/**-- =============================================
Author: xft
CteateDate: 2013-10-11
Description:查看表的完整字段信息
Remark:
ModifyHistory:修改 添加了字段长度和标识等信息
**/-- =============================================
CREATE PROCEDURE [dbo].[sp_select_talberowName]
(@tablename varchar(max))

AS
BEGIN
SET NOCOUNT ON;
--declare @sql varchar(max)
--set @tablename=@tablename
----set @sql = 'select a.name,b.value
----from sys.syscolumns a left join sys.extended_properties b on a.id=b.major_id AND a.colid = b.minor_id
----Where a.ID=OBJECT_ID('''+@tablename+''')'

--set @sql='select e.name,c.[type],e.value from ((
--select a.name,b.value
--from sys.syscolumns a left join sys.extended_properties b on a.id=b.major_id AND a.colid = b.minor_id
--Where a.ID=OBJECT_ID('''+@tablename+''')) as e
--left join (
--select sys.columns.name,sys.types.name as [type] from sys.columns,sys.tables,sys.types
--where sys.tables.object_id=sys.columns.object_id and sys.types.user_type_id=sys.columns.user_type_id
--and sys.tables.name='''+@tablename+''') as c
--on e.name=c.name)'

--print @sql
--exec (@sql)
DECLARE @sql Nvarchar(2000)
SET @sql = 'SELECT
字段序号=a.column_id,
字段名=a.name,
类型=b.name,
长度=a.max_length,
小数位数=a.scale,
标识=case when a.is_identity = 1 THEN '+''''+'是'+''''+' else '+ ''''+''+'''' +' end,
主键=case when exists(SELECT 1 FROM sys.objects where type='+''''+'PK'+''''+' and name in (
SELECT name FROM sys.indexes WHERE index_id in(
SELECT index_id FROM sys.index_columns WHERE object_id = a.object_id AND index_column_id=a.column_id
))) then '+''''+'是'+''''+' else '+''''+''+''''+'end,
允许空=case when a.is_nullable=1 then '+''''+'是'+''''+' else '+''''+''+''''+' end,
默认值=isnull(e.text,'+''''+''+''''+'),
字段说明=isnull(g.[value],'+''''+''+''''+')
FROM sys.columns a
left join sys.types b on a.user_type_id=b.user_type_id
inner join sys.tables d on a.object_id=d.object_id
left join sys.syscomments e on a.default_object_id=e.id
left join sys.extended_properties g on a.object_id=g.major_id and a.column_id=g.minor_id
left join sys.extended_properties f on d.object_id=f.major_id and f.minor_id=0
WHERE d.name='+''''+@tablename+''''+'order by d.name,a.column_id'
EXEC sp_executesql @sql
END
GO