Hi Dave, Think of search components as a chain of Java classes that get executed during each search request. If you open solrconfig.xml you will see how they are defined and used.
HTH Otis Solr & ElasticSearch Support http://sematext.com/ On Dec 28, 2012 12:06 AM, "David Parks" <davidpark...@yahoo.com> wrote: > I'm somewhat new to Solr (it's running, I've been through the books, but > I'm > no master). What I hear you say is that MLT *can* accept, say 5, documents > and provide results, but the results would essentially be the same as > running the query 5 times for each document? > > If that's the case, I might accept it. I would just have to merge them > together at the end (perhaps I'd take the top 2 of each result, for > example). > > Being somewhat new I'm a little confused by the difference between a > "Search > Component" and a "Handler". I've got the /mlt handler working and I'm using > that. But how's that different from a "Search Component"? Is that referring > to the default /solr/select?q="..." style query? > > And if what I said about multiple documents above is correct, what's the > syntax to try that out? > > Thanks very much for the great help! > Dave > > > -----Original Message----- > From: Jack Krupansky [mailto:j...@basetechnology.com] > Sent: Wednesday, December 26, 2012 12:07 PM > To: solr-user@lucene.apache.org > Subject: Re: MoreLikeThis supporting multiple document IDs as input? > > MLT has both a request handler and a search component. > > The MLT handler returns similar documents only for the first document that > the query matches. > > The MLT search component returns similar documents for each of the > documents > in the search results, but processes each search result base document one > at > a time and keeps its similar documents segregated by each of the base > documents. > > It sounds like you wanted to merge the base search results and then find > documents similar to that merged super-document. Is that what you were > really seeking, as opposed to what the MLT component does? Unfortunately, > you can't do that with the components as they are. > > You would have to manually merge the values from the base documents and > then > you could POST that text back to the MLT handler and find similar documents > using the posted text rather than a query. Kind of messy, but in theory > that > should work. > > -- Jack Krupansky > > -----Original Message----- > From: David Parks > Sent: Tuesday, December 25, 2012 5:04 AM > To: solr-user@lucene.apache.org > Subject: MoreLikeThis supporting multiple document IDs as input? > > I'm unclear on this point from the documentation. Is it possible to give > Solr X # of document IDs and tell it that I want documents similar to those > X documents? > > Example: > > - The user is browsing 5 different articles > - I send Solr the IDs of these 5 articles so I can present the user other > similar articles > > I see this example for sending it 1 document ID: > http://localhost:8080/solr/select/?qt=mlt&q=id:[document > id]&mlt.fl=[field1],[field2],[field3]&fl=id&rows=10 > > But can I send it 2+ document IDs as the query? > >
