stevenzwu commented on issue #7507:
URL: https://github.com/apache/iceberg/issues/7507#issuecomment-1535003024
then the Projection class doesn't have to deal with null wrapped value. e.g.
```
public <T> T get(int pos, Class<T> javaClass) {
if (struct == null) {
// Return a null struct when projecting a nested required field from
an optional struct.
// See more details in issue #2738.
return null;
}
```
it also mirroring the original struct more faithfully.
```
Struct(1, null) -> StructProjection(1, null) | instead of
StructProjection(1, StructProjection(null))
```
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