squawk 是一个pg linter 工具，主要作用是对于数据迁移的处理，基于rust 开发
说明
同时官方还提供了一个方便安全迁移的指南，很值得学习
参考资料
https://github.com/sbdchd/squawk
https://squawkhq.com/
https://benchling.engineering/move-fast-and-migrate-things-how-we-automated-migrations-in-postgres-d60aba0fc3d4
https://gocardless.com/blog/zero-downtime-postgres-migrations-the-hard-parts/
https://github.com/pganalyze/libpg_query
https://squawkhq.com/docs/postgres-locks
https://github.com/pganalyze/collector
https://github.com/pganalyze/lint
https://squawkhq.com/docs/safe_migrations