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GH-49720: [C++] Optimize base64_decode validation using lookup table #49748

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Merged
kou merged 2 commits into from
Apr 18, 2026
+18 −9

Use constexpr std::string_view for base64_chars

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Merged

GH-49720: [C++] Optimize base64_decode validation using lookup table #49748

Use constexpr std::string_view for base64_chars
a4e7a08
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succeeded Apr 18, 2026 in 16s