[jira] Updated: (DERBY-1491) Provide ALTER TABLE functionality to change a column's default value

["Bryan Pendleton (JIRA)" <de...@db.apache.org>]

     [ http://issues.apache.org/jira/browse/DERBY-1491?page=all ]

Bryan Pendleton updated DERBY-1491:
-----------------------------------

    Attachment: alterDefaultTests.diff

Proposed patch "alterDefaultTests.diff" is attached. This patch proposal supercedes 
the previous attachments. Note that this patch only includes new tests; the current
product already supports the functionality to change a column's default value. The
code to support this was a side effect of the DERBY-119 changes, which wired up
the already-existing parser routines to the new ALTER TABLE t ALTER COLUMN c
statement.

> Provide ALTER TABLE functionality to change a column's default value
> --------------------------------------------------------------------
>
>                 Key: DERBY-1491
>                 URL: http://issues.apache.org/jira/browse/DERBY-1491
>             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: alterColumnDefault1.diff, alterDefaultTests.diff, modifyDefault_1.diff
>
>
> Provide a way to alter the default value for an existing column in an existing table. The syntax should probably some variant of the ALTER TABLE statement.

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