mariadb/mysql-test/main/userstat.test

#
# Testing of user status (the userstat variable).
# Note that this test requires a fresh restart to not have problems with the
# old status values

-- source include/have_innodb.inc
-- source include/have_log_bin.inc
-- source include/have_perfschema.inc

--enable_prepare_warnings
--disable_ps2_protocol
--disable_cursor_protocol
select variable_value from information_schema.global_status where variable_name="handler_read_key" into @global_read_key;
--disable_prepare_warnings
--enable_cursor_protocol
show columns from information_schema.client_statistics;
show columns from information_schema.user_statistics;
show columns from information_schema.index_statistics;
show columns from information_schema.table_statistics;

# Disable logging to get right number of writes into the tables.
set @save_general_log=@@global.general_log;
set @@global.general_log=0;
set @@global.userstat=1;
flush status;

create table t1 (a int, primary key (a), b int default 0) engine=innodb;
insert into t1 (a) values (1),(2),(3),(4);
update t1 set b=1;
update t1 set b=5 where a=2;
delete from t1 where a=3;

--disable_cursor_protocol
/* Empty query */
select * from t1 where a=999;

drop table t1;

# test SSL connections
--connect (ssl_con,localhost,root,,,,,SSL)
SELECT (VARIABLE_VALUE <> '') AS have_ssl FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME='Ssl_cipher';
--connection default
--enable_cursor_protocol

#
# Test the commit and rollback are counted
#
create table t1 (a int, primary key (a), b int default 0) engine=innodb;
begin;
insert into t1 values(1,1);
commit;
begin;
insert into t1 values(2,2);
commit;
begin;
insert into t1 values(3,3);
rollback;
drop table t1;

--disable_cursor_protocol
select sleep(1);

show status like "rows%";
show status like "ha%";
select variable_value - @global_read_key as "handler_read_key" from information_schema.global_status where variable_name="handler_read_key";
--enable_cursor_protocol

--disconnect ssl_con

# Ensure that the following commands doesn't change statistics

set @@global.userstat=0;

#
# Check that we got right statistics
#
select * from information_schema.index_statistics;
select * from information_schema.table_statistics;
show table_statistics;
show index_statistics;
--query_vertical select TOTAL_CONNECTIONS, TOTAL_SSL_CONNECTIONS, CONCURRENT_CONNECTIONS, ROWS_READ, ROWS_SENT, ROWS_DELETED, ROWS_INSERTED, ROWS_UPDATED, SELECT_COMMANDS, UPDATE_COMMANDS, COMMIT_TRANSACTIONS, ROLLBACK_TRANSACTIONS, DENIED_CONNECTIONS, LOST_CONNECTIONS, ACCESS_DENIED, EMPTY_QUERIES from information_schema.client_statistics;
--query_vertical select TOTAL_CONNECTIONS, TOTAL_SSL_CONNECTIONS, CONCURRENT_CONNECTIONS, ROWS_READ, ROWS_SENT, ROWS_DELETED, ROWS_INSERTED, ROWS_UPDATED, SELECT_COMMANDS, UPDATE_COMMANDS, COMMIT_TRANSACTIONS, ROLLBACK_TRANSACTIONS, DENIED_CONNECTIONS, LOST_CONNECTIONS, ACCESS_DENIED, EMPTY_QUERIES from information_schema.user_statistics;
# different values in --ps-protocol
select OTHER_COMMANDS IN (7,8) from information_schema.client_statistics;
select OTHER_COMMANDS IN (7,8) from information_schema.user_statistics;
flush table_statistics;
flush index_statistics;
select * from information_schema.index_statistics;
select * from information_schema.table_statistics;
show status like "%generic%";

#
# Test that some variables are not 0
#

select connected_time <> 0, busy_time <> 0, bytes_received <> 0,
       bytes_sent <> 0, binlog_bytes_written <> 0
       from information_schema.user_statistics;
select connected_time <> 0, busy_time <> 0, bytes_received <> 0,
       bytes_sent <> 0, binlog_bytes_written <> 0
       from information_schema.client_statistics;

#
# Test of in transaction
#

create table t1 (a int) engine=innodb;
select @@in_transaction;
begin;
select @@in_transaction;
insert into t1 values (1);
select @@in_transaction;
commit;
select @@in_transaction;
set @@autocommit=0;
select @@in_transaction;
insert into t1 values (2);
select @@in_transaction;
set @@autocommit=1;
select @@in_transaction;
drop table t1;

set @@global.general_log=@save_general_log;

--echo #
--echo # MDEV-25242 Server crashes in check_grant upon invoking function with userstat enabled
--echo #
create function f() returns int return (select 1 from performance_schema.threads);
set global userstat= 1;
create table t1 (a int primary key);
insert into t1 values (1),(2);
select * from t1 where a=1;
--error ER_SUBQUERY_NO_1_ROW
select f() from information_schema.table_statistics;
--error ER_SUBQUERY_NO_1_ROW
select f() from information_schema.index_statistics;
set global userstat= 0;
drop function f;
drop table t1;
--enable_ps2_protocol

--echo #
--echo # End of 10.2 tests
--echo #

--echo #
--echo # MDEV-33901 INDEX_STATISTICS.QUERIES is incremented additionally for
--echo # subqueries
--echo #

SET @save_userstat= @@userstat;
set global userstat= 1;

create or replace table t1 (a int, key(a)) engine=MyISAM;
insert into t1 values (1),(2),(3),(4);
flush index_statistics;
--disable_ps2_protocol
select a from t1 where a in ( select a from t1 );
--enable_ps2_protocol
show index_statistics;
drop table t1;
set global userstat=@save_userstat;

--echo # End of 11.5 tests