Lenni Kuff created HIVE-12182:
---------------------------------
Summary: ALTER TABLE PARTITION COLUMN does not set partition
column comments
Key: HIVE-12182
URL: https://issues.apache.org/jira/browse/HIVE-12182
Project: Hive
Issue Type: Bug
Components: SQL
Affects Versions: 1.2.1
Reporter: Lenni Kuff
ALTER TABLE PARTITION COLUMN does not set partition column comments. The syntax
is accepted, but the COMMENT for the column is ignored.
{code}
0: jdbc:hive2://localhost:10000/default> create table part_test(i int comment
'HELLO') partitioned by (j int comment 'WORLD');
No rows affected (0.104 seconds)
0: jdbc:hive2://localhost:10000/default> describe part_test;
+--------------------------+-----------------------+-----------------------+--+
| col_name | data_type | comment |
+--------------------------+-----------------------+-----------------------+--+
| i | int | HELLO |
| j | int | WORLD |
| | NULL | NULL |
| # Partition Information | NULL | NULL |
| # col_name | data_type | comment |
| | NULL | NULL |
| j | int | WORLD |
+--------------------------+-----------------------+-----------------------+--+
7 rows selected (0.109 seconds)
0: jdbc:hive2://localhost:10000/default> alter table part_test partition column
(j int comment 'WIDE');
No rows affected (0.121 seconds)
0: jdbc:hive2://localhost:10000/default> describe part_test;
+--------------------------+-----------------------+-----------------------+--+
| col_name | data_type | comment |
+--------------------------+-----------------------+-----------------------+--+
| i | int | HELLO |
| j | int | |
| | NULL | NULL |
| # Partition Information | NULL | NULL |
| # col_name | data_type | comment |
| | NULL | NULL |
| j | int | |
+--------------------------+-----------------------+-----------------------+--+
7 rows selected (0.108 seconds)
{code}
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