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https://issues.apache.org/jira/browse/HIVE-12362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14996531#comment-14996531
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Naveen Gangam commented on HIVE-12362:
--------------------------------------
The test failures are unrelated to the attached patch.
> Hive's Parquet SerDe ignores 'serialization.null.format' property
> -----------------------------------------------------------------
>
> Key: HIVE-12362
> URL: https://issues.apache.org/jira/browse/HIVE-12362
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 1.1.0
> Reporter: Naveen Gangam
> Assignee: Naveen Gangam
> Attachments: HIVE-12362.patch
>
>
> {code}
> create table src (a string);
> insert into table src values (NULL), (''), ('');
> 0: jdbc:hive2://localhost:10000/default> select * from src;
> +-----------+--+
> | src.a |
> +-----------+--+
> | NULL |
> | |
> | |
> +-----------+--+
> create table dest (a string) row format serde
> 'org.apache.hadoop.hive.ql.io.parquet.serde.ParquetHiveSerDe' stored as
> INPUTFORMAT 'org.apache.hadoop.hive.ql.io.parquet.MapredParquetInputFormat'
> OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.parquet.MapredParquetOutputFormat';
> alter table dest set SERDEPROPERTIES ('serialization.null.format' = '');
> alter table dest set TBLPROPERTIES ('serialization.null.format' = '');
> insert overwrite table dest select * from src;
> 0: jdbc:hive2://localhost:10000/default> select * from test11;
> +-----------+--+
> | test11.a |
> +-----------+--+
> | NULL |
> | |
> | |
> +-----------+--+
> {code}
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