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Directory :  /www/server/mysql/src/mysql-test/suite/sys_vars/t/

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Current File : /www/server/mysql/src/mysql-test/suite/sys_vars/t/warning_count_basic.test

################## mysql-test\t\warning_count_basic.test ######################
#                                                                             #
# Variable Name: warning_count                                                #
# Scope: Session                                                              #
# Access Type: Static                                                         #
# Data Type: numeric                                                          #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author : Sharique Abdullah                                                      #
#                                                                             #
#                                                                             #
# Description:Test Cases of Dynamic System Variable warning_count             #
#             that checks the behavior of this variable in the following ways #
#              * Value Check                                                  #
#              * Scope Check                                                  #
#                                                                             #
# Reference: http://dev.mysql.com/doc/refman/5.1/en/                          #
#  server-system-variables.html                                               #
#                                                                             #
###############################################################################

# diagnostics can't be prepared
--disable_ps_protocol

--echo '#---------------------BS_STVARS_057_01----------------------#'
####################################################################
#   Displaying default value                                       #
####################################################################

SELECT COUNT(@@SESSION.warning_count);
--echo 1 Expected

--echo '#---------------------BS_STVARS_057_02----------------------#'
####################################################################
#   Check if Value can set                                         #
####################################################################


--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@SESSION.warning_count=1;
--echo Expected error 'Read only variable'

SELECT COUNT(@@SESSION.warning_count);
--echo 1 Expected




--echo '#---------------------BS_STVARS_057_03----------------------#'
#################################################################
# Check if the value in SESSION Table matches value in variable #
#################################################################

--disable_warnings
SELECT @@SESSION.warning_count = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='warning_count';
--enable_warnings
--echo 1 Expected

SELECT COUNT(@@SESSION.warning_count);
--echo 1 Expected

--disable_warnings
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='warning_count';
--enable_warnings
--echo 1 Expected


--echo '#---------------------BS_STVARS_057_04----------------------#'
################################################################################
#  Check if accessing variable with and without SESSION point to same variable #
################################################################################
SELECT @@warning_count = @@SESSION.warning_count;
--echo 1 Expected



--echo '#---------------------BS_STVARS_057_05----------------------#'
################################################################################
#   Check if warning_count can be accessed with and without @@ sign            #
################################################################################

SELECT COUNT(@@warning_count);
--echo 1 Expected
SELECT COUNT(@@local.warning_count);
--echo 1 Expected
SELECT COUNT(@@SESSION.warning_count);
--echo 1 Expected

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@GLOBAL.warning_count);
--echo Expected error 'Variable is a SESSION variable'

--error ER_BAD_FIELD_ERROR
SELECT COUNT(warning_count = @@GLOBAL.warning_count);
--echo Expected error 'Readonly variable'

--enable_ps_protocol

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