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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4561) Column stats : LOW_VALUE (or HIGH_VALUE) will always be 0.0000 ,if all the column values larger than 0.0 (or if all column values smaller than 0.0)
Date Thu, 22 May 2014 03:18:38 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14005569#comment-14005569
] 

Hive QA commented on HIVE-4561:
-------------------------------



{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/12645973/HIVE-4561.4.patch.txt

{color:red}ERROR:{color} -1 due to 13 failed/errored test(s), 5451 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_annotate_stats_groupby
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_annotate_stats_table
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_metadata_only_queries
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_root_dir_external_table
org.apache.hadoop.hive.conf.TestHiveConf.testConfProperties
org.apache.hive.hcatalog.pig.TestOrcHCatPigStorer.testWriteDecimal
org.apache.hive.hcatalog.pig.TestOrcHCatPigStorer.testWriteDecimalX
org.apache.hive.hcatalog.pig.TestOrcHCatPigStorer.testWriteDecimalXY
org.apache.hive.hcatalog.templeton.TestWebHCatE2e.getHadoopVersion
org.apache.hive.hcatalog.templeton.TestWebHCatE2e.getHiveVersion
org.apache.hive.hcatalog.templeton.TestWebHCatE2e.getPigVersion
org.apache.hive.hcatalog.templeton.TestWebHCatE2e.getStatus
org.apache.hive.hcatalog.templeton.TestWebHCatE2e.invalidPath
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-Build/259/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-Build/259/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-Build-259/

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: 13 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12645973

> Column stats :  LOW_VALUE (or HIGH_VALUE) will always be 0.0000 ,if all the column values
larger than 0.0 (or if all column values smaller than 0.0)
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-4561
>                 URL: https://issues.apache.org/jira/browse/HIVE-4561
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>    Affects Versions: 0.12.0
>            Reporter: caofangkun
>            Assignee: caofangkun
>         Attachments: HIVE-4561.1.patch, HIVE-4561.2.patch, HIVE-4561.3.patch, HIVE-4561.4.patch.txt
>
>
> if all column values larger than 0.0  DOUBLE_LOW_VALUE always will be 0.0 
> or  if all column values less than 0.0,  DOUBLE_HIGH_VALUE will always be 
> hive (default)> create table src_test (price double);
> hive (default)> load data local inpath './test.txt' into table src_test;
> hive (default)> select * from src_test;
> OK
> 1.0
> 2.0
> 3.0
> Time taken: 0.313 seconds, Fetched: 3 row(s)
> hive (default)> analyze table src_test compute statistics for columns price;
> mysql> select * from TAB_COL_STATS \G;
>                  CS_ID: 16
>                DB_NAME: default
>             TABLE_NAME: src_test
>            COLUMN_NAME: price
>            COLUMN_TYPE: double
>                 TBL_ID: 2586
>         LONG_LOW_VALUE: 0
>        LONG_HIGH_VALUE: 0
>       DOUBLE_LOW_VALUE: 0.0000   # Wrong Result ! Expected is 1.0000
>      DOUBLE_HIGH_VALUE: 3.0000
>  BIG_DECIMAL_LOW_VALUE: NULL
> BIG_DECIMAL_HIGH_VALUE: NULL
>              NUM_NULLS: 0
>          NUM_DISTINCTS: 1
>            AVG_COL_LEN: 0.0000
>            MAX_COL_LEN: 0
>              NUM_TRUES: 0
>             NUM_FALSES: 0
>          LAST_ANALYZED: 1368596151
> 2 rows in set (0.00 sec)



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