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https://issues.apache.org/jira/browse/HIVE-7506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14086678#comment-14086678
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Hive QA commented on HIVE-7506:
-------------------------------
{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/12659793/HIVE-7506.3.patch
{color:red}ERROR:{color} -1 due to 5 failed/errored test(s), 5864 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_join_hash
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_ql_rewrite_gbtoidx
org.apache.hadoop.hive.metastore.txn.TestCompactionTxnHandler.testRevokeTimedOutWorkers
org.apache.hadoop.hive.ql.TestDDLWithRemoteMetastoreSecondNamenode.testCreateTableWithIndexAndPartitionsNonDefaultNameNode
org.apache.hive.hcatalog.pig.TestHCatLoader.testReadDataPrimitiveTypes
{noformat}
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/177/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/177/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-177/
Messages:
{noformat}
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: 12659793
> MetadataUpdater: provide a mechanism to edit the statistics of a column in a
> table (or a partition of a table)
> --------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-7506
> URL: https://issues.apache.org/jira/browse/HIVE-7506
> Project: Hive
> Issue Type: New Feature
> Components: Database/Schema
> Reporter: pengcheng xiong
> Assignee: pengcheng xiong
> Priority: Minor
> Attachments: HIVE-7506.1.patch, HIVE-7506.1.patch, HIVE-7506.3.patch,
> HIVE-7506.patch
>
> Original Estimate: 252h
> Remaining Estimate: 252h
>
> Two motivations:
> (1) Cost-based Optimizer (CBO) depends heavily on the statistics of a column
> in a table (or a partition of a table). If we would like to test whether CBO
> chooses the best plan under different statistics, it would be time consuming
> if we load the whole table and create the statistics from ground up.
> (2) As database runs, the statistics of a column in a table (or a partition
> of a table) may change. We need a way or a mechanism to synchronize.
> We propose the following command to achieve that:
> ALTER TABLE table_name PARTITION partition_spec [COLUMN col_name] UPDATE
> STATISTICS col_statistics [COMMENT col_comment]
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