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Posted to commits@cayenne.apache.org by "Andrus Adamchik (JIRA)" <ji...@apache.org> on 2012/10/28 16:31:11 UTC
[jira] [Closed] (CAY-116) Improve DbAdapter to support cascading
drop constraints when DB does not
[ https://issues.apache.org/jira/browse/CAY-116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrus Adamchik closed CAY-116.
-------------------------------
Resolution: Won't Fix
Fix Version/s: (was: Undefined future)
closing legacy issue
> Improve DbAdapter to support cascading drop constraints when DB does not
> ------------------------------------------------------------------------
>
> Key: CAY-116
> URL: https://issues.apache.org/jira/browse/CAY-116
> Project: Cayenne
> Issue Type: Improvement
> Components: Core Library
> Affects Versions: 1.0 [LEGACY], 1.1 [LEGACY]
> Environment: Sybase 11, Linux
> Reporter: Andrus Adamchik
> Assignee: Andrus Adamchik
> Priority: Minor
>
> When running unit tests with the new test schema ("people"), Sybase chokes on 2nd and subsequent runs since there a circular relationship PERSON -> DEPARTMENT -> PERSON. Sybase has no "CASCADE CONSTRAINTS" clause in the DROP command.
> This is fixed inside SybaseStackAdapter by manually dropping constraints like this:
> SELECT t0.name FROM sysobjects t0, sysconstraints t1, sysobjects t2
> WHERE t0.id = t1.constrid and t1.tableid = t2.id and t2.name = 'DEPARTMENT'
> and then
> alter table DEPARTMENT drop constraint XYZ
> TODO: DbAdapter only allows a single statement for dropTable. We need to redefine DbAdapter API to allow more then one statement...
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