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Posted to derby-dev@db.apache.org by "Bart van der Bilt (Jira)" <ji...@apache.org> on 2024/01/31 20:59:00 UTC

[jira] [Commented] (DERBY-6303) Add ability to defer enforcement of unique indexes until transaction end.

    [ https://issues.apache.org/jira/browse/DERBY-6303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17812859#comment-17812859 ] 

Bart van der Bilt commented on DERBY-6303:
------------------------------------------

I added 2 sql files as test case. Also when converting primary keys to unique constrains I cannot get this migration to work from IJ. run 'fxmovierentals6-all.sql'. Works fine without the foreign keys.

> Add ability to defer enforcement of unique indexes until transaction end.
> -------------------------------------------------------------------------
>
>                 Key: DERBY-6303
>                 URL: https://issues.apache.org/jira/browse/DERBY-6303
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.11.1.1
>            Reporter: Richard N. Hillegas
>            Priority: Major
>         Attachments: fxmovierentals6-all.sql, movies_insert_fk7.sql
>
>
> Applications may need to defer the enforcement of unique indexes for the same reasons that they need to defer the enforcement of unique constraints. See DERBY-532.



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