Aquí hay una forma increíblemente complicada de hacer esto en MySQL, usando JSON_TABLE
para convertir la actualización y los valores JSON originales en columnas, fusionando las columnas usando un FULL JOIN (simulado) y luego volver a crear el valor JSON de salida usando JSON_OBJECT
y JSON_ARRAYAGG
; finalmente usando eso para actualizar la tabla original:
WITH upd AS (
SELECT *
FROM JSON_TABLE('[{"substanceId": 182, "text": "substance_name_182_new"}, {"substanceId": 184, "text": "substance_name_184"}]',
'$[*]' COLUMNS (
substanceId INT PATH '$.substanceId',
txt VARCHAR (100) PATH '$.text')
) jt
CROSS JOIN (SELECT DISTINCT id
FROM test) t
),
cur AS (
SELECT id, substanceId, txt
FROM test
JOIN JSON_TABLE(test.j,
'$[*]' COLUMNS (
substanceId INT PATH '$.substanceId',
txt VARCHAR (100) PATH '$.text')
) jt
),
allv AS (
SELECT COALESCE(upd.id, cur.id) AS id,
COALESCE(upd.substanceId, cur.substanceId) AS substanceId,
COALESCE(upd.txt, cur.txt) AS txt
FROM upd
LEFT JOIN cur ON cur.substanceId = upd.substanceId
UNION ALL
SELECT COALESCE(upd.id, cur.id) AS id,
COALESCE(upd.substanceId, cur.substanceId) AS substanceId,
COALESCE(upd.txt, cur.txt) AS txt
FROM upd
RIGHT JOIN cur ON cur.substanceId = upd.substanceId
),
obj AS (
SELECT DISTINCT id, JSON_OBJECT('substanceId', substanceId, 'text', txt) AS o
FROM allv
),
arr AS (
SELECT id, JSON_ARRAYAGG(o) AS a
FROM obj
GROUP BY id
)
UPDATE test
JOIN arr ON test.id = arr.id
SET test.j = arr.a
;
SELECT JSON_PRETTY(j)
FROM test
Salida:
[
{
"text": "substance_name_183",
"substanceId": 183
},
{
"text": "substance_name_184",
"substanceId": 184
},
{
"text": "substance_name_182_new",
"substanceId": 182
}
]
Tenga en cuenta que esto supone que utiliza un id único valor para distinguir las filas en su tabla. Si usa algo más, deberá cambiar eso en donde id se utiliza en la consulta anterior.
