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From Michael Busch <busch...@gmail.com>
Subject Re: New flexible query parser
Date Fri, 20 Mar 2009 23:27:19 GMT
On 3/20/09 10:58 PM, Chris Hostetter wrote:
> : My vote for contrib would depend on the state of the code - if it passes all
> : the tests and is truly back compat, and is not crazy slower, I don't see why
> : we don't move it in right away depending on confidence levels. That would
> : ensure use and attention that contrib often misses. The old parser could hang
> : around in deprecation.
>
> FWIW: It's always bugged me that the existing queryParser is in the "core"
> anyway ... as i've mentioned before: I'd love to see us move towards
> putting more features and add-on functionality in contribs and keeping the
> core as lean as possible: just the core functionality for indexing&
> searching ... when things are split up, it's easy for people who want
> every lucene feature to include a bunch of jars; it's harder for people
> who want to run lucene in a small footprint (embedded apps?) to extract
> classes from a big jar.
>    
+1. I'd love to see Lucene going into such a direction.

However, I'm a little worried about contrib's reputation. I think it 
contains components with differing levels of activity, maturity and support.
So maybe instead of moving things from core into contrib to achieve the 
goal you mentioned, we could create a new folder named e.g. 
'components', which will contain stuff that we claim is as stable, 
mature and supported as the core, just packaged into separate jars. 
Those jars should then only have dependencies on the core, but not on 
each other. They would also follow the same backwards-compatibility and 
other requirements as the core. Thoughts?

-Michael

> so my vote would be to make it a contrib ... even if we do deprecate the
> current query parser because this can be 100% back compatible -- it just
> makes it a great opportunity to get query parsing out of hte core.
>
>
>
>
> -Hoss
>
>
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>    


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