title | summary |
---|---|
TABLE_STORAGE_STATS |
Learn the `TABLE_STORAGE_STATS` information_schema table. |
The TABLE_STORAGE_STATS
table provides information about table sizes as stored by the storage engine (TiKV).
{{< copyable "sql" >}}
USE information_schema;
DESC table_storage_stats;
+--------------------+-------------+------+------+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+--------------------+-------------+------+------+---------+-------+
| TABLE_SCHEMA | varchar(64) | YES | | NULL | |
| TABLE_NAME | varchar(64) | YES | | NULL | |
| TABLE_ID | bigint(21) | YES | | NULL | |
| PEER_COUNT | bigint(21) | YES | | NULL | |
| REGION_COUNT | bigint(21) | YES | | NULL | |
| EMPTY_REGION_COUNT | bigint(21) | YES | | NULL | |
| TABLE_SIZE | bigint(64) | YES | | NULL | |
| TABLE_KEYS | bigint(64) | YES | | NULL | |
+--------------------+-------------+------+------+---------+-------+
8 rows in set (0.00 sec)
{{< copyable "sql" >}}
CREATE TABLE test.t1 (id INT);
INSERT INTO test.t1 VALUES (1);
SELECT * FROM table_storage_stats WHERE table_schema = 'test' AND table_name = 't1'\G
*************************** 1. row ***************************
TABLE_SCHEMA: test
TABLE_NAME: t1
TABLE_ID: 56
PEER_COUNT: 1
REGION_COUNT: 1
EMPTY_REGION_COUNT: 1
TABLE_SIZE: 1
TABLE_KEYS: 0
1 row in set (0.00 sec)