maintenance/mssql/archives/patch-categorylinks-constraints.sql

   1 DECLARE @baseSQL nvarchar(max),
   2         @SQL nvarchar(max),
   3         @id sysname;--
   4
   5 SET @baseSQL = 'ALTER TABLE /*_*/categorylinks DROP CONSTRAINT ';--
   6
   7 SELECT @id = cc.name
   8 FROM sys.check_constraints cc
   9 JOIN sys.columns c
  10         ON c.object_id = cc.parent_object_id
  11         AND c.column_id = cc.parent_column_id
  12 WHERE
  13         cc.parent_object_id = OBJECT_ID('/*_*/categorylinks')
  14         AND c.name = 'cl_type';--
  15
  16 SET @SQL = @baseSQL + @id;--
  17
  18 EXEC sp_executesql @SQL;--
  19
  20 ALTER TABLE /*_*/categorylinks ADD CONSTRAINT cl_type_ckc CHECK (cl_type IN('page', 'subcat', 'file'));