Method: Mongo::Migration#update

Defined in:
lib/mongo/migration/migration.rb

#update(version = nil) ⇒ Object 



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# File 'lib/mongo/migration/migration.rb', line 13

def update version = nil
  version ||= definitions.keys.max
  version = version.to_i

  if current_version == version
    info "database '#{db.name}' already is of #{version} version, no migration needed"
    return false
  else
    info "updating '#{db.name}' to #{version}"
  end

  increase_db_version while current_version < version
  decrease_db_version while current_version > version
  true
end