Initial commit

db/migrate/20180403134930_add_tid_to_withdraw.rb

@@ -0,0 +1,10 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+class AddTIDToWithdraw < ActiveRecord::Migration[4.2]
+  def change
+    add_column :withdraws, :tid, :string, limit: 64
+    execute %{UPDATE withdraws SET tid = CONCAT('TID', id, currency_id, member_id) WHERE tid IS NULL}
+    change_column :withdraws, :tid, :string, null: false, index: { unique: true }, limit: 64
+  end
+end