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Jason Rutherglen commented on LUCENE-3602: ------------------------------------------ {quote}The terms collected in the first phase are from many segments{quote} Why is that necessary? {quote}Caching can be improved in the second phase as you described, by saving a bitset per fromTerm?{quote} Possibly, only for terms with a high number of documents. Or we can use a faster to decode (less compressed) posting codec. bq. The JoinUtil is between 2 till 3 times faster than Solr's JoinQuery with this data set on my dev machine Interesting, thanks for sharing. > Add join query to Lucene > ------------------------ > > Key: LUCENE-3602 > URL: https://issues.apache.org/jira/browse/LUCENE-3602 > Project: Lucene - Java > Issue Type: New Feature > Components: modules/join > Reporter: Martijn van Groningen > Fix For: 3.6, 4.0 > > Attachments: LUCENE-3602-3x.patch, LUCENE-3602.patch, > LUCENE-3602.patch, LUCENE-3602.patch, LUCENE-3602.patch, LUCENE-3602.patch, > LUCENE-3602.patch, LUCENE-3602.patch, LUCENE-3602.patch, LUCENE-3602.patch, > LUCENE-3602.patch > > > Solr has (psuedo) join query for a while now. I think this should also be > available in Lucene. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa 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