By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
CREATE TABLE tableWithJsonStr (location TEXT, jsonStr TEXT);
INSERT INTO tableWithJsonStr VALUES
('Home', '[{"animalId":"1","type":"dog", "color":"white","isPet":"1"},{"animalId":"2","type":"cat", "color":"brown","isPet":"1"}]'),
('Farm', '[{"animalId":"8","type":"cow", "color":"brown","isPet":"0"}, {"animalId":"33","type":"pig", "color":"pink","isPet":"0"}, {"animalId":"22","type":"horse", "color":"black","isPet":"1"}]'),
('Zoo', '[{"animalId":"5","type":"tiger", "color":"stripes","isPet":"0"}]');
Records: 3 Duplicates: 0 Warnings: 0
CREATE PROCEDURE extract_animals()
BEGIN
DECLARE idx INT;
DECLARE finished INT DEFAULT 0;
DECLARE loc, json VARCHAR(200);
DECLARE json_cursor CURSOR FOR SELECT location, jsonStr FROM tableWithJsonStr;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET finished = 1;
DROP TABLE IF EXISTS animal;
CREATE TABLE animal (location TEXT, idx INT, animalId INT, type TEXT, color TEXT, isPet BOOLEAN);
OPEN json_cursor;
json_loop: LOOP
FETCH json_cursor INTO loc, json;
IF finished = 1 THEN
LEAVE json_loop;
END IF;
SET idx = 0;
WHILE JSON_CONTAINS_PATH(json, 'one', CONCAT('$[', idx, ']')) DO
INSERT INTO animal VALUES(loc,
idx,
JSON_UNQUOTE(JSON_EXTRACT(json, CONCAT('$[', idx, '].animalId'))),
JSON_UNQUOTE(JSON_EXTRACT(json, CONCAT('$[', idx, '].type'))),
JSON_UNQUOTE(JSON_EXTRACT(json, CONCAT('$[', idx, '].color'))),
JSON_UNQUOTE(JSON_EXTRACT(json, CONCAT('$[', idx, '].isPet'))));
SET idx = idx + 1;
END WHILE;
END LOOP json_loop;
END
CALL extract_animals()
SELECT * FROM animal
| location | idx | animalId | type | color | isPet |
|---|---|---|---|---|---|
| Home | 0 | 1 | dog | white | 1 |
| Home | 1 | 2 | cat | brown | 1 |
| Farm | 0 | 8 | cow | brown | 0 |
| Farm | 1 | 33 | pig | pink | 0 |
| Farm | 2 | 22 | horse | black | 1 |
| Zoo | 0 | 5 | tiger | stripes | 0 |