一个删除指定表的所有索引和统计的过程 |
本文标签:索引,统计 复制代码 代码如下: ------------------------------------------------------------------------ -- 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------ */ |