public Object getSortPropsDescriptor(Object sortPropsID)
{
FormatableProperties props = this.sortProperties;
// create new scan info descriptor with some basic information
XPLAINSortPropsDescriptor sortRSDescriptor =
new XPLAINSortPropsDescriptor(
(UUID)sortPropsID, // the sort props UUID
null, // the sort type, either (C)onstraint, (I)ndex or (T)able
null, // the number of input rows
null, // the number of output rows
null, // the number of merge runs