
 Description
 
 Truncates all summary tables within Performance Schema, 
 resetting all aggregated instrumentation as a snapshot.
 
 Parameters
 
 in_verbose (BOOLEAN):
 Whether to print each TRUNCATE statement before running
 
 Example
 
 mysql> CALL sys.ps_truncate_all_tables(false);
 +---------------------+
 | summary             |
 +---------------------+
 | Truncated 44 tables |
 +---------------------+
 1 row in set (0.10 sec)
 
 Query OK, 0 rows affected (0.10 sec)
 