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Posted to issues@impala.apache.org by "Surya Hebbar (Jira)" <ji...@apache.org> on 2025/03/07 22:00:00 UTC

[jira] [Created] (IMPALA-13843) Use strings directly in rapidjson without conversion to char*

Surya Hebbar created IMPALA-13843:
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             Summary: Use strings directly in rapidjson without conversion to char*
                 Key: IMPALA-13843
                 URL: https://issues.apache.org/jira/browse/IMPALA-13843
             Project: IMPALA
          Issue Type: New Feature
            Reporter: Surya Hebbar
            Assignee: Surya Hebbar


The RapidJSON library recalculates length of a StringRef each time when using char*, until null character.

Within the codebase, many times we are converting from string->char* for RapidJSON.

This impacts large JSON profiles where this is repeated multiple times.

This is redundant. Instead with RAPIDJSON_HAS_STDSTRING., we can use string directly, which contains the size, instead of recalculating each time.



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