ZENOTME commented on code in PR #349:
URL: https://github.com/apache/iceberg-rust/pull/349#discussion_r1854528111
##########
crates/iceberg/src/spec/manifest_list.rs:
##########
@@ -106,34 +106,38 @@ impl std::fmt::Debug for ManifestListWriter {
impl ManifestListWriter {
/// Construct a v1 [`ManifestListWriter`] that writes to a provided
[`OutputFile`].
- pub fn v1(output_file: OutputFile, snapshot_id: i64, parent_snapshot_id:
i64) -> Self {
- let metadata = HashMap::from_iter([
+ pub fn v1(output_file: OutputFile, snapshot_id: i64, parent_snapshot_id:
Option<i64>) -> Self {
+ let mut metadata = HashMap::from_iter([
("snapshot-id".to_string(), snapshot_id.to_string()),
- (
- "parent-snapshot-id".to_string(),
- parent_snapshot_id.to_string(),
- ),
("format-version".to_string(), "1".to_string()),
]);
+ if let Some(parent_snapshot_id) = parent_snapshot_id {
+ metadata.insert(
+ "parent-snapshot-id".to_string(),
+ parent_snapshot_id.to_string(),
+ );
+ }
Self::new(FormatVersion::V1, output_file, metadata, 0, snapshot_id)
}
/// Construct a v2 [`ManifestListWriter`] that writes to a provided
[`OutputFile`].
pub fn v2(
output_file: OutputFile,
snapshot_id: i64,
- parent_snapshot_id: i64,
+ parent_snapshot_id: Option<i64>,
sequence_number: i64,
) -> Self {
- let metadata = HashMap::from_iter([
+ let mut metadata = HashMap::from_iter([
("snapshot-id".to_string(), snapshot_id.to_string()),
- (
- "parent-snapshot-id".to_string(),
- parent_snapshot_id.to_string(),
- ),
("sequence-number".to_string(), sequence_number.to_string()),
("format-version".to_string(), "2".to_string()),
]);
+ if let Some(parent_snapshot_id) = parent_snapshot_id {
Review Comment:
Good catch! Since the value here in pyiceberg will be `None`. I don't see
any reference about the metadata of ManifestList in iceberg spec. cc @Fokko
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