I'm trying to filter my document collection by an external "mean" that produces a set of document unique keys. Assuming this goes into a custom request handler (solr-281 making that easy), any pitfall using a ConstantScoreQuery (or an equivalent filtering functionality) as a Solr "filter query" ? Thanks -- View this message in context: http://www.nabble.com/Filtering-by-document-unique-key-tf4654343.html#a13298066 Sent from the Solr - User mailing list archive at Nabble.com.