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https://issues.apache.org/jira/browse/HIVE-4960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13724726#comment-13724726
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Hive QA commented on HIVE-4960:
-------------------------------
{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/12595045/HIVE-4960.D11895.1.patch
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 2748 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_script_broken_pipe1
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/250/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/250/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 failed with: TestsFailedException: 1 tests failed
{noformat}
This message is automatically generated.
> lastAlias in CommonJoinOperator is not used
> -------------------------------------------
>
> Key: HIVE-4960
> URL: https://issues.apache.org/jira/browse/HIVE-4960
> Project: Hive
> Issue Type: Improvement
> Reporter: Yin Huai
> Assignee: Yin Huai
> Priority: Minor
> Attachments: HIVE-4960.D11895.1.patch
>
>
> In CommonJoinOperator, there is object called lastAlias. The initial value of
> this object is 'null'. After tracing the usage of this object, I found that
> there is no place to change the value of this object. Also, it is only used
> in processOp in JoinOperator and MapJoinOperator as
> {code}
> if ((lastAlias == null) || (!lastAlias.equals(alias))) {
> nextSz = joinEmitInterval;
> }
> {\code}
> Since lastAlias will always be null, we will assign joinEmitInterval to
> nextSz every time we get a row. Later in processOp, we have
> {code}
> nextSz = getNextSize(nextSz);
> {\code}
> Because we reset the value of nextSz to joinEmitInterval every time we get a
> row, seems that getNextSize will not be used as expected.
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