ah, thanks for the link. -- John Blythe
On Wed, Oct 4, 2017 at 9:23 AM, Erick Erickson <erickerick...@gmail.com> wrote: > Check. The problem is they don't encode the exact length. I _think_ > this patch shows you'd be OK with shorter lengths, but check: > https://issues.apache.org/jira/browse/LUCENE-7730. > > Note it's not the patch that counts here, just look at the table of > lengths. > > Best, > Erick > > On Wed, Oct 4, 2017 at 4:25 AM, John Blythe <johnbly...@gmail.com> wrote: > > interesting idea. > > > > the field in question is one that can have a good deal of stray zeros > based > > on distributor skus for a product and bad entries from those entering > them. > > part of the matching logic for some operations look for these > discrepancies > > by having a simple regex that removes zeroes. so 400010 can match with > > 40010 (and rightly so). issues come in the form of rare cases where 41 > is a > > sku by the same distributor or manufacturer and thus can end up being an > > erroneous match. having a means of looking at the length would help to > know > > that going from 6 characters to 2 is too far a leap to be counted as a > > match. > > > > -- > > John Blythe > > > > On Wed, Oct 4, 2017 at 6:22 AM, alessandro.benedetti < > a.benede...@sease.io> > > wrote: > > > >> Are the norms a good approximation for you ? > >> If you preserve norms at indexing time ( it is a configuration that you > can > >> operate in the schema.xml) you can retrieve them with this specific > >> function > >> query : > >> > >> *norm(field)* > >> Returns the "norm" stored in the index for the specified field. This is > the > >> product of the index time boost and the length normalization factor, > >> according to the Similarity for the field. > >> norm(fieldName) > >> > >> This will not be the exact length of the field, but it can be a good > >> approximation though. > >> > >> Cheers > >> > >> > >> > >> ----- > >> --------------- > >> Alessandro Benedetti > >> Search Consultant, R&D Software Engineer, Director > >> Sease Ltd. - www.sease.io > >> -- > >> Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html > >> >
