MINI MINI MANI MO
####################################################################
# Displaying default value #
####################################################################
SELECT @@GLOBAL.metadata_locks_hash_instances;
@@GLOBAL.metadata_locks_hash_instances
8
Warnings:
Warning 1287 '@@metadata_locks_hash_instances' is deprecated and will be removed in a future release.
####################################################################
# Check that value cannot be set (this variable is settable only #
# at start-up). #
####################################################################
SET @@GLOBAL.metadata_locks_hash_instances=1;
ERROR HY000: Variable 'metadata_locks_hash_instances' is a read only variable
SELECT @@GLOBAL.metadata_locks_hash_instances;
@@GLOBAL.metadata_locks_hash_instances
8
Warnings:
Warning 1287 '@@metadata_locks_hash_instances' is deprecated and will be removed in a future release.
#################################################################
# Check if the value in GLOBAL Table matches value in variable #
#################################################################
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='metadata_locks_hash_instances'
into @tmp;
SELECT @@GLOBAL.metadata_locks_hash_instances = @tmp;
@@GLOBAL.metadata_locks_hash_instances = @tmp
1
Warnings:
Warning 1287 '@@metadata_locks_hash_instances' is deprecated and will be removed in a future release.
SELECT @@GLOBAL.metadata_locks_hash_instances;
@@GLOBAL.metadata_locks_hash_instances
8
Warnings:
Warning 1287 '@@metadata_locks_hash_instances' is deprecated and will be removed in a future release.
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='metadata_locks_hash_instances';
VARIABLE_VALUE
8
######################################################################
# Check if accessing variable with and without GLOBAL point to same #
# variable #
######################################################################
SELECT @@metadata_locks_hash_instances = @@GLOBAL.metadata_locks_hash_instances;
@@metadata_locks_hash_instances = @@GLOBAL.metadata_locks_hash_instances
1
Warnings:
Warning 1287 '@@metadata_locks_hash_instances' is deprecated and will be removed in a future release.
Warning 1287 '@@metadata_locks_hash_instances' is deprecated and will be removed in a future release.
######################################################################
# Check if variable has only the GLOBAL scope #
######################################################################
SELECT @@metadata_locks_hash_instances;
@@metadata_locks_hash_instances
8
Warnings:
Warning 1287 '@@metadata_locks_hash_instances' is deprecated and will be removed in a future release.
SELECT @@GLOBAL.metadata_locks_hash_instances;
@@GLOBAL.metadata_locks_hash_instances
8
Warnings:
Warning 1287 '@@metadata_locks_hash_instances' is deprecated and will be removed in a future release.
SELECT @@local.metadata_locks_hash_instances;
ERROR HY000: Variable 'metadata_locks_hash_instances' is a GLOBAL variable
SELECT @@SESSION.metadata_locks_hash_instances;
ERROR HY000: Variable 'metadata_locks_hash_instances' is a GLOBAL variable
OHA YOOOO