docs: protected boolean appendColName(String attr, boolean useOuterJoins, UserAlias aUserAlias, StringBuffer buf)
      {
  		AttributeInfo attrInfo = getAttributeInfo(attr, useOuterJoins, aUserAlias, getQuery().getPathClasses());
          TableAlias tableAlias = attrInfo.tableAlias;
  
          return appendColName(tableAlias, attrInfo.pathInfo, (tableAlias != null), buf);
      }