Redis eval命令踩得那些坑

[hackfengJam]

根据 key 是否存在，返回 404

BAD

local rst = redis.call("hmget",KEYS[1],"remain","lock",ARGV[1])
rst[1] == nil then
    return 404
end

GOOD

local rst = redis.call("hmget",KEYS[1],"remain","lock",ARGV[1])
rst[1] == nil or rst[1] == false then
    return 404
end

[hackfengJam]

• https://github.com/nethibernate/blog/issues/7