mirror of
https://github.com/MariaDB/server.git
synced 2025-01-30 18:41:56 +01:00
335 lines
12 KiB
Text
335 lines
12 KiB
Text
show databases;
|
|
Database
|
|
information_schema
|
|
mtr
|
|
mysql
|
|
performance_schema
|
|
test
|
|
select count(*) from performance_schema.performance_timers;
|
|
count(*)
|
|
5
|
|
select count(*) from performance_schema.setup_consumers;
|
|
count(*)
|
|
15
|
|
select count(*) > 4 from performance_schema.setup_instruments;
|
|
count(*) > 4
|
|
1
|
|
select count(*) from performance_schema.setup_timers;
|
|
count(*)
|
|
5
|
|
Warnings:
|
|
Warning 1681 'performance_schema.setup_timers' is deprecated and will be removed in a future release
|
|
select * from performance_schema.accounts;
|
|
select * from performance_schema.cond_instances;
|
|
select * from performance_schema.events_stages_current;
|
|
select * from performance_schema.events_stages_history;
|
|
select * from performance_schema.events_stages_history_long;
|
|
select * from performance_schema.events_stages_summary_by_account_by_event_name;
|
|
select * from performance_schema.events_stages_summary_by_host_by_event_name;
|
|
select * from performance_schema.events_stages_summary_by_thread_by_event_name;
|
|
select * from performance_schema.events_stages_summary_by_user_by_event_name;
|
|
select * from performance_schema.events_stages_summary_global_by_event_name;
|
|
select * from performance_schema.events_statements_current;
|
|
select * from performance_schema.events_statements_history;
|
|
select * from performance_schema.events_statements_history_long;
|
|
select * from performance_schema.events_statements_summary_by_account_by_event_name;
|
|
select * from performance_schema.events_statements_summary_by_digest;
|
|
select * from performance_schema.events_statements_summary_by_host_by_event_name;
|
|
select * from performance_schema.events_statements_summary_by_thread_by_event_name;
|
|
select * from performance_schema.events_statements_summary_by_user_by_event_name;
|
|
select * from performance_schema.events_statements_summary_global_by_event_name;
|
|
select * from performance_schema.events_transactions_current;
|
|
select * from performance_schema.events_transactions_history;
|
|
select * from performance_schema.events_transactions_history_long;
|
|
select * from performance_schema.events_transactions_summary_by_account_by_event_name;
|
|
select * from performance_schema.events_transactions_summary_by_host_by_event_name;
|
|
select * from performance_schema.events_transactions_summary_by_thread_by_event_name;
|
|
select * from performance_schema.events_transactions_summary_by_user_by_event_name;
|
|
select * from performance_schema.events_transactions_summary_global_by_event_name;
|
|
select * from performance_schema.events_waits_current;
|
|
select * from performance_schema.events_waits_history;
|
|
select * from performance_schema.events_waits_history_long;
|
|
select * from performance_schema.events_waits_summary_by_account_by_event_name;
|
|
select * from performance_schema.events_waits_summary_by_host_by_event_name;
|
|
select * from performance_schema.events_waits_summary_by_instance;
|
|
select * from performance_schema.events_waits_summary_by_thread_by_event_name;
|
|
select * from performance_schema.events_waits_summary_by_user_by_event_name;
|
|
select * from performance_schema.events_waits_summary_global_by_event_name;
|
|
select * from performance_schema.memory_summary_by_account_by_event_name;
|
|
select * from performance_schema.memory_summary_by_host_by_event_name;
|
|
select * from performance_schema.memory_summary_by_thread_by_event_name;
|
|
select * from performance_schema.memory_summary_by_user_by_event_name;
|
|
select * from performance_schema.memory_summary_global_by_event_name;
|
|
select * from performance_schema.file_instances;
|
|
select * from performance_schema.file_summary_by_event_name;
|
|
select * from performance_schema.file_summary_by_instance;
|
|
select * from performance_schema.host_cache;
|
|
select * from performance_schema.hosts;
|
|
select * from performance_schema.memory_summary_by_account_by_event_name;
|
|
select * from performance_schema.memory_summary_by_host_by_event_name;
|
|
select * from performance_schema.memory_summary_by_thread_by_event_name;
|
|
select * from performance_schema.memory_summary_by_user_by_event_name;
|
|
select * from performance_schema.memory_summary_global_by_event_name;
|
|
select * from performance_schema.metadata_locks;
|
|
select * from performance_schema.mutex_instances;
|
|
select * from performance_schema.objects_summary_global_by_type;
|
|
select * from performance_schema.performance_timers;
|
|
select * from performance_schema.rwlock_instances;
|
|
select * from performance_schema.session_account_connect_attrs;
|
|
select * from performance_schema.session_connect_attrs;
|
|
select * from performance_schema.setup_actors;
|
|
select * from performance_schema.setup_consumers;
|
|
select * from performance_schema.setup_instruments;
|
|
select * from performance_schema.setup_objects;
|
|
select * from performance_schema.setup_timers;
|
|
select * from performance_schema.socket_instances;
|
|
select * from performance_schema.socket_summary_by_instance;
|
|
select * from performance_schema.socket_summary_by_event_name;
|
|
select * from performance_schema.table_handles;
|
|
select * from performance_schema.table_io_waits_summary_by_index_usage;
|
|
select * from performance_schema.table_io_waits_summary_by_table;
|
|
select * from performance_schema.table_lock_waits_summary_by_table;
|
|
select * from performance_schema.threads;
|
|
select * from performance_schema.users;
|
|
select * from performance_schema.replication_connection_configuration;
|
|
select * from performance_schema.replication_applier_configuration;
|
|
select * from performance_schema.replication_applier_status;
|
|
select * from performance_schema.replication_applier_status_by_coordinator;
|
|
select * from performance_schema.global_status;
|
|
select * from performance_schema.status_by_thread;
|
|
select * from performance_schema.status_by_user;
|
|
select * from performance_schema.status_by_host;
|
|
select * from performance_schema.status_by_account;
|
|
select * from performance_schema.session_status;
|
|
show global variables like "performance_schema%";
|
|
Variable_name Value
|
|
performance_schema ON
|
|
performance_schema_accounts_size 100
|
|
performance_schema_digests_size 200
|
|
performance_schema_events_stages_history_long_size 1000
|
|
performance_schema_events_stages_history_size 10
|
|
performance_schema_events_statements_history_long_size 1000
|
|
performance_schema_events_statements_history_size 10
|
|
performance_schema_events_transactions_history_long_size 1000
|
|
performance_schema_events_transactions_history_size 10
|
|
performance_schema_events_waits_history_long_size 10000
|
|
performance_schema_events_waits_history_size 10
|
|
performance_schema_hosts_size 100
|
|
performance_schema_max_cond_classes 90
|
|
performance_schema_max_cond_instances 1000
|
|
performance_schema_max_digest_length 1024
|
|
performance_schema_max_file_classes 80
|
|
performance_schema_max_file_handles 32768
|
|
performance_schema_max_file_instances 10000
|
|
performance_schema_max_index_stat 5000
|
|
performance_schema_max_memory_classes 320
|
|
performance_schema_max_metadata_locks 10000
|
|
performance_schema_max_mutex_classes 210
|
|
performance_schema_max_mutex_instances 5000
|
|
performance_schema_max_prepared_statements_instances 100
|
|
performance_schema_max_program_instances 7
|
|
performance_schema_max_rwlock_classes 50
|
|
performance_schema_max_rwlock_instances 5000
|
|
performance_schema_max_socket_classes 10
|
|
performance_schema_max_socket_instances 1000
|
|
performance_schema_max_sql_text_length 1024
|
|
performance_schema_max_stage_classes 160
|
|
performance_schema_max_statement_classes 222
|
|
performance_schema_max_statement_stack 2
|
|
performance_schema_max_table_handles 1000
|
|
performance_schema_max_table_instances 500
|
|
performance_schema_max_table_lock_stat 500
|
|
performance_schema_max_thread_classes 50
|
|
performance_schema_max_thread_instances 200
|
|
performance_schema_session_connect_attrs_size 2048
|
|
performance_schema_setup_actors_size 100
|
|
performance_schema_setup_objects_size 100
|
|
performance_schema_users_size 100
|
|
show engine PERFORMANCE_SCHEMA status;
|
|
show global status like "performance_schema%";
|
|
show global variables like "performance_schema_max_program_instances";
|
|
Variable_name Value
|
|
performance_schema_max_program_instances 7
|
|
show global variables like "performance_schema_max_statement_stack";
|
|
Variable_name Value
|
|
performance_schema_max_statement_stack 2
|
|
#####################
|
|
# Setup
|
|
#####################
|
|
# SET-UP
|
|
CREATE DATABASE nested_sp;
|
|
USE nested_sp;
|
|
CREATE TABLE t1(
|
|
id CHAR(16) NOT NULL DEFAULT '',
|
|
data INT NOT NULL
|
|
);
|
|
CREATE TABLE t2(
|
|
n INT UNSIGNED NOT NULL,
|
|
f BIGINT UNSIGNED
|
|
) engine=innodb;
|
|
############################
|
|
# Creating Stored Programs #
|
|
############################
|
|
CREATE PROCEDURE c1(x INT)
|
|
CALL c2("c", x)|
|
|
CREATE PROCEDURE c2(s CHAR(16), x INT)
|
|
CALL c3(x, s)|
|
|
CREATE PROCEDURE c3(x INT, s CHAR(16))
|
|
CALL c4("level", x, s)|
|
|
CREATE PROCEDURE c4(l CHAR(8), x INT, s CHAR(16))
|
|
INSERT INTO t1 VALUES (concat(l,s), x)|
|
|
CREATE PROCEDURE iotest(x1 CHAR(16), x2 CHAR(16), y INT)
|
|
BEGIN
|
|
CALL inc2(x2, y);
|
|
INSERT INTO t1 VALUES (x1, y);
|
|
END|
|
|
CREATE PROCEDURE inc2(x CHAR(16), y INT)
|
|
BEGIN
|
|
CALL inc(y);
|
|
INSERT INTO t1 VALUES (x, y);
|
|
END|
|
|
CREATE PROCEDURE inc(inout io INT)
|
|
SET io = io + 1|
|
|
CREATE FUNCTION mul(x INT, y INT) RETURNS INT
|
|
RETURN x*y|
|
|
CREATE FUNCTION inc(i INT) RETURNS INT
|
|
RETURN i+1|
|
|
CREATE FUNCTION fac(n INT UNSIGNED) RETURNS BIGINT UNSIGNED
|
|
BEGIN
|
|
DECLARE f BIGINT UNSIGNED DEFAULT 1;
|
|
WHILE n > 1 DO
|
|
SET f = f * n;
|
|
SET n = n - 1;
|
|
END WHILE;
|
|
RETURN f;
|
|
END|
|
|
CREATE FUNCTION fun(i INT, u INT UNSIGNED) RETURNS DOUBLE
|
|
RETURN mul(inc(i), fac(u))|
|
|
CREATE PROCEDURE ifac(n INT UNSIGNED)
|
|
BEGIN
|
|
DECLARE i BIGINT UNSIGNED DEFAULT 1;
|
|
IF n > 20 THEN
|
|
SET n = 20; # bigint overflow otherwise
|
|
END IF;
|
|
WHILE i <= n DO
|
|
BEGIN
|
|
INSERT INTO t2 VALUES (i, fac(i));
|
|
SET i = i + 1;
|
|
END;
|
|
END WHILE;
|
|
END|
|
|
CREATE TRIGGER trg AFTER INSERT ON t1 FOR EACH ROW
|
|
CALL ifac(10)|
|
|
TRUNCATE performance_schema.events_statements_summary_by_program;
|
|
SELECT OBJECT_TYPE, OBJECT_NAME, OBJECT_SCHEMA FROM
|
|
performance_schema.events_statements_summary_by_program
|
|
WHERE OBJECT_SCHEMA='nested_sp' ORDER BY OBJECT_NAME;
|
|
OBJECT_TYPE OBJECT_NAME OBJECT_SCHEMA
|
|
Flush status;
|
|
show global status like "%performance_schema_program_lost%";
|
|
Variable_name Value
|
|
Performance_schema_program_lost 0
|
|
show global status like "%performance_schema_nested_statement_lost%";
|
|
Variable_name Value
|
|
Performance_schema_nested_statement_lost 0
|
|
#####################
|
|
# Executing Queries
|
|
#####################
|
|
#####################
|
|
# Executing queries #
|
|
#####################
|
|
CALL c1(42);
|
|
SELECT * FROM t1;
|
|
id data
|
|
levelc 42
|
|
DELETE FROM t1;
|
|
CALL iotest("io1", "io2", 1);
|
|
SELECT * FROM t1 ORDER BY data DESC;
|
|
id data
|
|
io2 2
|
|
io1 1
|
|
DELETE FROM t1;
|
|
SELECT fun(6,10);
|
|
fun(6,10)
|
|
25401600
|
|
INSERT INTO t1 VALUES (20,13);
|
|
SELECT * FROM t2;
|
|
n f
|
|
1 1
|
|
2 2
|
|
3 6
|
|
4 24
|
|
5 120
|
|
6 720
|
|
7 5040
|
|
8 40320
|
|
9 362880
|
|
10 3628800
|
|
1 1
|
|
2 2
|
|
3 6
|
|
4 24
|
|
5 120
|
|
6 720
|
|
7 5040
|
|
8 40320
|
|
9 362880
|
|
10 3628800
|
|
1 1
|
|
2 2
|
|
3 6
|
|
4 24
|
|
5 120
|
|
6 720
|
|
7 5040
|
|
8 40320
|
|
9 362880
|
|
10 3628800
|
|
1 1
|
|
2 2
|
|
3 6
|
|
4 24
|
|
5 120
|
|
6 720
|
|
7 5040
|
|
8 40320
|
|
9 362880
|
|
10 3628800
|
|
###########################################
|
|
# Quering PS statement summary table #
|
|
###########################################
|
|
SELECT OBJECT_TYPE, OBJECT_NAME, OBJECT_SCHEMA
|
|
FROM performance_schema.events_statements_summary_by_program
|
|
WHERE OBJECT_SCHEMA='nested_sp' ORDER BY OBJECT_NAME;
|
|
OBJECT_TYPE OBJECT_NAME OBJECT_SCHEMA
|
|
PROCEDURE c1 nested_sp
|
|
PROCEDURE c2 nested_sp
|
|
PROCEDURE c3 nested_sp
|
|
PROCEDURE c4 nested_sp
|
|
FUNCTION fac nested_sp
|
|
PROCEDURE ifac nested_sp
|
|
TRIGGER trg nested_sp
|
|
show global status like "%performance_schema_program_lost%";
|
|
Variable_name Value
|
|
Performance_schema_program_lost 6
|
|
show global status like "%performance_schema_nested_statement_lost%";
|
|
Variable_name Value
|
|
Performance_schema_nested_statement_lost 1062
|
|
#####################
|
|
# Cleanup
|
|
#####################
|
|
DROP PROCEDURE c4;
|
|
DROP PROCEDURE c3;
|
|
DROP PROCEDURE c2;
|
|
DROP PROCEDURE c1;
|
|
DROP PROCEDURE inc;
|
|
DROP PROCEDURE inc2;
|
|
DROP PROCEDURE iotest;
|
|
DROP FUNCTION mul;
|
|
DROP FUNCTION inc;
|
|
DROP FUNCTION fac;
|
|
DROP FUNCTION fun;
|
|
DROP PROCEDURE ifac;
|
|
DROP TRIGGER trg;
|
|
DROP TABLE t1,t2;
|
|
DROP DATABASE nested_sp;
|