xxchan commented on code in PR #861:
URL: https://github.com/apache/iceberg-rust/pull/861#discussion_r1900309436
##########
crates/iceberg/src/metadata_scan.rs:
##########
@@ -128,6 +137,135 @@ impl<'a> SnapshotsTable<'a> {
}
}
+/// Manifests table.
+pub struct ManifestsTable<'a> {
+ metadata_table: &'a MetadataTable,
+}
+
+impl<'a> ManifestsTable<'a> {
+ fn partition_summary_fields(&self) -> Vec<Field> {
+ vec![
+ Field::new("contains_null", DataType::Boolean, false),
+ Field::new("contains_nan", DataType::Boolean, true),
+ Field::new("lower_bound", DataType::Utf8, true),
+ Field::new("upper_bound", DataType::Utf8, true),
+ ]
+ }
+
+ fn schema(&self) -> Schema {
Review Comment:
We might want to make this `pub`, so engines can get the schema first
without fetching the data.
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