We've had good success with https://github.com/sbdchd/squawk https://github.com/sbdchd/squawk to lint migrations. It tells you if a query is going to lock your

We've had good success with https://github.com/sbdchd/squawk https://github.com/sbdchd/squawk to lint migrations. It tells you if a query is going to lock your table (as long as it's written in SQL, not some ORM DSL)