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Date: Sat, 2 Dec 2006 23:47:23 -0800 (PST)
From: "Thomas Dudziak (JIRA)" <jira@apache.org>
To: ddlutils-dev@db.apache.org
Subject: [jira] Commented: (DDLUTILS-127) MsSqlBuilder does not drop foreign
 keys to a table before dropping the table.
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    [ http://issues.apache.org/jira/browse/DDLUTILS-127?page=3Dcomments#act=
ion_12455153 ]=20
           =20
Thomas Dudziak commented on DDLUTILS-127:
-----------------------------------------

Could you please post the SQL in the database and the target model that you=
 used ?
Also, please note that DdlUtils won't remove foreign keys automatically. It=
 will only do so if the foreign key is no longer in the target model (thoug=
h it could certainly improved to generate an error before actually changing=
 the database).

> MsSqlBuilder does not drop foreign keys to a table before dropping the ta=
ble.
> -------------------------------------------------------------------------=
----
>
>                 Key: DDLUTILS-127
>                 URL: http://issues.apache.org/jira/browse/DDLUTILS-127
>             Project: DdlUtils
>          Issue Type: Bug
>          Components: Core - SqlServer
>            Reporter: Christoffer Hammarstr=C3=B6m
>         Assigned To: Thomas Dudziak
>             Fix For: 1.0
>
>         Attachments: DDLUTILS-127.patch
>
>
> Could not drop object 'Tmp_categories' because it is referenced by a FORE=
IGN KEY constraint. Query: IF EXISTS (SELECT 1 FROM sysobjects WHERE type =
=3D 'U' AND name =3D 'Tmp_categories')
> BEGIN
>   DECLARE @tablename nvarchar(256), @constraintname nvarchar(256)
>   DECLARE refcursor CURSOR FOR
>   SELECT object_name(objs.parent_obj) tablename, objs.name constraintname
>     FROM sysobjects objs JOIN sysconstraints cons ON objs.id =3D cons.con=
stid
>     WHERE objs.xtype !=3D 'PK' AND object_name(objs.parent_obj) =3D 'Tmp_=
categories'  OPEN refcursor
>   FETCH NEXT FROM refcursor INTO @tablename, @constraintname
>   WHILE @@FETCH_STATUS =3D 0
>     BEGIN
>       EXEC ('ALTER TABLE '+@tablename+' DROP CONSTRAINT '+@constraintname=
)
>       FETCH NEXT FROM refcursor INTO @tablename, @constraintname
>     END
>   CLOSE refcursor
>   DEALLOCATE refcursor
>   DROP TABLE Tmp_categories
> END;

--=20
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