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https://issues.apache.org/jira/browse/PARQUET-442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15130409#comment-15130409
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Deepak Majeti commented on PARQUET-442:
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Another priority is a `column_id` indicating the physical column
number(`parquet::SchemaElement` with 0 children). Is your plan to implement the
Impala's way, which is to build a tree from the flat `parquet::SchemaElement`
array?
> 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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