[Xapian-discuss] Phrase query problem with python api

[Jean-Francois Dockes]

By the way, and for the record, the patch referred by the thread cited
below is quite wrong (it handles AND like OR, silly me), it does work for
Recoll though, I still hope that I may get around to writing a correct one.

This kind of (A OR B) NEAR (C OR D) query can be quite natural in the
"real-world" when you are doing stem expansion at query time (like Recoll
does) or probably also when using some kind of thesaurus to expand synonyms.

jf



Olly Betts writes:

 > On Thu, Mar 15, 2007 at 11:51:02AM +0000, Richard Boulton wrote:
 > > Actually, if I recall correctly, NEAR and PHRASE pretty much only accept 
 > > single-term subqueries currently, though I may be out of date on this 
 > > point.
 > 
 > We've done some flattening for a long time, but not in a very thorough
 > way:
 > 
 > http://thread.gmane.org/gmane.comp.search.xapian.devel/869
 > 
 > > I've never needed to perform these kinds of queries - if you can 
 > > find examples of real-world queries which need support for this, it 
 > > might encourage someone to develop support for it sooner rather than later.
 > 
 > The above thread is the only time I can recall (or find) anyone
 > mentioning this limitation before now, and in that case the error
 > message is wrong as the query is something like:
 > 
 >     (A OR B) NEAR (C OR D)
 > 
 > Cheers,
 >     Olly
 > 
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