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From "Bing Li (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HIVE-16950) Dropping hive database/table which was created explicitly in default database location, deletes all databases data from default database location
Date Tue, 04 Jul 2017 03:17:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HIVE-16950 started by Bing Li.
--------------------------------------
> Dropping hive database/table which was created explicitly in default database location,
deletes all databases data from default database location
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-16950
>                 URL: https://issues.apache.org/jira/browse/HIVE-16950
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 1.2.1
>            Reporter: Rahul Kalgunde
>            Assignee: Bing Li
>            Priority: Minor
>
> When database/table is created explicitly pointing to the default location, dropping
the database/table deletes all the data associated with the all databases/tables.
> Steps to replicate: 
> in below e.g. dropping table test_db2 also deletes data of test_db1 where as metastore
still contains test_db1
> hive> create database test_db1;
> OK
> Time taken: 4.858 seconds
> hive> describe database test_db1;
> OK
> test_db1                hdfs://sandbox.hortonworks.com:8020/apps/hive/warehouse/test_db1.db
    root    USER
> Time taken: 0.599 seconds, Fetched: 1 row(s)
> hive> create database test_db2 location '/apps/hive/warehouse' ;
> OK
> Time taken: 1.457 seconds
> hive> describe database test_db2;
> OK
> test_db2                hdfs://sandbox.hortonworks.com:8020/apps/hive/warehouse root
   USER
> Time taken: 0.582 seconds, Fetched: 1 row(s)
> hive> drop database test_db2;
> OK
> Time taken: 1.317 seconds
> hive> dfs -ls /apps/hive/warehouse;
> ls: `/apps/hive/warehouse': No such file or directory
> Command failed with exit code = 1
> Query returned non-zero code: 1, cause: null
> hive> describe database test_db1;
> OK
> test_db1                hdfs://sandbox.hortonworks.com:8020/apps/hive/warehouse/test_db1.db
    root    USER
> Time taken: 0.629 seconds, Fetched: 1 row(s)



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