discourse/db/migrate/20120629151243_make_express...

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2013-02-05 14:16:51 -05:00
class MakeExpressionsLessGeneric < ActiveRecord::Migration
def up
rename_column :expressions, :parent_id, :post_id
rename_column :expressions, :expression_type_id, :expression_index
remove_column :expressions, :parent_type
add_index :expressions, [:post_id, :expression_index, :user_id], unique: true, name: 'unique_by_user'
end
def down
rename_column :expressions, :post_id, :parent_id
rename_column :expressions, :expression_index, :expression_type_id
add_column :expressions, :parent_type, :string, null: true
end
end