data/backlog_report.md

sqlalchemy/sqlalchemy Backlog Intelligence Packet

Coverage

• Generated: 2026-07-07T19:49:19+00:00
• Open issues represented: 186 of 186 listed
• Open PRs represented: 32 of 32 listed
• Full collection: True
• Work thread active coverage: True
• Issue collapse coverage: 186 open issues in 99 groups
• Issue collapse full coverage: True
• Issue review-unit reduction: 46.8%
• Maintainer action bundles: 75
• Local PR draft packages: 23
• Existing PR decision bundles: 23
• Full issue/PR bundle coverage: True
• No-write audit rows: 207
• No-write audit GitHub actions allowed: False
• Relationship edges: 312
• Public actions authorized: False

Local Board Simulation

• Covered open issues: 186
• Covered open PRs: 32
• GitHub actions allowed: False
• Resolution hash: a4206ca984177a84dc3136c71b1201b6a95266c48ed4a2f991902a5abd571b04
• This local board simulation shows what the tool would open, review, close, merge, or park, without doing any of it on GitHub.

No-Write Audit Packet

• All open issue proof rows: 186
• Stale open PR proof rows: 21
• Proof hash: 9d91dbc2f3a3adbe6f66ac8c263ff87cecb0ecacdde4b322bccad0778ef34f90
• These rows are attachable evidence of what the tool can triage, but they do not comment, label, close, merge, or upload anything.

Maintainer Review Threads

• Multi-issue groups: 37

• PR-backed groups: 19

• Singleton issue groups retained for audit: 62

• 1 issue - Review thread: 1 issue + 1 PR - pr #13323: Apply tuple bind expressions to expanding IN values - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#8992; active PRs: PR #13323)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13402: Allow inspection registrations from module reloads - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#10748; active PRs: PR #13402)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13303: Fix PostgreSQL CHECK constraint reflection stripping unrelated parens - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#13157; active PRs: PR #13303)

• 5 issues - Review thread: 5 issues + 1 PR - pr #13289: fix: raise clear error when default_factory/default passed to WriteOnlyMapped/DynamicMapped relationship - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#9410, #9493, #9930, #10094, #13227; active PRs: PR #13289)

• 1 issue - Review thread: 1 issue + 1 PR - pr #12433: Coerce aliased Select and CompoundSelect to subquery - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#6274; active PRs: PR #12433)

• 2 issues - Review thread: 2 issues + 3 PRs - pr #12697: Support schema-qualified collation in types for PostgreSQL - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#6511, #9693; active PRs: PR #12697, PR #12698, PR #13418)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13421: Fix oracledb async dialect entering cursors synchronously - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#13420; active PRs: PR #13421)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13405: # Cython batch instance processor — ~10–30% on most loads (collection joinedload −5%) - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#13407; active PRs: PR #13405)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13404: Subqueryload without per-row Row construction — ~26% on subqueryload - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#13406; active PRs: PR #13404)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13399: UniqueConstraint and Index withheld from table via attach_to_table flag, and appended to table via append_constraint - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#13048; active PRs: PR #13399)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13398: fix catastrophic backtracking in sqlite inline unique reflection regex - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#13419; active PRs: PR #13398)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13368: Document deprecated MySQL (M,D) float syntax and improve error message - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#11132; active PRs: PR #13368)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13288: fix(pool): use time.monotonic() instead of time.time() for connection timestamps - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#13169; active PRs: PR #13288)

• 1 issue - Review thread: 1 issue + 1 PR - pr #13051: Added implementations for avg & abs - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#13049; active PRs: PR #13051)

• 1 issue - Review thread: 1 issue + 1 PR - pr #12297: refactor(MSExecutionContext): improve identity insert handling and va… - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#11620; active PRs: PR #12297)

• 1 issue - Review thread: 1 issue + 1 PR - pr #11296: Ability to specify WITH when creating a table + fixes WITH when creating an index - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#11122; active PRs: PR #11296)

• 9 issues - Review thread: 9 issues + 1 PR - pr #12731: fix(typing): allow DeclarativeBase subclasses in with_for_update(of=...) - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#6120, #6810, #9301, #9587, #10351, #10527, #10888, #11686, #13357; active PRs: PR #12731)

• 1 issue - Review thread: 1 issue + 1 PR - pr #12401: Make loader strategy error message more verbose - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#12398; active PRs: PR #12401)

• 1 issue - Review thread: 1 issue + 1 PR - pr #10574: fixes: #2943, allow overriding validates for inheritance - linked work thread - Review issues, active PRs, referenced context, checks, and review guidance together instead of reopening each issue separately. (#2943; active PRs: PR #10574)

• 1 issue - Review thread: 1 issue - issue #7035: Use innodb in the test suite when using mysql/mariadb - linked work thread - Handle this tests stale queue with one sweep policy instead of rediscovering old context issue by issue. (#7035)

Maintainer Work Threads

• 94 pr #13323: Apply tuple bind expressions to expanding IN values - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13323, then review the thread evidence together. (issue #8992, PR #13323; context: issue #8989)
• 73 pr #13402: Allow inspection registrations from module reloads - PR blocked - Review active PRs and linked issues as one maintainer work thread. (issue #10748, PR #13402)
• 73 pr #13421: Fix oracledb async dialect entering cursors synchronously - PR blocked - Review active PRs and linked issues as one maintainer work thread. (issue #13420, PR #13421)
• 70 pr #12697: Support schema-qualified collation in types for PostgreSQL - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13418, then review the thread evidence together. (issue #6511, issue #9693, PR #12697, PR #12698, PR #13418; context: PR #12510)
• 70 pr #13368: Document deprecated MySQL (M,D) float syntax and improve error message - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13368, then review the thread evidence together. (issue #11132, PR #13368)
• 70 pr #13399: UniqueConstraint and Index withheld from table via attach_to_table flag, and appended to table via append_constraint - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13399, then review the thread evidence together. (issue #13048, PR #13399)
• 70 pr #13404: Subqueryload without per-row Row construction — ~26% on subqueryload - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13404, then review the thread evidence together. (issue #13406, PR #13404)
• 70 pr #13405: # Cython batch instance processor — ~10–30% on most loads (collection joinedload −5%) - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13405, then review the thread evidence together. (issue #13407, PR #13405)
• 70 pr #13398: fix catastrophic backtracking in sqlite inline unique reflection regex - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13398, then review the thread evidence together. (issue #13419, PR #13398)
• 65 pr #12401: Make loader strategy error message more verbose - PR blocked - Review active PRs and linked issues as one maintainer work thread. (issue #12398, PR #12401; context: issue #10668)
• 62 pr #13303: Fix PostgreSQL CHECK constraint reflection stripping unrelated parens - waiting on contributor - Wait for contributor update on PR #13303; keep related issue/PR context attached. (issue #13157, PR #13303; context: PR #13188, PR #13200)
• 60 pr #13415: scalars/mappings performance improvement. - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13415, then review the thread evidence together. (PR #13415)
• 60 pr #13416: Perf/eager collection bulk extend - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13416, then review the thread evidence together. (PR #13416)
• 60 pr #13417: Add type annotations to sqlalchemy.ext.serializer - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13417, then review the thread evidence together. (PR #13417)
• 55 pr #10574: fixes: #2943, allow overriding validates for inheritance - PR blocked - Review active PRs and linked issues as one maintainer work thread. (issue #2943, PR #10574)
• 55 pr #12645: enable mypy "ignore-without-code" rule - PR blocked - PR blocked (PR #12645)
• 52 pr #13289: fix: raise clear error when default_factory/default passed to WriteOnlyMapped/DynamicMapped relationship - waiting on contributor - Wait for contributor update on PR #13289; keep related issue/PR context attached. (issue #9410, issue #9493, issue #9930, issue #10094, issue #13227, PR #13289; context: issue #5811, issue #9350, issue #9563, issue #9785, issue #9927, issue #12168)
• 52 pr #12433: Coerce aliased Select and CompoundSelect to subquery - waiting on contributor - Wait for contributor update on PR #12433; keep related issue/PR context attached. (issue #6274, PR #12433; context: issue #10236)
• 52 issue #9548: relationship loader options do a "recursive" thing inconsistently - high-priority/blocker - high-priority/blocker (issue #9548)
• 52 pr #13137: Use _effective_decimal_return_scale in Numeric.result_processor - waiting on repo owner test approval - Approve or inspect gated test run(s) for PR #13137, then review the thread evidence together. (PR #13137)

Maintainer Attention Queue

• 94 issue #8992: tuple expanding params do not render bind_expression() for elements - has linked PR - review early; this can change release or regression risk
• 73 pr #13421: Fix oracledb async dialect entering cursors synchronously - PR blocked - identify whether block is CI, merge conflict, or review gate
• 73 pr #13402: Allow inspection registrations from module reloads - PR blocked - identify whether block is CI, merge conflict, or review gate
• 70 pr #13405: # Cython batch instance processor — ~10–30% on most loads (collection joinedload −5%) - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 70 pr #13398: fix catastrophic backtracking in sqlite inline unique reflection regex - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 70 pr #13418: Use identifier preparer for string type collations - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 70 pr #13399: UniqueConstraint and Index withheld from table via attach_to_table flag, and appended to table via append_constraint - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 70 pr #13404: Subqueryload without per-row Row construction — ~26% on subqueryload - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 70 pr #13368: Document deprecated MySQL (M,D) float syntax and improve error message - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 65 pr #12401: Make loader strategy error message more verbose - PR blocked - identify whether block is CI, merge conflict, or review gate
• 62 issue #10748: schemes that attempt to reload modules are blocked by the inspection registry - has linked PR - review linked PR state before touching issue
• 62 pr #13323: Apply tuple bind expressions to expanding IN values - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 62 issue #13157: PostgreSQL check constraint reflection strips brackets naively - has linked PR - review linked PR state before touching issue
• 60 pr #13415: scalars/mappings performance improvement. - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 60 pr #13417: Add type annotations to sqlalchemy.ext.serializer - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 60 pr #13416: Perf/eager collection bulk extend - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 55 pr #12645: enable mypy "ignore-without-code" rule - PR blocked - identify whether block is CI, merge conflict, or review gate
• 55 pr #10574: fixes: #2943, allow overriding validates for inheritance - PR blocked - identify whether block is CI, merge conflict, or review gate
• 52 pr #13312: test: add coverage for delete with nested alias exists - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes
• 52 pr #13137: Use _effective_decimal_return_scale in Numeric.result_processor - waiting on repo owner test approval - approve or inspect the gated test run before asking the contributor for changes

Issue Buckets

• stale/low urgency: 157
• good volunteer slice: 36
• has linked PR: 16
• needs maintainer decision: 15
• high-priority/blocker: 4
• waiting on contributor: 3

PR Buckets

• stale/low urgency: 21
• has linked issue: 18
• waiting on repo owner test approval: 12
• waiting on contributor: 11
• PR blocked: 7
• draft/noise: 3

Top Clusters

• PR #13421 with linked issues: pr #13421, issue #13420. Review the issue and PR together instead of triaging both separately.
• PR #13418 with linked issues: pr #13418, issue #9693. Review the issue and PR together instead of triaging both separately.
• PR #13405 with linked issues: pr #13405, issue #13407. Review the issue and PR together instead of triaging both separately.
• PR #13404 with linked issues: pr #13404, issue #13406. Review the issue and PR together instead of triaging both separately.
• PR #13402 with linked issues: pr #13402, issue #10748. Review the issue and PR together instead of triaging both separately.
• PR #13399 with linked issues: pr #13399, issue #13048. Review the issue and PR together instead of triaging both separately.
• PR #13398 with linked issues: pr #13398, issue #13419. Review the issue and PR together instead of triaging both separately.
• PR #13368 with linked issues: pr #13368, issue #11132. Review the issue and PR together instead of triaging both separately.
• PR #13323 with linked issues: pr #13323, issue #8992. Review the issue and PR together instead of triaging both separately.
• PR #13303 with linked issues: pr #13303, issue #13157. Review the issue and PR together instead of triaging both separately.
• PR #13289 with linked issues: pr #13289, issue #13227. Review the issue and PR together instead of triaging both separately.
• PR #13288 with linked issues: pr #13288, issue #13169. Review the issue and PR together instead of triaging both separately.
• PR #13051 with linked issues: pr #13051, issue #13049. Review the issue and PR together instead of triaging both separately.
• PR #12697 with linked issues: pr #12697, issue #9693. Review the issue and PR together instead of triaging both separately.
• PR #12401 with linked issues: pr #12401, issue #12398. Review the issue and PR together instead of triaging both separately.
• PR #12297 with linked issues: pr #12297, issue #11620. Review the issue and PR together instead of triaging both separately.
• PR #11296 with linked issues: pr #11296, issue #11122. Review the issue and PR together instead of triaging both separately.
• Possible related issues #10094 and #9410: issue #10094, issue #9410. Consider whether these can share one answer, close path, or implementation thread.
• Possible related issues #12585 and #8795: issue #12585, issue #8795. Consider whether these can share one answer, close path, or implementation thread.

Limits

• This is an offline, read-only maintainer attention report.
• It does not comment, label, close, merge, or submit anything on GitHub.
• Public bundle exports are reduced rows and short excerpts; full raw API responses remain local unless explicitly approved.
• Duplicate clusters are suggestions for maintainer review, not automatic close decisions.