Andrus Adamchik wrote:
> Hi Robert,
>
> I just retried our aggregate functions example with the latest
Cayenne > and it works, generating GROUP BY and correct columns. I guess
there
> is some problem with the mapping. if you send your DataMap XML file
> (or just the part of it related to the entities in question) this
> should help in diagnosing your problem.
I'm about 99% certain it's just a mapping problem. ;)
However, I ended up rewriting things to use a SQLTemplate already. ;)
I've gone ahead and attached the relevant portions of the datamap anyway
as I would like to know what it is I'm doing wrong. =) Thanks for the
help. (I'm also wondering if it's the way I'm constructing the
expression; I've attached the relevant bits of code, as well)
Robert
>
> On a side note, while DerivedDbEntities are not going away anytime
> soon, now I tend to prefer using scriptable SQLTemplates as they are
> much more powerful and less hassle to configure and use. In future
> versions of Cayenne (after 1.1) we will allow using them instead of
> DbEntities for object mapping. Right now this can be done manually, or
> simply use DataRows instead of objects, as most aggregate data is
> read-only display stuff anyway.
>
> Andrus
>
>
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