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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/metadata_locks_hash_instances_basic.test
########## mysql-test\t\metadata_locks_hash_instances_basic.test ##############
#                                                                             #
# Variable Name: metadata_locks_hash_instances                                #
# Scope: Global                                                               #
# Access Type: Static                                                         #
# Data Type: Integer                                                          #
#                                                                             #
###############################################################################


--echo ####################################################################
--echo #   Displaying default value                                       #
--echo ####################################################################
SELECT @@GLOBAL.metadata_locks_hash_instances;


--echo ####################################################################
--echo # Check that value cannot be set (this variable is settable only   #
--echo # at start-up).                                                    #
--echo ####################################################################
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.metadata_locks_hash_instances=1;

SELECT @@GLOBAL.metadata_locks_hash_instances;


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

--disable_warnings
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='metadata_locks_hash_instances'
into @tmp;
--enable_warnings

SELECT @@GLOBAL.metadata_locks_hash_instances = @tmp;

SELECT @@GLOBAL.metadata_locks_hash_instances;

--disable_warnings
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='metadata_locks_hash_instances';
--enable_warnings


--echo ######################################################################
--echo #  Check if accessing variable with and without GLOBAL point to same #
--echo #  variable                                                          #
--echo ######################################################################
SELECT @@metadata_locks_hash_instances = @@GLOBAL.metadata_locks_hash_instances;


--echo ######################################################################
--echo #  Check if variable has only the GLOBAL scope                       #
--echo ######################################################################

SELECT @@metadata_locks_hash_instances;

SELECT @@GLOBAL.metadata_locks_hash_instances;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@local.metadata_locks_hash_instances;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@SESSION.metadata_locks_hash_instances;

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