emkornfield commented on code in PR #14603:
URL: https://github.com/apache/arrow/pull/14603#discussion_r1048051811
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cpp/src/parquet/column_reader.h:
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@@ -55,6 +56,29 @@ static constexpr uint32_t kDefaultMaxPageHeaderSize = 16 *
1024 * 1024;
// 16 KB is the default expected page header size
static constexpr uint32_t kDefaultPageHeaderSize = 16 * 1024;
+// \brief DataPageStats stores encoded statistics and number of values/rows for
+// a page.
+struct PARQUET_EXPORT DataPageStats {
+ DataPageStats(EncodedStatistics* encoded_statistics, int32_t num_values,
+ std::optional<int32_t> num_rows)
+ : encoded_statistics(encoded_statistics),
+ is_stats_set(encoded_statistics->is_set()),
+ num_values(num_values),
+ num_rows(num_rows) {}
+
+ // Encoded statistics extracted from the page header.
+ EncodedStatistics* encoded_statistics;
+ // False if there were no encoded statistics in the page header.
+ bool is_stats_set;
Review Comment:
would encoded_stats just be null here? are both needed?
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