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Posted to issues-all@impala.apache.org by "Csaba Ringhofer (Jira)" <ji...@apache.org> on 2021/11/17 13:28:00 UTC

[jira] [Created] (IMPALA-11024) Improve printing of struct and collection types

Csaba Ringhofer created IMPALA-11024:
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             Summary: Improve printing of struct and collection types
                 Key: IMPALA-11024
                 URL: https://issues.apache.org/jira/browse/IMPALA-11024
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
            Reporter: Csaba Ringhofer


Arrays and structs are converted to json strings before returning them to the clients. This can be tricky because of:
- handling of special characters, e.g. quotes
- possibly huge memory consumption, especially for large arrays

We should investigate whether we can use a library (currently RapidJSON) or we'll need to implement it in Impala.



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