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https://issues.apache.org/jira/browse/HIVE-21230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16801413#comment-16801413
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Hive QA commented on HIVE-21230:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12963676/HIVE-21230.1.patch
{color:red}ERROR:{color} -1 due to build exiting with an error
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/16681/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/16681/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-16681/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Tests exited with: Exception: Patch URL
https://issues.apache.org/jira/secure/attachment/12963676/HIVE-21230.1.patch
was found in seen patch url's cache and a test was probably run already on it.
Aborting...
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12963676 - PreCommit-HIVE-Build
> LEFT OUTER JOIN does not generate transitive IS NOT NULL filter on right side
> (HiveJoinAddNotNullRule bails out for outer joins)
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-21230
> URL: https://issues.apache.org/jira/browse/HIVE-21230
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Vineet Garg
> Priority: Major
> Labels: newbie
> Attachments: HIVE-21230.1.patch
>
>
> For instance, given the following query:
> {code:sql}
> SELECT t0.col0, t0.col1
> FROM
> (
> SELECT col0, col1 FROM tab
> ) AS t0
> LEFT JOIN
> (
> SELECT col0, col1 FROM tab
> ) AS t1
> ON t0.col0 = t1.col0 AND t0.col1 = t1.col1
> {code}
> we could still infer that col0 and col1 cannot be null in the right input and
> introduce the corresponding filter predicate. Currently, the rule just bails
> out if it is not an inner join.
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveJoinAddNotNullRule.java#L79
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