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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11775) Implement limit push down through union all in CBO
Date Sun, 13 Dec 2015 08:03:46 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15054841#comment-15054841
] 

Hive QA commented on HIVE-11775:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12777324/HIVE-11775.07.patch

{color:green}SUCCESS:{color} +1 due to 8 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 40 failed/errored test(s), 9882 tests executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
TestMiniTezCliDriver-auto_sortmerge_join_13.q-tez_self_join.q-alter_merge_2_orc.q-and-12-more
- did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_merge4
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_order2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_temp_table
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union9
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver_encryption_insert_partition_dynamic
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_constprog_dpp
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.org.apache.hadoop.hive.cli.TestMiniTezCliDriver
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_auto_join30
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_auto_sortmerge_join_11
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_constprog_dpp
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_filter_join_breaktask
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_insert_into1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_mergejoin
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_metadata_only_queries_with_filters
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_nonmr_fetch_threshold
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_temp_table
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_dynpart_hashjoin_3
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_join
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_union3
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_aggregate_without_gby
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_data_types
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_if_expr
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_9
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_nested_udf
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_math_funcs
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_temp_table
org.apache.hadoop.hive.metastore.TestHiveMetaStorePartitionSpecs.testFetchingPartitionsWithDifferentSchemas
org.apache.hadoop.hive.metastore.TestHiveMetaStorePartitionSpecs.testGetPartitionSpecs_WithAndWithoutPartitionGrouping
org.apache.hive.jdbc.TestSSL.testSSLVersion
org.apache.hive.spark.client.TestSparkClient.testAddJarsAndFiles
org.apache.hive.spark.client.TestSparkClient.testCounters
org.apache.hive.spark.client.TestSparkClient.testErrorJob
org.apache.hive.spark.client.TestSparkClient.testJobSubmission
org.apache.hive.spark.client.TestSparkClient.testMetricsCollection
org.apache.hive.spark.client.TestSparkClient.testRemoteClient
org.apache.hive.spark.client.TestSparkClient.testSimpleSparkJob
org.apache.hive.spark.client.TestSparkClient.testSyncRpc
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6339/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6339/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6339/

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: 40 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12777324 - PreCommit-HIVE-TRUNK-Build

> Implement limit push down through union all in CBO
> --------------------------------------------------
>
>                 Key: HIVE-11775
>                 URL: https://issues.apache.org/jira/browse/HIVE-11775
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-11775.01.patch, HIVE-11775.02.patch, HIVE-11775.03.patch, HIVE-11775.04.patch,
HIVE-11775.05.patch, HIVE-11775.06.patch, HIVE-11775.07.patch
>
>
> Enlightened by HIVE-11684 (Kudos to [~jcamachorodriguez]), we can actually push limit
down through union all, which reduces the intermediate number of rows in union branches. 



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