Michael Busch wrote:
We should also realize that - thanks to Luis and Adriano - we now have
actual code that can be the basis of discussions and that we can take
and improve. No matter if this new QP is going to replace the old one
or not, I'm very thankful that the two went through the effort of
creating it. This framework has been very successful internally and we
wanted to share something good with the Lucene community.
Michael
Agreed! I'd also like to extend my thanks to Luis and Adriano! And to
IBM for donating the code! I am certainly not looking a gift horse in
the mouth.
And I think its still very likely this parser will replace the old.
Despite my rant to not deprecate the current QP yet, I do think its a
nice design, and I do think it has a lot of value going forward. I just
think its a big enough deal that we should let it sit for a release in
contrib while everyone has a chance to take stalk of it. If you look at
the Qsol parser I used to play around with, it also has an intermediate
abstract query tree (its just way uglier and less plugable - dont go
look ;) ) - I think that makes a lot of sense, and I do know that it
will bring benefits to many developers in the future.
I just think it makes sense to wait a bit and see how things shake out.
I think that will give us more freedom in terms of addressing the
shortcomings we/users may find.
Giving users such a large framework to extends is a back compat
nightmare ! Lets just see how things go for a bit before we start really
locking in back compat on the thing (which we should presumably do if it
were to become the new QP).
--
- Mark
http://www.lucidimagination.com
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