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set completion_type=CHAIN;
set global low_priority_updates=1;
install soname 'sql_errlog';
select * from information_schema.system_variables
where variable_name in (
'completion_type', #session!=global, origin=compile-time
'low_priority_updates', #global!=default, origin=sql
'column_compression_threshold', #origin=command-line
'plugin_maturity', #origin=config
'sql_error_log_rate', #plugin, origin=command-line
'sql_error_log_rotations' #plugin, origin=config
)
order by variable_name;
VARIABLE_NAME COLUMN_COMPRESSION_THRESHOLD
SESSION_VALUE 120
GLOBAL_VALUE 120
GLOBAL_VALUE_ORIGIN COMMAND-LINE
DEFAULT_VALUE 100
VARIABLE_SCOPE SESSION
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Minimum column data length eligible for compression
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 4294967295
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
GLOBAL_VALUE_PATH NULL
VARIABLE_NAME COMPLETION_TYPE
SESSION_VALUE CHAIN
GLOBAL_VALUE NO_CHAIN
GLOBAL_VALUE_ORIGIN COMPILE-TIME
DEFAULT_VALUE NO_CHAIN
VARIABLE_SCOPE SESSION
VARIABLE_TYPE ENUM
VARIABLE_COMMENT The transaction completion type
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NO_CHAIN,CHAIN,RELEASE
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
GLOBAL_VALUE_PATH NULL
VARIABLE_NAME LOW_PRIORITY_UPDATES
SESSION_VALUE OFF
GLOBAL_VALUE ON
GLOBAL_VALUE_ORIGIN SQL
DEFAULT_VALUE OFF
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT INSERTvar/UPDATE has lower priority than selects
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
GLOBAL_VALUE_PATH NULL
VARIABLE_NAME PLUGIN_MATURITY
SESSION_VALUE NULL
GLOBAL_VALUE alpha
GLOBAL_VALUE_ORIGIN CONFIG
DEFAULT_VALUE experimental
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE ENUM
VARIABLE_COMMENT The lowest desirable plugin maturity. Plugins less mature than that will not be installed or loaded
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST unknown,experimental,alpha,beta,gamma,stable
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
GLOBAL_VALUE_PATH var/my.cnf
VARIABLE_NAME SQL_ERROR_LOG_RATE
SESSION_VALUE NULL
GLOBAL_VALUE 100
GLOBAL_VALUE_ORIGIN COMMAND-LINE
DEFAULT_VALUE 1
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Sampling rate. If set to 0(zero), the logging is disabled.
NUMERIC_MIN_VALUE 0
NUMERIC_MAX_VALUE 1000000
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
GLOBAL_VALUE_PATH NULL
VARIABLE_NAME SQL_ERROR_LOG_ROTATIONS
SESSION_VALUE NULL
GLOBAL_VALUE 5
GLOBAL_VALUE_ORIGIN CONFIG
DEFAULT_VALUE 9
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT Number of rotations before log is removed.
NUMERIC_MIN_VALUE 1
NUMERIC_MAX_VALUE 999
NUMERIC_BLOCK_SIZE 1
ENUM_VALUE_LIST NULL
READ_ONLY YES
COMMAND_LINE_ARGUMENT REQUIRED
GLOBAL_VALUE_PATH var/my.cnf
create user foo@localhost;
connect foo,localhost,foo;
select global_value_path from information_schema.system_variables where variable_name='plugin_maturity';
global_value_path NULL
connection default;
select global_value_path from information_schema.system_variables where variable_name='plugin_maturity';
global_value_path var/my.cnf
drop user foo@localhost;
set global low_priority_updates=default;
uninstall soname 'sql_errlog';
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