# Tests for PERFORMANCE_SCHEMA

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

# Setup

--source ../include/setup_helper.inc

# We use a myisam table here because CREATE TABLE has a known,
# stable behavior (it will lock THR_LOCK_myisam once).
# The point is not to test myisam, but to test that each
# connection is properly instrumented, with one-thread-per-connection

update performance_schema.setup_instruments set enabled='YES'
  where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";

--disable_warnings
drop table if exists test.t1;
drop table if exists test.t2;
drop table if exists test.t3;
--enable_warnings

truncate table performance_schema.events_waits_history_long;

show global variables like "thread_handling";

# Code to test

connection con1;
create table test.t1(a int) engine=MYISAM;

connection con2;
create table test.t2(a int) engine=MYISAM;

connection con3;
create table test.t3(a int) engine=MYISAM;

# Verification

connection default;
--disable_query_log
eval set @tid= $con1_THREAD_ID;
--enable_query_log

execute stmt_dump_events using @tid;
execute stmt_dump_thread using @tid;

--disable_query_log
eval set @tid= $con2_THREAD_ID;
--enable_query_log

execute stmt_dump_events using @tid;
execute stmt_dump_thread using @tid;

--disable_query_log
eval set @tid= $con3_THREAD_ID;
--enable_query_log

execute stmt_dump_events using @tid;
execute stmt_dump_thread using @tid;

# Cleanup

drop table test.t1;
drop table test.t2;
drop table test.t3;

--source ../include/cleanup_helper.inc