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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-1490) Provide ALTER TABLE RENAME COLUMN functionality
Date Tue, 07 Nov 2006 23:12:57 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1490?page=all ]

Bryan Pendleton updated DERBY-1490:
-----------------------------------

    Attachment: renameColumn_v5_with_schema_test.diff

Attachment renameColumn_v5_with_schema_test.diff differs from the
previous patch proposal only in the addition of a new test that demonstrates
that you can rename a column in a table in the non-current schema by
explicitly specifying a schema name.

That is, the proper syntax for the RENAME COLUMN statement is actually:

  RENAME COLUMN [schema-name.]table-name.column-name TO new-column-name

Thanks Knut Anders for noticing this; I'll fix the documentation in the DERBY-2042 patch.

> Provide ALTER TABLE RENAME COLUMN functionality
> -----------------------------------------------
>
>                 Key: DERBY-1490
>                 URL: http://issues.apache.org/jira/browse/DERBY-1490
>             Project: Derby
>          Issue Type: New Feature
>          Components: Documentation, SQL
>    Affects Versions: 10.0.2.0, 10.0.2.1, 10.1.1.0, 10.2.1.6, 10.1.2.1, 10.1.3.1
>            Reporter: Bryan Pendleton
>         Assigned To: Bryan Pendleton
>         Attachments: 1490_cannot_patch.jpg, derby1490_v1_needMoreTests.diff, renameColumn_v2_with_tests.diff,
renameColumn_v3_after_review.diff, renameColumn_v4_fix_error_message.diff, renameColumn_v5_with_schema_test.diff
>
>
> Provide a way to rename a column in an existing table. Possible syntax could be:
>   ALTER TABLE tablename RENAME COLUMN oldcolumn TO newcolumn;
> Feature should properly handle the possibility that the column is currently used in constraints,
views, indexes, triggers, etc.

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