pitrou commented on code in PR #46992:
URL: https://github.com/apache/arrow/pull/46992#discussion_r2192856061
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cpp/src/parquet/statistics.cc:
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@@ -792,6 +805,8 @@ class TypedStatisticsImpl : public TypedStatistics<DType> {
this->statistics_.null_count = 0;
this->statistics_.distinct_count = 0;
this->num_values_ = 0;
+ this->statistics_.is_min_value_exact = std::nullopt;
+ this->statistics_.is_max_value_exact = std::nullopt;
Review Comment:
I'm not sure why these are reset here, since this method is ostensibly
resetting the various counts, not the extrema.
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