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https://issues.apache.org/jira/browse/HIVE-17875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vihang Karajgaonkar reassigned HIVE-17875:
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Assignee: (was: Vihang Karajgaonkar)
> Vectorization support for complex types breaks parquet vectorization
> --------------------------------------------------------------------
>
> Key: HIVE-17875
> URL: https://issues.apache.org/jira/browse/HIVE-17875
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Reporter: Vihang Karajgaonkar
> Priority: Major
>
> HIVE-16589 introduced support for complex types for vectorized execution. It
> introduces two new configs {{hive.vectorized.complex.types.enabled}} and
> {{hive.vectorized.groupby.complex.types.enabled}} which default to true and
> control whether {{Vectorizer}} creates a vectorized execution plan for
> queries using complex types. Since Parquet fileformat does not support
> vectorization for complex types yet, any query running on parquet tables with
> complex types current fails with a RuntimeException complaining that the
> complex type is not supported. We should improve the logic in Vectorizer to
> check if the FileinputFormat supports complex types and if not it should not
> vectorize the query plan.
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