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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11527) bypass HiveServer2 thrift interface for query results
Date Tue, 21 Jun 2016 06:33:57 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15341214#comment-15341214
] 

Thejas M Nair commented on HIVE-11527:
--------------------------------------

Regarding comment in review board -
bq. ... typeDesc does not have enough infomation for complex column types. For example, "struct<int,
string>" is regarded as "struct". On the other hand, typename has detailed infomation as
is.

The comment in [TCLIService line 147 |https://github.com/apache/hive/blob/master/service-rpc/if/TCLIService.thrift#L147]
suggests an intent to store this information. However the definitions don't seem to match
the comment.
[~prasadm] [~cwsteinbach] Was there some roadblock you hit in representing the full complex
type ?


> bypass HiveServer2 thrift interface for query results
> -----------------------------------------------------
>
>                 Key: HIVE-11527
>                 URL: https://issues.apache.org/jira/browse/HIVE-11527
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>            Reporter: Sergey Shelukhin
>            Assignee: Takanobu Asanuma
>         Attachments: HIVE-11527.10.patch, HIVE-11527.11.patch, HIVE-11527.WIP.patch
>
>
> Right now, HS2 reads query results and returns them to the caller via its thrift API.
> There should be an option for HS2 to return some pointer to results (an HDFS link?) and
for the user to read the results directly off HDFS inside the cluster, or via something like
WebHDFS outside the cluster
> Review board link: https://reviews.apache.org/r/40867



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