On Fri, 2 Apr 2004, Brian McCallister wrote:

> > Both count(*) and 'as' are in the OQL grammar I downloaded from 
> > ODMG.org
> > yesterday. The one is in 'aggregateExpr', the other in 'projection'. 
> > If, as
> > you say, the selection list (projectionAttributes in the grammar) is 
> > merely
> > a placeholder, then the aggregate functions of the grammar can never be
> > evaluated. Surely this was not the intention of the ODMG?
> 
> Hmm I don't know about this -- I am far from an ODMG expert, I don't 
> use that API often, and have never delved into that part of the code =( 
>    (nudge Thomas)

>From what I can see in the OQL grammar in OJB (which originally dates 1999
btw), OJB does not support any functions in the column part of the select
statement, only fields (identifiers in the grammar).
 
Tom


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