blob: c80639a57997eb7425f24f8b8b54d167678b6c93 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
# Tests for PERFORMANCE_SCHEMA
--source include/not_embedded.inc
--source include/have_perfschema.inc
--source ../include/start_server_common.inc
#############################
# Setup database and tables.
#############################
--disable_warnings
drop table if exists db1.t1;
drop database if exists db1;
--enable_warnings
create database db1;
create table db1.t1 (a int, b char(10) default 'default');
#######################
# Execute few queries.
#######################
insert into db1.t1 values('1', 'abc');
insert into db1.t1 values('2', 'abc');
select * from db1.t1 where a='1';
#####################################################
# Run few queries on Performance Schema stats tables.
#####################################################
# There should be 3 entries in following table. 2 for insert and 1 for select.
# This is because lock stats are still in the table handles
select COUNT_STAR from performance_schema.table_lock_waits_summary_by_table
where OBJECT_SCHEMA='db1' and OBJECT_NAME='t1';
# Now force aggregation by closing table handles
FLUSH TABLES;
select COUNT_STAR from performance_schema.table_lock_waits_summary_by_table
where OBJECT_SCHEMA='db1' and OBJECT_NAME='t1';
# Expect TABLE_LOCK_STAT lost
--disable_warnings
select variable_value > 0 from information_schema.global_status
where variable_name like 'PERFORMANCE_SCHEMA_TABLE_LOCK_STAT_LOST';
# While at it, check that FLUSH STATUS Resets the lost counter
FLUSH STATUS;
select variable_value from information_schema.global_status
where variable_name like 'PERFORMANCE_SCHEMA_TABLE_LOCK_STAT_LOST';
--enable_warnings
###########
# Cleanup.
###########
drop database db1;
|
