Single Table #
Syntax #
SHOW DEFAULT SINGLE TABLE STORAGE UNIT [FROM databaseName]
SHOW SINGLE (TABLES | table) [FROM databaseName]
COUNT SINGLE_TABLE RULE [FROM databaseName]
table:
TABLE tableName
Return Value Description #
Single Table Storage Unit #
Column | Description |
---|---|
storage_unit_name | Storage unit name |
Single Table #
Column | Description |
---|---|
table_name | Single table name |
resource_name | The resource name where the single table is located |
Single Table Rule Count #
Column | Description |
---|---|
rule_name | Single table rule name |
database | The database name where the single table is located |
count | The count of single table rules |
Example #
SHOW DEFAULT SINGLE TABLE STORAGE UNIT
sql> SHOW DEFAULT SINGLE TABLE STORAGE UNIT;
+-------------------+
| storage_unit_name |
+-------------------+
| ds_0 |
+-------------------+
1 row in set (0.01 sec)
SHOW SINGLE TABLE tableName
sql> SHOW SINGLE TABLE t_single_0;
+----------------+---------------+
| table_name | resource_name |
+----------------+---------------+
| t_single_0 | ds_0 |
+----------------+---------------+
1 row in set (0.01 sec)
SHOW SINGLE TABLES
mysql> SHOW SINGLE TABLES;
+--------------+---------------+
| table_name | resource_name |
+--------------+---------------+
| t_single_0 | ds_0 |
| t_single_1 | ds_1 |
+--------------+---------------+
2 rows in set (0.02 sec)
COUNT SINGLE_TABLE RULE
mysql> COUNT SINGLE_TABLE RULE;
+--------------+----------+-------+
| rule_name | database | count |
+--------------+----------+-------+
| t_single_0 | ds | 2 |
+--------------+----------+-------+
1 row in set (0.02 sec)