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Ruby on Rails
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ActiveRecord::SchemaMigration
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primary_key
primary_key
()
Class Public methods
Links:
https://github.com/rails/rails/blob/5655fce52c3b8f68580f643af0a8333c078a6efd/activerecord/lib/active_record/schema_migration.rb#L8
doc_ruby_on_rails
2015-06-20 00:00:00
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