關於MySQL中查詢JSON對象中的數據,(JSON_EXTRACT函數用法示例)(或拉姆達表達式取json數據 ->'$' )
SELECT
A.FormData->'$.Controls[21].Value' AS NotificationNumber,
JSON_EXTRACT(A.FormData, '$.Controls[21].Value') AS NotificationNumber
FROM
BIFlowState AS A
WHERE
(A.IsDelete = 0) AND (A.Status = 20)