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Asked: 2026-05-19T01:46:31+00:00

In order to test a new Rails plugin that I wrote, I’d like to

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In order to test a new Rails plugin that I wrote, I’d like to check if the migration of that plugin works correctly. So I created a new test app, added the plugin, generated the migration and migrated up (which works fine). I now would also like to check the down migration. But rake db:migrate:down wants a version number. What should I provide? It is the only migration and VERSION=0 doesn’t work.

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  1. Editorial Team

    See the Official Guides

    rake db:rollback
rake db:rollback STEP=3
rake db:migrate:down

# rollback-then-migrate-forward combo
rake db:migrate:redo
rake db:migrate:redo STEP=3
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