Hey Joel,
It's been awhile! Hope you are doing well.
The feature you are proposing reminded me of the Lucidworks work I was
involved with for Lowe's Canada and how to deal with changing product
prices... Whether in or out of Solr it seems like there would be a number
of users who may benefit
We are in the process of developing large scale support for external file
fields. This is designed to accommodate very large product catalogs with a
very large number of custom price lists. It can also be applied to
inventory or other frequently changing values. The question I have is if
this is a