JSON объект
{"billNo":16,"date":"2017-13-11 09:05:01","customerName":"Vikas","total":350.0,"fixedCharges":100,"taxAmount":25.78,"status":"paid","product":[{"productId":"MRR11","categoryId":72,"categoryName":"Parker Pen","cost":200,"quantity":2,"log":{"supplierId":"725","supplierName":"Rihant General Stores"}},{"productId":"MRR12","categoryId":56,"categoryName":"Drawing Books","cost":150,"quantity":3,"log":{"supplierId":"725","supplierName":"Rihant General Stores"}}]}
процедура создания
CREATE DEFINER=`root`@`localhost` PROCEDURE `json_example1`(json_object JSON)
BEGIN
DECLARE products json;
DECLARE i INT DEFAULT 0;
DECLARE categoryName VARCHAR(255) DEFAULT 0;
/*assign json_object's value to products mysql json object*/
SELECT json_object->"$.product" INTO products;
loop1 : WHILE i < JSON_LENGTH(products) DO
/*get categoryName from current products object in while loop */
SET categoryName = JSON_EXTRACT(products,CONCAT('$[',i,'].categoryName'));
/* insert categoryName into table */
INSERT INTO product VALUES(NULL,SUBSTRING(categoryName,2,(LENGTH(categoryName)-2)));
SET i = i + 1;
END WHILE loop1;
END
процедура вызова
mysql> call json_example1('{"billNo":16,"date":"2017-13-11 09:05:01","customerName":"Vikas","total":350.0,"fixedCharges":100,"taxAmount":25.78,"status":"paid","product":[{"productId":"MRR11","categoryId":72,"categoryName":"Parker Pen","cost":200,"quantity":2,"log":{"supplierId":"725","supplierName":"Rihant General Stores"}},{"productId":"MRR12","categoryId":56,"categoryName":"Drawing Books","cost":150,"quantity":3,"log":{"supplierId":"725","supplierName":"Rihant General Stores"}}]}');
выход
mysql> select * from product;
+------------+---------------+
| product_id | product_name |
+------------+---------------+
| 1 | Parker Pen |
| 2 | Drawing Books |
+------------+---------------+
2 rows in set (0.03 sec)
дополнительно -
CREATE TABLE product
(
product_id
int (11) NOT NULL AUTO_INCREMENT,
product_name
varchar (255) DEFAULT NULL,
ПЕРВИЧНЫЙ КЛЮЧ (product_id
)
) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARSET ПО УМОЛЧАНИЮ = latin1;