code: public void append2SQLWhere(final SQLSelect _select)
          throws EFapsException
      {
          for (final ISelectPart part : this.selectParts) {
              part.add2Where(this, _select);
          }
      }
docs: Method used to append to the where part of an SQL statement.
  
  @param _select   SQL select wrapper
  @throws EFapsException on error