Quelle  no_threads.test  Sprache: unbekannt

# Tests for PERFORMANCE_SCHEMA

--source include/not_embedded.inc
--source include/have_perfschema.inc
--disable_service_connection

# Setup : in this main thread

update performance_schema.setup_instruments set enabled='NO';
update performance_schema.setup_consumers set enabled='YES';
update performance_schema.setup_instruments set enabled='YES'
  where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";

truncate table performance_schema.events_waits_current;
truncate table performance_schema.events_waits_history;
truncate table performance_schema.events_waits_history_long;

show global variables like "thread_handling";

# Make sure no thread instrumentation is lost
show status like "Performance_schema_thread_instances_lost";

# Code to test : in this main thread

create table test.t1(a int) engine=MYISAM;

show global variables like "performance_schema";
show global variables like "performance_schema_max_thread%";

# Verification : in this main thread

select count(*) from performance_schema.threads
  where name like "thread/sql/main";

select count(*) from performance_schema.threads
  where name like "thread/sql/OneConnection";

select event_name, operation,
  left(source, locate(":", source)) as short_source
  from performance_schema.events_waits_current;

select event_name, operation,
  left(source, locate(":", source)) as short_source
  from performance_schema.events_waits_history;

select event_name, operation,
  left(source, locate(":", source)) as short_source
  from performance_schema.events_waits_history_long;

# Cleanup

update performance_schema.setup_instruments set enabled='YES';

drop table test.t1;