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https://issues.apache.org/jira/browse/HIVE-15112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15707031#comment-15707031
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Ferdinand Xu commented on HIVE-15112:
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> Does that mean even if we have fully-implemented vectorized reader for
> complex types Hive will still use the row-by-row engine?
Yes, it's still use row-by-row engine AFAIK. And I found no tracking JIRA under
the original umbrella ticket HIVE-4160. Hi [~jnp], do you have any details
about compound types support in vectorization? Thank you!
> Implement Parquet vectorization reader for Struct type
> ------------------------------------------------------
>
> Key: HIVE-15112
> URL: https://issues.apache.org/jira/browse/HIVE-15112
> Project: Hive
> Issue Type: Sub-task
> Reporter: Ferdinand Xu
> Assignee: Ferdinand Xu
>
> Like HIVE-14815, we need support Parquet vectorized reader for struct type.
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