商品利润镜像:超宽表非键列存 TEXT,并在首次全量完成前不对外使用 #427
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jst_goods_profit_kpi_items_afs 有 160+ 个 nvarchar 列,全部按 VARCHAR 建表触发 InnoDB 行长度上限(>8126)。增加 wide_strings 数据集选项:非键/非索引列改存 TEXT;页面在首次全量完成前回退旧数据源,避免读到不完整明细。