dentiny commented on code in PR #1273:
URL: https://github.com/apache/iceberg-rust/pull/1273#discussion_r2065294379
##########
crates/iceberg/src/catalog/mod.rs:
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@@ -68,6 +68,10 @@ pub trait Catalog: Debug + Sync + Send {
) -> Result<()>;
/// Drop a namespace from the catalog, or returns error if it doesn't
exist.
+ ///
+ /// If a parent namespace gets dropped, all its children namespaces will
be dropped as well.
+ /// This function doesn't provide transaction guarantee, which means it's
possible to have parent namespace deleted with children namespaces still left.
Review Comment:
For transaction guarantee, I'm thinking about object storage based catalog,
which could require list + multiple delete operations (depending on the
detailed implementation).
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