39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
# -*- coding: utf-8; -*-
|
|
################################################################################
|
|
#
|
|
# pyCOREPOS -- Python Interface to CORE POS
|
|
# Copyright © 2018-2020 Lance Edgar
|
|
#
|
|
# This file is part of pyCOREPOS.
|
|
#
|
|
# pyCOREPOS is free software: you can redistribute it and/or modify it under
|
|
# the terms of the GNU General Public License as published by the Free
|
|
# Software Foundation, either version 3 of the License, or (at your option)
|
|
# any later version.
|
|
#
|
|
# pyCOREPOS 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 General Public License for more
|
|
# details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along with
|
|
# pyCOREPOS. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
################################################################################
|
|
"""
|
|
CORE POS Database Utilities
|
|
"""
|
|
|
|
import sqlalchemy as sa
|
|
|
|
from corepos.db.office_op import model as corepos
|
|
|
|
|
|
def get_last_card_number(session):
|
|
"""
|
|
Convenience function, to return the "last" (max) value for the
|
|
``custdata.CardNo`` field, for use when generating new values.
|
|
"""
|
|
return session.query(sa.func.max(corepos.Customer.card_number))\
|
|
.scalar() or 0
|