【运维发布】版本回滚兼容窗口：表结构与代码的回退顺序** <!--TAGS: 运维发布,回滚,兼容

local function savePlayerField(actor, val)
    local player = class(actor)
    setplayvar(actor, "HUMAN", "TITLE_V2", val, 1)
    setplayvar(actor, "HUMAN", "TITLE_V1", val, 1)
end
local function loadPlayerField(actor)
    local player = class(actor)
    local v = getplayvar(actor, 2, "TITLE_V2")
    if v == nil or v == "" then
        v = getplayvar(actor, 2, "TITLE_V1")
    end
    return v
end

local function markRollbackStage(stage)
    setsysvarex("RB_STAGE", stage, 1)
    if stage == "code_back" then
        setsysvar("FEATURE_V2", 0)
    elseif stage == "data_clean" then
        setsysvar("RB_ALLOW_DEL", 1)
    end
end