删除指定表的所有索引和统计

一个删除指定表的所有索引和统计的过程

------------------------------------------------------------------------

-- Author : HappyFlyStone

-- Date : 2009-09-05 00:57:10

-- Version: Microsoft SQL Server 2005 - 9.00.2047.00 (Intel X86)

-- Apr 14 2006 01:12:25

-- Copyright (c) 1988-2005 Microsoft Corporation

-- Enterprise Edition on Windows NT 5.2 (Build 3790: Service Pack 2)

--

------------------------------------------------------------------------

IF EXISTS (SELECT name FROM sysobjects WHERE id = OBJECT_ID('sp_DropAllIndex')

AND OBJECTPROPERTY(OBJECT_ID('sp_DropAllIndex'),'IsProcedure')=1)

DROP PROCEDURE sp_DropAllIndex

GO

CREATE PROCEDURE sp_DropAllIndex

@tabname nvarchar(150) -- 需要删除统计或索引的表

AS

BEGIN

DECLARE @drop_idx_string nvarchar(4000) -- 存放动态组织而成的DROPS index/stats 语法

SET NOCOUNT ON

-- check table

IF NOT EXISTS (SELECT 1

FROM INFORMATION_SCHEMA.TABLES

WHERE table_type = 'base table' AND table_name = @tabname)

BEGIN

RAISERROR(N'------当前表：''%s'' 不存在!',16, 1, @tabname)

RETURN (1)

END

SET @tabname = OBJECT_ID(@tabname)

IF EXISTS (SELECT 1

FROM sysindexes

WHERE id=@tabname AND indid BETWEEN 1 AND 254

AND status IN (96,10485856,8388704))

BEGIN

SELECT @drop_idx_string = isnull(@drop_idx_string+';','')

+ ('DROP STATISTICS '+OBJECT_NAME(@tabname)+'.'+name)

FROM sysindexes

WHERE id=@tabname AND indid BETWEEN 1 AND 254

AND status IN (96,10485856,8388704)

END

IF Len(@drop_idx_string) > 0

BEGIN

PRINT N'------统计删除列表------'

PRINT @drop_idx_string+';'

EXECUTE(@drop_idx_string+';')

PRINT N'------统计删除结束------'

END

IF EXISTS (SELECT 1 FROM sysindexes

WHERE id=@tabname AND indid BETWEEN 1 AND 254

AND status NOT IN (96,10485856,8388704))

BEGIN

SET @drop_idx_string = NULL

select @drop_idx_string = isnull(@drop_idx_string+';'+CHAR(13)+CHAR(10),'')

+ ('DROP INDEX '+OBJECT_NAME(@tabname)+'.'+name)

FROM sysindexes

WHERE id=@tabname AND indid BETWEEN 1 AND 254

AND status NOT IN (96,10485856,8388704)

AND OBJECTPROPERTY (OBJECT_ID(name),'IsConstraint') IS NULL--过程不处理CONSTRAINTS

END

PRINT N'------索引删除列表------'

PRINT (@drop_idx_string+';')

EXEC( @drop_idx_string+';')

PRINT ('......'+CHAR(13)+CHAR(10)+'......')

PRINT N'------索引删除结束------'

END

GO

create clustered index idx_id on ta(id)

create index idx_col on ta(col)

go

sp_DropAllIndex 'ta'

/*

------索引删除列表------

DROP INDEX ta.idx_id;

DROP INDEX ta.idx_col;

......

......

------索引删除结束------

*/