"{"source":"self","id":"13","name":"01.mp4","length":0}"
"{"source":"self","id":"13","name":"01.mp4","length":0}"
"{"size":3556197,"length":0,"source":"self","status":"none","name":"\u662f\u662f\u662f1.mp4","id":9}"
"{"size":3869713,"length":0,"source":"self","status":"none","name":"\u662f\u662f\u662f2.mp4","id":10}"
字段类型为text,类型也不能改,
JSON_EXTRACT(( cast(字段 as josn),"$.id") 也不行,查询是空值。
如何取出字段中id对应的数字?