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hfxsd authored Aug 28, 2023
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Expand Up @@ -85,11 +85,9 @@ TiDB 版本:6.5.4
- 修复 batch coprocessor 重试时可能会生成错误 Region 信息导致查询失败的问题 [#44622](https://github.com/pingcap/tidb/issues/44622) @[windtalker](https://github.com/windtalker)
- 修复带 `indexMerge` 的查询被 kill 时可能会卡住的问题 [#45279](https://github.com/pingcap/tidb/issues/45279) @[xzhangxian1008](https://github.com/xzhangxian1008)
- 修复某些情况下查询系统表 `INFORMATION_SCHEMA.TIKV_REGION_STATUS` 返回结果错误的问题 [#45531](https://github.com/pingcap/tidb/issues/45531) @[Defined2014](https://github.com/Defined2014)
- 修复在创建分区表时使用 `SUBPARTITION` 没有警告提醒的问题 [#41198](https://github.com/pingcap/tidb/issues/41198) [#41200](https://github.com/pingcap/tidb/issues/41200) @[mjonss](https://github.com/mjonss)
- 修复当开启 `tidb_enable_parallel_apply` 时,MPP 模式下的查询结果出错的问题 [#45299](https://github.com/pingcap/tidb/issues/45299) @[windtalker](https://github.com/windtalker)
- 修复开启 `tidb_opt_agg_push_down` 时查询可能返回错误结果的问题 [#44795](https://github.com/pingcap/tidb/issues/44795) @[AilinKid](https://github.com/AilinKid)
- 修复由虚拟列引发的 `can't find proper physical plan` 问题 [#41014](https://github.com/pingcap/tidb/issues/41014) @[AilinKid](https://github.com/AilinKid)
- 修复某些情况下 TiDB 查询 panic 的问题 [#40857](https://github.com/pingcap/tidb/issues/40857) @[Dousir9](https://github.com/Dousir9)
- 修复 `processInfo` 为空导致的 panic 问题 [#43829](https://github.com/pingcap/tidb/issues/43829) @[zimulala](https://github.com/zimulala)
- 修复 `SELECT CAST(n AS CHAR)` 语句中的 `n` 为负数时,查询结果出错的问题 [#44786](https://github.com/pingcap/tidb/issues/44786) @[xhebox](https://github.com/xhebox)
- 修复当使用 MySQL 的 Cursor Fetch 协议时,结果集占用的内存超过 `tidb_mem_quota_query` 的限制导致 TiDB OOM 的问题。修复后,TiDB 会自动将结果集写入磁盘以释放内存资源 [#43233](https://github.com/pingcap/tidb/issues/43233) @[YangKeao](https://github.com/YangKeao)
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