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USE [DEV2]
GO/****** Object: StoredProcedure [dbo].[Get_table_or_field_info_sp] Script Date: 2018-3-30 23:01:13 ******/
SET ANSI_NULLS ON
GOSET 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
BEGINSET NOCOUNT ON;IF ISNULL(@TableName,'')=''BEGINSELECT 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 aleft join systypes b on a.xtype=b.xusertypeinner 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_idleft join sys.extended_properties f on d.id=f.major_id and f.minor_id=0left 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' endfrom sysindexes ajoin sysindexkeys b on a.id=b.id and a.indid=b.indidjoin (--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 sysindexkeysgroup by id,colid) b1 on b.id=b1.id and b.colid=b1.colid and b.indid=b1.indidjoin 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.colidwhere a.indid not in(0,255)) h on a.id=h.id and a.colid=h.colidorder by a.id,a.colorder ENDELSEBEGINIF NOT EXISTS (SELECT 10 FROM sysobjects (NOLOCK) WHERE NAME=@TableName AND xtype='U')BEGINRAISERROR 99999 N'老铁,你输入的表名不存在,请检查!'RETURN 101ENDELSEBEGINSELECT 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 aleft join systypes b on a.xtype=b.xusertypeinner 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_idleft join sys.extended_properties f on d.id=f.major_id and f.minor_id=0left 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' endfrom sysindexes ajoin sysindexkeys b on a.id=b.id and a.indid=b.indidjoin (--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 sysindexkeysgroup by id,colid) b1 on b.id=b1.id and b.colid=b1.colid and b.indid=b1.indidjoin 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.colidwhere a.indid not in(0,255)) h on a.id=h.id and a.colid=h.colidwhere d.name=@TableName--如果只查询指定表,加上此条件order by a.id,a.colorder END ENDSET NOCOUNT OFF
ENDGO
---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
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