标签： objective-c xcode swift parse-platform
在文档中，它说When an object is pinned, every time you update it by fetching or saving new data, the copy in the local datastore will be updated automatically.
When an object is pinned, every time you update it by fetching or saving new data, the copy in the local datastore will be updated automatically.
但是如果我只想更新一列（一个键）而不必获取整个数据对象呢？有可能吗？