Hello again, apologies for cross-posting and having to get back to this unsolved problem.
Initially i thought this is a problem i have with, or in Lucene. Maybe not, so is this problem in Solr? Is here anyone who has seen this problem before? Many thanks, Markus -----Original message----- > From:Markus Jelsma <markus.jel...@openindex.io> > Sent: Tuesday 25th April 2017 13:40 > To: java-u...@lucene.apache.org > Subject: Term no longer matches if PositionLengthAttr is set to two > > Hello, > > We have a decompounder and recently implemented the PositionLengthAttribute > in it and set it to 2 for a two-word compound such as drinkwater (drinking > water in dutch). The decompounder runs both at index- and query-time on Solr > 6.5.0. > > The problem is, q=content_nl:drinkwater no longer returns documents > containing drinkwater when posLenAtt = 2 at query time. > > This is Solr's debug output for drinkwater with posLenAtt = 2: > > <str name="rawquerystring">content_nl:drinkwater</str> > <str name="querystring">content_nl:drinkwater</str> > <str name="parsedquery">SynonymQuery(Synonym())</str> > <str name="parsedquery_toString">Synonym()</str> > > This is the output where i reverted the decompounder, thus a posLenAtt = 1: > > <str name="rawquerystring">content_nl:drinkwater</str> > <str name="querystring">content_nl:drinkwater</str> > <str name="parsedquery">SynonymQuery(Synonym(content_nl:drink > content_nl:drinkwater)) content_nl:water</str> > <str name="parsedquery_toString">Synonym(content_nl:drink > content_nl:drinkwater) content_nl:water</str> > > The indexed terms still have posLenAtt = 2, but having a posLenAtt = 2 at > query time seems to be a problem. > > Any thoughts on this issue? Is it a bug? Do i not understand > PositionLengthAttribute? Why does it affect term/document matching? At query > time but not at index time? > > Many thanks, > Markus > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
