SHOW STATS_META
你可以通过 SHOW STATS_META 来查看表的总行数以及修改的行数等信息，可以通过 ShowLikeOrWhere 来筛选需要的信息。
目前 SHOW STATS_META 会输出以下列：
| 列名 | 说明 |
|---|---|
| Db_name | 数据库名 |
| Table_name | 表名 |
| Partition_name | 分区名 |
| Update_time | 更新时间 |
| Modify_count | 修改的行数 |
| Row_count | 总行数 |
| Last_analyze_time | 表上次被分析的时间 |
语法图
- ShowStatsMetaStmt
- ShowLikeOrWhere
ShowStatsMetaStmt ::=
"SHOW" "STATS_META" ShowLikeOrWhere?
ShowLikeOrWhere ::=
"LIKE" SimpleExpr
| "WHERE" Expression
示例
SHOW STATS_META;
+---------+------------+----------------+---------------------+--------------+-----------+---------------------+
| Db_name | Table_name | Partition_name | Update_time | Modify_count | Row_count | Last_analyze_time |
+---------+------------+----------------+---------------------+--------------+-----------+---------------------+
| test | t0 | | 2025-07-27 16:58:00 | 0 | 0 | 2025-07-27 16:58:00 |
| test | t1 | | 2025-07-27 16:58:04 | 0 | 0 | 2025-07-27 16:58:04 |
| test | t2 | | 2025-07-27 16:58:11 | 0 | 0 | 2025-07-27 16:58:11 |
| test | s | | 2025-07-27 19:46:43 | 0 | 0 | 2025-07-27 19:46:43 |
| test | t | | 2025-07-27 12:04:21 | 0 | 0 | 2025-07-27 12:04:21 |
+---------+------------+----------------+---------------------+--------------+-----------+---------------------+
5 rows in set (0.00 sec)
SHOW STATS_META WHERE table_name = 't2';
+---------+------------+----------------+---------------------+--------------+-----------+---------------------+
| Db_name | Table_name | Partition_name | Update_time | Modify_count | Row_count | Last_analyze_time |
+---------+------------+----------------+---------------------+--------------+-----------+---------------------+
| test | t2 | | 2025-07-27 16:58:11 | 0 | 0 | 2025-07-27 16:58:11 |
+---------+------------+----------------+---------------------+--------------+-----------+---------------------+
1 row in set (0.00 sec)
MySQL 兼容性
该语句是 TiDB 对 MySQL 语法的扩展。