# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt

import frappe

def execute():
	frappe.db.sql("""
		update 
			`tabPurchase Taxes and Charges`
		set
			tax_amount_after_discount_amount = tax_amount,
			base_tax_amount_after_discount_amount = base_tax_amount
		where
			ifnull(tax_amount_after_discount_amount, 0) = 0 
			and ifnull(base_tax_amount_after_discount_amount, 0) = 0 
	""")