config root man

#
# WL#4797  Extending protocol's OK packet
#
#
# Default values of the session variables session_track_system_variables and
# session_track_schema.
#
SELECT @@session.session_track_schema;
@@session.session_track_schema
1
SELECT @@session.session_track_system_variables;
@@session.session_track_system_variables
time_zone,autocommit,character_set_client,character_set_results,character_set_connection
SELECT @@global.session_track_schema;
@@global.session_track_schema
1
SELECT @@global.session_track_system_variables;
@@global.session_track_system_variables
time_zone,autocommit,character_set_client,character_set_results,character_set_connection

# testing @@session.session_track_system_variables

## Testing default tracked system variables.
# SET NAMES ..
SELECT @@session.character_set_client, @@session.character_set_results, @@session.character_set_connection;
@@session.character_set_client	@@session.character_set_results	@@session.character_set_connection
latin1	latin1	latin1
SET NAMES 'utf8';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- character_set_client
-- utf8
-- character_set_connection
-- utf8
-- character_set_results
-- utf8

SELECT @@session.character_set_client, @@session.character_set_results, @@session.character_set_connection;
@@session.character_set_client	@@session.character_set_results	@@session.character_set_connection
utf8	utf8	utf8
SET NAMES 'big5';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- character_set_client
-- big5
-- character_set_connection
-- big5
-- character_set_results
-- big5

SELECT @@session.character_set_client, @@session.character_set_results, @@session.character_set_connection;
@@session.character_set_client	@@session.character_set_results	@@session.character_set_connection
big5	big5	big5
SET @@session.character_set_client=utf8;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- character_set_client
-- utf8

SELECT @@session.character_set_client, @@session.character_set_results, @@session.character_set_connection;
@@session.character_set_client	@@session.character_set_results	@@session.character_set_connection
utf8	big5	big5
SET @@session.character_set_results=utf8;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- character_set_results
-- utf8

SELECT @@session.character_set_client, @@session.character_set_results, @@session.character_set_connection;
@@session.character_set_client	@@session.character_set_results	@@session.character_set_connection
utf8	utf8	big5
SET @@session.character_set_connection=utf8;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- character_set_connection
-- utf8

SELECT @@session.character_set_client, @@session.character_set_results, @@session.character_set_connection;
@@session.character_set_client	@@session.character_set_results	@@session.character_set_connection
utf8	utf8	utf8

# time_zone
SELECT @@session.time_zone;
@@session.time_zone
SYSTEM
SET @@session.time_zone='Europe/Moscow';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- time_zone
-- Europe/Moscow

SELECT @@session.time_zone;
@@session.time_zone
Europe/Moscow
SET @@session.time_zone='MET';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- time_zone
-- MET

SELECT @@session.time_zone;
@@session.time_zone
MET
# Expect no change info.
SET @@session.time_zone='funny';
ERROR HY000: Unknown or incorrect time zone: 'funny'
SELECT @@session.time_zone;
@@session.time_zone
MET

# autocommit
SELECT @@session.autocommit;
@@session.autocommit
1
SET @@session.autocommit= 1;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON

SELECT @@session.autocommit;
@@session.autocommit
1
SET @@session.autocommit= 0;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- OFF

SELECT @@session.autocommit;
@@session.autocommit
0
SET @@session.autocommit= OFF;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- OFF

SELECT @@session.autocommit;
@@session.autocommit
0
SET @@session.autocommit= ON;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON

SELECT @@session.autocommit;
@@session.autocommit
1
# Expect no change info.
SET @@session.autocommit= foo;
ERROR 42000: Variable 'autocommit' can't be set to the value of 'foo'
SELECT @@session.autocommit;
@@session.autocommit
1

# Setting multiple variables in one shot..

SET @@session.autocommit=OFF, @@time_zone='SYSTEM';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- OFF
-- time_zone
-- SYSTEM

SELECT @@session.autocommit;
@@session.autocommit
0
SELECT @@session.time_zone;
@@session.time_zone
SYSTEM
# Expect no change info.
SET @@session.autocommit=ON, @@time_zone='INVALID';
ERROR HY000: Unknown or incorrect time zone: 'INVALID'
SELECT @@session.autocommit;
@@session.autocommit
0
SELECT @@session.time_zone;
@@session.time_zone
SYSTEM

## Testing some other session system variables.
# Testing sql_mode
SELECT @@session.sql_mode;
@@session.sql_mode
ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

SET @@session.session_track_system_variables='sql_mode';
SELECT @@session.session_track_system_variables;
@@session.session_track_system_variables
sql_mode
SET @sql_mode_saved= @@session.sql_mode;
SET @@session.sql_mode='traditional';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- sql_mode
-- STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

SET @@session.sql_mode='traditional';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- sql_mode
-- STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

SELECT @@session.sql_mode;
@@session.sql_mode
STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
SET @@session.sql_mode='invalid';
ERROR 42000: Variable 'sql_mode' can't be set to the value of 'invalid'
# Test the wildcard value for tracking.
SET @@session.session_track_system_variables='*';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- session_track_system_variables
-- *

# Expect change info.
SET @@session.sql_mode= @sql_mode_saved;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- sql_mode
-- ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

# Expect change info.
SET @@old_passwords=0;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- old_passwords
-- 0

Warnings:
Warning	1681	'old_passwords' is deprecated and will be removed in a future release.
# Expect change info.
SET @@session.sql_mode= @sql_mode_saved;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- sql_mode
-- ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

# Test the wildcard value for tracking.
SET @@session.session_track_system_variables='*,old_passwords';
Warnings:
Warning	1231	* is not a valid system variable and will be ignored.
# Expect no change info.
SET @@session.sql_mode= @sql_mode_saved;
# Expect change info.
SET @@old_passwords=0;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- old_passwords
-- 0

Warnings:
Warning	1681	'old_passwords' is deprecated and will be removed in a future release.
# Expect no change info.
SET @@session.sql_mode= @sql_mode_saved;
# Switch off the session system variables tracker (using empty string).
SET @@session.session_track_system_variables='';
# Expect no change info.
SET @@session.sql_mode= @sql_mode_saved;
SELECT @@session.sql_mode;
@@session.sql_mode
ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

# Switch off the session system variables tracker (using empty NULL).
SET @@session.session_track_system_variables=NULL;
# Expect no change info.
SET @@session.sql_mode= @sql_mode_saved;
SELECT @@session.sql_mode;
@@session.sql_mode
ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

# Check to see that string NULL acts no different from other invalid strings.
SET @@session.session_track_system_variables='var1,NULL';
Warnings:
Warning	1231	var1 is not a valid system variable and will be ignored.
Warning	1231	NULL is not a valid system variable and will be ignored.
# Expect no change info.
SET @@session.sql_mode= @sql_mode_saved;
SELECT @@session.sql_mode;
@@session.sql_mode
ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION


# Testing with stored procedure.

SET @@session.session_track_system_variables='autocommit,time_zone,tx_isolation';
SELECT @@session.session_track_system_variables;
@@session.session_track_system_variables
autocommit,time_zone,tx_isolation

CREATE PROCEDURE my_proc() BEGIN
SET @@session.autocommit=OFF;
SET @@session.time_zone='-6:00';
SET @@session.tx_isolation='READ-COMMITTED';
END;|
CALL my_proc;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- tx_isolation
-- READ-COMMITTED
-- autocommit
-- OFF
-- time_zone
-- -06:00

Warnings:
Warning	1287	'@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
CALL my_proc;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- tx_isolation
-- READ-COMMITTED
-- autocommit
-- OFF
-- time_zone
-- -06:00

Warnings:
Warning	1287	'@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
DROP PROCEDURE my_proc;
# Testing with unknown/invalid system variables.
SHOW VARIABLES LIKE 'var1';
Variable_name	Value
SHOW VARIABLES LIKE 'var1';
Variable_name	Value
# Expect a warning..
SET @@session.session_track_system_variables='var1,sql_mode,var2';
Warnings:
Warning	1231	var1 is not a valid system variable and will be ignored.
Warning	1231	var2 is not a valid system variable and will be ignored.
SELECT @@session.session_track_system_variables;
@@session.session_track_system_variables
var1,sql_mode,var2

SET @@session.sql_mode='ANSI';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- sql_mode
-- REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ONLY_FULL_GROUP_BY,ANSI

Warnings:
Warning	3090	Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
# Tracking by self-assigning the value of a system variable.

SELECT @@session.sql_mode;
@@session.sql_mode
REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ONLY_FULL_GROUP_BY,ANSI
SET @@session.sql_mode=@@session.sql_mode;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- sql_mode
-- REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ONLY_FULL_GROUP_BY,ANSI

# Tracking @@session.session_track_system_variables itself.

SET @@session.session_track_system_variables='session_track_system_variables';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- session_track_system_variables
-- session_track_system_variables

SELECT @@session.session_track_system_variables;
@@session.session_track_system_variables
session_track_system_variables

# testing @@session.session_track_schema

SELECT @@session.session_track_schema;
@@session.session_track_schema
1
USE mysql;
-- Tracker : SESSION_TRACK_SCHEMA
-- mysql

USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

# Expect no change info.
USE non_existing_db;
ERROR 42000: Unknown database 'non_existing_db'
USE mysql;
-- Tracker : SESSION_TRACK_SCHEMA
-- mysql

USE mysql;
-- Tracker : SESSION_TRACK_SCHEMA
-- mysql

USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

# Turing current schema tracking off.

SET @@session.session_track_schema=false;
SELECT @@session.session_track_schema;
@@session.session_track_schema
0
# Expect no change info.
USE mysql;
# Expect no change info.
USE test;

# Testing with invalid values.

SET @@session.session_track_schema=ONN;
ERROR 42000: Variable 'session_track_schema' can't be set to the value of 'ONN'
SELECT @@session.session_track_schema;
@@session.session_track_schema
0
# Expect no change info.
USE mysql;
# Expect no change info.
USE test;

# Turn tracking on.
SET @@session.session_track_schema=ON;
USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

# Set to an invalid value, the tracking should remain on.
SET @@session.session_track_schema=OFFF;
ERROR 42000: Variable 'session_track_schema' can't be set to the value of 'OFFF'
USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

# Testing COM_CHANGE_USER

# Turn off the @@session.session_track_schema and try to assign
# @@global.session_track_schema to it.

SET @@session.session_track_schema=OFF;
SELECT @@global.session_track_schema;
@@global.session_track_schema
1
SELECT @@session.session_track_schema;
@@session.session_track_schema
0
SET @@session.session_track_schema=@@global.session_track_schema;
SELECT @@session.session_track_schema;
@@session.session_track_schema
1
#
# Lets try to add a variable from the validate_password plugin
# while its not installed. (expect warning)
#
call mtr.add_suppression("Dictionary file not specified");
SELECT @@global.session_track_system_variables;
@@global.session_track_system_variables
time_zone,autocommit,character_set_client,character_set_results,character_set_connection
SELECT @@session.session_track_system_variables;
@@session.session_track_system_variables
time_zone,autocommit,character_set_client,character_set_results,character_set_connection

SET @@session.session_track_system_variables='validate_password_policy,autocommit';
Warnings:
Warning	1231	validate_password_policy is not a valid system variable and will be ignored.
# Now lets install the validate password plugin.
INSTALL PLUGIN validate_password SONAME 'validate_password.so';
# plugin installed!

SELECT @@session.session_track_system_variables;
@@session.session_track_system_variables
validate_password_policy,autocommit
# The following SET should now execute successfully without a warning.
SET @@session.session_track_system_variables='validate_password_policy,autocommit';

# Cleanup.
UNINSTALL PLUGIN validate_password;
#
# WL#6885  Track session state change
#

# testing @@session.session_track_state_change for
# different session attributes like system variables,
# user variables, current database, temporary tables,
# prepared statements.
#
# @@session.session_track_state_change=ON
# will send boolean tracker in the OK packet
# @@session.session_track_state_change=OFF
# will not send boolean tracker in the OK packet
# reset the session.
CREATE TABLE test.t(i INT);
SET @@session.session_track_state_change=ON;
# Create a temporary table
expect 1
CREATE TEMPORARY TABLE test.t1(i INT);
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

expect 1
DROP TEMPORARY TABLE test.t1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=OFF;
# Create a temporary table
CREATE TEMPORARY TABLE test.t1(i INT);
DROP TEMPORARY TABLE test.t1;
CREATE TEMPORARY TABLE test.t1(i INT);
SET @@session.session_track_state_change=ON;
expect 1
ALTER TABLE test.t1 ADD COLUMN (j INT);
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

expect 1
DROP TEMPORARY TABLE test.t1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=ON;
# Create a prepared statement
expect 1
PREPARE p1 FROM 'SELECT i FROM test.t';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

expect 1
DEALLOCATE PREPARE p1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=OFF;
# Create a prepared statement
PREPARE p1 FROM 'SELECT i FROM test.t';
DEALLOCATE PREPARE p1;
SET @@session.session_track_state_change=ON;
# Change system variable
expect 1
SET NAMES 'utf8';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- character_set_client
-- utf8
-- character_set_connection
-- utf8
-- character_set_results
-- utf8

-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=OFF;
# Change system variable
SET NAMES 'utf8';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- character_set_client
-- utf8
-- character_set_connection
-- utf8
-- character_set_results
-- utf8

# reset the session.
SET @@session.session_track_state_change=ON;
# Change database
expect 1
USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=OFF;
# Change database
USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

# reset the session.
SET @@session.session_track_state_change=ON;
# Define a user defined variable
expect 1
SET @var1=20;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=OFF;
# Define a user defined variable
SET @var1=20;
# reset the session.

# Test with multiple session attributes

SET @@session.session_track_state_change=ON;
# expect 1
PREPARE p1 FROM 'SELECT i FROM test.t';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
PREPARE p2 FROM 'SELECT i FROM test.t';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
DEALLOCATE PREPARE p1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

expect 1
CREATE TEMPORARY TABLE test.t1(i INT);
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

expect 1
DROP TEMPORARY TABLE test.t1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
DEALLOCATE PREPARE p2;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=ON;
# expect 1
USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
SET @var3= 10;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
CREATE TEMPORARY TABLE test.t1(i INT);
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
ALTER TABLE test.t1 ADD COLUMN (j INT);
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

expect 1
DROP TEMPORARY TABLE test.t1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1


# Test cases to check if tracker tracks only what is needed

# CASE1: current DB exists in current session
SET @@session.session_track_state_change=OFF;
USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

SET @@session.session_track_state_change=ON;
# expect 1
PREPARE p1 FROM 'SELECT i FROM test.t';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1 there is session context
# 'Use test' context was not tracked
DEALLOCATE PREPARE p1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# CASE2: prepared stmt exists in current session
SET @@session.session_track_state_change=OFF;
PREPARE p1 FROM 'SELECT i FROM test.t';
SET @@session.session_track_state_change=ON;
# expect 1
CREATE TEMPORARY TABLE test.t1(i INT);
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1 there is prepared stmt context
# since tracker is OFF it is not tracked
DROP TEMPORARY TABLE test.t1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
DEALLOCATE PREPARE p1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# CASE3: user variables exists in current session
SET @@session.session_track_state_change=OFF;
SET @var1= 20;
SET @@session.session_track_state_change=ON;
# expect 1
PREPARE p1 FROM 'SELECT i FROM test.t';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1 if session context is present
DEALLOCATE PREPARE p1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# CASE4: system variables exists in current session
SET @@session.session_track_state_change=OFF;
SET autocommit= 1;
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON

SET @@session.session_track_state_change=ON;
# expect 1
PREPARE p1 FROM 'SELECT i FROM test.t';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
CREATE TEMPORARY TABLE test.t1(i INT);
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
DROP TEMPORARY TABLE test.t1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
DEALLOCATE PREPARE p1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# CASE5: temporary table exists in current session
SET @@session.session_track_state_change=OFF;
CREATE TEMPORARY TABLE test.t1(i INT);
SET @@session.session_track_state_change=ON;
# expect 1
PREPARE p1 FROM 'SELECT i FROM test.t';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
DEALLOCATE PREPARE p1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# reset the session.

# Test for all valid values

SET @@session.session_track_state_change=1;
# expect 1
PREPARE p1 FROM 'SELECT i FROM test.t';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=0;
EXECUTE p1;
i
SET @@session.session_track_state_change=True;
# expect 1
DEALLOCATE PREPARE p1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=falSe;
DROP TABLE test.t;

# Test for invalid values

SET @@session.session_track_state_change=oNN;
ERROR 42000: Variable 'session_track_state_change' can't be set to the value of 'oNN'
SET @@session.session_track_state_change=FALS;
ERROR 42000: Variable 'session_track_state_change' can't be set to the value of 'FALS'
SET @@session.session_track_state_change=20;
ERROR 42000: Variable 'session_track_state_change' can't be set to the value of '20'
SET @@session.session_track_state_change=OFFF;
ERROR 42000: Variable 'session_track_state_change' can't be set to the value of 'OFFF'
SET @@session.session_track_state_change=NULL;
ERROR 42000: Variable 'session_track_state_change' can't be set to the value of 'NULL'
SET @@session.session_track_state_change='';
ERROR 42000: Variable 'session_track_state_change' can't be set to the value of ''

# Test in combination with other trackers

# CASE1: with session_track_system_variables
SET @@session.session_track_system_variables='time_zone,tx_isolation';
SET @@session.time_zone='-6:00';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- time_zone
-- -06:00

SET @@session.session_track_state_change=1;
# expect 1 as well in OK packet
SET @@session.tx_isolation='READ-COMMITTED';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- tx_isolation
-- READ-COMMITTED

-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

Warnings:
Warning	1287	'@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
# expect 1 as well in OK packet
SET @var2= 20;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# CASE2: with session_track_schema
SET @@session.session_track_state_change=1;
SET @@session.session_track_schema=1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1 as well in OK packet
USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# CASE3: with both session_track_system_variables, session_track_schema
# expect 1 as well in OK packet
SET @@session.time_zone='-6:00';
-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- time_zone
-- -06:00

-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_state_change=1;
# expect 1 as well in OK packet
SET @var2= 20;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

SET @@session.session_track_schema=1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1 as well in OK packet
USE test;
-- Tracker : SESSION_TRACK_SCHEMA
-- test

-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# CASE4: check for trackers itself
SET @@session.session_track_state_change=1;
# expect 1
SET @@session.session_track_system_variables='tx_isolation';
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# expect 1
SET @@session.session_track_schema=1;
-- Tracker : SESSION_TRACK_STATE_CHANGE
-- 1

# we dont send the boolean tracker for the tracker itself
SET @@session.session_track_state_change=1;
SET @@session.session_track_state_change=0;
# Test if reset_connection sets the OFF the tracker
SET @@session.session_track_state_change=1;
SELECT @@session.session_track_state_change;
@@session.session_track_state_change
1
# expect 0/FALSE
SELECT @@session.session_track_state_change;
@@session.session_track_state_change
0
# Test show variables
SHOW VARIABLES like 'session_track_state_change';
Variable_name	Value
session_track_state_change	OFF
SET @@session.session_track_state_change=1;
SHOW VARIABLES like 'session_track_state_change';
Variable_name	Value
session_track_state_change	ON
SHOW VARIABLES like 'session_track_state_change';
Variable_name	Value
session_track_state_change	OFF

# End of tests