CREATE FUNCTION dbo.SplitStrings(@List NVARCHAR(MAX))
RETURNS TABLE
AS
RETURN ( SELECT Item FROM
( SELECT Item = x.i.value('(./text())[1]', 'nvarchar(max)')
FROM ( SELECT [XML] = CONVERT(XML, '<i>'
+ REPLACE(@List, '.', '</i><i>') + '</i>').query('.')
) AS a CROSS APPLY [XML].nodes('i') AS x(i) ) AS y
WHERE Item IS NOT NULL
);
GO
然后清除所有游标并循环废话，并执行以下操作：
INSERT dbo.mrhierlookup
(
heiraui,
aui
)
SELECT s.Item, m.aui
FROM dbo.mrhier3 AS m
CROSS APPLY dbo.SplitStrings(m.ptr) AS s
GROUP BY s.Item, m.aui;
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