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https://issues.apache.org/jira/browse/HIVE-18048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16336690#comment-16336690
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Colin Ma commented on HIVE-18048:
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[~Ferd], the patch is updated with the new solution. There will be a new UDF to
process the field of Struct. Can you help to review the patch, thanks for your
help.
> Support Struct type with vectorization for Parquet file
> -------------------------------------------------------
>
> Key: HIVE-18048
> URL: https://issues.apache.org/jira/browse/HIVE-18048
> Project: Hive
> Issue Type: Sub-task
> Reporter: Colin Ma
> Assignee: Colin Ma
> Priority: Major
> Attachments: HIVE-18048.001.patch, HIVE-18048.002.patch,
> HIVE-18048.003.patch
>
>
> Struct type is not supported in MapWork with vectorization, it should be
> supported to improve the performance.
> The following improvements will be implemented:
> * Add fields of struct type to VectorizedRowBatchCtx.
> * Improve the VectorizedParquetRecordReader to support the struct type for
> parquet file.
> Note:
> * Orc file won't be supported.
> * Filter operator won't be supported.
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