Redis lua hmset unpack
Web27. apr 2016 · Suppose an use case: I wanna store authentication tokens in redis that is associated with a client application. The best way to implement this is use a hash table which key is the application id and the field is the token id and the value of the field is … Web业务场景: redis数据切换到Oracle,取消持久化,redis只做缓存. 具体需求: 从redis从库里获得了400w个无过期时间的hashkey,需要在主库中将其删除. 矛盾点: 1.如果直接批量 …
Redis lua hmset unpack
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Weblocal obj = redis.call ('HGETALL', key) local len = #obj -- print ('HGETALL ', key, unpack (obj)) -- Each prop:value of the hash comes back as a {prop, value} -- pair from the HGETALL command, iterate through to build table while i < len do local prop = obj [i + 1] local val = obj [i + 2] -- Check if we have a nested field Web14. apr 2024 · 在Redis集群模式下,使用Lua脚本的方法与单节点模式基本相同。以下是使用Lua脚本的步骤: 1. 编写Lua脚本,可以使用Redis提供的一些API,如redis.call() …
Web25. júl 2024 · However, you probably can achieve the same performance using Redis Pipeline feature. Depending on the use cases, this scripting ability is available if you have … Webtyp, 2) end end end end self._subscribed = false local ok, err if unix then -- second argument of sock:connect() cannot be nil if port_or_opts ~= nil then ok, err = sock:connect(host, …
Web在 Lua 脚本中,可以使用两个不同函数来执行 Redis 命令,它们分别是: redis.call () 和 redis.pcall () 这两个函数的唯一区别在于它们使用不同的方式处理执行命令所产生的错误,差别如下: 错误处理 当 redis.call () 在执行命令的过程中发生错误时,脚本会停止执行,并返回一个脚本错误,错误的输出信息会说明错误造成的原因: Webthe lua api of redis seems a bit un-lua like, redis.exists('key') would be better also, returning a boolean for exists instead of a number, but it's such a small nit-pick that it hardly wants …
Web21. feb 2024 · O (1) Redis commands. EC2 rx is higher when using Lua, likely due to the 32-character EVALSHA being longer than the raw commands. Commands/sec was increased …
Weblocal res = redis.call ( "HMSET", KEYS [ 1 ], unpack (a)) 问题是应用程序将两个参数传递给脚本,键和 argv 转换为字符串。 调用 unpack (a) 产生一个值。 修复方法是将每个参数分别 … harrow hornchurchWebredis 没有提供直接批量删除key的命令。 key不多的话可以一条以条的删除 redis可以用flushdb/flushall删除所有的key。 用del只能根据key去删除。 另外一种方式,你可以通过设置过期时间让key到期自动删除。 redis可以用flushdb/flushall删除所有的key。 用del只能根据key去删除。 另外一种方式,你可以通过设置过期时间让key到期自动删除。 在不影响性 … char hope harford countyhttp://haodro.com/archives/6421 harrow hr schoolsWebDownload ZIP Two Lua scripts for Redis to turn HGETALL and HMGET into dictionary tables Raw gistfile1.lua -- gets all fields from a hash as a dictionary local hgetall = function (key) … harrow hpsWeb3D builder如何将正方体棱边变光滑. 第一步:将所选长方体转换为多边形。 第二步:进入边层级,选择所需要的边。 char hope quotes and imagesIt seems the confusion came from the fact the Redis-Py I am using takes indeed two arguments: hmset (name, mapping) - the latter being a Python dict. And it seems what finally worked for me inside the Lua script: redis.call ('HMSET', key_name, unpack (tmp_val)) worked because unpack returns a list of unpacked values of the associative array. harrow httWeb6. nov 2024 · 实际上,您可以在这里用hset替换hmset,但我们先让它工作。 在这一行中: local res = redis.call('hmset', KEYS[1], ARGV[1]) 您只使用两个参数调用hmset,即包含哈希 … harrow ht-vc628