Re: using Date and setObject()
От | Joe Shevland |
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Тема | Re: using Date and setObject() |
Дата | |
Msg-id | HEECIHEEJDBMCCGMGIOBMECOCHAA.jshevland@j-elite.com обсуждение исходный текст |
Ответ на | Re: using Date and setObject() (Thomas O'Dowd <tom@nooper.com>) |
Список | pgsql-jdbc |
The big difference is of course, is that the java.sql.Date is "A thin wrapper around a millisecond value that allows JDBCto identify this as a SQL DATE (JDK1.3.1 doco)" - it subclasses java.util.Date so certainly holds time ;) In relation before that, java.util.Date holds a specific instance in time - without timezones coming into play - in realitythe amount of seconds since Unix birth or 1970 or whatever it is. I'm not sure about the JDBC driver and backend interaction,but I'd be using a GregorianCalendar or Calendar instance instead, which is more suitable for manipulating datesand times. I'm not sure if the setObject() method caters for this though. Cheers, Joe > Never tried it but what about using setObject(java.sql.Date) > ^^^ > > The big difference between the objects of course is that the > java.sql.Date only holds the date part and not the time part. > > Tom. > > On Wed, Apr 17, 2002 at 02:53:43PM -0300, Leandro Rodrigo Saad Cruz wrote: > > Hi all, I'm working an a persistence layer API above JDBC > > that uses setObject() in prepare statements. the problem is : > > I get a ClassCastException when using setObject(java.util.Date). > > Can I use setObject(java.util.Date) or I **must** use > > setDate(java.util.Date) ?? > > > > -- > > Leandro Rodrigo Saad Cruz > > IT - Inter Business Tecnologia e Servicos (IB) > > http://www.ibnetwork.com.br
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