mysql的date类存入问题
向大家请教一个问题，今天在写代码的时候碰到一个难题，我在数据库中有个字段类型设置为了Date类型。在java中能正常的取出来，并显示，但我在存入的时候遇到了难题。我首先看了看hibernate生成的映射，该字段的类型是Date，那我想，存入的时候我只要new一个Date(是util包下的)对象直接存入就行了吧，结果就过报错了。然后我想可能是长度的问题，因为从数据库中取出来的对象直接输出的话是精确到毫秒的，然后我就用simlpeDateFormat转换一个date对象精确到毫秒，存入数据库的时候还是出错了，同样的错误，当场奔溃。请大家指教一下啊。
Exception in thread "main" org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:90) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:275) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:266) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:168) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137) at MySessionClass.test4.main(test4.java:38)Caused by: java.sql.BatchUpdateException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'update='2011-12-10 10:50:10' where Sid='40000001'' at line 1 at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1269) at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:955) at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70) at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268) ... 8 more
