11 06 2023


  -- =====================================================================

  -- ========================== 一、生成视图 ===========================================

  -- =========================================================================


if exists (select 1    from  sysobjects   where  name = 'sysproperties'  and   xtype = 'V')  

  begin  

   DROP VIEW sysproperties  

  end  

  GO  



  CREATE VIEW sysproperties  

  AS  

  SELECT A.name As TableName,A.id As TableID,B.Name As ColName,B.colid As ColID,B.xtype As ColType,C.name As PropName,C.Value As PropValue  

  FROM sysobjects As A   

  INNER JOIN syscolumns As B ON A.id = B.id  

  INNER JOIN sys.extended_properties As C ON C.major_id = A.id AND ( minor_id = B.colid)  





  -- =====================================================================

  -- ======================= 二、查询 ==================================================

  -- =========================================================================




  SELECT

      (case when a.colorder=1 then d.name else '' end)表名,

      a.colorder 字段序号,

      a.name 字段名,

      isnull(g.[PropValue],'') AS 字段说明  ,

      (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识,

      (case when (SELECT count(*)

      FROM sysobjects

      WHERE (name in

                (SELECT name

               FROM sysindexes

               WHERE (id = a.id) AND (indid in

                         (SELECT indid

                        FROM sysindexkeys

                        WHERE (id = a.id) AND (colid in

                                  (SELECT colid

                                 FROM syscolumns

                                 WHERE (id = a.id) AND (name = a.name))))))) AND

             (xtype = 'PK'))>0 then '√' else '' end) 主键,

      b.name 类型,

      a.length 占用字节数,

      COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度,

      isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,

      (case when a.isnullable=1 then '√'else '' end) 允许空,

      isnull(e.text,'') 默认值


FROM  syscolumns  a left join systypes b

on  a.xtype=b.xusertype

inner join sysobjects d

on a.id=d.id  and  d.xtype='U' and  d.name<>'dtproperties'

left join syscomments e 

on a.cdefault=e.id

left join sysproperties g

on a.id=g.TableID AND a.colid = g.ColID 

order by a.id,a.colorder

 




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