T-SQL 拆分字符串 [英] T-SQL split string

问题描述

我有一个 SQL Server 2008 R2 列，其中包含一个需要用逗号分隔的字符串.我在 StackOverflow 上看到了很多答案，但没有一个适用于 R2.我确保我对任何拆分函数示例都有选择权限.非常感谢任何帮助.

I have a SQL Server 2008 R2 column containing a string which I need to split by a comma. I have seen many answers on StackOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated.

推荐答案

我之前用过这个 SQL，可能对你有用:-

I've used this SQL before which may work for you:-

CREATE FUNCTION dbo.splitstring ( @stringToSplit VARCHAR(MAX) )
RETURNS
 @returnList TABLE ([Name] [nvarchar] (500))
AS
BEGIN

 DECLARE @name NVARCHAR(255)
 DECLARE @pos INT

 WHILE CHARINDEX(',', @stringToSplit) > 0
 BEGIN
  SELECT @pos  = CHARINDEX(',', @stringToSplit)  
  SELECT @name = SUBSTRING(@stringToSplit, 1, @pos-1)

  INSERT INTO @returnList 
  SELECT @name

  SELECT @stringToSplit = SUBSTRING(@stringToSplit, @pos+1, LEN(@stringToSplit)-@pos)
 END

 INSERT INTO @returnList
 SELECT @stringToSplit

 RETURN
END

并使用它:-

SELECT * FROM dbo.splitstring('91,12,65,78,56,789')

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