SQL查询表名注释&字段注释存储过程[与添加关联]

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/u010944388/article/details/79764524

USE [DEV2]
GO

/****** Object:  StoredProcedure [dbo].[Get_table_or_field_info_sp]    Script Date: 2018-3-30 23:01:13 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

-- =============================================
-- Author:		<骚团长·jway>
-- Create date: <2018-03-30>
-- Description:	<通过sql语句获得一个表的备注及字段备注、类型等相关信息>与存储过程[Update_table_or_field_info_sp]相互照应
-- =============================================

-- =============================================
--存储过程调用方法:
--EXEC Get_table_or_field_info_sp @TableName = 'mfworkorder'--这里传入当前您需要查询的表名即可!不传则默认全局所有表查询,如果DB数据库很多会很慢。
-- =============================================
CREATE PROCEDURE [dbo].[Get_table_or_field_info_sp]
@TableName NVARCHAR(50)=NULL
AS
BEGIN
	SET NOCOUNT ON;
	IF ISNULL(@TableName,'')=''
	BEGIN
		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 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],''),
		 索引名称=isnull(h.索引名称,''),
		 索引顺序=isnull(h.排序,'')
		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.id and a.colid=g.smallid  
		 left join sysproperties f on d.id=f.id and f.smallid=0 这是SQL 2000(含)之前用的系统表,2005(含)之后就用下面那张表sys.extended_properties,相应字段也改了---Remark by 骚团长(jway) 2018/03/30*/
		 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
		 left join(--这部分是索引信息,如果要显示索引与表及字段的对应关系,可以只要此部分
		  select 索引名称=a.name,c.id,d.colid
		   ,排序=case indexkey_property(c.id,b.indid,b.keyno,'isdescending')
			when 1 then N'降序' when 0 then N'升序' end
		  from sysindexes a
		   join sysindexkeys b on a.id=b.id and a.indid=b.indid
		   join (--这里的作用是有多个索引时,取索引号最小的那个
			select id,colid,indid=min(indid) from sysindexkeys
			group by id,colid) b1 on b.id=b1.id and b.colid=b1.colid and b.indid=b1.indid
		   join sysobjects c on b.id=c.id and c.xtype='U' and  c.name<>'dtproperties'
		   join syscolumns d on b.id=d.id and b.colid=d.colid
		  where a.indid not in(0,255)
		 ) h on a.id=h.id and a.colid=h.colid
		order by a.id,a.colorder		
	END
	ELSE
	BEGIN
		IF NOT EXISTS (SELECT 10 FROM sysobjects (NOLOCK) WHERE NAME=@TableName AND xtype='U')
		BEGIN
			RAISERROR 99999 N'老铁,你输入的表名不存在,请检查!'
			RETURN 101
		END
		ELSE
		BEGIN
			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 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],''),
			 索引名称=isnull(h.索引名称,''),
			 索引顺序=isnull(h.排序,'')
			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.id and a.colid=g.smallid  
			 left join sysproperties f on d.id=f.id and f.smallid=0 这是SQL 2000(含)之前用的系统表,2005(含)之后就用下面那张表sys.extended_properties,相应字段也改了---Remark by 骚团长(jway) 2018/03/30*/
			 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
			 left join(--这部分是索引信息,如果要显示索引与表及字段的对应关系,可以只要此部分
			  select 索引名称=a.name,c.id,d.colid
			   ,排序=case indexkey_property(c.id,b.indid,b.keyno,'isdescending')
				when 1 then N'降序' when 0 then N'升序' end
			  from sysindexes a
			   join sysindexkeys b on a.id=b.id and a.indid=b.indid
			   join (--这里的作用是有多个索引时,取索引号最小的那个
				select id,colid,indid=min(indid) from sysindexkeys
				group by id,colid) b1 on b.id=b1.id and b.colid=b1.colid and b.indid=b1.indid
			   join sysobjects c on b.id=c.id and c.xtype='U' and  c.name<>'dtproperties'
			   join syscolumns d on b.id=d.id and b.colid=d.colid
			  where a.indid not in(0,255)
			 ) h on a.id=h.id and a.colid=h.colid
			where d.name=@TableName--如果只查询指定表,加上此条件
			order by a.id,a.colorder			
		END		
	END
	SET NOCOUNT OFF
END

GO
---可支持SQL 2000 只需在注释中稍微更改即可。
---转载说明出处，谢谢！@骚团长