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From "Chaoyu Tang (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-6335) Dropping table after column stats are collected fails
Date Thu, 20 Nov 2014 18:51:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chaoyu Tang reassigned HIVE-6335:
---------------------------------

    Assignee: Chaoyu Tang

> Dropping table after column stats are collected fails
> -----------------------------------------------------
>
>                 Key: HIVE-6335
>                 URL: https://issues.apache.org/jira/browse/HIVE-6335
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>            Reporter: Harish Butani
>            Assignee: Chaoyu Tang
>
> This is my test:
> {noformat}
> set hive.stats.dbclass=jdbc:derby;
> create table A(
>   x INT,
>   y INT
> )
> ROW FORMAT DELIMITED FIELDS TERMINATED BY ',';
> load data local inpath '/Users/hbutani/Dropbox/Hive-Dev/CBO/testData/test1/A.csv' 
> overwrite into table A;
> analyze table A compute statistics;
> analyze table A compute statistics for columns x,y;
> drop table A;
> {noformat}
> The final drop gives:
> {noformat}
> FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:javax.jdo.JDODataStoreException:
Exception thrown flushing changes to datastore
> 	at org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:451)
> .......
> NestedThrowablesStackTrace:
> java.sql.BatchUpdateException: DELETE on table 'TBLS' caused a violation of foreign key
constraint 'TAB_COL_STATS_FK1' for key (2).  The statement has been rolled back.
> .....
> {noformat}
> Running in local mode with 'set hive.stats.dbclass=jdbc:derby'. If this happens only
in this mode, then it is a minor inconvenience.



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