Refer to Firebase official document Geo queries to understand what Geohash is, why you need to save geo location as Geohash, and how to query them. It will also help you understand limitations of ...
String类型常用于缓存经常访问的数据,如数据库查询结果、网页内容等,以提高访问速度和降低数据库的压力 。 Redis的String数据结构是一种基础的键值对类型。 SET key value - 设置指定key的值。如果key已经存在,这个命令会更新它的值。 SET myKey "myValue" GET key - 获取 ...