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Posted to jira@arrow.apache.org by "Jorge Leitão (Jira)" <ji...@apache.org> on 2021/03/27 06:47:00 UTC

[jira] [Created] (ARROW-12117) [C++] Root message of parquet may contain repetition

Jorge Leitão created ARROW-12117:
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             Summary: [C++] Root message of parquet may contain repetition
                 Key: ARROW-12117
                 URL: https://issues.apache.org/jira/browse/ARROW-12117
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
            Reporter: Jorge Leitão


According to the parquet format, [the root message does not contain a repetition|https://github.com/apache/parquet-format/blob/master/src/main/thrift/parquet.thrift#L363]. However, it seems that cpp implementation is writing one.

I noticed this while going through the Rust parquet reader, that has some comments in this direction: E.g.

[https://github.com/apache/arrow/blob/5be69789eeac0f2c357cfcd0d329c518848adebc/rust/parquet/src/schema/types.rs#L1091]

and

[https://github.com/apache/arrow/blob/5be69789eeac0f2c357cfcd0d329c518848adebc/rust/parquet/src/schema/types.rs#L2059]

 



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