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https://issues.apache.org/jira/browse/HIVE-6329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13899998#comment-13899998
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Navis commented on HIVE-6329:
-----------------------------
I've mistakenly replied to dev-mail. Writing here again.
Yes, the patch removed ByteArrayRef from LazyObjectBase, which seemed just
useless overhead. Can we just remove it? I think the impact is restricted to
inside of hive.
> Support column level encryption/decryption
> ------------------------------------------
>
> Key: HIVE-6329
> URL: https://issues.apache.org/jira/browse/HIVE-6329
> Project: Hive
> Issue Type: New Feature
> Components: Security, Serializers/Deserializers
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
> Attachments: HIVE-6329.1.patch.txt, HIVE-6329.2.patch.txt,
> HIVE-6329.3.patch.txt, HIVE-6329.4.patch.txt, HIVE-6329.5.patch.txt
>
>
> Receiving some requirements on encryption recently but hive is not supporting
> it. Before the full implementation via HIVE-5207, this might be useful for
> some cases.
> {noformat}
> hive> create table encode_test(id int, name STRING, phone STRING, address
> STRING)
> > ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
> > WITH SERDEPROPERTIES ('column.encode.indices'='2,3',
> 'column.encode.classname'='org.apache.hadoop.hive.serde2.Base64WriteOnly')
> STORED AS TEXTFILE;
> OK
> Time taken: 0.584 seconds
> hive> insert into table encode_test select
> 100,'navis','010-0000-0000','Seoul, Seocho' from src tablesample (1 rows);
> ......
> OK
> Time taken: 5.121 seconds
> hive> select * from encode_test;
> OK
> 100 navis MDEwLTAwMDAtMDAwMA== U2VvdWwsIFNlb2Nobw==
> Time taken: 0.078 seconds, Fetched: 1 row(s)
> hive>
> {noformat}
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