rosa-build/db/migrate/20120214021626_change_subsc...

18 lines
895 B
Ruby

class ChangeSubscribeableIdToDecimal < ActiveRecord::Migration
def up
add_column :subscribes, :subscribeable_id_tmp, :decimal, :precision => 50, :scale => 0
Subscribe.reset_column_information
Subscribe.all.each {|c| c.update_column :subscribeable_id_tmp, (c.subscribeable_type == 'Grit::Commit' ? c.subscribeable_id.hex : c.subscribeable_id.to_i)}
remove_column :subscribes, :subscribeable_id
rename_column :subscribes, :subscribeable_id_tmp, :subscribeable_id
end
def down
add_column :subscribes, :subscribeable_id_tmp, :string
Subscribe.reset_column_information
Subscribe.all.each {|c| c.update_column :subscribeable_id_tmp, (c.subscribeable_type == 'Grit::Commit' ? c.subscribeable_id.to_s(16) : c.subscribeable_id.to_s)}
remove_column :subscribes, :subscribeable_id
rename_column :subscribes, :subscribeable_id_tmp, :subscribeable_id
end
end