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Date: Fri, 15 Jul 2011 21:27:00 +0000 (UTC)
From: "Charles Chen (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Commented] (HIVE-2268) CREATE.. TABLE.. LIKE should not
 inherit the original owner of the table.
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    [ https://issues.apache.org/jira/browse/HIVE-2268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13066220#comment-13066220 ] 

Charles Chen commented on HIVE-2268:
------------------------------------

This will be fixed in https://issues.apache.org/jira/browse/HIVE-1218

> CREATE.. TABLE.. LIKE should not inherit the original owner of the table.
> -------------------------------------------------------------------------
>
>                 Key: HIVE-2268
>                 URL: https://issues.apache.org/jira/browse/HIVE-2268
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore, Security
>    Affects Versions: 0.7.0, 0.7.1, 0.8.0
>            Reporter: Esteban Gutierrez
>            Assignee: Charles Chen
>              Labels: create, ddl, table
>         Attachments: hive-2268.1.patch
>
>
> When a new table is created by using CREATE.. TABLE.. LIKE.. the new table inherits the existing owner of the table, this is issue is potentially conflicting for multiuser environments where Hive authorization is planned for future use.
> -- alice creates table 
> CREATE EXTERNAL TABLE foo(bar double)
> ROW FORMAT DELIMITED FIELDS TERMINATED BY ',' LINES TERMINATED BY '\n'
> STORED AS TEXTFILE LOCATION '/user/alice/foo';
> -- table owner is alice as expected
> hive> DESCRIBE EXTENDED foo;
> OK
> bar     double  
>                  
> Detailed Table Information      Table(tableName:foo, dbName:default, {color:red} owner:alice {color}, createTime:1309996190, lastAccessTime:0, retention:0, sd:StorageDescriptor(cols:[FieldSchema(name:bar, type:double, comment:null)], location:hdfs://localhost/user/alice/foo, inputFormat:org.apache.hadoop.mapred.TextInputFormat, outputFormat:org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat, compressed:false, numBuckets:-1, serdeInfo:SerDeInfo(name:null, serializationLib:org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe, parameters:{serialization.format=,, field.delim=,, line.delim=       
> }), bucketCols:[], sortCols:[], parameters:{}), partitionKeys:[], parameters:{EXTERNAL=TRUE, transient_lastDdlTime=1309996190}, viewOriginalText:null, viewExpandedText:null, tableType:EXTERNAL_TABLE)      
> -- bob calls CREATE..TABLE..LIKE
> CREATE TABLE foo_like LIKE foo;
> -- bob created a new table using like but the owner stills alice
> -- but the expected is owner:bob
> hive>  DESCRIBE EXTENDED foo_like;
> OK
> bar     double  
>                  
> Detailed Table Information      Table(tableName:foo_like, dbName:default, {color:red} owner:alice {color}, createTime:1309996554, lastAccessTime:0, retention:0, sd:StorageDescriptor(cols:[FieldSchema(name:bar, type:double, comment:null)], location:hdfs://localhost/user/hive/warehouse/foo_like, inputFormat:org.apache.hadoop.mapred.TextInputFormat, outputFormat:org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat, compressed:false, numBuckets:-1, serdeInfo:SerDeInfo(name:null, serializationLib:org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe, parameters:{serialization.format=,, field.delim=,, line.delim=  
> }), bucketCols:[], sortCols:[], parameters:{}), partitionKeys:[], parameters:{transient_lastDdlTime=1309996554}, viewOriginalText:null, viewExpandedText:null, tableType:MANAGED_TABLE)

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