[jira] [Commented] (HIVE-14027) NULL values produced by left outer join do not behave as NULL

["Hive QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-14027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358849#comment-15358849 ] 

Hive QA commented on HIVE-14027:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12815493/HIVE-14027.01.patch

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

{color:red}ERROR:{color} -1 due to 22 failed/errored test(s), 10288 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_list_bucket_dml_12
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_list_bucket_dml_13
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_stats_list_bucket
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_multiinsert
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_tez_union
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_vector_complex_all
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_vector_complex_join
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_auto_join29
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_auto_join30
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_auto_join_filters
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_auto_join_nulls
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_empty_join
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_union
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_groupby_mapjoin
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_join30
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_join_filters
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_join_nulls
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_nullsafe_join
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_outer_join0
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_outer_join1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_outer_join4
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_outer_join6
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/334/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/334/console
Test logs: http://ec2-50-18-27-0.us-west-1.compute.amazonaws.com/logs/PreCommit-HIVE-MASTER-Build-334/

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: 22 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12815493 - PreCommit-HIVE-MASTER-Build

> NULL values produced by left outer join do not behave as NULL
> -------------------------------------------------------------
>
>                 Key: HIVE-14027
>                 URL: https://issues.apache.org/jira/browse/HIVE-14027
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 1.2.1, 2.2.0
>            Reporter: Vaibhav Gumashta
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-14027.01.patch, HIVE-14027.patch
>
>
> Consider the following setup:
> {code}
> create table tbl (n bigint, t string); 
> insert into tbl values (1, 'one'); 
> insert into tbl values(2, 'two');
> select a.n, a.t, isnull(b.n), isnull(b.t) from (select * from tbl where n = 1) a  left outer join  (select * from tbl where 1 = 2) b on a.n = b.n;
> 1    one    false    true
> {code}
> The query should return true for isnull(b.n).
> I've tested by inserting a row with null value for the bigint column into tbl, and isnull returns true in that case. 



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