method

run

Ruby on Rails latest stable (v5.2.3) - 0 notes - Class: ActiveRecord::Migration

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What's this?

run(*migration_classes) public

Runs the given migration classes. Last argument can specify options:

:direction (default is :up)
:revert (default is false)

# File activerecord/lib/active_record/migration.rb, line 760
    def run(*migration_classes)
      opts = migration_classes.extract_options!
      dir = opts[:direction] || :up
      dir = (dir == :down ? :up : :down) if opts[:revert]
      if reverting?
        # If in revert and going :up, say, we want to execute :down without reverting, so
        revert { run(*migration_classes, direction: dir, revert: true) }
      else
        migration_classes.each do |migration_class|
          migration_class.new.exec_migration(connection, dir)
        end
      end
    end

run

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