OpenSlides/openslides/users/db.py
2019-07-30 10:42:11 +02:00

18 lines
719 B
Python

from django.db import connection
def postgres_restart_auth_group_id_sequence(*args, **kwargs):
"""
This function resets the id sequence from the auth_group table (the current auto
increment value for the id field) to the max_id+1. This is needed, when inserting
groups by id, because Postgresql does not update the id sequence.
"""
if connection.vendor == "postgresql":
with connection.cursor() as cursor:
cursor.execute("SELECT max(id) + 1 as max FROM auth_group;")
max_id = cursor.fetchone()[0]
if max_id is not None:
cursor.execute(
f"ALTER SEQUENCE auth_group_id_seq RESTART WITH {max_id};"
)