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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-1909) ALTER TABLE DROP COLUMN needs to update GRANTed column privileges
Date Wed, 27 Dec 2006 03:02:23 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1909?page=all ]

Bryan Pendleton updated DERBY-1909:

    Attachment: d1909_partial_incomplete.diff

I started working on a possible patch, but hit a bit of a confusion while trying
to re-factor some code in DataDictionaryImpl.java. I don't want to lose the
work I did, so I'm attaching d1909_partial_incomplete.diff to save that work.
Hopefully I can pick up this work and continue it once I understand the DERBY-1847
fix better.

> ALTER TABLE DROP COLUMN needs to update GRANTed column privileges
> -----------------------------------------------------------------
>                 Key: DERBY-1909
>                 URL: http://issues.apache.org/jira/browse/DERBY-1909
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions:
>            Reporter: Bryan Pendleton
>         Assigned To: Bryan Pendleton
>         Attachments: d1909_partial_incomplete.diff, repro.sql
> When ALTER TABLE DROP COLUMN is used to drop a column from a table, it needs to update
the GRANTed column privileges on that table.
> The following behaviors need to be provided:
> - DROP COLUMN needs to automatically revoke any privileges which have been granted on
this column
> - Privileges which have been granted on other columns in this table need to be adjusted
due to changed column position numbers
> When this problem is fixed, the following additional cleanup steps should occur:
> - The check that disables DROP COLUMN in sqlAuthorization mode needs to be removed
> - There is a comment in AlterTableConstantAction that needs to be revised
> - The tests in lang/altertableDropColumn.sql should be moved into altertable.sql
> - altertableDropColumn.sql and altertableDropColumn.out should be deleted
> Search for this JIRA issue number in the code to find the relevant places to change.

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