Where is the standard, I for one would be interested in seeing it? Dave On Fri, 2004-01-02 at 01:09, Andrew Dunstan wrote: > Jan Wieck wrote: > > > The basic question is the definition of the lifetime of an object and > > it's identificaition when doing nested calls in this context. In the > > OO world, ideally a real world object is translated into one instance > > of a class. And complex structures are trees of instances, possibly of > > different classes. As an example, a sales order consists of the order > > header and a variable number of order lines. Therefore, per order we > > have one OH instance and several OL's. So far so good. Naturally, one > > Java object instance would correspond to one row in a database. > > > It's not clear to me that this object <--> row mapping is workable. It > looks like Oracle, by allowing only static methods, has basically > abandoned any possibility of it. > > ISTM that if you want to live in the object world, you have to take care > of marshalling and unmarshalling the data yourself - either by manual > methods or using some of the increasingly sophisticated automated tools > that are available. OTOH, if you want to live in the table world, you > have to live without the hard ties between data in different tables that > the object world wants. PL/Java must surely live in the table world. > > IOW, the Java interface would probably need to function in a fairly > similar way to the way the current C interface does. > > Or have I missed something? > > Also, what does the Standard say about all this? Has anyone actually > seen it? > > cheers > > andrew > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster > -- Dave Cramer 519 939 0336 ICQ # 1467551
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