DKER2 commented on code in PR #11232:
URL: https://github.com/apache/arrow-rs/pull/11232#discussion_r4389250699
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parquet-variant/src/path.rs:
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@@ -324,6 +324,32 @@ mod tests {
assert_eq!(path, expected);
}
+ #[test]
+ fn test_variant_path_bracket_field_ownership() {
+ let path =
VariantPath::try_from(r#"[""]["plain"]["escaped\]field"]"#).unwrap();
+
+ match &path[0] {
+ VariantPathElement::Field {
+ name: Cow::Borrowed(name),
+ } => assert_eq!(*name, ""),
+ other => panic!("expected borrowed field, got {other:?}"),
+ }
+
+ match &path[1] {
+ VariantPathElement::Field {
+ name: Cow::Borrowed(name),
+ } => assert_eq!(*name, "plain"),
+ other => panic!("expected borrowed field, got {other:?}"),
+ }
+
+ match &path[2] {
+ VariantPathElement::Field {
+ name: Cow::Owned(name),
+ } => assert_eq!(name, "escaped]field"),
+ other => panic!("expected owned field, got {other:?}"),
+ }
+ }
Review Comment:
Sorry for overlooking this one earlier @sdf-jkl - collapsed the four `match`
blocks into a single `matches!` like you suggested in 8ffc6b9ff.
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