def get_max_xid_age()

in postgresql_metrics/postgres_queries.py [0:0]

• 7 lines of code
• 2 McCabe index (conditional complexity)

def get_max_xid_age(conn):
    sql = "SELECT max(age(datfrozenxid)) FROM pg_database"
    results = query(conn, sql)
    if not results:
        return None
    xid_age, = results[0]
    return int(xid_age)