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SET @start_global_value = @@global.log_slow_verbosity;
select @@global.log_slow_verbosity = @@session.log_slow_verbosity;
@@global.log_slow_verbosity = @@session.log_slow_verbosity
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SET @@global.log_slow_verbosity="",@@session.log_slow_verbosity="";
show global variables like 'log_slow_verbosity';
Variable_name Value
log_slow_verbosity
show session variables like 'log_slow_verbosity';
Variable_name Value
log_slow_verbosity
select * from information_schema.global_variables where variable_name='log_slow_verbosity';
VARIABLE_NAME VARIABLE_VALUE
LOG_SLOW_VERBOSITY
select * from information_schema.session_variables where variable_name='log_slow_verbosity';
VARIABLE_NAME VARIABLE_VALUE
LOG_SLOW_VERBOSITY
set global log_slow_verbosity=1;
select @@global.log_slow_verbosity;
@@global.log_slow_verbosity
innodb
set session log_slow_verbosity=1;
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
innodb
set session log_slow_verbosity=1;
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
innodb
set session log_slow_verbosity=2;
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
query_plan
set session log_slow_verbosity=3;
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
innodb,query_plan
set session log_slow_verbosity=4;
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
explain
set session log_slow_verbosity=5;
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
innodb,explain
set session log_slow_verbosity=6;
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
query_plan,explain
set session log_slow_verbosity=7;
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
innodb,query_plan,explain
set session log_slow_verbosity='innodb';
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
innodb
set session log_slow_verbosity='query_plan';
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
query_plan
set session log_slow_verbosity='innodb,query_plan';
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
innodb,query_plan
set session log_slow_verbosity='explain';
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
explain
set session log_slow_verbosity='innodb,query_plan,explain';
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
innodb,query_plan,explain
set session log_slow_verbosity='';
select @@session.log_slow_verbosity;
@@session.log_slow_verbosity
set session log_slow_verbosity=1.1;
ERROR 42000: Incorrect argument type to variable 'log_slow_verbosity'
set session log_slow_verbosity=1e1;
ERROR 42000: Incorrect argument type to variable 'log_slow_verbosity'
set session log_slow_verbosity="foo";
ERROR 42000: Variable 'log_slow_verbosity' can't be set to the value of 'foo'
set session log_slow_verbosity=8;
ERROR 42000: Variable 'log_slow_verbosity' can't be set to the value of '8'
SET @@global.log_slow_verbosity = @start_global_value;
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