Max length of solr query

Hi,all My Application throws too large query to solr server with solrj client.(Http Method is Post) I have two questions. At first,I would like to know the limit of clauses of Boolean Query.I Know the number is restricted to 1024 by default, and I can increase the limit by setting setMaxClauseC

copying all fields to one specific single value field

Hi,all I would like to copy all fields to one specific single value field. The reason is that I must use facet query.I think that the fileld to use facet query needs not multi value but single value. In order to achive this,I've tried to use CopyFiled in schema.xml,but Error occured. The Schema