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Migration Rollback Playbook for PostgreSQL: Problem to Fix Production Guide
Rollback production migrations safely with lock-aware sequencing, data safeguards, and verification checkpoints.
Tweetable Insight#
Rollback plans should be written before the first migration script.
One-Sentence Definition#
A migration rollback playbook is a step-by-step recovery path that restores service without data corruption.
Production Risk Warning#
Ad hoc rollback attempts can increase downtime and create irreversible drift.
Problem (Search Intent First)#
A production migration fails and normal writes are blocked.
Why It Happens#
Rollback steps are undefined, untested, or ignore lock and data dependencies.
Production-Grade Fix#
Maintain tested rollback scripts with verification checkpoints and owner assignment.
Copy-Paste Solution#
sql
begin;
-- rollback operation example
alter table public.accounts drop column if exists plan_code;
commit;
Edge Cases#
- Partial writes during failure require reconciliation scripts.
- Rolling back schema may not roll back side effects in app code.