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https://issues.apache.org/jira/browse/HIVE-15474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15801316#comment-15801316
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Hive QA commented on HIVE-15474:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12845783/HIVE-15474.02.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 7 failed/errored test(s), 10901 tests
executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out)
(batchId=233)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[case_sensitivity]
(batchId=61)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[input_testxpath]
(batchId=28)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_coalesce]
(batchId=75)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[orc_ppd_basic]
(batchId=134)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[orc_ppd_schema_evol_3a]
(batchId=135)
org.apache.hadoop.hive.cli.TestSparkCliDriver.org.apache.hadoop.hive.cli.TestSparkCliDriver
(batchId=95)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2799/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2799/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2799/
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: 7 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12845783 - PreCommit-HIVE-Build
> Extend limit propagation for chain of RS-GB-RS operators
> --------------------------------------------------------
>
> Key: HIVE-15474
> URL: https://issues.apache.org/jira/browse/HIVE-15474
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Affects Versions: 2.2.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-15474.01.patch, HIVE-15474.03.patch,
> HIVE-15474.patch
>
>
> The goal is to extend the work started in HIVE-14002.
> For instance, given the following query:
> {code:sql}
> explain
> select key, value, count(key + 1) as agg1 from src
> group by key, value
> order by key, value, agg1 limit 20;
> {code}
> We generate the following physical plan:
> {{TS1 - GBY2 - RS3 - GBY4 - RS5 - SEL6 - LIM7 - FS8}}
> We can push the limit to RS3 operator, as we will generate records for the
> _top N_ keys, and thus, GBY4 will produce the _top N_ results. However,
> currently we do not do it.
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