from django.db import connection


def restart_id_sequence(table_name: str) -> None:
    """
    This function resets the id sequence from the given table (the current auto
    increment value for the id field) to the max_id+1. This is needed, when manually
    inserting object id, because Postgresql does not update the id sequence in this case.
    """
    if connection.vendor == "postgresql":
        with connection.cursor() as cursor:
            cursor.execute(f"SELECT max(id) + 1 as max FROM {table_name};")
            max_id = cursor.fetchone()[0]
            if max_id is not None:
                cursor.execute(
                    f"ALTER SEQUENCE {table_name}_id_seq RESTART WITH {max_id};"
                )