demand_text:12
实际当中是字段demand,sunspot生成的时候会生成，demand_text
sunspot内置的solr的版本
http://127.0.0.1:8982/solr/admin/registry.jsp
Solr Specification Version: 1.4.0Solr Implementation Version: 1.4.0 833479 - grantingersoll - 2009-11-06 12:33:40Lucene Specification Version: 2.9.1Lucene Implementation Version: 2.9.1 832363 - 2009-11-03 04:37:25 Current Time: Thu Aug 18 14:41:47 CST 2011 Server Start Time:Thu Aug 18 13:29:12 CST 2011