[ https://issues.apache.org/jira/browse/LUCENE-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shalin Shekhar Mangar updated LUCENE-4991: ------------------------------------------ Fix Version/s: (was: 4.4) 4.3.1 Labels: (was: lucene-4.3.1-candidate) Back ported to 4.3.1 r1483364 > QueryParser doesnt handle synonyms correctly for chinese > -------------------------------------------------------- > > Key: LUCENE-4991 > URL: https://issues.apache.org/jira/browse/LUCENE-4991 > Project: Lucene - Core > Issue Type: Bug > Components: modules/queryparser > Reporter: Robert Muir > Fix For: 5.0, 4.3.1 > > Attachments: LUCENE-4991.patch > > > As reported multiple times on the user list: > http://find.searchhub.org/document/eaf0e88a6a0d4d1f > http://find.searchhub.org/document/abf28043c52b6efc > http://find.searchhub.org/document/1313794632c90826 > The logic here is not forming the right query structures and ignoring > positionIncrementAttribute from the tokenStream. > * when default operator is AND, you can see it more clearly, as synonyms are > wrongly inserted as additional MUST terms: > expected:<+field:中 +(field:国 field:國)> > but was:<+field:中 +field:国 +field:國> > * even when default operator is OR, its still wrong, because we ignore posInc > and this means coord computation is not correct (so scoring is wrong) > This also screws up scoring and queries for decompounding too (because they > go thru this exact situation if they add the original compound as a synonym). -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org