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From "Bryan Pendleton (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-1489) Provide ALTER TABLE DROP COLUMN functionality
Date Sun, 10 Sep 2006 20:11:23 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1489?page=all ]

Bryan Pendleton updated DERBY-1489:
-----------------------------------

    Attachment: drop_column_v5_grant_tests.diff

drop_column_v5_grant_tests.diff is an updated patch proposal
which resolves the conflicts from DERBY-1491, but is otherwise
unchanged from the v4 version of the patch proposal. It can be
applied cleanly to the head of trunk and demonstrates the
unsatisfactory interactions with GRANTed column permissions.

> Provide ALTER TABLE DROP COLUMN functionality
> ---------------------------------------------
>
>                 Key: DERBY-1489
>                 URL: http://issues.apache.org/jira/browse/DERBY-1489
>             Project: Derby
>          Issue Type: New Feature
>          Components: Documentation, SQL
>    Affects Versions: 10.1.3.1, 10.1.3.0, 10.1.2.1, 10.1.1.0, 10.0.2.1, 10.0.2.0, 10.2.1.0
>            Reporter: Bryan Pendleton
>         Assigned To: Bryan Pendleton
>         Attachments: drop_column_v5_grant_tests.diff, dropColumn_2.diff, dropColumn_v3_view_drop.diff,
dropColumn_v4_grant_tests.diff
>
>
> Provide a way to drop a column from an existing table. Possible syntax would be:
>   ALTER TABLE tablename DROP COLUMN columnname CASCADE / RESTRICT;
> Feature should properly handle columns which are used in constraints, views, triggers,
indexes, etc.

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