假設'list_of_image'
是包含逗號分隔值,您可以用純SQL
DELIMITER $$
CREATE PROCEDURE sp_insert_images(IN p3 VARCHAR(64), IN p4 VARCHAR(64), IN images VARCHAR(512))
BEGIN
INSERT INTO Table1 (p1, p2)
VALUES (p3, p4);
INSERT INTO Table2 (id, image)
SELECT LAST_INSERT_ID(), SUBSTRING_INDEX(SUBSTRING_INDEX(i.images, ',', n.n), ',', -1) image
FROM
(
SELECT images images
) i CROSS JOIN
(
SELECT a.N + b.N * 10 + 1 n
FROM
(SELECT 0 AS N UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9) a
,(SELECT 0 AS N UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9) b
ORDER BY n
) n
WHERE n.n <= 1 + (LENGTH(i.images) - LENGTH(REPLACE(i.images, ',', '')));
END$$
DELIMITER ;
做以下打電話給你的SP
CALL sp_insert_images('Some value1', 'Some value2', 'image1, image2, image3');
這裏是SQLFiddle演示的字符串。
注:
- 這個例子查詢將分裂到100逗號分隔的值。如果您需要更多或更少,您可以通過編輯內部子查詢來調整限制。
- 您可能會考慮創建一個永久計數表(數字),並使用它來代替內部選擇(使用別名
n
),以便即時生成一系列數字。
loop? ............ –
沒錯,但是在圖像數量很高的情況下它有很高的開銷 – Highlan
tbl1和tbl2之間的關係是什麼?你談論的電話號碼有多高? –