2 ms·
downgrade implies that such a thing is possible. In a stateful system though, you cannot take back that which you have committed. It's quite literally impossibl
by perrygeo 3y ago
downgrade implies that such a thing is possible. In a stateful system though, you cannot take back that which you have committed. It's quite literally impossible by definition.
- OJFord 3y agoNo it isn't? Forward migration: add date column, set = date(day, month, year) for existing records, drop is valid date constraint, drop day/month/year columns Down migration: add day/month/year columns, add is valid date constraint, set day/month/year = appropriate datepart of date, drop date column for trivial example.