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https://issues.apache.org/jira/browse/HIVE-11531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15043692#comment-15043692
]
Hive QA commented on HIVE-11531:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12775946/HIVE-11531.06.patch
{color:green}SUCCESS:{color} +1 due to 4 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 13 failed/errored test(s), 9901 tests
executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_udf_max
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_offset_limit
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_offset_limit_global_optimizer
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_offset_limit_ppd_optimizer
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorization_offset_limit
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_dynamic_partition_pruning
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_vectorized_dynamic_partition_pruning
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_mergejoin
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hadoop.hive.metastore.TestHiveMetaStorePartitionSpecs.testGetPartitionSpecs_WithAndWithoutPartitionGrouping
org.apache.hive.jdbc.TestSSL.testSSLVersion
org.apache.tez.dag.app.rm.TestLlapTaskSchedulerService.testSimpleLocalAllocation
{noformat}
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6261/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6261/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6261/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 13 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12775946 - PreCommit-HIVE-TRUNK-Build
> Add mysql-style LIMIT support to Hive, or improve ROW_NUMBER performance-wise
> -----------------------------------------------------------------------------
>
> Key: HIVE-11531
> URL: https://issues.apache.org/jira/browse/HIVE-11531
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Sergey Shelukhin
> Assignee: Hui Zheng
> Attachments: HIVE-11531.02.patch, HIVE-11531.03.patch,
> HIVE-11531.04.patch, HIVE-11531.05.patch, HIVE-11531.06.patch,
> HIVE-11531.WIP.1.patch, HIVE-11531.WIP.2.patch, HIVE-11531.patch
>
>
> For any UIs that involve pagination, it is useful to issue queries in the
> form SELECT ... LIMIT X,Y where X,Y are coordinates inside the result to be
> paginated (which can be extremely large by itself). At present, ROW_NUMBER
> can be used to achieve this effect, but optimizations for LIMIT such as TopN
> in ReduceSink do not apply to ROW_NUMBER. We can add first class support for
> "skip" to existing limit, or improve ROW_NUMBER for better performance
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