I've managed to achieve a small success, in that I've been able to execute
the following with the new AST based QueryTranslator:
Session s = openSession();
Iterator iter = s.iterate("from org.hibernate.test.Foo");
int count = 0;
while (iter.hasNext())
{
...
}
Thanks to Gavin for giving me a few tips about the existing QueryTranslator
(well, it's QueryTranslatorImpl in my branch ;) ). Here are a few design
decisions that I made along the way:
* Made QueryTranslator an interface, and split out the 'query splitter'. We
can deal with that one later.
* A system property drives which implementation of QueryTranslator will be
used, this has been very helpful in comparing the two implementations while
unit testing.
* It's still a three pass design: syntax analysis, semantic analysis, code
generation.
* Added a new token to the SQL output tree, which is passed through the code
generator without modification.
* Made the 'loader' part of QueryTranslator a delegate to separate the
concerns.
There's still a bunch of clean up to do, as there was a good amount of trial
and error coding and debugger tracing required for me to understand some of
the data structures needed by the callers.
Max & Gavin,
You guys should be able to see it in my CVS repository now.
Josh
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Joshua Davis
> Sent: Sunday, January 18, 2004 11:36 AM
> To: 'Max Rydahl Andersen'
> Cc: [EMAIL PROTECTED]
> Subject: RE: [Hibernate] AST driven QueryTranslator
>
>
> Sorry, I've been a bit busy at work. :-/ I should be able
> to get back to the new QueryTranslator sometime this coming week.
>
> Josh
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On
> > Behalf Of Max Rydahl Andersen
> > Sent: Saturday, January 17, 2004 7:56 PM
> > To: Joshua Davis
> > Cc: [EMAIL PROTECTED]
> > Subject: Re: [Hibernate] AST driven QueryTranslator
> >
> >
> > Joshua Davis wrote:
> >
> > >Well, it's checked in but it doesn't work... yet.
> > >
> > >
> > >
> > Any news ? ;)
> >
> > /max
> >
> >
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>
>
>
>
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