jmorph99 opened a new pull request #604: Intervals Query Parser
URL: https://github.com/apache/lucene-solr/pull/604
 
 
   A query parser that converts syntax to an intervals query,
   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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