apache/lucene-solr — pull request #39 by codematters (2014-02-27 16:20:33+00:00)
Title: SOLR-5789 Add min/max modifiers to Atomic Updates

Allows for conditional atomic updates -- if new value is smaller or
larger than the old value.

Jira: https://issues.apache.org/jira/browse/SOLR-5789