GH-41726: [C++][Parquet] Minor: moving EncodedStats by default rather than copying #41727
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wgtmac
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@pitrou this is a short pr, would you mind take a fast glance? |
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After merging your PR, Conbench analyzed the 7 benchmarking runs that have been run so far on merge-commit 8967ddc. There were no benchmark performance regressions. 🎉 The full Conbench report has more details. It also includes information about 10 possible false positives for unstable benchmarks that are known to sometimes produce them. |
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…rather than copying (apache#41727) ### Rationale for this change Moving EncodedStats because it holds two std::string. This could benifit for non-SSO optimized data for FLBA/String statistics ( It seems to be useless for SSO optimized data?) ### What changes are included in this PR? 1. construct `EncodedStats` by `std::move` 2. Making uncompressing size checking ahead of compressing ### Are these changes tested? Covered by existing. ### Are there any user-facing changes? No * GitHub Issue: apache#41726 Authored-by: mwish <[email protected]> Signed-off-by: mwish <[email protected]>
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Rationale for this change
Moving EncodedStats because it holds two std::string. This could benifit for non-SSO optimized data for FLBA/String statistics ( It seems to be useless for SSO optimized data?)
What changes are included in this PR?
EncodedStatsbystd::moveAre these changes tested?
Covered by existing.
Are there any user-facing changes?
No