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    一个删除指定表的所有索引和统计的过程

    2018-04-25 21:47:34 次阅读 稿源:互联网
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    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------
    */

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