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Posted to ddlutils-dev@db.apache.org by "Thomas Dudziak (JIRA)" <ji...@apache.org> on 2006/12/05 08:34:22 UTC
[jira] Resolved: (DDLUTILS-127) MsSqlBuilder does not drop foreign
keys to a table before dropping the table.
[ http://issues.apache.org/jira/browse/DDLUTILS-127?page=all ]
Thomas Dudziak resolved DDLUTILS-127.
-------------------------------------
Resolution: Fixed
This method is not really intended to do that (which is why it is not exposed in the Platform interface).
I've created convenience methods in the Platform for deleting a table/generating the SQL to do that (incl. the foreign keys pointing to it).
> MsSqlBuilder does not drop foreign keys to a table before dropping the table.
> -----------------------------------------------------------------------------
>
> Key: DDLUTILS-127
> URL: http://issues.apache.org/jira/browse/DDLUTILS-127
> Project: DdlUtils
> Issue Type: Bug
> Components: Core - SqlServer
> Reporter: Christoffer Hammarström
> Assigned To: Thomas Dudziak
> Fix For: 1.0
>
> Attachments: DDLUTILS-127.patch
>
>
> Could not drop object 'Tmp_categories' because it is referenced by a FOREIGN KEY constraint. Query: IF EXISTS (SELECT 1 FROM sysobjects WHERE type = 'U' AND name = '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 = cons.constid
> WHERE objs.xtype != 'PK' AND object_name(objs.parent_obj) = 'Tmp_categories' OPEN refcursor
> FETCH NEXT FROM refcursor INTO @tablename, @constraintname
> WHILE @@FETCH_STATUS = 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;
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