Contents

require 'dm-migrations/migration_runner'

DataMapper.setup(:default, 'sqlite3::memory')

DataMapper::Logger.new(STDOUT, :debug)
DataMapper.logger.debug( 'Starting Migration' )

migration 1, :create_people_table do
  up do
    create_table :people do
      column :id,   Integer, serial: true
      column :name, String, size: 50
      column :age,  Integer
    end
  end
  down do
    drop_table :people
  end
end

migration 2, :add_dob_to_people do
  up do
    modify_table :people do
      add_column :dob, DateTime, allow_nil: true
    end
  end

  down do
    modify_table :people do
      drop_column :dob
    end
  end
end

# migrate_down!
# migrate_up!
#
# class Person
#   include DataMapper::Resource
#
#   property :id, Serial
#   property :name, String, :size => 50
#   property :age, Integer
#   property :dob, DateTime, :default => proc { Time.now }
#
# end
#
# Person.create(:name => "Mark Bates", :age => 31)
# puts Person.first.inspect
# puts Person.all.inspect

if $0 == __FILE__
  if $*.first == 'down'
    migrate_down!
  else
    migrate_up!
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
sbf-dm-migrations-1.4.0.beta.1	examples/sample_migration.rb
sbf-dm-migrations-1.3.0	examples/sample_migration.rb
sbf-dm-migrations-1.3.0.beta	examples/sample_migration.rb