| ##插入json數據相似字符串，可是會校驗json格式json INSERT INTO `ppfdb`.`pm_user_info` (`user_id`, `uuid`, `user_gender`, `user_image_url`, `user_birthday`, `user_real_name`, `user_real_name_helper`,數組
`user_login_name`, `user_login_password`, `pwd_reset_time`, `user_mobile`, `user_email`, `user_email_activate`, `admin_flag`, `user_id_card`, app
`user_status`, `blocked_until`, `user_remark`, `registration_ip`, `last_login_ip`, `last_login_time`, `last_client_type`, `add_by`, `add_name`, ui
`add_time`, `last_edit_by`, `last_edit_name`, `last_edit_time`, `del_flag`, `custom_data`) url
VALUES (null, '2133ewdqawer', '2', NULL, '2017-07-21', '小麥', 'xm', 'xiaomai5', '121212', NULL, '18698563618', NULL, b'0', b'0', NULL, b'0', NULL, NULL, NULL, spa
NULL, NULL, NULL, '0', 'SYS', '2017-07-21 09:03:31', NULL, NULL, NULL, b'0', '{"color":"red"}');code
##"material": ip select custom_data from pm_user_info;ci
##獲取json字段全部key值rem
select user_id, user_login_name, json_keys(custom_data) as 'keys' from pm_user_info;
##根據key獲取值，json_extract別名爲->
select user_id, user_login_name, json_extract(custom_data, '$.add_by') as 'value' from pm_user_info;
select user_id, user_login_name, custom_data->>'$.add_by' as 'value' from pm_user_info;
select user_id, user_login_name, custom_data->'$.add_by' as 'value' from pm_user_info;
##根據key刪除值 update pm_user_info set custom_data = json_remove(custom_data, '$.color');
##是否包含鍵或值
select user_id, user_login_name, json_contains_path(custom_data, 'all', '$.material', '$.test') from pm_user_info;##判斷是否包含全部鍵
select user_id, user_login_name, json_contains(custom_data, '"Fi"', '$.material') from pm_user_info
where json_contains(custom_data, '"Fi"', '$.material') = 1;##判斷是否包含指定值
##根據json值做爲條件進行查詢
select user_id, user_login_name, json_extract(custom_data, '$.material') as material from pm_user_info
where custom_data->'$.material'='Fi' order by custom_data->'$.material';
##在json字段內添加或修改值
update pm_user_info set custom_data=json_set(custom_data,'$.add_by','hxm');
update pm_user_info set custom_data=json_set(custom_data,'$.diameter',custom_data->'$.diameter' + 1);
update pm_user_info set custom_data = '{"color":"red"}' where user_id = 1;
##以數組形式拼接一個值
update pm_user_info set custom_data=json_array_append(custom_data,'$.diameter',123);
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