zeevm commented on a change in pull request #7586:
URL: https://github.com/apache/arrow/pull/7586#discussion_r448745612
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File path: rust/parquet/src/column/writer.rs
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@@ -216,26 +278,26 @@ impl<T: DataType> ColumnWriterImpl<T> {
def_levels_sink: vec![],
rep_levels_sink: vec![],
data_pages: VecDeque::new(),
+ min_page_value: None,
+ max_page_value: None,
+ num_page_nulls: 0,
+ page_distinct_count: None,
Review comment:
These are used to track page level stats and write those stats when
writing a page and to update the column level stats when writing the page.
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