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https://issues.apache.org/jira/browse/PARQUET-895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney reassigned PARQUET-895:
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Assignee: Marc Vertes
> Reading of nested columns is broken
> -----------------------------------
>
> Key: PARQUET-895
> URL: https://issues.apache.org/jira/browse/PARQUET-895
> Project: Parquet
> Issue Type: Bug
> Components: parquet-cpp
> Reporter: Marc Vertes
> Assignee: Marc Vertes
>
> Problem occurs when reading a nested column with repeated values, specially
> when there is much more levels in that column than the number of global rows.
> Citing @peshopetrov, who filed a github pull request identifying the problem
> and proposing a fix:
> Nested repeated columns' count is incorrectly read from row group's metadata.
> That's correct in cases where there aren't any nested repeated fields but is
> generally not correct. Instead the num_values from the column's metadata
> should be used.
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