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dm: remove a note in validator limitation (#10748)
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ran-huang authored Aug 3, 2022
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Expand Up @@ -276,7 +276,6 @@ DM 增量校验(validator)的简要架构如下所示:
- 上游迁移 DDL 时有以下限制:
- DDL 不能变更主键,不能调整列顺序,不能删除已有列。
- 该表不能被 DROP。
- 不支持开启扩展列。
- 不支持按照 expression 过滤事件的任务。
- 由于 TiDB 和 MySQL 的浮点数精度有差异,精度范围内误差也会判断为相等(即绝对误差小于 10^-6)。
- 不支持校验的数据类型:
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