SHOW STATUS WHERE

When you use SHOW STATUS can can restrict with the LIKE syntax, allowing for a subset of values. For example:

mysql> SHOW GLOBAL STATUS LIKE 'Com%';
+--------------------------+-------+
| Variable_name            | Value |
+--------------------------+-------+
| Com_admin_commands       | 0     |
| Com_alter_db             | 0     |
| Com_alter_table          | 0     |
| Com_analyze              | 0     |
| Com_backup_table         | 0     |
| Com_begin                | 0     |
| Com_change_db            | 0     |
| Com_change_master        | 0     |
...

That’s great, but sometimes you want specific values. Using WHERE can achieve this. For Example.

mysql> SHOW GLOBAL STATUS WHERE VARIABLE_NAME IN (’Com_insert’,'Innodb_buffer_pool_pages_latched’,'threads_running’);
+----------------------------------+-------+
| Variable_name                    | Value |
+----------------------------------+-------+
| Com_insert                       | 0     |
| Innodb_buffer_pool_pages_latched | 0     |
| Threads_running                  | 1     |
+----------------------------------+-------+
3 rows in set (0.00 sec)

Cool, the downside is you loose the wildcard capability, however you can string commands together with LIKE

mysql> SHOW GLOBAL STATUS WHERE VARIABLE_NAME LIKE 'innodb%' OR VARIABLE_NAME LIKE  'com%';
Tagged with: Databases MySQL

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