'integer', 'cycle_id' => 'integer', 'kitchen_id' => 'integer', 'chef_id' => 'integer', 'sku_id' => 'integer', 'sale' => 'integer', 'refund' => 'integer', 'cancel' => 'integer']; const string CREATED_AT = 'create_time'; const string UPDATED_AT = 'updated_time'; }