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From "Vihang Karajgaonkar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17931) Implement Parquet vectorization reader for Array type
Date Thu, 09 Nov 2017 19:09:01 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16246298#comment-16246298
] 

Vihang Karajgaonkar commented on HIVE-17931:
--------------------------------------------

I thought vectorization support for complex types is available on master based on what I see
here https://github.com/apache/hive/blob/master/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java#L2891

Is that not true?

> Implement Parquet vectorization reader for Array type
> -----------------------------------------------------
>
>                 Key: HIVE-17931
>                 URL: https://issues.apache.org/jira/browse/HIVE-17931
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Colin Ma
>            Assignee: Colin Ma
>         Attachments: HIVE-17931.001.patch, HIVE-17931.002.patch, HIVE-17931.003.patch
>
>
> Parquet vectorized reader can't support array type, it should be supported to improve
the performance when the query with array type. 



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