MSSQL读取某视图中的字段类型及相关属性

SELECT
新字段类型 = '',
表名 = case when a.colorder=1 then d.name else '' end,
表说明 = case when a.colorder=1 then isnull(f.value,'') else '' end,
字段序号 = a.colorder,
字段名 = a.name,
字段类型 = b.name,
占用字节数 = a.length,
标识 = case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '1'else '0' end,
主键 = case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid))) then '1' else '0' end,
长度 = COLUMNPROPERTY(a.id,a.name,'PRECISION'),
小数位数 = isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
允许空 = case when a.isnullable=1 then '1'else '0' end,
默认值 = isnull(e.text,''),
字段说明 = isnull(g.[value],'')
FROM syscolumns a
left join systypes b on a.xusertype=b.xusertype
inner join sysobjects d on a.id=d.id and ( d.xtype='U' or d.xtype='V' ) and d.name<>'dtproperties'
left join syscomments e on a.cdefault=e.id
left join sys.extended_properties g on a.id=G.major_id and a.colid=g.minor_id
left join sys.extended_properties f
on d.id=f.major_id and f.minor_id=0
where d.name='V_HC_OrderWeekReport_BI'
order by a.id,a.colorder