method

revert

v7.1.3.2 - Show latest stable - Class: ActiveRecord::Migration::CommandRecorder

revert()

public

While executing the given block, the recorded will be in reverting mode. All commands recorded will end up being recorded reverted and in reverse order. For example:

recorder.revert{ recorder.record(:rename_table, [:old, :new]) }
# same effect as recorder.record(:rename_table, [:new, :old])

# File activerecord/lib/active_record/migration/command_recorder.rb, line 76
      def revert
        @reverting = !@reverting
        previous = @commands
        @commands = []
        yield
      ensure
        @commands = previous.concat(@commands.reverse)
        @reverting = !@reverting
      end

revert

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