f.add( "type", (ftype==null)?null:ftype.getTypeName() );
f.add( "schema", getFieldFlags( sfield ) );
// If numTerms==0, the call is just asking for a quick field list
if( ttinfo != null && sfield != null && sfield.indexed() ) {
Query q = qp.parse( fieldName+":[* TO *]" );
int docCount = searcher.numDocs( q, matchAllDocs );
if( docCount > 0 ) {
// Find a document with this field
DocList ds = searcher.getDocList( q, (Query)null, (Sort)null, 0, 1 );