from dao.db.util import get_connet

def exmaple_query():
    with get_connet() as conn:
        cursor = conn.cursor()
        cursor.execute("select * from user")
        for row in cursor.fetchall():
            print(row)
        cursor.close()

def exmaple_insert():
    with get_connet() as conn:
        with conn.cursor() as cursor:
            cursor.execute("insert into user(name, age) values('test', 18)")
            conn.commit()
            cursor.close()

def exmaple_update():
    with get_connet() as conn:
        with conn.cursor() as cursor:
            cursor.execute("update user set age=19 where name='test'")
            conn.commit()
            cursor.close()