-- WH 拆分成多行 数据 20230519

SELECT * FROM (

        SELECT SKU,Primary_Warehouse, SUBSTRING_INDEX(SUBSTRING_INDEX(WH, ',', n.digit+1), ',', -1) as WH

        FROM TMP_WH_SKU

        INNER JOIN (

                 SELECT 0 digit UNION ALL

                SELECT 1 UNION ALL

                SELECT 2 UNION ALL

                SELECT 3 UNION ALL

                SELECT 4

        ) n

        ON CHAR_LENGTH(WH) - CHAR_LENGTH(REPLACE(WH, ',', '')) >= n.digit

        WHERE WH != Primary_Warehouse

) SKUs

where SKUs.WH !=  SKUs.Primary_Warehouse;