On Tue, May 26, 2009 at 9:48 AM, Yonik Seeley <yo...@lucidimagination.com> wrote: > I'm attempting to switch Solr to use the new Collector framework to > get per-segment sorting and have been hitting some issues.
What other issues are you hitting? > The latest is a function query log(val) which produces both NaN and > -Infinity values, which kill the TopScoreDocCollector (invalid docids > are produced). > >> Is NEG_INF a valid score for you? > > It was.... people are free to create whatever functions they want. We > never explicitly spelled out what happens when functions return -Inf > or NaN, but everything still worked. Now we actually lose documents > and they are replaced with invalid docids. Hmmm... in the past (TopDocCollector in 2.4.x), hits with such scores (Nan, -Inf, in fact any non-positive score) were skipped entirely. > To work around it, I've temporarily checked the score for NaN or > -Infinity and replaced it with -MaxVal. I guess that will become > permanent if we decide that those are not valid scores for scorers to > produce. I think we should state that Nan/Inf/-Inf are not valid scores? Mike --------------------------------------------------------------------- To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org For additional commands, e-mail: java-dev-h...@lucene.apache.org
