discourse/db/migrate/20120507144132_create_expressions.rb
2013-02-05 14:16:51 -05:00

13 lines
465 B
Ruby

class CreateExpressions < ActiveRecord::Migration
def change
create_table :expressions, id: false, force: true do |t|
t.integer :parent_id, null: false
t.string :parent_type, null: false, limit: 50
t.integer :expression_type_id, null: false
t.integer :user_id, null: false
t.timestamps
end
add_index :expressions, [:parent_id, :parent_type, :expression_type_id, :user_id], unique: true, name: "expressions_pk"
end
end