felipecrv commented on code in PR #44906:
URL: https://github.com/apache/arrow/pull/44906#discussion_r1874532458
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cpp/src/arrow/util/string_builder.h:
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@@ -46,7 +47,12 @@ class ARROW_EXPORT StringStreamWrapper {
template <typename Head>
void StringBuilderRecursive(std::ostream& stream, Head&& head) {
- stream << head;
+ if constexpr (std::is_floating_point_v<std::decay_t<Head>>) {
+ // Avoid losing precision when printing floating point numbers
+ stream << std::to_string(head);
Review Comment:
Could this be considered an user-facing change?
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