Clone
class UpgradeTo150 < ActiveRecord::Migration
def self.up
add_column :cms_snippets, :position, :integer, :null => false, :default => 0
add_column :cms_files, :position, :integer, :null => false, :default => 0
add_column :cms_files, :block_id, :integer
add_index :cms_snippets, [:site_id, :position]
add_index :cms_files, [:site_id, :position]
add_index :cms_files, [:site_id, :block_id]
end
def self.down
remove_index :cms_snippets, [:site_id, :position]
remove_index :cms_files, [:site_id, :position]
remove_index :cms_files, [:site_id, :block_id]
remove_column :cms_snippets, :position
remove_column :cms_files, :position
remove_column :cms_files, :block_id
end
end