字符串我正在用这样的数据库结构的应用:更新在多个地点的火力
{
"Locations": {
"location1": {
"name": "Nice location"
}
},
"User_posts": {
"user1": {
"post1": {
"location_name": "Nice location",
"location_id": "location1",
"description": "Wow!"
},
"post2": {
"location_name": "Nice location",
"location_id": "location1",
"description": "Nice"
}
}
}
如果我必须要改变LOCATION1名,如何改变这一切LOCATION_NAME这么所有用户的帖子呢?我必须先下载所有数据并更新它,或者有其他方法?
我认为在用户输入帖子时只使用位置ID来获取每个位置的位置名称并不是一个好主意。
你应该看看这个https://www.youtube.com/watch?v=WacqhiI-g_o&list=PLl-K7zZEsYLlP-k-RKFa7RyNPa9_wCH2s它会让一切变得清晰 – cutiko