* @return The NumericExpression resulting from the size() method.
*/
public NumericExpression sizeMethod()
{
IdentifierFactory idFactory = qs.getStoreManager().getIdentifierFactory();
String ctIdentifier = idFactory.newIdentifier(te.getAlias(), fieldName).getIdentifier();
DatastoreIdentifier ctRangeVar = idFactory.newIdentifier(IdentifierFactory.TABLE, ctIdentifier);
return new ContainerSizeExpression(qs, getBackingStoreQueryable().getSizeSubquery(qs, mapping, te, ctRangeVar));
}