Reduce the default field count to 1

Author: biqar

Diff for: core/core_workload.cc

@@ -22,7 +22,7 @@ const string CoreWorkload::TABLENAME_PROPERTY = "table";
 const string CoreWorkload::TABLENAME_DEFAULT = "usertable";
 
 const string CoreWorkload::FIELD_COUNT_PROPERTY = "fieldcount";
-const string CoreWorkload::FIELD_COUNT_DEFAULT = "10";
+const string CoreWorkload::FIELD_COUNT_DEFAULT = "1";
 
 const string CoreWorkload::FIELD_LENGTH_DISTRIBUTION_PROPERTY =
         "field_len_dist";