ecols = embed.getColumns();
if (ecols.length == 0)
continue;
cval = (em == null) ? null : getValue(embed, em, i);
cval = embed.toEmbeddedDataStoreValue(cval, store);
if (cols.length == 1) {
// rvals is empty
rvals.add(cval); // save the return value
} else if (ecols.length == 1) {
Object rval = rvals.get(0);