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################# mysql-test\t\innodb_table_locks_basic.test ##################
#                                                                             #
# Variable Name: innodb_table_locks                                           #
# Scope: GLOBAL | SESSION                                                     #
# Access Type: Dynamic                                                        #
# Data Type: boolean                                                          #
# Default Value: 1                                                            #
# Range: 0,1                                                                  #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-20                                                   #
# Author:  Rizwan                                                             #
#                                                                             #
# Description: Test Cases of Dynamic System Variable innodb_table_locks       #
#              that checks the behavior of this variable in the following ways#
#              * Default Value                                                #
#              * Valid & Invalid values                                       #
#              * Scope & Access method                                        #
#              * Data Integrity                                               #
#                                                                             #
# Reference: http://dev.mysql.com/doc/refman/5.1/en/                          #
#  server-system-variables.html                                               #
#                                                                             #
###############################################################################

--source include/have_innodb.inc
--source include/load_sysvars.inc

######################################################################## 
#                    START OF innodb_table_locks TESTS                 #
######################################################################## 


################################################################################ 
#   Saving initial value of innodb_table_locks in a temporary variable         #
################################################################################ 


SET @session_start_value = @@session.innodb_table_locks;
SELECT @session_start_value;


SET @global_start_value = @@global.innodb_table_locks;
SELECT @global_start_value;



--echo '#--------------------FN_DYNVARS_046_01------------------------#'
######################################################################## 
#           Display the DEFAULT value of innodb_table_locks            #
######################################################################## 

SET @@session.innodb_table_locks = 0;
SET @@session.innodb_table_locks = DEFAULT;
SELECT @@session.innodb_table_locks;

SET @@global.innodb_table_locks = 0;
SET @@global.innodb_table_locks = DEFAULT;
SELECT @@global.innodb_table_locks;

--echo '#---------------------FN_DYNVARS_046_02-------------------------#'
###############################################################################
#   Check if innodb_table_locks can be accessed with and without @@ sign      #
###############################################################################

SET innodb_table_locks = 1;
SELECT @@innodb_table_locks;

--Error ER_UNKNOWN_TABLE
SELECT session.innodb_table_locks;

--Error ER_UNKNOWN_TABLE
SELECT local.innodb_table_locks;

--Error ER_UNKNOWN_TABLE
SELECT global.innodb_table_locks;
#using another syntax for accessing system variables
SET session innodb_table_locks = 0;
SELECT @@session.innodb_table_locks;

SET global innodb_table_locks = 0;
SELECT @@global.innodb_table_locks;


--echo '#--------------------FN_DYNVARS_046_03------------------------#'
##########################################################################
#      change the value of innodb_table_locks to a valid value           #
##########################################################################
# for session
SET @@session.innodb_table_locks = 0;
SELECT @@session.innodb_table_locks;
SET @@session.innodb_table_locks = 1;
SELECT @@session.innodb_table_locks;

# for global
SET @@global.innodb_table_locks = 0;
SELECT @@global.innodb_table_locks;
SET @@global.innodb_table_locks = 1;
SELECT @@global.innodb_table_locks;


--echo '#--------------------FN_DYNVARS_046_04-------------------------#'
########################################################################### 
#       Change the value of innodb_table_locks to invalid value           #
########################################################################### 

# for session

--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.innodb_table_locks = -6;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@session.innodb_table_locks = 1.6;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.innodb_table_locks = "T";
--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.innodb_table_locks = "Y";
--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.innodb_table_locks = TRÜE;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.innodb_table_locks = ÕN;

SET @@session.innodb_table_locks = OF;
SELECT @@session.innodb_table_locks;

--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.innodb_table_locks = ÓFF;

# for global


--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_table_locks = -1;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_table_locks = 2;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_table_locks = "T";
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_table_locks = "Y";
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_table_locks = TRÜE;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.innodb_table_locks = QN;

SET @@global.innodb_table_locks = OF;
SELECT @@global.innodb_table_locks;

--Error ER_WRONG_TYPE_FOR_VAR
#SET @@global.innodb_table_locks = ÓFF;


--echo '#-------------------FN_DYNVARS_046_05----------------------------#'
########################################################################### 
#       Test if changing global variable effects session and vice versa   #
########################################################################### 

SET @@global.innodb_table_locks = 0;
SET @@session.innodb_table_locks = 1;
SELECT @@global.innodb_table_locks AS res_is_0;

SET @@global.innodb_table_locks = 0;
SELECT @@session.innodb_table_locks AS res_is_1;

--echo '#----------------------FN_DYNVARS_046_06------------------------#'
######################################################################### 
#     Check if the value in GLOBAL Table matches value in variable      #
#########################################################################

--disable_warnings
SELECT IF(@@global.innodb_table_locks, "ON", "OFF") =
 VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='innodb_table_locks';
--enable_warnings
SELECT @@global.innodb_table_locks;
--disable_warnings
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
 WHERE VARIABLE_NAME='innodb_table_locks';
--enable_warnings

--echo '#----------------------FN_DYNVARS_046_07------------------------#'
######################################################################### 
#     Check if the value in SESSION Table matches value in variable     #
#########################################################################

--disable_warnings
SELECT IF(@@session.innodb_table_locks, "ON", "OFF") =
 VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='innodb_table_locks';
--enable_warnings
SELECT @@session.innodb_table_locks;
--disable_warnings
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
 WHERE VARIABLE_NAME='innodb_table_locks';
--enable_warnings


--echo '#---------------------FN_DYNVARS_046_08-------------------------#'
################################################################### 
#        Check if ON and OFF values can be used on variable       #
################################################################### 

SET @@session.innodb_table_locks = OFF;
SELECT @@session.innodb_table_locks;
SET @@session.innodb_table_locks = ON;
SELECT @@session.innodb_table_locks;

SET @@global.innodb_table_locks = OFF;
SELECT @@global.innodb_table_locks;
SET @@global.innodb_table_locks = ON;
SELECT @@global.innodb_table_locks;

--echo '#---------------------FN_DYNVARS_046_09----------------------#'
################################################################### 
#      Check if TRUE and FALSE values can be used on variable     #
################################################################### 

SET @@session.innodb_table_locks = TRUE;
SELECT @@session.innodb_table_locks;
SET @@session.innodb_table_locks = FALSE;
SELECT @@session.innodb_table_locks;

SET @@global.innodb_table_locks = TRUE;
SELECT @@global.innodb_table_locks;
SET @@global.innodb_table_locks = FALSE;
SELECT @@global.innodb_table_locks;

##############################  
#   Restore initial value    #
##############################

SET @@session.innodb_table_locks = @session_start_value;
SELECT @@session.innodb_table_locks;

SET @@global.innodb_table_locks = @global_start_value;
SELECT @@global.innodb_table_locks;

###############################################################
#                    END OF innodb_table_locks TESTS          #
###############################################################

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