sunchao commented on a change in pull request #307:
URL: https://github.com/apache/arrow-rs/pull/307#discussion_r639237063
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File path: parquet/src/column/writer.rs
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@@ -607,9 +607,11 @@ impl<T: DataType> ColumnWriterImpl<T> {
let max_def_level = self.descr.max_def_level();
let max_rep_level = self.descr.max_rep_level();
+ // always update column NULL count, no matter if page stats are used
+ self.num_column_nulls += self.num_page_nulls;
Review comment:
Oops, you're right. I misread `calculate_page_stats` in the code. My
apologies.
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