查询SQL2008字段和注释

Posted 2020-08-09 成败在我手

SELECT 
    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,
    标识       = case when COLUMNPROPERTY( a.id,a.name,‘IsIdentity‘)=1 then ‘√‘else ‘‘ 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 ‘√‘ else ‘‘ end,
    类型       = b.name,
    占用字节数 = a.length,
    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 ‘√‘else ‘‘ 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‘ 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=‘bsp_brands‘  --如果只查询指定表,加上此条件
order by  
  a.id,a.colorder