/**
* Burrows into a synthetic record and returns the underlying relation which provides the field
* called <code>fieldName</code>.
*/
public JavaRel implementFieldAccess(JavaRelImplementor implementor, String fieldName) {
if (!isBoxed()) {
return implementor.implementFieldAccess((JavaRel) getChild(), fieldName);
}
RelDataType type = getRowType();
int field = type.getFieldOrdinal(fieldName);
RexLocalRef ref = program.getProjectList().get(field);
final int index = ref.getIndex();
return implementor.findRel((JavaRel) this, program.getExprList().get(index));
}
