Hi,
Chris Hostetter wrote:
AND, OR, and NOT are just syntactic-sugar for modifying
the MUST, MUST_NOT, and SHOULD. The default op of OR only affects the
first clause of your query (R) because it doesn't have any modifiers --
Thanks for pointing that out!
-Sascha
the second clause has that
: thanks for your explanations. But why are all docs being *removed* from the
: set of all docs that contain R in their topic field? This would correspond to
: a boolean AND and would stand in conflict with the clause q.op=OR. This seems
: a bit strange to me.
Erick's explanation might have been
Hi Erick,
thanks for your explanations. But why are all docs being *removed* from
the set of all docs that contain R in their topic field? This would
correspond to a boolean AND and would stand in conflict with the clause
q.op=OR. This seems a bit strange to me.
Furthermore, Smiley Pugh
Hi folks,
I have a (multi-valued) field topic in my index which does not need to
exist in every document. Now, I'm struggling with formulating a query
that returns all documents that either have no topic field at all *or*
whose topic field value is R.
Unfortunately, the query
I have a (multi-valued) field topic in my index which does
not need to exist in every document. Now, I'm struggling
with formulating a query that returns all documents that
either have no topic field at all *or* whose topic field
value is R.
Does this work?
defType=luceneq.op=ORq=topic:R
This may help:
http://lucene.apache.org/java/2_4_0/queryparsersyntax.html#Boolean%20operators
But the clause you specified translates roughly as find all the
documents that contain R, then remove any of them that match
* TO *. * TO * contains all the documents with R, so everything
you just
