tustvold commented on code in PR #4871:
URL: https://github.com/apache/arrow-rs/pull/4871#discussion_r1338849142
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parquet/src/arrow/arrow_writer/levels.rs:
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@@ -558,10 +564,25 @@ pub(crate) struct LevelInfo {
/// The maximum repetition for this leaf column
max_rep_level: i16,
+
+ /// The arrow array
+ array: ArrayRef,
Review Comment:
This is the major meat of the PR, by bundling the leaf array with the
corresponding metadata, we get an API that is very amenable to parallelization
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