Preflight unsafe PostgreSQL migrations for locks and blocking DDL.
About this tool
Avoid downtime from a risky migration. Preflight PostgreSQL migrations to flag table locks, full rewrites, and blocking DDL, with zero-downtime risk analysis and safer alternatives — before you run them in production.
What it does
- Detect table locks and full table rewrites
- Flag blocking DDL statements
- Zero-downtime risk analysis
- Suggested safer migration patterns
- Browser-based preflight check
Repository
chayprabs/postgres-migration-safety-checker
Source code, issues, and releases
Spotted a bug or have an idea?
This tool is built in the open and shaped by feedback. If something feels off — or you want a feature — I read every message.
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