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C:/xampp/mysql/mysql-test/suite/sys_vars/inc/_[ Writable ]

File:C:/xampp/mysql/mysql-test/suite/sys_vars/inc/min_examined_row_limit_basic.inc

############## mysql-test\t\min_examined_row_limit_basic.test ###############
#                                                                             #
# Variable Name: min_examined_row_limit                                       #
# Scope: GLOBAL | SESSION                                                     #
# Access Type: Dynamic                                                        #
# Data Type: numeric                                                          #
# Default Value:  0                                                           #
# Range:0-4294967295                                                          #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author:  Salman                                                             #
#                                                                             #
# Description: Test Cases of Dynamic System Variable min_examined_row_limit   #
#              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/load_sysvars.inc

######################################################################
#           START OF min_examined_row_limit TESTS                    #
######################################################################


#############################################################
#                 Save initial value                        #
#############################################################

SET @start_global_value = @@global.min_examined_row_limit;
SELECT @start_global_value;
SET @start_session_value = @@session.min_examined_row_limit;
SELECT @start_session_value;


--echo '#--------------------FN_DYNVARS_089_01-------------------------#'
######################################################################
#     Display the DEFAULT value of min_examined_row_limit            #
######################################################################

SET @@global.min_examined_row_limit = 100;
SET @@global.min_examined_row_limit = DEFAULT;
SELECT @@global.min_examined_row_limit;

SET @@session.min_examined_row_limit = 200;
SET @@session.min_examined_row_limit = DEFAULT;
SELECT @@session.min_examined_row_limit;


--echo '#--------------------FN_DYNVARS_089_02-------------------------#'
########################################################################
#     Check the DEFAULT value of min_examined_row_limit              #
########################################################################

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

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


--echo '#--------------------FN_DYNVARS_089_03-------------------------#'
################################################################################
# Change the value of min_examined_row_limit to a valid value for GLOBAL Scope #
################################################################################

SET @@global.min_examined_row_limit = 0;
SELECT @@global.min_examined_row_limit;
SET @@global.min_examined_row_limit = 1;
SELECT @@global.min_examined_row_limit;
SET @@global.min_examined_row_limit = 60020;
SELECT @@global.min_examined_row_limit;
SET @@global.min_examined_row_limit = 65535;
SELECT @@global.min_examined_row_limit;
SET @@global.min_examined_row_limit = 4294967295;
SELECT @@global.min_examined_row_limit;
SET @@global.min_examined_row_limit = 4294967294;
SELECT @@global.min_examined_row_limit;



--echo '#--------------------FN_DYNVARS_089_04-------------------------#'
###################################################################################
# Change the value of min_examined_row_limit to a valid value for SESSION Scope #
###################################################################################
 
SET @@session.min_examined_row_limit = 0;
SELECT @@session.min_examined_row_limit;
SET @@session.min_examined_row_limit = 1;
SELECT @@session.min_examined_row_limit;
SET @@session.min_examined_row_limit = 50050;
SELECT @@session.min_examined_row_limit;
SET @@session.min_examined_row_limit = 65535;
SELECT @@session.min_examined_row_limit;
SET @@session.min_examined_row_limit = 4294967295;
SELECT @@session.min_examined_row_limit;
SET @@session.min_examined_row_limit = 4294967294;
SELECT @@session.min_examined_row_limit;


--echo '#------------------FN_DYNVARS_089_05-----------------------#'
####################################################################
# Change the value of min_examined_row_limit to an invalid value #
####################################################################

SET @@global.min_examined_row_limit = 429496726;
SELECT @@global.min_examined_row_limit;
SET @@global.min_examined_row_limit = -1024;
SELECT @@global.min_examined_row_limit;
SET @@global.min_examined_row_limit = 429496729500;
SELECT @@global.min_examined_row_limit;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.min_examined_row_limit = 65530.34;
SELECT @@global.min_examined_row_limit;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.min_examined_row_limit = test;
SELECT @@global.min_examined_row_limit;

SET @@session.min_examined_row_limit = 4294967296;
SELECT @@session.min_examined_row_limit;
SET @@session.min_examined_row_limit = -1;
SELECT @@session.min_examined_row_limit;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@session.min_examined_row_limit = 65530.34;
SET @@session.min_examined_row_limit = 4294967295021;
SELECT @@session.min_examined_row_limit;

--Error ER_WRONG_TYPE_FOR_VAR
SET @@session.min_examined_row_limit = test;
SELECT @@session.min_examined_row_limit;


--echo '#------------------FN_DYNVARS_089_06-----------------------#'
####################################################################
#   Check if the value in GLOBAL Table matches value in variable   #
####################################################################


SELECT @@global.min_examined_row_limit = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='min_examined_row_limit';

--echo '#------------------FN_DYNVARS_089_07-----------------------#'
####################################################################
#  Check if the value in SESSION Table matches value in variable   #
####################################################################

SELECT @@session.min_examined_row_limit = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='min_examined_row_limit';


--echo '#------------------FN_DYNVARS_089_08-----------------------#'
####################################################################
#     Check if TRUE and FALSE values can be used on variable       #
####################################################################

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


--echo '#---------------------FN_DYNVARS_089_09----------------------#'
#################################################################################### 
#  Check if accessing variable with and without GLOBAL point to same variable   #
#################################################################################### 

SET @@global.min_examined_row_limit = 10;
SELECT @@min_examined_row_limit = @@global.min_examined_row_limit;


--echo '#---------------------FN_DYNVARS_089_10----------------------#'
########################################################################################################
#    Check if accessing variable with SESSION,LOCAL and without SCOPE points to same session variable  #
########################################################################################################

SET @@min_examined_row_limit = 100;
SELECT @@min_examined_row_limit = @@local.min_examined_row_limit;
SELECT @@local.min_examined_row_limit = @@session.min_examined_row_limit;


--echo '#---------------------FN_DYNVARS_089_11----------------------#'
###################################################################################  
#   Check if min_examined_row_limit can be accessed with and without @@ sign    #
###################################################################################

SET min_examined_row_limit = 1;
SELECT @@min_examined_row_limit;
--Error ER_UNKNOWN_TABLE
SELECT local.min_examined_row_limit;
--Error ER_UNKNOWN_TABLE
SELECT session.min_examined_row_limit;
--Error ER_BAD_FIELD_ERROR
SELECT min_examined_row_limit = @@session.min_examined_row_limit;


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

SET @@global.min_examined_row_limit = @start_global_value;
SELECT @@global.min_examined_row_limit;
SET @@session.min_examined_row_limit = @start_session_value;
SELECT @@session.min_examined_row_limit;


#############################################################
#                 END OF min_examined_row_limit TESTS     #
#############################################################

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Regist : 09-12-2024	Expired : 01-12-2027