From 7f94f8a1eec07f36a82ce0cc1293b640b5168557 Mon Sep 17 00:00:00 2001 From: time-and-fate <25057648+time-and-fate@users.noreply.github.com> Date: Fri, 28 Feb 2025 18:35:52 +0800 Subject: [PATCH 1/4] add --- mysql-schema/mysql-schema.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/mysql-schema/mysql-schema.md b/mysql-schema/mysql-schema.md index 4f4d18bb323d..05c0abde0bf0 100644 --- a/mysql-schema/mysql-schema.md +++ b/mysql-schema/mysql-schema.md @@ -47,6 +47,9 @@ summary: 了解 TiDB 系统表。 * `stats_extended` 扩展统计信息，比如列之间的顺序相关性 * `stats_feedback` 统计信息的查询反馈 * `stats_fm_sketch` 统计信息列的直方图 FMSketch 分布 +* `stats_table_locked` 被锁定的统计信息 +* `stats_meta_history` 历史统计信息中的元信息部分 +* `stats_history` 历史统计信息中的其它部分 * `analyze_options` 各个表默认的 `analyze` 参数 * `column_stats_usage` 列统计信息的使用情况 * `analyze_jobs` 正在执行的统计信息收集任务以及过去 7 天内的历史任务记录 @@ -56,6 +59,11 @@ summary: 了解 TiDB 系统表。 * `bind_info` 执行计划的绑定信息 * `capture_plan_baselines_blacklist` 关于自动绑定执行计划对象的黑名单 +## PLAN REPLAYER 相关系统表 + +* `plan_replayer_status` 用户注册的 PLAN REPLAYER CAPTURE 抓取任务 +* `plan_replayer_task` PLAN REPLAYER CAPTURE 抓取结果 + ## GC Worker 相关系统表 * `gc_delete_range` 需要被 GC worker 定期删除的 KV 范围段 @@ -107,3 +115,4 @@ summary: 了解 TiDB 系统表。 * `opt_rule_blacklist` 逻辑优化规则的黑名单 * `tidb_import_jobs` 记录 [`IMPORT INTO`](/sql-statements/sql-statement-import-into.md) 任务信息 * `tidb_timers` 存储了内部定时器的相关元信息 +* `advisory_locks` 存储了[锁函数](/functions-and-operators/locking-functions.md)相关的信息 From 46fe0dc71de45865189e0f766e0dced71acae3dd Mon Sep 17 00:00:00 2001 From: time-and-fate <25057648+time-and-fate@users.noreply.github.com> Date: Fri, 28 Feb 2025 18:53:56 +0800 Subject: [PATCH 2/4] address comments --- mysql-schema/mysql-schema.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mysql-schema/mysql-schema.md b/mysql-schema/mysql-schema.md index 05c0abde0bf0..0558fa835dda 100644 --- a/mysql-schema/mysql-schema.md +++ b/mysql-schema/mysql-schema.md @@ -61,8 +61,8 @@ summary: 了解 TiDB 系统表。 ## PLAN REPLAYER 相关系统表 -* `plan_replayer_status` 用户注册的 PLAN REPLAYER CAPTURE 抓取任务 -* `plan_replayer_task` PLAN REPLAYER CAPTURE 抓取结果 +* `plan_replayer_status` 用户注册的 [PLAN REPLAYER CAPTURE](/sql-plan-replayer.md#使用-plan-replayer-capture-功能) 抓取任务 +* `plan_replayer_task` [PLAN REPLAYER CAPTURE](/sql-plan-replayer.md#使用-plan-replayer-capture-功能) 抓取结果 ## GC Worker 相关系统表 From ef7d69d30242d0c277333fdace62a4c1471e51e0 Mon Sep 17 00:00:00 2001 From: Aolin Date: Mon, 3 Mar 2025 14:33:47 +0800 Subject: [PATCH 3/4] Apply suggestions from code review --- mysql-schema/mysql-schema.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mysql-schema/mysql-schema.md b/mysql-schema/mysql-schema.md index 0558fa835dda..216dbde8a161 100644 --- a/mysql-schema/mysql-schema.md +++ b/mysql-schema/mysql-schema.md @@ -61,8 +61,8 @@ summary: 了解 TiDB 系统表。 ## PLAN REPLAYER 相关系统表 -* `plan_replayer_status` 用户注册的 [PLAN REPLAYER CAPTURE](/sql-plan-replayer.md#使用-plan-replayer-capture-功能) 抓取任务 -* `plan_replayer_task` [PLAN REPLAYER CAPTURE](/sql-plan-replayer.md#使用-plan-replayer-capture-功能) 抓取结果 +* `plan_replayer_status` 存储用户注册的 [`PLAN REPLAYER CAPTURE`](/sql-plan-replayer.md#使用-plan-replayer-capture-功能) 抓取任务 +* `plan_replayer_task` 存储 [`PLAN REPLAYER CAPTURE`](/sql-plan-replayer.md#使用-plan-replayer-capture-功能) 抓取结果 ## GC Worker 相关系统表 From 31e3bbc626026719f90d00c319b282b7a29828ef Mon Sep 17 00:00:00 2001 From: Aolin Date: Tue, 4 Mar 2025 14:04:01 +0800 Subject: [PATCH 4/4] Apply suggestions from code review Co-authored-by: Grace Cai --- mysql-schema/mysql-schema.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mysql-schema/mysql-schema.md b/mysql-schema/mysql-schema.md index 216dbde8a161..3c117aab0353 100644 --- a/mysql-schema/mysql-schema.md +++ b/mysql-schema/mysql-schema.md @@ -114,5 +114,5 @@ summary: 了解 TiDB 系统表。 * `expr_pushdown_blacklist` 表达式下推的黑名单 * `opt_rule_blacklist` 逻辑优化规则的黑名单 * `tidb_import_jobs` 记录 [`IMPORT INTO`](/sql-statements/sql-statement-import-into.md) 任务信息 -* `tidb_timers` 存储了内部定时器的相关元信息 -* `advisory_locks` 存储了[锁函数](/functions-and-operators/locking-functions.md)相关的信息 +* `tidb_timers` 存储内部定时器的相关元信息 +* `advisory_locks` 存储[锁函数](/functions-and-operators/locking-functions.md)相关的信息