can you use facet search? facet=true&facet.field=order_no&fq=order_no:(1234 OR 5678 OR ...)&fq=artist:Pink Floyd
On Mon, Jun 27, 2011 at 6:44 PM, Olson, Ron <rol...@lbpc.com> wrote: > Hi all- > > I have a problem that I'm not sure how it can be (if it can be) solved in > Solr. I am using Solr 3.2 with patch 2524 installed to provide grouping. I > need to return the count of unique records that match a particular query. > > For an example of what I'm talking about, imagine I have an index of music > CD orders, created from a SQL database using the DataImportHandler. It's > possible that the person ordered multiple records by the same artist (e.g. > order #1234 contains Pink Floyd "Wish You Were", Pink Floyd "Meddle", Pink > Floyd "Obscured by Clouds"). One of the fields indexed and stored fields in > the document is "Artist". If I do a search for Pink Floyd, using the order > above, I'd get three documents, all with the same order number, for each of > the Pink Floyd records. What I'd like to find out is how many unique orders > have Pink Floyd across the entire index. The index has millions of > documents. > > I have been trying to see if the result grouping functionality provided by > patch 2524 will help, but while it does collapse the query above into one > document, the matches field is still the same as without the grouping (which > I guess makes sense insofar as it is still reporting the number of documents > it found for the query). I have also thought a subquery in my > DataImportHandler might work, though I'm not sure how I'd structure it. > > Thanks for any guidance on how to solve this problem; I know Solr isn't > meant to be a data-mining tool and I'm guessing I'm skating perilously close > to using it for that purpose, but anything I can do to take load from the > actual database is considered a Good Thing by all concerned. > > Ron > > DISCLAIMER: This electronic message, including any attachments, files or > documents, is intended only for the addressee and may contain CONFIDENTIAL, > PROPRIETARY or LEGALLY PRIVILEGED information. If you are not the intended > recipient, you are hereby notified that any use, disclosure, copying or > distribution of this message or any of the information included in or with > it is unauthorized and strictly prohibited. If you have received this > message in error, please notify the sender immediately by reply e-mail and > permanently delete and destroy this message and its attachments, along with > any copies thereof. This message does not create any contractual obligation > on behalf of the sender or Law Bulletin Publishing Company. > Thank you. > -- Regards, Dmitry Kan
