Peter Wang <wangx...@gmail.com> writes:
reply myself I find a PPT[1] about solr, it call such thing as "Field Collapsing" . It will be added to solr 1.5? unfortunately, I am using Solr 1.4 for solr 1.4, is there other solutions for such task? [1] http://lucene-eurocon.org/slides/Solr-15-and-Beyond_Yonik-Seely.pdf > Hi, all. > > I am using solr running multiple indexes, by Flattening Data Into a > Single Index [1]. > > A type field in schema to stand for type of document, say it has > following options: book, movie, music > > When query it, some types may have more result rows than others, for > example, we need 3 result rows, one for each type. but it may return > results only containing one type by default ranking. > > My question is how to limit result rows by each type, so in above case > result covers all types, one result for each type. > > Is there such solr/lucene query syntax or other ways can do it? > > currently, what i got is do a query for each type, so it may limit > result rows for each type. but it must do query many times and may be > very slow when i have many types. > > Thanks for your suggestions. > > -- > [1] > http://wiki.apache.org/solr/MultipleIndexes#Flattening_Data_Into_a_Single_Index > > > -peter
