• OBJECT_SCHEMA 

The schema that contains the object. This should be a literal name, or ’%’  to mean “any schema.” 

• OBJECT_NAME 

The name of the instrumented object. This should be a literal name, or ’%’  to mean “any object.” 

• ENABLED 

Whether events for the object are instrumented. The value is YES  or NO . This column can be modified. 

• TIMED 

Whether events for the object are timed. This column can be modified. 

The setup_objects  table has these indexes: 

•Index on ( OBJECT_TYPE , OBJECT_SCHEMA , OBJECT_NAME ) 

TRUNCATE TABLE  is permitted for the setup_objects  table. It removes the rows. 

## 27.12.2.5 The setup_threads Table 

The setup_threads  table lists instrumented thread classes. It exposes thread class names and attributes: 

mysql> SELECT * FROM performance_schema.setup_threads\G *************************** 1. row *************************** NAME: thread/performance_schema/setup ENABLED: YES HISTORY: YES PROPERTIES: singleton VOLATILITY: 0 DOCUMENTATION: NULL ... *************************** 4. row *************************** NAME: thread/sql/main ENABLED: YES HISTORY: YES PROPERTIES: singleton VOLATILITY: 0 DOCUMENTATION: NULL *************************** 5. row *************************** NAME: thread/sql/one_connection ENABLED: YES HISTORY: YES PROPERTIES: user VOLATILITY: 0 DOCUMENTATION: NULL ... *************************** 10. row *************************** NAME: thread/sql/event_scheduler ENABLED: YES HISTORY: YES PROPERTIES: singleton VOLATILITY: 0 DOCUMENTATION: NULL 

The setup_threads  table has these columns: 

• NAME 

