Initial commit

db/migrate/20181105102422_create_expenses.rb

@@ -0,0 +1,13 @@
+class CreateExpenses < ActiveRecord::Migration[4.2]
+  def change
+    create_table :expenses do |t|
+      t.integer     :code,        null: false
+      t.string      :currency_id, null: false, index: true, foreign_key: true
+      t.references  :reference,         null: false, index: true, polymorphic: true
+      t.decimal     :debit,       null: false, default: 0, precision: 32, scale: 16
+      t.decimal     :credit,      null: false, default: 0, precision: 32, scale: 16
+
+      t.timestamps null: false
+    end
+  end
+end