我将我的数据存储在 redis 中.我将它的 guid、createday 和它的大小存储在一个原始数据中.
I store my data in redis. I store in one raw it guid, createday, and it size.
所以我定义如下:
var dbclient1 = db.createClient(); dbclient1.hmset("doc:3743-da23-dcdf-3213", "date", "2015-09-06 00:00:01", "size", "203") dbclient1.zadd("cache", 32131, "37463-da23-dcdf-3213")我希望查看我的数据库中的所有文件.所以我尝试以下操作:
I wish to view all my files in my db. So I try the following:
dbclient1.hgetall("doc:*", function (err, res){ console.log(err) console.log(res) })但 res 是 undefined.我该怎么做?
but res is undefined. How can I do it?
推荐答案HGETALL 返回存储在 key 处的哈希的所有字段和值,您不能指定掩码:redis.io/commands/hgetall
HGETALL returns all fields and values of the hash stored at key, you can't specify a mask: redis.io/commands/hgetall
您可以调用 KEYS doc:* 来获取与您的条件匹配的所有键的列表,然后在循环中获取所有值.
You can call KEYS doc:* to get a list of all keys matching your criteria and then get all values in a loop.
但请在执行此操作之前阅读有关潜在性能影响的部分:redis.io/commands/键
But please read a section on potential performance hit before you do that: redis.io/commands/keys
更多推荐
Redis/获取所有密钥 &来自带有前缀的 redis 值
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