Executes the given SQL statement and signals the driver that the auto-generated keys indicated in the given array should be made available for retrieval. This array contains the indexes of the columns in the
target table that contain the auto-generated keys that should be made available. The driver will ignore the array if the SQL statement is not an INSERT
statement, or an SQL statement able
to return auto-generated keys (the list of such statements is vendor-specific).
执行那个被给的sql语句和信号那个驱动自动生成钥匙