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  • sql 字符串 切割函数 FUN_Split

    
    IF EXISTS ( SELECT  *
                FROM    dbo.sysobjects
                WHERE   id = OBJECT_ID(N'[dbo].[FUN_Split]')
                        AND OBJECTPROPERTY(id, N'IsTableFunction') = 1 )
        DROP FUNCTION [dbo].[FUN_Split]
    GO
    --分割字符串函数
    Create FUNCTION [dbo].[FUN_Split]
     (
         @SplitString nvarchar(max),  --源字符串
         @Separator nvarchar(10)=' '  --分隔符号,默认为空格
     )
     RETURNS @SplitStringsTable TABLE  --输出的数据表
     (
         [id] int identity(1,1),
         [value] nvarchar(max)
     )
     AS
     BEGIN
         DECLARE @CurrentIndex int;
         DECLARE @NextIndex int;
         DECLARE @ReturnText nvarchar(max);
    
         SELECT @CurrentIndex=1;
         WHILE(@CurrentIndex<=len(@SplitString))
             BEGIN
                 SELECT @NextIndex=charindex(@Separator,@SplitString,@CurrentIndex);
                 IF(@NextIndex=0 OR @NextIndex IS NULL)
                     SELECT @NextIndex=len(@SplitString)+1;
                     SELECT @ReturnText=substring(@SplitString,@CurrentIndex,@NextIndex-@CurrentIndex);
                     INSERT INTO @SplitStringsTable([value]) VALUES(@ReturnText);
                     SELECT @CurrentIndex=@NextIndex+1;
                 END
         RETURN;
     END
    
    --select * FROm dbo.FUN_Split('111,b2222,323232,32d,e,323232f,g3222', ',')
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  • 原文地址:https://www.cnblogs.com/zhang1f/p/11953074.html
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