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reactioncommerce / migrator

Command line interface for migrating MongoDB databases
Apache License 2.0
4 stars 5 forks source link

Warn about "impossible" downs #6

Open aldeed opened 4 years ago

aldeed commented 4 years ago

Warn and confirm before migrating if any of the up migrations have an "impossible" down. Ask them to be sure they have a current db backup.

brent-hoover commented 4 years ago

How would one programmaticly determine that a down is impossible? I would think that almost any operation that modifies data would be irreversible?