SQL2005/2008获取带外键的表结构脚本

#region sqlGetColumns
         private static string sqlGetColumns = @"
select
tabName=O.NAME,
columnLine=C.column_id,
columnName=C.name,
typeNum=T.name,
typeLength=C.max_length,
fState=ISNULL(G.value,N''),
isAbleNull=CASE WHEN C.is_nullable=1 THEN N'√'ELSE N'' END,
defaultData=ISNULL(D.definition,N''),
isIdentity=CASE WHEN C.is_identity=1 THEN N'√'ELSE N'' END,
isPrimary=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=c.[object_id] and name in (
             SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = c.[object_id] AND colid=c.column_id))) then '√' else '' end,
isForeign=case when exists(select * from sysforeignkeys fk where C.[object_id]=FK.fkeyid AND C.column_id=FK.fkey)then '√' else '' end,
TabForeignName=ISNULL(IDX.FKName,N''),
OutNameCol=ISNULL(IDX.ns,N'')
FROM sys.columns C 
INNER JOIN sys.objects O
ON C.[object_id]=O.[object_id]
            AND O.type='U'
            AND O.is_ms_shipped=0
INNER JOIN sys.types T
        ON C.user_type_id=T.user_type_id
left JOIN sys.extended_properties G
ON C.[object_id]=G.major_id and c.column_id=g.minor_id
LEFT JOIN sys.default_constraints D   
        ON C.[object_id]=D.parent_object_id
            AND C.column_id=D.parent_column_id
            AND C.default_object_id=D.[object_id]