CREATE FUNCTION [dbo].[SplitWithPairs]
(
@List NVARCHAR(MAX),
@MajorDelimiter VARCHAR(3) = ',',
@MinorDelimiter VARCHAR(3) = ':'
)
RETURNS @Items TABLE
(
Position INT IDENTITY(1,1) NOT NULL,
LeftItem INT NOT NULL,
RightItem INT NOT NULL
)
AS
BEGIN
DECLARE
@Item NVARCHAR(MAX),
@LeftItem NVARCHAR(MAX),
@RightItem NVARCHAR(MAX),
@Pos INT;
SELECT
@List = @List + ' ',
@MajorDelimiter = LTRIM(RTRIM(@MajorDelimiter)),
@MinorDelimiter = LTRIM(RTRIM(@MinorDelimiter));
WHILE LEN(@List) > 0
BEGIN
SET @Pos = CHARINDEX(@MajorDelimiter, @List);
IF @Pos = 0
SET @Pos = LEN(@List) + LEN(@MajorDelimiter);
SELECT
@Item = LTRIM(RTRIM(LEFT(@List, @Pos - 1))),
@LeftItem = LTRIM(RTRIM(LEFT(@Item,
CHARINDEX(@MinorDelimiter, @Item) - 1))),
@RightItem = LTRIM(RTRIM(SUBSTRING(@Item,
CHARINDEX(@MinorDelimiter, @Item)
+ LEN(@MinorDelimiter), LEN(@Item))));
INSERT @Items(LeftItem, RightItem)
SELECT @LeftItem, @RightItem;
SET @List = SUBSTRING(@List,
@Pos + LEN(@MajorDelimiter), DATALENGTH(@List));
END
RETURN;
END
GO
DECLARE @ValuePairs VARCHAR(MAX) = '1:1, 1:2, 1:4, 2:3,1000:230, 130:120,';
SELECT LeftItem, RightItem
FROM dbo.SplitWithPairs(@ValuePairs, ',', ':')
ORDER BY Position;
GO