication/logical/logicalctl.c
@@ -354,9 +354,9 @@ EnableLogicalDecoding(void)
 	}
 
 	/*
-	 * Set logical info WAL logging in shmem. All process starts after this
-	 * point will include the information required by logical decoding to WAL
-	 * records.
+	 * Set logical info WAL logging in shmem. All processes starting after
+	 * this point will include the information required by logical decoding to
+	 * WAL records.
 	 */
 	LogicalDecodingCtl->xlog_logical_info = true;

Findings

None — no BLOCKER, MAJOR, MINOR, or NIT findings. Both the pg-patch-reviewer and pg-security-reviewer seats examined the diff and returned zero findings. The merged/de-duplicated finding set is empty.

Verified-clean / non-findings

• Grammar: "All process starts after this point" → "All processes starting

after this point" is a grammatically correct fix; the original was ungrammatical.

• Comment-reflow regression: The reflow preserves the full original meaning.

No words dropped, no words added, no semantic shift. "to WAL records" wraps cleanly onto the third line.

• Column limit: All three new comment lines are ≤ 78 chars (71, 75, 16),

consistent with the PostgreSQL comment style and pgindent expectations.

• Comment-vs-code consistency: The comment immediately precedes

LogicalDecodingCtl->xlog_logical_info = true; and accurately describes that this sets the shared-memory flag so that processes starting afterward include logical-decoding info in WAL, consistent with the field's declared purpose (XLogLogicalInfo is a process-local cache of LogicalDecodingCtl->xlog_logical_info, initialized at process startup and updated via the barrier). No inconsistency.

• Documentation impact: None — an inline code comment, not user-facing

documentation; no docs/ changes needed.

• No executable code changed → no behavior change → no test changes required.
• No symbol, OID, catversion, or pg_dump impact.
• No pgindent concern (line lengths verified ≤ 78).

Verification Summary

The merged finding set handed to pg-finding-verifier was empty. There is nothing to prove or refute, and no per-finding evidence, reproduction, or pass_on_new rationale applies to an empty set. No build or initdb run was necessary for verification, because there are no findings to reproduce and no patches to validate. No candidate production edits were made in the reviewed (read-only) target worktree, and none were needed in a disposable scratch worktree because there were no findings to repair.

Repair Validation Summary

No repair packets are required. With zero surviving findings there are no candidate code edits, no typed safety waivers, and no concrete HEAD-bound SHA-256-hashed git unified diffs to produce. No candidate patches were applied, built, or tested in disposable scratch because no findings required repair. A successful repair does not prove a finding, and a failed repair does not refute it; here, no findings exist to repair.

Security

A comment-only diff cannot introduce a security defect: C block comments are stripped by the preprocessor before translation; they emit no instructions and cannot alter the AST, control flow, data flow, type system, symbol table, or generated object code. This diff does not alter any #define, #include, attribute macro, or string literal used at runtime. The only executable line in the hunk window is identical to base. No pg-extension-security-reviewer delegation was needed: the changed surface is a single block comment with no SQL-reachable C code. Security verdict: CLEAN.

Test-gap analysis

No changed branches, error paths, or boundaries to enumerate: the patch is comment-only with no executable surface. No test-gap findings. No pg-test-author proposal-only run was required. The existing logical-decoding regression tests (src/test/regress/sql/subscription.sql, src/test/subscription/) continue to exercise the unchanged EnableLogicalDecoding path; no new test is needed for a comment fix.

pgsql-hackers thread ledger

• Ledger report: commitfest-7248-review-thread-ledger (source

postgresql-master)

• Status: reconciled
• Thread: 655532 — "Fix a typo in EnableLogicalDecoding()" (2026-09-02)
• Participants: li.evan.chao@gmail.com, zhong950419@gmail.com,

michael@paquier.xyz

Thread verdict: No objections; committer-accepted; no open items affecting the staged (v1) diff. The staged worktree diff corresponds to the original v1 submission (single comment grammar fix). Shihao Zhong's v2, which bundles three additional typo fixes in logicalctl.c, is not reflected in this diff and would constitute a separate scope if adopted. finding_links is empty by construction because both review seats returned zero findings.

Changed-Code Coverage

• Coverage requirement: not-applicable
• Coverage status: not-applicable
• Reason: CF7248 changes only prose inside a C block comment in

src/backend/replication/logical/logicalctl.c (function EnableLogicalDecoding). All 3 added and 3 removed lines are comment-only (/* ... */), verified against the head tree at lines 356–360. No executable statements, expressions, declarations, or branches were altered; the adjacent statement LogicalDecodingCtl->xlog_logical_info = true; (line 361) is byte-for-byte unchanged. There is no changed instrumentable implementation code to measure, so changed-code coverage is not-applicable rather than cannot-measure.

Changed-line classification

Non-instrumented changes

Uncovered / unmapped changed lines and branches

None. There are no changed instrumentable lines or branches to cover, hence none uncovered and none unmapped.

Whole-function diagnostics

EnableLogicalDecoding — unchanged at the executable level. The only edit within its body is a reflowed block comment. No executable line of the function was modified by this patch, so function-level changed-code coverage is not-applicable.

Test set and fresh-counter evidence

• Test set applied: none (no instrumentable changed code → no coverage run).
• Fresh counter epoch: not established (nothing to instrument).
• Tool versions: not applicable (no gcov/gcovr invocation).
• Integrity errors: []
• No build, test, server start, or counter writes were performed because there

is no instrumentable target. This is a not-applicable outcome, not a measurement failure and not cannot-measure.

Aggregated Test Plan

No new regression, TAP, isolation, unit, or docs test artifacts are required: the patch is comment-only, changes no executable code, and introduces no behavioral surface to test. The existing test suite is unaffected. Nothing is added to the Aggregated Test Plan.

Per-commit rollup

Single uncommitted staged diff (base == head); no per-commit rollup applicable. The staged diff corresponds to the submitter's v1 patch in thread 655532.

Residual risk

None. A comment-only grammar fix cannot affect behavior, security, memory safety, catalog format, wire protocol, or test outcomes. The pgsql-hackers thread shows committer acceptance with no objections.

Provenance / model routes

• Model (all seats): glm-5.2:cloud (user override)
• Policy version/hash: user-fixed model; no tenant routing denial.
• Seats:
• pg-patch-reviewer (glm-5.2:cloud) — handoff commitfest-7248-review-handoff-patch-reviewer
• pg-security-reviewer (glm-5.2:cloud) — handoff commitfest-7248-review-handoff-security-reviewer
• pg-finding-verifier (glm-5.2:cloud) — handoff commitfest-7248-review-handoff-verifier
• pg-change-coverage-reviewer (glm-5.2:cloud) — handoff commitfest-7248-review-handoff-coverage
• Thread ledger: commitfest-7248-review-thread-ledger
• Validator: validate_review_artifact.py (SHA-256

edbcb304ffbd062627196c1ee0ce3d9b60cae80dd7b201e420335fea0a31979e) — exit 0, ok: pg-review-artifact-v2 is structurally complete.

Deterministic verdict

• Verdict: ready-for-committer
• Blocker split: verified 0 / unverified 0
• Rationale: Empty finding set (0 verified, 0 refuted, 0 cannot-verify), 0

blockers. No surviving findings. Coverage not-applicable (comment-only, no instrumentable code). No security, correctness, performance, maintainability, or test objections. Per the deterministic verdict rules: no BLOCKER, no correctness/security MAJOR, no live thread objection, no test-only MAJOR → ready-for-committer.