【数据存储】备份恢复演练：随机时间点恢复测试的数据校验

local pool = { "裁决收藏家", "沙城老李", "祖玛猎人" }
local function buildPlan(sampleN)
    local plan = {}
    for i = 1, math.min(sampleN, #pool) do
        local nm = pool[i]
        local p = getplayerbyname(nm)
        if p and isplayer(p) then
            plan[nm] = getbaseinfo(p, 6)
        end
    end
    return plan
end

local function compare(plan, restoreTab)
    local bad, total = 0, 0
    for nm, lv in pairs(plan) do
        total = total + 1
        if (restoreTab[nm] or -1) ~= lv then
            bad = bad + 1
        end
    end
    if bad > 0 then
        sendmail("#运维老张", 912, "恢复演练差异报告",
            "抽样 " .. total .. " 个，差异 " .. bad .. " 个，演练判不通过", "")
    end
    return bad
end