File: metadata_locks_hash_instances_basic.result

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file content (51 lines) | stat: -rw-r--r-- 2,477 bytes parent folder | download | duplicates (12)
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####################################################################
#   Displaying default value                                       #
####################################################################
SELECT @@GLOBAL.metadata_locks_hash_instances;
@@GLOBAL.metadata_locks_hash_instances
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####################################################################
# 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
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#################################################################
# Check if the value in GLOBAL Table matches value in variable  #
#################################################################
SELECT @@GLOBAL.metadata_locks_hash_instances = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='metadata_locks_hash_instances';
@@GLOBAL.metadata_locks_hash_instances = VARIABLE_VALUE
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SELECT @@GLOBAL.metadata_locks_hash_instances;
@@GLOBAL.metadata_locks_hash_instances
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SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='metadata_locks_hash_instances';
VARIABLE_VALUE
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######################################################################
#  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
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######################################################################
#  Check if variable has only the GLOBAL scope                       #
######################################################################
SELECT @@metadata_locks_hash_instances;
@@metadata_locks_hash_instances
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SELECT @@GLOBAL.metadata_locks_hash_instances;
@@GLOBAL.metadata_locks_hash_instances
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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