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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17562) ACID 1.0 + ETL strategy should treat empty compacted files as uncovered deltas
Date Sat, 23 Sep 2017 02:55:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177447#comment-16177447
] 

Hive QA commented on HIVE-17562:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12888562/HIVE-17562-branch-2.patch

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

{color:red}ERROR:{color} -1 due to 10 failed/errored test(s), 10618 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[comments] (batchId=35)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[explaindenpendencydiffengs] (batchId=38)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[llap_smb] (batchId=142)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[orc_ppd_basic] (batchId=139)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[join_acid_non_acid] (batchId=158)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[union_fast_stats] (batchId=153)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[merge_negative_5] (batchId=88)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[explaindenpendencydiffengs] (batchId=115)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[vectorized_ptf] (batchId=125)
org.apache.hive.hcatalog.api.TestHCatClient.testTransportFailure (batchId=176)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/6951/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/6951/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-6951/

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: 10 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12888562 - PreCommit-HIVE-Build

> ACID 1.0 + ETL strategy should treat empty compacted files as uncovered deltas
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-17562
>                 URL: https://issues.apache.org/jira/browse/HIVE-17562
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 2.4.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-17562.1.branch-2.patch, HIVE-17562-branch-2.patch, HIVE-17562-branch-2.patch
>
>
> In branch-2, with ACID 1.0, following sequence will result in incorrect results
> 1) Set split strategy to ETL
> 2) Insert some rows
> 3) Delete all rows
> 4) Alter table compact MAJOR
> 5) Insert some rows
> 6) Select * query will not return any rows that is written at last (step 5)
> The reason for that, compaction essentially voids the first insert in step 2. Now when
ETL split strategy is chosen, there will not be any stripes in the base files. So no split
gets generated and any subsequent deltas gets ignored.



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