66 lines
2.9 KiB
Plaintext
66 lines
2.9 KiB
Plaintext
SET @start_global_value = @@global.innodb_change_buffering;
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SELECT @start_global_value;
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@start_global_value
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all
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Valid values are 'all', 'deletes', 'changes', 'inserts', 'none', 'purges'
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select @@global.innodb_change_buffering in ('all', 'deletes', 'changes', 'inserts', 'none', 'purges');
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@@global.innodb_change_buffering in ('all', 'deletes', 'changes', 'inserts', 'none', 'purges')
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1
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select @@global.innodb_change_buffering;
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@@global.innodb_change_buffering
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all
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select @@session.innodb_change_buffering;
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ERROR HY000: Variable 'innodb_change_buffering' is a GLOBAL variable
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show global variables like 'innodb_change_buffering';
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Variable_name Value
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innodb_change_buffering all
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show session variables like 'innodb_change_buffering';
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Variable_name Value
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innodb_change_buffering all
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select * from performance_schema.global_variables where variable_name='innodb_change_buffering';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_change_buffering all
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select * from performance_schema.session_variables where variable_name='innodb_change_buffering';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_change_buffering all
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set global innodb_change_buffering='none';
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select @@global.innodb_change_buffering;
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@@global.innodb_change_buffering
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none
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select * from performance_schema.global_variables where variable_name='innodb_change_buffering';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_change_buffering none
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select * from performance_schema.session_variables where variable_name='innodb_change_buffering';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_change_buffering none
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set @@global.innodb_change_buffering='inserts';
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select @@global.innodb_change_buffering;
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@@global.innodb_change_buffering
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inserts
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select * from performance_schema.global_variables where variable_name='innodb_change_buffering';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_change_buffering inserts
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select * from performance_schema.session_variables where variable_name='innodb_change_buffering';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_change_buffering inserts
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set session innodb_change_buffering='some';
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ERROR HY000: Variable 'innodb_change_buffering' is a GLOBAL variable and should be set with SET GLOBAL
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set @@session.innodb_change_buffering='some';
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ERROR HY000: Variable 'innodb_change_buffering' is a GLOBAL variable and should be set with SET GLOBAL
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set global innodb_change_buffering=1.1;
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ERROR 42000: Incorrect argument type to variable 'innodb_change_buffering'
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set global innodb_change_buffering=1;
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SELECT @@global.innodb_change_buffering;
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@@global.innodb_change_buffering
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inserts
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set global innodb_change_buffering=-2;
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ERROR 42000: Variable 'innodb_change_buffering' can't be set to the value of '-2'
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set global innodb_change_buffering=1e1;
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ERROR 42000: Incorrect argument type to variable 'innodb_change_buffering'
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set global innodb_change_buffering='some';
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ERROR 42000: Variable 'innodb_change_buffering' can't be set to the value of 'some'
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SET @@global.innodb_change_buffering = @start_global_value;
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SELECT @@global.innodb_change_buffering;
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@@global.innodb_change_buffering
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all
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