关于mysql中的json解析函数JSON_EXTRACT

{ "info" : { "color" : "白色", "inner_color" : "米色", "number" : "12345678", "reGIStration_date" : "2012-11" },
"accessory" : [ "1", "4", "5", "6", "7", "8", "9", "10" ],
"remark" : "测试"}

select
source->'$.info.color' as color,
replace(source->'$.info.inner_color','"','')  as inner_color,
replace(source->'$.remark','"','')  as remark
from t_table

{
    "no": "7",
    "title": "运动方式",
    "content": [{
        "text": "您平时经常进行的运动及时间",
        "item1": [{
            "text": "慢跑 / 快走 / 走跑结合",
            "type": "select",
            "value": "selected"
        }, {
            "text": "上下楼梯 / 爬山",
            "type": "multselect",
            "value": "selected"
        }],
        "item2": [{
            "text": "慢跑222走跑结合",
            "type": "text",
            "value": "慢跑2"
        }, {
            "text": "上下楼梯 / 爬山2",
            "type": "number",
            "value": "33"
        }]
    }]
}

SELECT
  id,
  json_extract( t.jsonstr, '$.*' ),
  json_extract( t.jsonstr, '$.title' ) AS "title",
  json_extract( t.jsonstr, '$.content' ) AS "content" ,
  json_extract( t.jsonstr, '$**.text' ) AS "text" ,
  json_extract( t.jsonstr, '$.content[*].item1[*]' ) AS "item1"
FROM
  json_test t;

//json_extract( t.jsonstr, '$.*' )返回：
["7", "运动方式", [{"text": "您平时经常进行的运动及时间", "item1": [{"text": "慢跑 / 快走 / 走跑结合", "type": "select", "value": "selected"}, {"text": "上下楼梯 / 爬山", "type": "multselect", "value": "selected"}], "item2": [{"text": "慢跑222走跑结合", "type": "text", "value": "慢跑2"}, {"text": "上下楼梯 / 爬山2", "type": "number", "value": "33"}]}]]
//json_extract( t.jsonstr, '$.title' ) AS "title"返回：
"运动方式"
//json_extract( t.jsonstr, '$.content' ) AS "content" 返回：
[{"text": "您平时经常进行的运动及时间", "item1": [{"text": "慢跑 / 快走 / 走跑结合", "type": "select", "value": "selected"}, {"text": "上下楼梯 / 爬山", "type": "multselect", "value": "selected"}], "item2": [{"text": "慢跑222走跑结合", "type": "text", "value": "慢跑2"}, {"text": "上下楼梯 / 爬山2", "type": "number", "value": "33"}]}]
//json_extract( t.jsonstr, '$**.text' ) AS "text" 返回：
["您平时经常进行的运动及时间", "慢跑 / 快走 / 走跑结合", "上下楼梯 / 爬山", "慢跑222走跑结合", "上下楼梯 / 爬山2"]
//json_extract( t.jsonstr, '$.content[*].item1[*]' ) AS "item1" 返回：
[{"text": "慢跑 / 快走 / 走跑结合", "type": "select", "value": "selected"}, {"text": "上下楼梯 / 爬山", "type": "multselect", "value": "selected"}]