mapleFU commented on code in PR #43801:
URL: https://github.com/apache/arrow/pull/43801#discussion_r1737977798
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cpp/src/arrow/array/data.cc:
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@@ -195,6 +197,7 @@ std::shared_ptr<ArrayData> ArrayData::Slice(int64_t off,
int64_t len) const {
} else {
copy->null_count = null_count != 0 ? kUnknownNullCount : 0;
}
+ copy->statistics = nullptr;
Review Comment:
A naive question, `if off == 0 && len == this->length`, should we keep this?
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