Flowdock
method

down

Importance_0
Ruby on Rails latest stable (v5.2.3) - 0 notes - Class: MigrationContext
down(target_version = nil) public

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# File activerecord/lib/active_record/migration.rb, line 1039
    def down(target_version = nil)
      selected_migrations = if block_given?
        migrations.select { |m| yield m }
      else
        migrations
      end

      Migrator.new(:down, selected_migrations, target_version).migrate
    end
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