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Do not allow cardinality to go below 1
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songrijie committed Sep 11, 2024
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Expand Up @@ -165,6 +165,7 @@ TiDB 版本:8.4.0
- 优化扫描大量 region 场景下的执行效率 [#issue号](链接) @[贡献者 GitHub ID](链接) **tw@xxx** <!--1902-->
- 优化 MEMDB 实现,降低事务中的写操作延时 [#issue号](链接) @[贡献者 GitHub ID](链接) **tw@xxx** <!--1892-->
- 优化处理大量数据的 DML 性能 [#50215](https://github.com/pingcap/tidb/issues/50215) @[ekexium](https://github.com/ekexium) **tw@qiancai** <!--1860-->
- 优化器估行的最小值为`1`,与其他数据库行为一致 [#47400](https://github.com/pingcap/tidb/issues/47400) @[terry1purcell](https://github.com/terry1purcell) **tw@Oreoxmt** <!--1929-->

+ TiKV

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