code: public static <T> String getColumnsCsv(Class<T> clazz, String... tablePrefix)
     {
        return OrmReader.getColumnsCsv(clazz, tablePrefix);
     }
docs: Get a comma separated values list of column names for the given class, suitable
  for inclusion into a SQL SELECT statement.
  
  @param clazz the annotated class
  @param tablePrefix an optional table prefix to append to each column
  @param <T> the class template
  @return a CSV of annotated column names