liurenjie1024 commented on code in PR #1922:
URL: https://github.com/apache/iceberg-rust/pull/1922#discussion_r2610044969
##########
crates/iceberg/src/arrow/record_batch_transformer.rs:
##########
@@ -83,14 +83,10 @@ fn constants_map(
// Handle both None (null) and Some(Literal::Primitive) cases
match &partition_data[pos] {
None => {
- // TODO
(https://github.com/apache/iceberg-rust/issues/1914): Add support for null
datum values.
- return Err(Error::new(
- ErrorKind::Unexpected,
- format!(
- "Partition field {} has null value for identity
transform",
- field.source_id
- ),
- ));
+ // Skip null partition values - they will be resolved as
null per Iceberg spec rule #4.
Review Comment:
I got it, it's a little tricky. When it's value is null, it will be resolved
to null since it's optional.
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