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https://issues.apache.org/jira/browse/HIVE-6335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chaoyu Tang resolved HIVE-6335.
-------------------------------
Resolution: Duplicate
> 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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