If you're doing this in a sharded environment, it may be "interesting".
Good Luck! Erick On Mon, Aug 18, 2014 at 2:03 PM, Dave Seltzer <dselt...@tveyes.com> wrote: > Thanks Erick, > > I'm not sure I need to score the documents based on the numeric value, but > I am interested in being able to calculate the average (Mean) of all the > numeric values for a given tag. For example, what is the average confidence > of Tag1 across all documents. > > I'm not sure I can do that without building a FunctionQuery. > > -Dave > > > On Mon, Aug 18, 2014 at 12:46 PM, Erick Erickson <erickerick...@gmail.com> > wrote: > >> Hmmm, there's no particular "right way". It'd be simpler >> to index these as two separate fields _if_ there's only >> one pair per document. If there are more and you index them >> as two mutliValued fields, there's no good way at _query_ time >> to retain the association. The returned multiValued fields are >> guaranteed to be in the same order of insertion so you can >> display the correct pairs, but you can't use the association >> to score docs. Hmmm, somewhat abstract. OK say you want to >> associate two tag/value pairs, tag1:50 and tag2:100. Say further >> that you have two multiValued fields, Tags and Values and then >> index tag1 and tag2 into Tags and 50 and 100 into Values. >> There's no good way to express "q=tags:tag1 and factor the >> associated value of 50 into the score" >> >> Note that the returned _values_ will be >> Tags: tag1 tag2 >> Values 50 100 >> >> So at that point you can see the associations. >> >> that said, if there's only _one_ such tag/value pair per document, >> it's easy to write a FunctionQuery ( >> http://wiki.apache.org/solr/FunctionQuery) >> that does this. >> >> ******************************* >> >> If you have many tag/value pairs, payloads are probably what you want. >> Here's an end-to-end example: >> >> http://searchhub.org/2014/06/13/end-to-end-payload-example-in-solr/ >> >> Best, >> Erick >> >> On Mon, Aug 18, 2014 at 7:32 AM, Dave Seltzer <dselt...@tveyes.com> wrote: >> > Hello! >> > >> > I have some new entity data that I'm indexing which takes the form of: >> > >> > String: EntityString >> > Float: Confidence >> > >> > I want to add these to a generic "Tags" field (for faceting), but I'm not >> > sure how to hold onto the confidence. Token Payloads seem like one >> method, >> > but then I'm not sure how to extract the Payload. >> > >> > Alternatively I could create two fields: TagIndexed which stores just the >> > string value and TagStored which contains a delimited String|Float. >> > >> > What's the right way to do this? >> > >> > Thanks! >> > >> > -D
