mapleFU commented on code in PR #35989:
URL: https://github.com/apache/arrow/pull/35989#discussion_r1237552645
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cpp/src/parquet/statistics.cc:
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@@ -543,7 +557,7 @@ class TypedStatisticsImpl : public TypedStatistics<DType> {
ResetCounts();
has_min_max_ = false;
has_distinct_count_ = false;
- has_null_count_ = false;
+ has_null_count_ = true;
Review Comment:
page statistics will call `Reset`, this will clear `has_null_count_`,
however, this time it should have `has_null_count_ = 0`
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