SELECT * from logininfo where userId=5 and day21>= 2012-12-0
SELECT * from logininfo where userId=5 and day21>= 2012-12-01 15:59:34.0
SELECT * from logininfo where userId=5 and day21>= 2012-12-01 15:59:34.0 其中
‘2012-12-01 15:59:34.0’ 类型是Timestamp ,‘day21’ 类型是datetime .但是运行报的是StatementCallback; bad SQL grammar 错误.mysql datetime 对应的java时间类型不是Timestamp吗?