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Posted to derby-dev@db.apache.org by "Rick Hillegas (JIRA)" <ji...@apache.org> on 2008/10/29 14:21:44 UTC

[jira] Assigned: (DERBY-3922) Enable the adding of generated columns via ALTER TABLE

     [ https://issues.apache.org/jira/browse/DERBY-3922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Hillegas reassigned DERBY-3922:
------------------------------------

    Assignee: Rick Hillegas

> Enable the adding of generated columns via ALTER TABLE
> ------------------------------------------------------
>
>                 Key: DERBY-3922
>                 URL: https://issues.apache.org/jira/browse/DERBY-3922
>             Project: Derby
>          Issue Type: Task
>          Components: SQL
>    Affects Versions: 10.5.0.0
>            Reporter: Rick Hillegas
>            Assignee: Rick Hillegas
>
> The initial grammar patch for generated columns did not include ALTER TABLE support. This support cannot be added until we check in the UPDATE logic for generated columns. Adding a generated column to an existing table is supposed to calculate the generated column's values for all rows currently in the table.

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