OK, looks really great. So, now that we have a really nice grammar for HQL, whats the next step?
Well, lets get it to spit out some SQL, I suppose. I think the first step is to get it to translate:
from Foo foo where foo.id = 1
to SQL, given a mock instance of net.sf.hibernate.persister.Queryable.
Joshua, I know little about building proper compilers (I know a very little about parser compilers, but thats all) and it is universally agreed that my only previous attempt at it (net.sf.hibernate.hql) is ..... inelegant ..... so it would be fantastic if you could get me as far as showing me a proper design pattern for this. It would be fantastic if you could implement the above for me, to demonstrate what a proper translator looks like - that way I can pick up the other side of things (spitting out SQL) and integrate into Hibernate.
I'd like to really keep moving with this - its really good and we need it....
Thanks
Gavin
P.S. "addative" is spelled "additive" ;)
Joshua Davis wrote:
I've checked my code into my own CVS repository on Source Forge, in case anyone wants to have a look. Cleaned things up a bit, the tests should run anyway. The build depends on: ANT, ANTLR, and JUnit
[EMAIL PROTECTED]:/cvsroot/yajul Module=hql
Web view: http://cvs.sourceforge.net/viewcvs.py/yajul/hql
Check it out. (pun intended... sorry!)
-- Gavin King JBoss Group +61 410534454 http://hibernate.org
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