etseidl commented on code in PR #9831:
URL: https://github.com/apache/arrow-rs/pull/9831#discussion_r3171446726
##########
parquet/src/column/writer/mod.rs:
##########
@@ -314,6 +314,54 @@ impl<T: Default> ColumnMetrics<T> {
}
}
+/// Borrowed view of level data, analogous to `&str` for `LevelData`'s
`String`.
+///
+/// This type exists so that [`GenericColumnWriter::write_batch_internal`] can
accept
+/// level data from two callers without allocating: the public
[`GenericColumnWriter::write_batch`]
+/// API wraps caller-provided `&[i16]` slices directly as `Materialized`,
while the Arrow
+/// writer path converts owned `LevelData` via `.as_ref()` (which may also
produce `Uniform`).
+#[derive(Debug, Clone, Copy)]
+pub(crate) enum LevelDataRef<'a> {
Review Comment:
Just curious why this is defined here rather than where `LevelData` is
defined.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
