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astrodust
on Oct 15, 2017
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Why PostgreSQL is better than MySQL
This is a pretty huge deal in some uses cases. It makes undoing a bad migration trivial.
pmarreck
on Oct 15, 2017
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Manually cleaning up a bad migration fucking sucks. The best you can do is make migrations idempotent in both directions.
pritambaral
on Oct 16, 2017
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Making migrations idempotent in both directions — when you can — is generally a good idea anyway.
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