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https://issues.apache.org/jira/browse/HIVE-8839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14213809#comment-14213809
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Hive QA commented on HIVE-8839:
-------------------------------
{color:green}Overall{color}: +1 all checks pass
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12681743/HIVE-8839.2.patch
{color:green}SUCCESS:{color} +1 6693 tests passed
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1811/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1811/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-1811/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12681743 - PreCommit-HIVE-TRUNK-Build
> Support "alter table .. add/replace columns cascade"
> ----------------------------------------------------
>
> Key: HIVE-8839
> URL: https://issues.apache.org/jira/browse/HIVE-8839
> Project: Hive
> Issue Type: Improvement
> Components: SQL
> Environment:
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Labels: TODOC15
> Fix For: 0.15.0
>
> Attachments: HIVE-8839.1.patch, HIVE-8839.2.patch, HIVE-8839.2.patch,
> HIVE-8839.patch
>
>
> We often run into some issues like HIVE-6131which is due to inconsistent
> column descriptors between table and partitions after alter table.
> HIVE-8441/HIVE-7971 provided the flexibility to alter table at partition
> level. But most cases we have need change the table and partitions at same
> time. In addition, "alter table" is usually required prior to "alter table
> partition .." since querying table partition data is also through table.
> Instead of do that in two steps, here we provide a convenient ddl like "alter
> table ... cascade" to cascade table changes to partitions as well. The
> changes are only limited and applicable to add/replace columns and change
> column name, datatype, position and comment.
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