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https://issues.apache.org/jira/browse/HIVE-21133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16746969#comment-16746969
]
Hive QA commented on HIVE-21133:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12955494/HIVE-21133.02.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 15695 tests
executed
*Failed tests:*
{noformat}
TestReplicationScenariosIncrementalLoadAcidTables - did not produce a
TEST-*.xml file (likely timed out) (batchId=251)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/15703/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15703/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15703/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
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: 12955494 - PreCommit-HIVE-Build
> Add simulated materialized views useful for rewriting debugging
> ---------------------------------------------------------------
>
> Key: HIVE-21133
> URL: https://issues.apache.org/jira/browse/HIVE-21133
> Project: Hive
> Issue Type: Improvement
> Components: Materialized views
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-21133.01.patch, HIVE-21133.02.patch,
> HIVE-21133.patch
>
>
> Implement simulated materialized views, useful to check whether a certain
> rewriting will be triggered. Simulated materialized views definitions will be
> stored in the user session, and they will only be used when simulation mode
> is enabled and user runs {{explain cbo}} / {{explain cbo extended}}.
> {code}
> set hive.simulation.enable=true;
> create simulated materialized view mv1_n2 as
> select * from emps_n3 where empid < 150;
> explain cbo
> select *
> from (select * from emps_n3 where empid < 120) t
> join depts_n2 using (deptno);
> drop simulated materialized view mv1_n2;
> {code}
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