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

################## mysql-test\t\sql_auto_is_null_basic.test ###################
#                                                                             #
# Variable Name: sql_auto_is_null                                             #
# Scope: Session                                                              #
# Access Type: Static                                                         #
# Data Type: filename                                                         #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author : Sharique Abdullah                                                      #
#                                                                             #
#                                                                             #
# Description:Test Cases of Dynamic System Variable sql_auto_is_null          #
#             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                                               #
#                                                                             #
###############################################################################

--echo '#---------------------BS_STVARS_044_01----------------------#'
####################################################################
#   Displaying default value                                       #
####################################################################

SELECT @@session.sql_auto_is_null;

--echo '#---------------------BS_STVARS_044_02----------------------#'
####################################################################
#   Check if Value can set                                         #
####################################################################

SET @@session.sql_auto_is_null=1;
SELECT @@session.sql_auto_is_null;

--echo '#---------------------BS_STVARS_044_03----------------------#'
#################################################################
# Check if the value in session Table matches value in variable #
#################################################################

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

SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='sql_auto_is_null';
--enable_warnings

--echo '#---------------------BS_STVARS_044_05----------------------#'
################################################################################
#   Check if sql_auto_is_null can be accessed with and without @@ sign         #
################################################################################

SELECT @@sql_auto_is_null;
SELECT @@local.sql_auto_is_null;
SELECT @@session.sql_auto_is_null;

SELECT @@global.sql_auto_is_null;


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