[
https://issues.apache.org/jira/browse/HIVE-15397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15734067#comment-15734067
]
Hive QA commented on HIVE-15397:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12842449/HIVE-15397.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 16 failed/errored test(s), 10773 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[limit_partition_metadataonly]
(batchId=57)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[partInit] (batchId=73)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[partition_date2]
(batchId=16)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[partition_timestamp2]
(batchId=29)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample2] (batchId=5)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample4] (batchId=15)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample6] (batchId=61)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample7] (batchId=60)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample9] (batchId=38)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[transform_ppr2]
(batchId=134)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[metadataonly1]
(batchId=149)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[stats_based_fetch_decision]
(batchId=150)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver
(batchId=159)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2]
(batchId=92)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_4]
(batchId=92)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[limit_partition_metadataonly]
(batchId=119)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2507/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2507/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2507/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 16 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12842449 - PreCommit-HIVE-Build
> metadata-only queries may return incorrect results with empty tables
> --------------------------------------------------------------------
>
> Key: HIVE-15397
> URL: https://issues.apache.org/jira/browse/HIVE-15397
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-15397.patch
>
>
> Queries like select 1=1 from t group by 1=1 may return rows, based on
> OneNullRowInputFormat, even if the source table is empty. For now, add some
> basic detection of empty tables and turn this off by default (since we can't
> know whether a table is empty or not based on there being some files, without
> reading them).
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