Laravel - 高速缓存口才与频繁的更新 [英] Laravel - Caching Eloquent with Frequent Updates

问题描述

可以在经常修改的对象上使用缓存吗？例如，假设我们有一个BlogPost对象，并且有一个num_of_views列（等）经常发生变化。是否可以在缓存和数据库中更新num_of_views字段，而不会破坏缓存对象并重新创建它？我可以手动执行，但我担心同步问题。

Is it possible to use caching on an object that will be frequently modified? For instance, let's say we have a BlogPost object, and there's a num_of_views column (amongst others) that frequently changes. Is it possible to update the num_of_views field, both in cache and in the DB, without destroying the cache object and recreating it? I can do it manually, however I worry about sync issues.

推荐答案

是的，是的。我不知道你如何做缓存，但是您可以随时替换缓存实例：

Yes, it is. I don't know how you are doing cache, but you can replace a cache instance at any time:

public function updatePost($post_id, $num_of_views)
{
    if (Cache::has('POST.'.$post_id))
    {
        $post = Cache::get('POST.'.$post_id);
    }
    else
    {
        $post = Post::find($post_id);
    }

    $post->num_of_views = $num_of_views;

    $post->save();

    Cache::put('POST.'.$post_id, $post);
}

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