code: public String readQuery(String queryKey) {
  
          String value = m_queries.get(queryKey);
          if (value == null) {
              if (LOG.isErrorEnabled()) {
                  LOG.error(Messages.get().getBundle().key(Messages.LOG_QUERY_NOT_FOUND_1, queryKey));
              }
          }
          return value;
      }
docs: Searches for the SQL query with the specified key.<p>
  
  @param queryKey the SQL query key
  @return the the SQL query in this property list with the specified key