AAP-90129 Fix RBAC bulk assignment OR-of-pairs filter exceeding SQLite depth limit - #1115
AAP-90129 Fix RBAC bulk assignment OR-of-pairs filter exceeding SQLite depth limit#1115AlanCoding wants to merge 3 commits into
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…e depth limit The bulk assignment path built an OR-of-pairs Q filter to detect which (actor, object_role) pairs already existed, so it could fire post_save signals and activity-stream entries only for genuinely new rows. At scale (1000+ pairs) that filter produces an expression tree SQLite rejects with "Expression tree is too large (maximum depth 1000)". Replace the per-pair filter with PK-range detection: snapshot max(id) before bulk_create(ignore_conflicts=True), then find new rows via filter(id__gt=max_before), narrowed in Python to the batch's exact pairs. This is a constant-size query on the existing PK index regardless of batch shape (skinny or fat), with no schema change. The bulk methods now return only the newly-created assignments. Pairs that already existed are omitted -- bulk_create(ignore_conflicts=True) cannot report skipped rows, and fetching them back is exactly the query that does not scale. give_permission fetches its own pre-existing row when the bulk path returns nothing. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe RBAC changes make single permission assignment idempotent and update bulk assignment creation to return, signal, and audit only newly created assignments. Tests cover repeated assignments, large batches, permissions, signals, and audit entries. ChangesRBAC assignment idempotence
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to The change avoids SQLite expression-depth failures during large RBAC bulk assignments while preserving idempotent reassignment behavior. No actionable merge-blocking risk remains after normal checks and review. Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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In `@ansible_base/rbac/pipeline.py`:
- Around line 172-176: Update _create_assignments so its returned rows represent
only assignments inserted by the current bulk_create operation, rather than
inferring ownership from the global id range between max_before and the
post-insert query. Preserve the existing batch-pair filtering and avoid emitting
duplicate created-side effects when concurrent calls use ignore_conflicts=True;
add a regression test covering concurrent creation of the same actor/object
pair.
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ansible_base/rbac/models/role.pyansible_base/rbac/pipeline.pytest_app/tests/rbac/test_permission_assignment.pytest_app/tests/rbac/test_triggers.py
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Codecov Report✅ All modified and coverable lines are covered by tests. @@ Coverage Diff @@
## devel #1115 +/- ##
==========================================
+ Coverage 94.77% 94.78% +0.01%
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Files 259 259
Lines 14485 14477 -8
Branches 2218 2215 -3
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+ Misses 757 755 -2
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The bulk path stores object_id as a normalized string, so the fallback lookup for an already-existing assignment must resolve content_type/object_id the same way. Querying with a raw non-integer pk (e.g. a UUID) rendered a different string form and failed to match, raising DoesNotExist on SQLite (caught by test_duplicate_assignment). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
- Remove the dead empty-input guard in _insert_new; callers already guard with `if user_assignments:` / `if team_assignments:`, so it never ran. - Add test_give_permission_idempotent_returns_existing_team to cover the team branch of give_permission's existing-row fallback lookup. - Add test_fire_signals_false_audits_created_without_post_save to cover the fire_signals_on_create=False path for both user and team assignments (audit via _audit_log_created, no post_save), plus its empty-created early return on re-assignment. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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DVCS PR Check Results: PR appears valid (JIRA key(s) found) |
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closing in favor of #1116 |
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Summary
The RBAC bulk assignment path (
bulk_give_permissions/give_assignments) built an OR-of-pairsQfilter to detect which(actor, object_role)pairs already existed, so it could firepost_savesignals and activity-stream entries only for genuinely new rows. At scale (1000+ pairs) that filter produces an expression tree SQLite rejects:This surfaced as a failure of
test_demo_data_large_mode_creates_roledefinitionson SQLite. See AAP-90129 for the full traceback.What changed
ansible_base/rbac/pipeline.py— replace the per-pair OR filter with PK-range detection: snapshotmax(id)beforebulk_create(ignore_conflicts=True), then find new rows viafilter(id__gt=max_before), narrowed in Python to the batch's exact(actor, object_role)pairs. Constant-size query on the existing PK index regardless of batch shape (skinny or fat); no schema change.bulk_create(ignore_conflicts=True)cannot report skipped rows, and fetching them back is exactly the query that does not scale.ansible_base/rbac/models/role.py—give_permissionfetches its own pre-existing row when the bulk path returns nothing (idempotent re-assignment).Tests
[], fires no create signals;give_permissionreturns the saved pre-existing row).Note: the DAB test DB here is Postgres, so the suite validates correctness at N>1000 but does not reproduce the SQLite crash in-suite; a standalone SQLite check confirms the old OR-tree fails at N=1500 while the new
id > ?path uses one param.🤖 Generated with Claude Code
Summary by CodeRabbit
Bug Fixes
Tests