My guess is that solr is rounding down while calculating number of mandatory terms. In your case, there are 3 terms, 65% of which is 1.95 which rounded down is 1, but 67% is 2.01 which rounded down is 2 which conforms with the results you're seeing.
Maybe someone else can confirm this. On Wed, 16 Dec 2015, 16:56 Ron van der Vegt <ron.van.der.v...@openindex.io> wrote: > Hi, > > I'm currently searching with the following query: q="sony+led+tv". > The minimum should match setting is set on: mm=2<65%. > So when there are more then two terms, at least 65% of the terms should > match. > I'm not using the StopFilterFactory. > > When turning on debug, this is the parsedquery_toString: > > +(((categoryName_snf:sony^5.0 | name:sony^6.0 | productTypeName:sony^8.0 > | breadcrumbpath_snf:sony^2.0 | text:sony | title:sony^14.0 | > salestext:sony | brand:sony^8.0 | salesText_snf:sony)~0.15 > (categoryName_snf:led^5.0 | name:led^6.0 | productTypeName:led^8.0 | > breadcrumbpath_snf:led^2.0 | text:led | title:led^14.0 | salestext:led | > brand:led^8.0 | salesText_snf:led)~0.15 (categoryName_snf:tv^5.0 | > name:tv^6.0 | productTypeName:tv^8.0 | breadcrumbpath_snf:tv^2.0 | > text:tv | title:tv^14.0 | salestext:tv | brand:tv^8.0 | > salesText_snf:tv)~0.15)~1) (title:"sony led tv"~10)~0.15 > > While I except that at least two terms should match, because of the 65%, > i'm also getting hits of documents which seems to match on only one of > the terms. Below the explain of the hit, which shouldn't be there: > > 2.6449876 = sum of: > 2.6449876 = sum of: > 2.6449876 = max plus 0.15 times others of: > 2.6449876 = weight(text:led in 10143) [BM25Similarity], result of: > 2.6449876 = score(doc=10143,freq=1.0 = termFreq=1.0 > ), product of: > 2.6449876 = idf(docFreq=3254, maxDocs=45833) > 1.0 = tfNorm, computed from: > 1.0 = termFreq=1.0 > 1.0 = parameter k1 > 0.0 = parameter b (norms omitted for field) > > When I change the mm to 2<67% then I get the amount of results what I > expect with 65%, but If I understand correctly then all the terms should > match. (33,33% + 33,33% = 66,66% is always less then 67%). Did I miss > something, or is there something else what could effect the minimum > should match setting? > > Thanks in advice! > > Ron > -- Regards, Binoy Dalal
