[GitHub] [lucene-solr] jmorph99 opened a new pull request #615: Intervals Query Parser

[GitBox <gi...@apache.org>]

jmorph99 opened a new pull request #615: Intervals Query Parser
URL: https://github.com/apache/lucene-solr/pull/615
 
 
   A query parser that converts syntax to an intervals query. This is a completely stand-alone query parser with the sole use of building an query of intervals.
   One class IntervalsQueryParser
   One public method getQuery that passes in field name and query and returns an IntervalsQuery
   One test class TestIntervalsQueryParser
   
   Examples
   
   a b
   or(a,b)
   
   a b c
   or(a,b,c)
   
   (a b c)
   or(a,b,c)
   
   a /5 b
   MAXWIDTH/5(UNORDERED(a,b))
   
   (a /5 b) c
   or(MAXWIDTH/5(UNORDERED(a,b)),c)
   
   "a b"
   BLOCK(a,b)
   
   "a b v"
   BLOCK(a,b,v)
   
   ((((a /3 "b f g") /3 c) /3 d) /3 e)
   MAXWIDTH/3(UNORDERED(MAXWIDTH/3(UNORDERED(MAXWIDTH/3(UNORDERED(MAXWIDTH/3(UNORDERED(a,BLOCK(b,f,g))),c)),d)),e))
   
   (a /3 (b /3 (c /3 (d /3 e))))
   MAXWIDTH/3(UNORDERED(a,MAXWIDTH/3(UNORDERED(b,MAXWIDTH/3(UNORDERED(c,MAXWIDTH/3(UNORDERED(d,e))))))))
   
   (can could) /12 "figur*"
   MAXWIDTH/12(UNORDERED(or(can,could),MultiTerm(figur*)))
   
   (search*) /75 (could* /10 "lat* night")
   MAXWIDTH/75(UNORDERED(MultiTerm(search*),MAXWIDTH/10(UNORDERED(MultiTerm(could*),BLOCK(MultiTerm(lat*),night)))))
   
   "can* expect*"
   BLOCK(MultiTerm(can*),MultiTerm(expect*))
   
   "(can might) expect*"
   BLOCK(or(can,might),MultiTerm(expect*))
   
   "(red green blue)(cluster* node* shard*)"
   BLOCK(or(red,green,blue),or(MultiTerm(cluster*),MultiTerm(node*),MultiTerm(shard*)))

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