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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10427) collect_list() and collect_set() should accept struct types as argument
Date Thu, 21 May 2015 08:45:01 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14553898#comment-14553898
] 

Hive QA commented on HIVE-10427:
--------------------------------



{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12734347/HIVE-10427.2.patch

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 8969 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udaf_collect_set_2
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3982/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3982/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-3982/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 1 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12734347 - PreCommit-HIVE-TRUNK-Build

> collect_list() and collect_set() should accept struct types as argument
> -----------------------------------------------------------------------
>
>                 Key: HIVE-10427
>                 URL: https://issues.apache.org/jira/browse/HIVE-10427
>             Project: Hive
>          Issue Type: Wish
>          Components: UDF
>            Reporter: Alexander Behm
>            Assignee: Chao Sun
>         Attachments: HIVE-10427.1.patch, HIVE-10427.2.patch
>
>
> The collect_list() and collect_set() functions currently only accept scalar argument
types. It would be very useful if these functions could also accept struct argument types
for creating nested data from flat data.
> For example, suppose I wanted to create a nested customers/orders table from two flat
tables, customers and orders. Then it'd be very convenient to write something like this:
> {code}
> insert into table nested_customers_orders
> select c.*, collect_list(named_struct("oid", o.oid, "order_date": o.date...))
> from customers c inner join orders o on (c.cid = o.oid)
> group by c.cid
> {code}
> Thanks you for your consideration.



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