74 lines
2.9 KiB
Plaintext
74 lines
2.9 KiB
Plaintext
SET @start_global_value = @@global.innodb_compression_level;
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SELECT @start_global_value;
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@start_global_value
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6
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Valid value 0-9
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select @@global.innodb_compression_level <= 9;
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@@global.innodb_compression_level <= 9
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1
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select @@global.innodb_compression_level;
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@@global.innodb_compression_level
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6
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select @@session.innodb_compression_level;
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ERROR HY000: Variable 'innodb_compression_level' is a GLOBAL variable
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show global variables like 'innodb_compression_level';
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Variable_name Value
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innodb_compression_level 6
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show session variables like 'innodb_compression_level';
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Variable_name Value
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innodb_compression_level 6
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select * from performance_schema.global_variables where variable_name='innodb_compression_level';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_compression_level 6
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select * from performance_schema.session_variables where variable_name='innodb_compression_level';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_compression_level 6
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set global innodb_compression_level=2;
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select @@global.innodb_compression_level;
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@@global.innodb_compression_level
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2
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select * from performance_schema.global_variables where variable_name='innodb_compression_level';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_compression_level 2
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select * from performance_schema.session_variables where variable_name='innodb_compression_level';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_compression_level 2
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set session innodb_compression_level=4;
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ERROR HY000: Variable 'innodb_compression_level' is a GLOBAL variable and should be set with SET GLOBAL
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set global innodb_compression_level=1.1;
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ERROR 42000: Incorrect argument type to variable 'innodb_compression_level'
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set global innodb_compression_level=1e1;
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ERROR 42000: Incorrect argument type to variable 'innodb_compression_level'
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set global innodb_compression_level="foo";
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ERROR 42000: Incorrect argument type to variable 'innodb_compression_level'
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set global innodb_compression_level=10;
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Warnings:
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Warning 1292 Truncated incorrect innodb_compression_level value: '10'
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select @@global.innodb_compression_level;
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@@global.innodb_compression_level
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9
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select * from performance_schema.global_variables where variable_name='innodb_compression_level';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_compression_level 9
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set global innodb_compression_level=-7;
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Warnings:
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Warning 1292 Truncated incorrect innodb_compression_level value: '-7'
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select @@global.innodb_compression_level;
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@@global.innodb_compression_level
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0
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select * from performance_schema.global_variables where variable_name='innodb_compression_level';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_compression_level 0
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set global innodb_compression_level=0;
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select @@global.innodb_compression_level;
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@@global.innodb_compression_level
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0
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set global innodb_compression_level=9;
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select @@global.innodb_compression_level;
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@@global.innodb_compression_level
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9
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SET @@global.innodb_compression_level = @start_global_value;
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SELECT @@global.innodb_compression_level;
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@@global.innodb_compression_level
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6
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