MySQL 在SQL中解析JSON字段
jopen
9年前
仅限 MySQL 5.7.9以后版本支持。
mysql> SELECT c, JSON_EXTRACT(c, "$.id"), g > FROM jemp > WHERE JSON_EXTRACT(c, "$.id") > 1 > ORDER BY JSON_EXTRACT(c, "$.name"); +-------------------------------+-----------+------+ | c | c->"$.id" | g | +-------------------------------+-----------+------+ | {"id": "3", "name": "Barney"} | "3" | 3 | | {"id": "4", "name": "Betty"} | "4" | 4 | | {"id": "2", "name": "Wilma"} | "2" | 2 | +-------------------------------+-----------+------+ 3 rows in set (0.00 sec) mysql> SELECT c, c->"$.id", g > FROM jemp > WHERE c->"$.id" > 1 > ORDER BY c->"$.name"; +-------------------------------+-----------+------+ | c | c->"$.id" | g | +-------------------------------+-----------+------+ | {"id": "3", "name": "Barney"} | "3" | 3 | | {"id": "4", "name": "Betty"} | "4" | 4 | | {"id": "2", "name": "Wilma"} | "2" | 2 | +-------------------------------+-----------+------+ 3 rows in set (0.00 sec)
官方文档
http://dev.mysql.com/doc/refman/5.7/en/json-search-functions.html#operator_json-column-path