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https://issues.apache.org/jira/browse/HIVE-6144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13878613#comment-13878613
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Hive QA commented on HIVE-6144:
-------------------------------
{color:red}Overall{color}: -1 at least one tests failed
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12624256/HIVE-6144.6.patch.txt
{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 4944 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_bucket_num_reducers
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_infer_bucket_sort_dyn_part
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_deletejar
{noformat}
Test results:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/985/testReport
Console output:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/985/console
Messages:
{noformat}
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: 3 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12624256
> Implement non-staged MapJoin
> ----------------------------
>
> Key: HIVE-6144
> URL: https://issues.apache.org/jira/browse/HIVE-6144
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
> Attachments: HIVE-6144.1.patch.txt, HIVE-6144.2.patch.txt,
> HIVE-6144.3.patch.txt, HIVE-6144.4.patch.txt, HIVE-6144.5.patch.txt,
> HIVE-6144.6.patch.txt
>
>
> For map join, all data in small aliases are hashed and stored into temporary
> file in MapRedLocalTask. But for some aliases without filter or projection,
> it seemed not necessary to do that. For example.
> {noformat}
> select a.* from src a join src b on a.key=b.key;
> {noformat}
> makes plan like this.
> {noformat}
> STAGE PLANS:
> Stage: Stage-4
> Map Reduce Local Work
> Alias -> Map Local Tables:
> a
> Fetch Operator
> limit: -1
> Alias -> Map Local Operator Tree:
> a
> TableScan
> alias: a
> HashTable Sink Operator
> condition expressions:
> 0 {key} {value}
> 1
> handleSkewJoin: false
> keys:
> 0 [Column[key]]
> 1 [Column[key]]
> Position of Big Table: 1
> Stage: Stage-3
> Map Reduce
> Alias -> Map Operator Tree:
> b
> TableScan
> alias: b
> Map Join Operator
> condition map:
> Inner Join 0 to 1
> condition expressions:
> 0 {key} {value}
> 1
> handleSkewJoin: false
> keys:
> 0 [Column[key]]
> 1 [Column[key]]
> outputColumnNames: _col0, _col1
> Position of Big Table: 1
> Select Operator
> File Output Operator
> Local Work:
> Map Reduce Local Work
> Stage: Stage-0
> Fetch Operator
> {noformat}
> table src(a) is fetched and stored as-is in MRLocalTask. With this patch,
> plan can be like below.
> {noformat}
> Stage: Stage-3
> Map Reduce
> Alias -> Map Operator Tree:
> b
> TableScan
> alias: b
> Map Join Operator
> condition map:
> Inner Join 0 to 1
> condition expressions:
> 0 {key} {value}
> 1
> handleSkewJoin: false
> keys:
> 0 [Column[key]]
> 1 [Column[key]]
> outputColumnNames: _col0, _col1
> Position of Big Table: 1
> Select Operator
> File Output Operator
> Local Work:
> Map Reduce Local Work
> Alias -> Map Local Tables:
> a
> Fetch Operator
> limit: -1
> Alias -> Map Local Operator Tree:
> a
> TableScan
> alias: a
> Has Any Stage Alias: false
> Stage: Stage-0
> Fetch Operator
> {noformat}
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