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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-11129) Issue a warning when copied from UTF-8 to ISO 8859-1
Date Wed, 01 Jul 2015 19:30:05 GMT

     [ https://issues.apache.org/jira/browse/HIVE-11129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aihua Xu updated HIVE-11129:
----------------------------
    Attachment: HIVE-11129.patch

> Issue a warning when copied from UTF-8 to ISO 8859-1
> ----------------------------------------------------
>
>                 Key: HIVE-11129
>                 URL: https://issues.apache.org/jira/browse/HIVE-11129
>             Project: Hive
>          Issue Type: Bug
>          Components: File Formats
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>         Attachments: HIVE-11129.patch
>
>
> Copying data from a table using UTF-8 encoding to one using ISO 8859-1 encoding causes
data corruption without warning.
> {noformat}
> CREATE TABLE person_utf8 (name STRING)
> ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' 
> WITH SERDEPROPERTIES ('serialization.encoding'='UTF8');
> {noformat}
> Put the following data in the table:
> Müller,Thomas
> Jørgensen,Jørgen
> Vega,Andrés
> 中村,浩人
> אביה,נועם
> {noformat}
> CREATE TABLE person_2 ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'

> WITH SERDEPROPERTIES ('serialization.encoding'='ISO8859_1')
> AS select * from person_utf8;
> {noformat}
> expected to get mangled data but we should give a warning. 



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