builder.append(this.getClass().getSimpleName()).append('[');
RowType rowType = rowType();
final int fieldsCount = rowType.nFields();
AkibanAppender appender = AkibanAppender.of(builder);
for (int i=0; i < fieldsCount; ++i) {
if (rowType.typeAt(i) == null) {
assert value(i).isNull();
builder.append("NULL");
}
else {
if (value(i).hasAnyValue()) {