Fokko commented on code in PR #11728:
URL: https://github.com/apache/iceberg/pull/11728#discussion_r1877861454
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api/src/main/java/org/apache/iceberg/types/Types.java:
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@@ -412,6 +413,24 @@ public String toString() {
}
}
+ public static class NullType extends PrimitiveType {
Review Comment:
@Ppei-Wang this would entail extending the [Iceberg table
specification](https://iceberg.apache.org/spec/), by adding a new NULL type.
Hive might have a NullType, but other query engines might not, so we need to
make sure that it is adopted correctly. For changes to the specification, we
should have a discussion in the community, it should go through a [Iceberg
improvement
proposal](https://iceberg.apache.org/contribute/#apache-iceberg-improvement-proposals).
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