# Tests for PERFORMANCE_SCHEMA

#setup
let $select_column = count(*);
let $table = performance_schema.mutex_instances;

create database explain_test_db;
create table explain_test_db.explain_test_table (c int) engine = XENGINE;
lock table explain_test_db.explain_test_table write;

connect(con1, 127.0.0.1, root,,);
--echo # Connection con1
--connection con1
# Following sql will hang
--send
insert into explain_test_db.explain_test_table values ('1');

--echo # Connection default
--connection default

select OBJECT_INSTANCE_BEGIN, NAME, LOCKED_BY_THREAD_ID
  from performance_schema.mutex_instances
  where LOCKED_BY_THREAD_ID is not NULL
  limit 1
  into @oib, @name, @lbtid;

###########################################################################
# Test index on OBJECT_INSTANCE_BEGIN
###########################################################################

let $column_count = 1;
let $col1 = OBJECT_INSTANCE_BEGIN;
let $col1_act = @oib;

--source ../include/idx_explain_test.inc

###########################################################################
# Test index on NAME
###########################################################################

let $column_count = 1;
let $col1 = NAME;
let $col1_act = @name;

--source ../include/idx_explain_test.inc

###########################################################################
# Test index on LOCKED_BY_THREAD_ID
###########################################################################

let $column_count = 1;
let $col1 = LOCKED_BY_THREAD_ID;
let $col1_act = @lbtid;

--source ../include/idx_explain_test.inc

# Cleanup
unlock tables;
--echo # connection con1
--connection con1
--reap

--echo # connection default
--connection default
--disconnect con1
drop table explain_test_db.explain_test_table;
drop database explain_test_db;