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https://issues.apache.org/jira/browse/HIVE-16505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16499275#comment-16499275
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Hive QA commented on HIVE-16505:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12925899/HIVE-16505.02.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 14444 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[input31] (batchId=63)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/11457/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/11457/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-11457/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 1 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12925899 - PreCommit-HIVE-Build
> Support "unknown" boolean truth value
> -------------------------------------
>
> Key: HIVE-16505
> URL: https://issues.apache.org/jira/browse/HIVE-16505
> Project: Hive
> Issue Type: Sub-task
> Components: SQL
> Reporter: Zoltan Haindrich
> Assignee: Laszlo Bodor
> Priority: Major
> Attachments: HIVE-16505.01.patch, HIVE-16505.02.patch
>
>
> according to the standard, boolean truth value might be:
> {{TRUE|FALSE|UNKNOWN}}.
> similar queries to the following should be supported:
> {code:java}
> select 1 where null is unknown;
> select 1 where (select cast(null as boolean) ) is unknown;
> {code}
> "unknown" behaves similarily to null. {{(null=null) is null}}
>
> "All boolean values and SQL truth values are comparable and all are
> assignable to a site of type boolean. The value True is greater than the
> value False, and any comparison involving the null value or an Unknown truth
> value will return an Unknown result. The values True and False may be
> assigned to any site having a boolean data type; assignment of Unknown, or
> the null value, is subject to the nullability characteristic of the target."
>
> *Truth table for the AND boolean operator*
> AND True False Unknown
> True True False Unknown
> False False False False
> Unknown Unknown False Unknown
> *Truth table for the OR boolean operator*
> OR True False Unknown
> True True True True
> False True False Unknown
> Unknown True Unknown Unknown
> *Truth table for the IS boolean operator*
> IS TRUE FALSE UNKNOWN
> True True False False
> False False True False
> Unknown False False True
>
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