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DECLARE @base nvarchar(max),
@SQL nvarchar(max),
@id sysname;--
SET @base = 'ALTER TABLE /*_*/recentchanges DROP CONSTRAINT ';--
SELECT @id = fk.name
FROM sys.foreign_keys fk
JOIN sys.foreign_key_columns fkc
ON fkc.constraint_object_id = fk.object_id
JOIN sys.columns c
ON c.column_id = fkc.parent_column_id
AND c.object_id = fkc.parent_object_id
WHERE
fk.parent_object_id = OBJECT_ID('/*_*/recentchanges')
AND fk.referenced_object_id = OBJECT_ID('/*_*/page')
AND c.name = 'rc_cur_id';--
SET @SQL = @base + @id;--
EXEC sp_executesql @SQL;--
SELECT @id = fk.name
FROM sys.foreign_keys fk
JOIN sys.foreign_key_columns fkc
ON fkc.constraint_object_id = fk.object_id
JOIN sys.columns c
ON c.column_id = fkc.parent_column_id
AND c.object_id = fkc.parent_object_id
WHERE
fk.parent_object_id = OBJECT_ID('/*_*/recentchanges')
AND fk.referenced_object_id = OBJECT_ID('/*_*/revision')
AND c.name = 'rc_this_oldid';--
SET @SQL = @base + @id;--
EXEC sp_executesql @SQL;--
SELECT @id = fk.name
FROM sys.foreign_keys fk
JOIN sys.foreign_key_columns fkc
ON fkc.constraint_object_id = fk.object_id
JOIN sys.columns c
ON c.column_id = fkc.parent_column_id
AND c.object_id = fkc.parent_object_id
WHERE
fk.parent_object_id = OBJECT_ID('/*_*/recentchanges')
AND fk.referenced_object_id = OBJECT_ID('/*_*/revision')
AND c.name = 'rc_last_oldid';--
SET @SQL = @base + @id;--
EXEC sp_executesql @SQL;--
-- while we're at it, let's fix up the other foreign key constraints on recentchanges
-- as future patches touch constraints on other tables, they'll take the time to update constraint names there as well
ALTER TABLE /*_*/recentchanges DROP CONSTRAINT FK_rc_logid_log_id;--
ALTER TABLE /*_*/recentchanges ADD CONSTRAINT rc_logid__log_id__fk FOREIGN KEY (rc_logid) REFERENCES /*_*/logging(log_id) ON DELETE CASCADE;--
SELECT @id = fk.name
FROM sys.foreign_keys fk
JOIN sys.foreign_key_columns fkc
ON fkc.constraint_object_id = fk.object_id
JOIN sys.columns c
ON c.column_id = fkc.parent_column_id
AND c.object_id = fkc.parent_object_id
WHERE
fk.parent_object_id = OBJECT_ID('/*_*/recentchanges')
AND fk.referenced_object_id = OBJECT_ID('/*_*/mwuser')
AND c.name = 'rc_user';--
SET @SQL = @base + @id;--
EXEC sp_executesql @SQL;--
ALTER TABLE /*_*/recentchanges ADD CONSTRAINT rc_user__user_id__fk FOREIGN KEY (rc_user) REFERENCES /*_*/mwuser(user_id);
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