instance method
exists?
Ruby on Rails 4.2.9
Since v4.0.13 Last seen in v4.2.9Signature
exists?()No documentation comment.
Alias for
Rails::Generators::Actions::CreateMigration#existing_migration
Defined in railties/lib/rails/generators/actions/create_migration.rb
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Defined in Rails::Generators::Actions::CreateMigration