Naveen Gangam created HIVE-12362:
------------------------------------
Summary: 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
{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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