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https://issues.apache.org/jira/browse/SPARK-30201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17208268#comment-17208268
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Dongjoon Hyun commented on SPARK-30201:
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Hi, [~ulysses] and [~cloud_fan]. Is this only critical on 3.0.0?
> HiveOutputWriter standardOI should use ObjectInspectorCopyOption.DEFAULT
> ------------------------------------------------------------------------
>
> Key: SPARK-30201
> URL: https://issues.apache.org/jira/browse/SPARK-30201
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: ulysses you
> Assignee: ulysses you
> Priority: Critical
> Fix For: 3.0.0
>
>
> Now spark use `ObjectInspectorCopyOption.JAVA` as oi option which will
> convert any string to UTF-8 string. When write non UTF-8 code data, then
> `EFBFBD` will appear.
> We should use `ObjectInspectorCopyOption.DEFAULT` to support pass the bytes.
> Here is the way to reproduce:
> 1. make a file contains 16 radix 'AABBCC' which is not the UTF-8 code.
> 2. create table test1 (c string) location '$file_path';
> 3. select hex(c) from test1; // AABBCC
> 4. craete table test2 (c string) as select c from test1;
> 5. select hex(c) from test2; // EFBFBDEFBFBDEFBFBD
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