http://schlueters.de/blog/archives/183-MySQL-8.0-JSON-Aggregation-functions.html
origin - http://www.pipiscrew.com/?p=6090 mysql-8-0-json-aggregation-functions
http://schlueters.de/blog/archives/183-MySQL-8.0-JSON-Aggregation-functions.html
origin - http://www.pipiscrew.com/?p=6090 mysql-8-0-json-aggregation-functions