SQL无级分类递归删除子类

CREATE PROCEDURE USP_CatalogDeleteChild
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(
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@catalogid nvarchar(50)
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)
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AS
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SET NOCOUNT ON
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DECLARE @childCatalogId nvarchar(50)
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DECLARE @loop int
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DECLARE @totalrow int
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DELETE FROM cms_catalog WHERE [id] = @catalogid
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BEGIN
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----------递归,使用临时表
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SELECT[id],identity(int) AS i INTO #tmp FROM cms_catalog WHERE parentid = @catalogid
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SET @totalrow = @@rowcount
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SET @loop =1
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WHILE(@loop <= @totalrow)
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begin
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SELECT @childCatalogId = [id] FROM #tmp WHERE i = @loop
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SET @loop = @loop+1
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EXEC USP_CatalogDeleteChild @childCatalogId
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end
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END
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GO
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