17 lines
634 B
Ruby
17 lines
634 B
Ruby
|
class CreateVersionAssociations < ActiveRecord::Migration
|
||
|
|
def self.up
|
||
|
|
create_table :version_associations do |t|
|
||
|
|
t.integer :version_id
|
||
|
|
t.string :foreign_key_name, :null => false
|
||
|
|
t.integer :foreign_key_id
|
||
|
|
end
|
||
|
|
add_index :version_associations, [:version_id]
|
||
|
|
add_index :version_associations, [:foreign_key_name, :foreign_key_id], :name => 'index_version_associations_on_foreign_key'
|
||
|
|
end
|
||
|
|
|
||
|
|
def self.down
|
||
|
|
remove_index :version_associations, [:version_id]
|
||
|
|
remove_index :version_associations, :name => 'index_version_associations_on_foreign_key'
|
||
|
|
drop_table :version_associations
|
||
|
|
end
|
||
|
|
end
|