RE: external values source

otter [mailto:thelabd...@gmail.com] Sent: Saturday, April 20, 2013 2:02 AM To: solr-user@lucene.apache.org Subject: Re: external values source Hi Maciek, I think a custom ValueSource is definitely what you want because you need to compute some derived value based on an indexed field and some external value.

Re: external values source

Hi Maciek, I think a custom ValueSource is definitely what you want because you need to compute some derived value based on an indexed field and some external value. The trick is figuring how to make the lookup to the external data very, very fast. Here's a rough sketch of what we do: We have a

external values source

I need some explanation on how ValuesSource and related classes work. There are already implemented ExternalFileField, example on how to load data from database ( http://sujitpal.blogspot.com/2011/05/custom-sorting-