JDBCEntityBridge relatedEntity = cmrField.getRelatedJDBCEntity();
ReadAheadCache relatedCache = cmrField.getRelatedManager().getReadAheadCache();
// load related id
ref[0] = null;
index = relatedEntity.loadPrimaryKeyResults(rs, index, ref);
Object relatedId = ref[0];
boolean cacheRelatedData = relatedId != null;
if (pk != null) {
if (cmrField.getMetaData().getRelatedRole().isMultiplicityOne()) {