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Posted to dev@parquet.apache.org by "Nandor Kollar (JIRA)" <ji...@apache.org> on 2018/12/14 10:21:00 UTC

[jira] [Created] (PARQUET-1478) Can't read spec compliant, 3-level lists via parquet-proto

Nandor Kollar created PARQUET-1478:
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             Summary: Can't read spec compliant, 3-level lists via parquet-proto
                 Key: PARQUET-1478
                 URL: https://issues.apache.org/jira/browse/PARQUET-1478
             Project: Parquet
          Issue Type: Bug
          Components: parquet-mr
            Reporter: Nandor Kollar


I noticed that ProtoInputOutputFormatTest doesn't test the following case properly: when lists are written using the spec compliant 3-level structure. The test actually doesn't write 3-level list, because the passed configuration is not used at all, a new one is created each time. See attached PR.

When I fixed this test, it turned out that it is failing: now it writes the correct 3-level structure, but looks like the read path is broken. Is it indeed a bug, or I'm doing something wrong?



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