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Posted to issues@hive.apache.org by "Vihang Karajgaonkar (JIRA)" <ji...@apache.org> on 2017/10/22 23:12:01 UTC
[jira] [Assigned] (HIVE-17874) Parquet vectorization fails on
tables with complex columns when there are no projected columns
[ https://issues.apache.org/jira/browse/HIVE-17874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vihang Karajgaonkar reassigned HIVE-17874:
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> Parquet vectorization fails on tables with complex columns when there are no projected columns
> ----------------------------------------------------------------------------------------------
>
> Key: HIVE-17874
> URL: https://issues.apache.org/jira/browse/HIVE-17874
> Project: Hive
> Issue Type: Sub-task
> Reporter: Vihang Karajgaonkar
> Assignee: Vihang Karajgaonkar
>
> When a parquet table contains an unsupported type like {{Map}}, {{LIST}} or {{UNION}} simple queries like {{select count(*) from table}} fails with {{unsupported type exception}} even though vectorized reader doesn't really need read the complex type into batches.
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