PingKai Logo下载

SHOW STATS_META

你可以使用 SHOW STATS_META 查看某个表中的行数以及该表中被更改的行数。在使用该语句时,可以通过 ShowLikeOrWhere 子句过滤所需的信息。

目前,SHOW STATS_META 语句输出以下列:

列名描述
Db_name数据库名称
Table_name表名称
Partition_name分区名称
Update_time最后更新时间
Modify_count被修改的行数
Row_count总行数
Last_analyze_time表最后一次被分析的时间

语法

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。

另请参阅