instance method `up`

Ruby on Rails 3.1.12

Since v3.1.12

Available in: v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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up()

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Source

# File activerecord/lib/active_record/migration.rb, line 353
    def up
      self.class.delegate = self
      return unless self.class.respond_to?(:up)
      self.class.up
    end

Defined in activerecord/lib/active_record/migration.rb line 353 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Migration

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