[ https://issues.apache.org/jira/browse/HIVE-4927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13720295#comment-13720295 ]
Hive QA commented on HIVE-4927: ------------------------------- {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/12594200/HIVE-4927.D11811.3.patch {color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 2651 tests executed *Failed tests:* {noformat} org.apache.hcatalog.pig.TestHCatLoader.testProjectionsBasic org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_bucketmapjoin6 {noformat} Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/187/testReport Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/187/console Messages: {noformat} Executing org.apache.hive.ptest.execution.CleanupPhase Executing org.apache.hive.ptest.execution.PrepPhase Executing org.apache.hive.ptest.execution.ExecutionPhase Executing org.apache.hive.ptest.execution.ReportingPhase Tests failed with: TestsFailedException: 2 tests failed {noformat} This message is automatically generated. > When we merge two MapJoin MapRedTasks, the TableScanOperator of the second > one should be removed > ------------------------------------------------------------------------------------------------ > > Key: HIVE-4927 > URL: https://issues.apache.org/jira/browse/HIVE-4927 > Project: Hive > Issue Type: Bug > Components: Query Processor > Affects Versions: 0.12.0 > Reporter: Yin Huai > Assignee: Yin Huai > Attachments: HIVE-4927.D11811.1.patch, HIVE-4927.D11811.2.patch, > HIVE-4927.D11811.3.patch > > > {code} > set hive.auto.convert.join=true; > set hive.auto.convert.join.noconditionaltask=true; > EXPLAIN > SELECT x1.key AS key FROM src x1 JOIN src1 y1 ON (x1.key = y1.key) JOIN src1 > y2 ON (x1.value = y2.value) GROUP BY x1.key; > {\code} > We will get a NPE from MetadataOnlyOptimizer. The reason is that the operator > tree of the MapRedTask evaluating two MapJoins is > {code} > TS1->MapJoin1->TS2->MapJoin2->... > {\code} > We should remove the TS2... -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira