21 lines
678 B
Ruby
21 lines
678 B
Ruby
MIGRATION_BASE_CLASS = if ActiveRecord::VERSION::MAJOR >= 5
|
|
ActiveRecord::Migration[5.0]
|
|
else
|
|
ActiveRecord::Migration[4.2]
|
|
end
|
|
|
|
class RailsSettingsMigration < MIGRATION_BASE_CLASS
|
|
def self.up
|
|
create_table :settings do |t|
|
|
t.string :var, null: false
|
|
t.text :value
|
|
t.references :target, null: false, polymorphic: true, index: { name: 'index_settings_on_target_type_and_target_id' }
|
|
t.timestamps null: true
|
|
end
|
|
add_index :settings, [:target_type, :target_id, :var], unique: true
|
|
end
|
|
|
|
def self.down
|
|
drop_table :settings
|
|
end
|
|
end
|