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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20187) Incorrect query results in hive when hive.convert.join.bucket.mapjoin.tez is set to true
Date Fri, 24 Aug 2018 14:07:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16591703#comment-16591703
] 

Hive QA commented on HIVE-20187:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12931831/extended_explain.txt

{color:red}ERROR:{color} -1 due to build exiting with an error

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/13443/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/13443/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-13443/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Tests exited with: NonZeroExitCodeException
Command 'bash /data/hiveptest/working/scratch/source-prep.sh' failed with exit status 1 and
output '+ date '+%Y-%m-%d %T.%3N'
2018-08-24 14:05:24.608
+ [[ -n /usr/lib/jvm/java-8-openjdk-amd64 ]]
+ export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ export PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin/:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
+ PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin/:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
+ export 'ANT_OPTS=-Xmx1g -XX:MaxPermSize=256m '
+ ANT_OPTS='-Xmx1g -XX:MaxPermSize=256m '
+ export 'MAVEN_OPTS=-Xmx1g '
+ MAVEN_OPTS='-Xmx1g '
+ cd /data/hiveptest/working/
+ tee /data/hiveptest/logs/PreCommit-HIVE-Build-13443/source-prep.txt
+ [[ false == \t\r\u\e ]]
+ mkdir -p maven ivy
+ [[ git = \s\v\n ]]
+ [[ git = \g\i\t ]]
+ [[ -z master ]]
+ [[ -d apache-github-source-source ]]
+ [[ ! -d apache-github-source-source/.git ]]
+ [[ ! -d apache-github-source-source ]]
+ date '+%Y-%m-%d %T.%3N'
2018-08-24 14:05:24.611
+ cd apache-github-source-source
+ git fetch origin
+ git reset --hard HEAD
HEAD is now at 6a28265 HIVE-20450: Add replication test for LOAD command on ACID table (Sankar
Hariappan, reviewed by Anishek Agarwal)
+ git clean -f -d
Removing standalone-metastore/metastore-server/src/gen/
+ git checkout master
Already on 'master'
Your branch is up-to-date with 'origin/master'.
+ git reset --hard origin/master
HEAD is now at 6a28265 HIVE-20450: Add replication test for LOAD command on ACID table (Sankar
Hariappan, reviewed by Anishek Agarwal)
+ git merge --ff-only origin/master
Already up-to-date.
+ date '+%Y-%m-%d %T.%3N'
2018-08-24 14:05:25.748
+ rm -rf ../yetus_PreCommit-HIVE-Build-13443
+ mkdir ../yetus_PreCommit-HIVE-Build-13443
+ git gc
+ cp -R . ../yetus_PreCommit-HIVE-Build-13443
+ mkdir /data/hiveptest/logs/PreCommit-HIVE-Build-13443/yetus
+ patchCommandPath=/data/hiveptest/working/scratch/smart-apply-patch.sh
+ patchFilePath=/data/hiveptest/working/scratch/build.patch
+ [[ -f /data/hiveptest/working/scratch/build.patch ]]
+ chmod +x /data/hiveptest/working/scratch/smart-apply-patch.sh
+ /data/hiveptest/working/scratch/smart-apply-patch.sh /data/hiveptest/working/scratch/build.patch
fatal: unrecognized input
fatal: unrecognized input
fatal: unrecognized input
The patch does not appear to apply with p0, p1, or p2
+ result=1
+ '[' 1 -ne 0 ']'
+ rm -rf yetus_PreCommit-HIVE-Build-13443
+ exit 1
'
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12931831 - PreCommit-HIVE-Build

> Incorrect query results in hive when hive.convert.join.bucket.mapjoin.tez is set to true
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-20187
>                 URL: https://issues.apache.org/jira/browse/HIVE-20187
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 3.1.0
>         Environment: Hive 3.0 and Tez 0.91
>            Reporter: Karthik
>            Assignee: Deepak Jaiswal
>            Priority: Blocker
>         Attachments: extended_explain.txt
>
>
> When hive.convert.join.bucket.mapjoin.tez=true and bucketed column is in select clause
but not in where clause, hive is performing a bucket map join and returning incorrect results.
When the bucketed column is removed from select clause or  hive.convert.join.bucket.mapjoin.tez=false, returned query
results are correct.
>  
> create table my_fact(AMT decimal(20,3),bucket_col string ,join_col string )
> PARTITIONED BY (FISCAL_YEAR string ,ACCOUNTING_PERIOD string )
>  CLUSTERED BY (bucket_col) INTO 10 
>  BUCKETS 
>  stored as ORC
>  ;
>  create table my_dim(join_col string,filter_col string) stored as orc;
> After populating and analyzing above tables, explain  plan looks as below when  hive.convert.join.bucket.mapjoin.tez=TRUE:
>  
> explain  select T4.join_col as account1,my_fact.accounting_period
>  FROM my_fact JOIN my_dim T4 ON my_fact.join_col = T4.join_col
>  WHERE my_fact.fiscal_year = '2015'
>  AND T4.filter_col IN ( 'VAL1', 'VAL2' ) 
>  and my_fact.accounting_period in (10);
> Vertex dependency in root stage
>  Map 1 <- Map 2 (CUSTOM_EDGE)
> Stage-0
>  Fetch Operator
>  limit:-1
>  Stage-1
>  Map 1 vectorized, llap
>  File Output Operator [FS_24]
>  Select Operator [SEL_23] (rows=15282589 width=291)
>  Output:["_col0","_col1","_col2"]
>  Map Join Operator [MAPJOIN_22] (rows=15282589 width=291)
> *BucketMapJoin*:true,Conds:SEL_21._col1=RS_19._col0(Inner),Output:["_col0","_col3","_col4"]
> <-Map 2 [CUSTOM_EDGE] vectorized, llap
>  MULTICAST [RS_19]
>  PartitionCols:_col0
>  Select Operator [SEL_18] (rows=818 width=186)
>  Output:["_col0"]
>  Filter Operator [FIL_17] (rows=818 width=186)
>  predicate:((filter_col) IN ('VAL1', 'VAL2') and join_col is not null)
>  TableScan [TS_3] (rows=1635 width=186)
>  default@my_dim,t4,Tbl:COMPLETE,Col:NONE,Output:["join_col","filter_col"]
>  <-Select Operator [SEL_21] (rows=13893263 width=291)
>  Output:["_col0","_col1","_col3"]
>  Filter Operator [FIL_20] (rows=13893263 width=291)
>  predicate:join_col is not null
>  TableScan [TS_0] (rows=13893263 width=291)
>  default@my_fact,my_fact,Tbl:COMPLETE,Col:NONE,Output:["bucket_col","join_col"]
> [^extended_explain.txt] has more detailed plan.
> When  hive.convert.join.bucket.mapjoin.tez=false,  plan no longer has bucketjoin
and query results are correct.
> Vertex dependency in root stage
>  Map 1 <- Map 2 (BROADCAST_EDGE)
> Stage-0
>  Fetch Operator
>  limit:-1
>  Stage-1
>  Map 1 vectorized, llap
>  File Output Operator [FS_24]
>  Select Operator [SEL_23] (rows=15282589 width=291)
>  Output:["_col0","_col1","_col2"]
>  Map Join Operator [MAPJOIN_22] (rows=15282589 width=291)
>  Conds:SEL_21._col1=RS_19._col0(Inner),Output:["_col0","_col3","_col4"]
>  <-Map 2 [BROADCAST_EDGE] vectorized, llap
>  BROADCAST [RS_19]
>  PartitionCols:_col0
>  Select Operator [SEL_18] (rows=818 width=186)
>  Output:["_col0"]
>  Filter Operator [FIL_17] (rows=818 width=186)
>  predicate:((filter_col) IN ('VAL1', 'VAL2') and join_col is not null)
>  TableScan [TS_3] (rows=1635 width=186)
>  default@my_dim,t4,Tbl:COMPLETE,Col:NONE,Output:["join_col","filter_col"]
>  <-Select Operator [SEL_21] (rows=13893263 width=291)
>  Output:["_col0","_col1","_col3"]
>  Filter Operator [FIL_20] (rows=13893263 width=291)
>  predicate:join_col is not null
>  TableScan [TS_0] (rows=13893263 width=291)
>  default@my_fact,my_fact,Tbl:COMPLETE,Col:NONE,Output:
>  
> Per suggestion in bug# TEZ-3971, creating this case under Hive project.
>  
>  



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