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From "Pierre Lacave (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-2809) Alter table doesn't take into account current table definition
Date Thu, 07 Apr 2016 11:30:26 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-2809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15230111#comment-15230111
] 

Pierre Lacave commented on PHOENIX-2809:
----------------------------------------

Actually the rogue column can be dropped by specifying the default CF 

{noformat}
0: jdbc:phoenix:localhost> ALTER TABLE TEST_DUP DROP COLUMN IF EXISTS "0".DUMMY;
No rows affected (0.238 seconds)
0: jdbc:phoenix:localhost> !outputformat csv
0: jdbc:phoenix:localhost> !describe TEST_DUP
'TABLE_CAT','TABLE_SCHEM','TABLE_NAME','COLUMN_NAME','DATA_TYPE','TYPE_NAME','COLUMN_SIZE','BUFFER_LENGTH','DECIMAL_DIGITS','NUM_PREC_RADIX','NULLABLE','REMARKS','COLUMN_DEF','SQL_DATA_TYPE','SQL_DATETIME_SUB','CHAR_OCTET_LENGTH','ORDINAL_POSITION','IS_NULLABLE','SCOPE_CATALOG','SCOPE_SCHEMA','SCOPE_TABLE','SOURCE_DATA_TYPE','IS_AUTOINCREMENT','ARRAY_SIZE','COLUMN_FAMILY','TYPE_ID','VIEW_CONSTANT','MULTI_TENANT','KEY_SEQ'
'','','TEST_DUP','DUMMY','12','VARCHAR','null','null','null','null','0','','','null','null','null','1','false','','','','null','','null','','12','','','1'
{noformat}

> Alter table doesn't take into account current table definition
> --------------------------------------------------------------
>
>                 Key: PHOENIX-2809
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2809
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Biju Nair
>
> {{Alter table}} to add a new column with the column definition as an existing column
in the table succeeds while the expectation will be that the alter will fail. Following is
an example.
> {noformat}
> 0: jdbc:phoenix:localhost:2181:/hbase> create table test_alter (TI tinyint not null
primary key);
> No rows affected (1.299 seconds)
> 0: jdbc:phoenix:localhost:2181:/hbase> alter table test_alter add if not exists TI
tinyint, col1 varchar;
> No rows affected (15.962 seconds)
> 0: jdbc:phoenix:localhost:2181:/hbase> upsert into test_alter values (1,2,'add');
> 1 row affected (0.008 seconds)
> 0: jdbc:phoenix:localhost:2181:/hbase> select * from test_alter;
> +-----+-----+-------+
> | TI  | TI  | COL1  |
> +-----+-----+-------+
> | 1   | 1   | add   |
> +-----+-----+-------+
> {noformat}



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