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https://issues.apache.org/jira/browse/PARQUET-442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15129973#comment-15129973
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Wes McKinney commented on PARQUET-442:
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There's a lot more to do here than fits in one JIRA. I'll post a WIP patch
within the next couple days and create a bunch of follow up JIRAs about
schema-related stuff. The biggest priority is initializing the column readers
with a proper {{ColumnDescriptor}} indicating the repetition / definition level
of the leaf node (since we are unable to read most nested data at the moment).
> Convert flat SchemaElement vector to implied nested schema data structure
> -------------------------------------------------------------------------
>
> Key: PARQUET-442
> URL: https://issues.apache.org/jira/browse/PARQUET-442
> Project: Parquet
> Issue Type: New Feature
> Components: parquet-cpp
> Reporter: Wes McKinney
> Assignee: Wes McKinney
>
> To assist with conversion to in-memory nested data structures. Related:
> PARQUET-441
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