[
https://issues.apache.org/jira/browse/TAJO-1345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14614648#comment-14614648
]
ASF GitHub Bot commented on TAJO-1345:
--------------------------------------
Github user jihoonson commented on the pull request:
https://github.com/apache/tajo/pull/618#issuecomment-118757240
@blrunner thanks for your nice work. I totally agree on that we follow
Hive's partition policy.
However, I found the invalid partition key generation error as follows.
```
default> create table partitioned_nation (n_name text, n_comment text)
partition by column (n_nationkey int8, n_regionkey int8) as select * from
nation;
default> \d partitioned_nation
table name: default.partitioned_nation
table uri: hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation
store type: CSV
number of rows: 25
volume: 267 B
Options:
'text.delimiter'='|'
schema:
n_name TEXT
n_comment TEXT
Partitions:
type:COLUMN
columns::n_nationkey (INT8), n_regionkey (INT8)
default> \dfs -ls
hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation/n_nationkey=0
Found 5 items
drwxr-xr-x - jihoonson supergroup 0 2015-07-06 16:29
hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation/n_nationkey=0/n_regionkey=
haggle. carefully final deposits detect slyly agai
drwxr-xr-x - jihoonson supergroup 0 2015-07-06 16:29
hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation/n_nationkey=0/n_regionkey=
pending excuses haggle furiously deposits. pending, express pinto beans wake
fluffily past t
drwxr-xr-x - jihoonson supergroup 0 2015-07-06 16:29
hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation/n_nationkey=0/n_regionkey=rns.
blithely bold courts among the closely regular packages use furiously bold
platelets%3F
drwxr-xr-x - jihoonson supergroup 0 2015-07-06 16:29
hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation/n_nationkey=0/n_regionkey=s.
ironic, unusual asymptotes wake blithely r
drwxr-xr-x - jihoonson supergroup 0 2015-07-06 16:29
hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation/n_nationkey=0/n_regionkey=ven
packages wake quickly. regu
```
As you can see, the actual values of the partition key ```n_regionkey```
are those of ```n_comment``` column.
> Implement logical plan part and DDL executor for alter partition.
> -----------------------------------------------------------------
>
> Key: TAJO-1345
> URL: https://issues.apache.org/jira/browse/TAJO-1345
> Project: Tajo
> Issue Type: Sub-task
> Components: planner/optimizer
> Reporter: Jaehwa Jung
> Assignee: Jaehwa Jung
> Fix For: 0.11.0
>
> Attachments: TAJO-1345.patch
>
>
> See the title. The main objective of this issue is to implement the logical
> planning part and the DDL executor part for alter table partition support.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
