Produce a bounded migration review bundle
Reviewers currently receive terminal screenshots without the SQL version or workload context.
- Focused work estimate
- 2h 30m + prerequisites
- Priority in the scenario
- Medium
- Engineering practice
- Developer experience · Provenance
Estimated field mix
- Developer tooling80%
- Privacy engineering20%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
A fictional subscription service has accumulated migration scripts with unclear lock risks and no consistent rehearsal output.
Setup prerequisites
- Create a disposable local database with synthetic subscriptions and a separate scratch database; author all fixtures locally.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
- BDBMIG-101 · Add a migration inventory with checksums and sequence gaps
- BDBMIG-102 · Flag table rewrites and long-held locks for review
- BDBMIG-103 · Prevent migration commands from targeting unapproved databases
- BDBMIG-104 · Capture lock waits during a synthetic concurrent workload
- BDBMIG-105 · Test old and new application queries during expand-contract changes
- BDBMIG-106 · Resume a chunked backfill after a process interruption
- BDBMIG-107 · Distinguish reversible schema changes from irreversible data loss
Acceptance criteria
- Include SQL digests, tool version, target class, and observations.
- Exclude connection secrets and row contents.
- Fail if referenced rehearsal output is missing.
Implementation constraints
- Use structured artifacts with documented size limits.
Verification to include
- Build a complete bundle.
- Reject missing output and scan for seeded secret markers.
Deliverables
- Review bundle exporter.
Rollout and recovery
Attach bundles to proposed changes; rerun if any migration digest changes.
Value of the work
For the engineer: Practice migration tooling, lock reasoning, and clear developer feedback.
For the team: Provide reviewers with repeatable migration checks and explicit recovery limits.
Evidence boundaries
Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.
Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.