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From "vaibhav (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20288) DROP TABLE throws any error/warning while an attempt is made to drop a table which does not exist .
Date Wed, 01 Aug 2018 11:44:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16565179#comment-16565179
] 

vaibhav commented on HIVE-20288:
--------------------------------

0: jdbc:hive2://v-u-2:10000> drop table xyz;
No rows affected (0.491 seconds)

 

HiveServer2.logs :

2018-08-01 11:37:19,265 ERROR [HiveServer2-Background-Pool: Thread-61028]: metadata.Hive (Hive.java:getTable(1215))
- Table xyz not found: temp.xyz table not found
2018-08-01 11:37:19,266 INFO [HiveServer2-Background-Pool: Thread-61028]: metastore.HiveMetaStore
(HiveMetaStore.java:logInfo(860)) - 14: get_table : db=temp tbl=xyz

> DROP TABLE throws any error/warning while an attempt is made to drop a table which does
not exist .
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-20288
>                 URL: https://issues.apache.org/jira/browse/HIVE-20288
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.2.1, 2.1.1
>            Reporter: vaibhav
>            Priority: Major
>
> When I do DROP TABLE ( for a table which really does not exist in the database) in hive
.It really don't throw any warning/error and just show OK (the same message as the table is
present and was dropped ).
> =========
> hive> show tables;
>  OK
>  Time taken: 0.921 seconds
>  hive>
>  > drop table tabledoesnotexist;
>  OK
>  Time taken: 0.355 seconds
> ========
> hive> show tables;
> OK
> Time taken: 2.096 seconds
> hive> drop table if exists tabledoesnotexist;
> OK
> Time taken: 0.145 seconds
>  ========
>  hive> create table test(id int);
>  OK
>  Time taken: 1.258 seconds
>  hive> drop table test;
>  OK
>  Time taken: 0.561 seconds
>  
>  
> In general, the database should return an Error if the table is not present.
> Eg : MySQL:
> mysql> drop table test;
>  [Code: 1051, SQL State: 42S02]  Unknown table 'test'
>  
>  
>  
>  



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