[
https://issues.apache.org/jira/browse/HIVE-16274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15941611#comment-15941611
]
Hive QA commented on HIVE-16274:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12860501/HIVE-16274.02.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 5 failed/errored test(s), 10512 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestBeeLineDriver.testCliDriver[escape_comments]
(batchId=231)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[comments] (batchId=35)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[tunable_ndv] (batchId=42)
org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.TestSQLStdHiveAccessControllerHS2.testConfigProcessing
(batchId=270)
org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.TestSQLStdHiveAccessControllerHS2.testConfigProcessingCustomSetWhitelistAppend
(batchId=270)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/4356/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/4356/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-4356/
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: 5 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12860501 - PreCommit-HIVE-Build
> Support tuning of NDV of columns using lower/upper bounds
> ---------------------------------------------------------
>
> Key: HIVE-16274
> URL: https://issues.apache.org/jira/browse/HIVE-16274
> Project: Hive
> Issue Type: Bug
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Attachments: HIVE-16274.01.patch, HIVE-16274.02.patch
>
>
> For partitioned tables, the distinct value (nDV) estimate for a column is by
> default set to the largest nDV value in any of the partitions being
> considered, which is a lower bound on the nDV estimate.
> This provides a config setting to allow the estimate to a specified fraction
> (0.0 - 1.0) of the higher bound on the nDV estimate (the sum of all the nDVs
> in all partitions).
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