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Date: Mon, 17 Jul 2006 04:20:15 -0700 (PDT)
From: "Thoralf Rickert (JIRA)" <jira@apache.org>
To: torque-dev@db.apache.org
Subject: [jira] Commented: (TORQUE-45) Generated SQL is in wrong order when
 dropping tables on table re-creation
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    [ http://issues.apache.org/jira/browse/TORQUE-45?page=comments#action_12421580 ] 
            
Thoralf Rickert commented on TORQUE-45:
---------------------------------------

> So how are tables with circular references dropped? 

I have this circular references problem in one of my schemes. And my solution is to drop the whole database. 

This isn't a problem in a development environment (it's faster) and later in a production environment you don't drop tables.


> Generated SQL is in wrong order when dropping tables on table re-creation
> -------------------------------------------------------------------------
>
>                 Key: TORQUE-45
>                 URL: http://issues.apache.org/jira/browse/TORQUE-45
>             Project: Torque
>          Issue Type: Bug
>          Components: Generator
>    Affects Versions: 3.2, 3.1.1
>         Environment: java 1.4.2, 1.5. Solaris 10.
>            Reporter: Joe Carter
>
> When the table creation SQL is re-run when the schema contains foreign keys, you will get referential integrity complaints.
> This is because the table drop order means that it tries to drop dependent tables first.
> To fix this, the drop statements should be before all the creates. They should also be in reverse order to the creates.
> A method to be able to obtain the tables in reverse order will be needed to allow the templates to be modified to fix this.

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