c-thiel commented on code in PR #641:
URL: https://github.com/apache/iceberg-rust/pull/641#discussion_r1772000307
##########
crates/iceberg/src/catalog/mod.rs:
##########
@@ -133,6 +133,16 @@ impl NamespaceIdent {
pub fn inner(self) -> Vec<String> {
self.0
}
+
+ /// Get the parent of this namespace.
+ /// Returns None if this namespace only has a single element and thus has
no parent.
+ pub fn parent(&self) -> Option<Self> {
+ if self.0.len() <= 1 {
+ None
+ } else {
+ Some(Self(self.0[..self.0.len() - 1].to_vec()))
+ }
+ }
Review Comment:
It's not quite as elegant, as split_last() might still yield an empty
parent. I switched to `split_last` in the latest commit.
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