You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
metu.life/db/migrate/20170112154826_migrate_sett...

19 lines
850 B

class MigrateSettings < ActiveRecord::Migration
def up
remove_index :settings, [:target_type, :target_id, :var]
rename_column :settings, :target_id, :thing_id
rename_column :settings, :target_type, :thing_type
change_column :settings, :thing_id, :integer, null: true, default: nil
change_column :settings, :thing_type, :string, null: true, default: nil
add_index :settings, [:thing_type, :thing_id, :var], unique: true
end
def down
remove_index :settings, [:thing_type, :thing_id, :var]
rename_column :settings, :thing_id, :target_id
rename_column :settings, :thing_type, :target_type
change_column :settings, :target_id, :integer, null: false
change_column :settings, :target_type, :string, null: false, default: ''
add_index :settings, [:target_type, :target_id, :var], unique: true
end
end