local function delete_from_sorted_set(name, digest)
local per = 50 local total = redis.call("zcard", name) local index = 0 local result while (index < total) do local items = redis.call("ZRANGE", name, index, index + per -1) for _, item in pairs(items) do if string.find(item, digest) then redis.call("ZREM", name, item) result = item break end end index = index + per end return result
end