[IMP] account_payment_order: Remove useless migration script

account_payment_order/migrations/8.0.0.1.166/pre-migrate.py

@@ -1,37 +0,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-#    This module copyright (C) 2015 Therp BV (<http://therp.nl>).
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
-
-
-def migrate(cr, version):
-    cr.execute(
-        'SELECT count(attname) FROM pg_attribute '
-        'WHERE attrelid = '
-        '( SELECT oid FROM pg_class WHERE relname = %s ) '
-        'AND attname = %s',
-        ('payment_order', 'total'))
-    if cr.fetchone()[0] == 0:
-        cr.execute('alter table payment_order add column total numeric')
-    cr.execute(
-        'update payment_order '
-        'set total=totals.total '
-        'from '
-        '(select order_id, sum(amount_currency) total '
-        'from payment_line group by order_id) totals '
-        'where payment_order.id=totals.order_id')