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release-8.3.0.md: refine the description of #54565 (#18461) #18462

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Aug 27, 2024
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release-8.3.0.md: refine the description of #54565 (#18461) #18462

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2 changes: 1 addition & 1 deletion releases/release-8.3.0.md
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Expand Up @@ -261,7 +261,7 @@ TiDB 版本：8.3.0
- 支持为形如 `((idx_col_1 > 1) or (idx_col_1 = 1 and idx_col_2 > 10)) and ((idx_col_1 < 10) or (idx_col_1 = 10 and idx_col_2 < 20))` 的过滤条件构造更精准的索引访问 Range [#54337](https://github.com/pingcap/tidb/issues/54337) @[ghazalfamilyusa](https://github.com/ghazalfamilyusa)
- 支持形如 `WHERE idx_col_1 IS NULL ORDER BY idx_col_2` 的 SQL 查询利用索引顺序避免额外排序操作 [#54188](https://github.com/pingcap/tidb/issues/54188) @[ari-e](https://github.com/ari-e)
- 在系统表 `mysql.analyze_jobs` 中显示被 `ANALYZE` 过的索引 [#53567](https://github.com/pingcap/tidb/issues/53567) @[hi-rustin](https://github.com/Rustin170506)
- `EXPLAIN` 语句支持应用 `tidb_redact_log` [#54565](https://github.com/pingcap/tidb/issues/54565) @[hawkingrei](https://github.com/hawkingrei)
- `EXPLAIN` 语句支持应用 `tidb_redact_log`，并进一步优化了日志记录的处理逻辑 [#54565](https://github.com/pingcap/tidb/issues/54565) @[hawkingrei](https://github.com/hawkingrei)
- 支持在多值索引的 `IndexRangeScan` 上生成 `Selection`，以提高查询效率 [#54876](https://github.com/pingcap/tidb/issues/54876) @[time-and-fate](https://github.com/time-and-fate)
- 支持在设定的自动 `ANALYZE` 时间窗口外终止正在执行的自动 `ANALYZE` 任务 [#55283](https://github.com/pingcap/tidb/issues/55283) @[hawkingrei](https://github.com/hawkingrei)
- 当某个统计信息完全由 TopN 构成，且对应表的统计信息中修改行数不为 0 时，对于未命中 TopN 的等值条件，估算结果从 0 调整为 1 [#47400](https://github.com/pingcap/tidb/issues/47400) @[terry1purcell](https://github.com/terry1purcell)
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