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Hive QA commented on HIVE-13982: -------------------------------- Here are the results of testing the latest attachment: https://issues.apache.org/jira/secure/attachment/12809514/HIVE-13982.2.patch {color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified. {color:red}ERROR:{color} -1 due to 11 failed/errored test(s), 10224 tests executed *Failed tests:* {noformat} org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_acid_globallimit org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_stats_list_bucket org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_multiinsert org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver_constprog_partitioner org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver_index_bitmap3 org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_explainuser_1 org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_explainuser_2 org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_groupby_reduce org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_14 org.apache.hadoop.hive.cli.TestPerfCliDriver.testPerfCliDriver_query45 org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_14 {noformat} Test results: https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/87/testReport Console output: https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/87/console Test logs: http://ec2-50-18-27-0.us-west-1.compute.amazonaws.com/logs/PreCommit-HIVE-MASTER-Build-87/ 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: 11 tests failed {noformat} This message is automatically generated. ATTACHMENT ID: 12809514 - PreCommit-HIVE-MASTER-Build > Extension to limit push down through order by & group by > -------------------------------------------------------- > > Key: HIVE-13982 > URL: https://issues.apache.org/jira/browse/HIVE-13982 > Project: Hive > Issue Type: Improvement > Components: Physical Optimizer > Affects Versions: 2.2.0 > Reporter: Jesus Camacho Rodriguez > Assignee: Jesus Camacho Rodriguez > Attachments: HIVE-13982.2.patch, HIVE-13982.patch > > > Pointed out by [~gopalv]. > Queries which follow the format are not optimal with map-side aggregation, > because the Map 1 does not have TopN in the reduce sink. > These queries shuffle 100% of the aggregate in cases where the reduce de-dup > does not kick in. > {code} > select state, city, sum(sales) from table > group by state, city > order by state, city > limit 10; > {code} > {code} > select state, city, sum(sales) from table > group by city, state > order by state, city > limit 10; > {code} > {code} > select state, city, sum(sales) from table > group by city, state > order by state desc, city > limit 10; > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)