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6e5bbf5138
Original revision id: # revno: 3489 [merge] # revision-id: tatjana.nuernberg@oracle.com-20110811120945-c6x9a5d2du8s9oj2 # parent: tatjana.nuernberg@oracle.com-20110811112736-so8r813hs8dmf7nr # parent: chuck.bell@oracle.com-20110810183949-2s9uxcuoux2p668e # committer: Tatjana Azundris Nuernberg <tatjana.nuernberg@oracle.com> # branch nick: 55-9 # timestamp: Thu 2011-08-11 13:09:45 +0100 # message: # auto-merge This merge revision also has a patch for Bug 12664445, which has been also taken to 5.5.16.
65 lines
2.4 KiB
Plaintext
65 lines
2.4 KiB
Plaintext
SET @start_global_value = @@global.innodb_rollback_segments;
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SELECT @start_global_value;
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@start_global_value
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128
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Valid values are zero or above
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SELECT @@global.innodb_rollback_segments >=0;
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@@global.innodb_rollback_segments >=0
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1
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SELECT @@global.innodb_rollback_segments <=128;
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@@global.innodb_rollback_segments <=128
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1
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SELECT @@global.innodb_rollback_segments;
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@@global.innodb_rollback_segments
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128
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SELECT @@session.innodb_rollback_segments;
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ERROR HY000: Variable 'innodb_rollback_segments' is a GLOBAL variable
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SHOW global variables LIKE 'innodb_rollback_segments';
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Variable_name Value
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innodb_rollback_segments 128
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SHOW session variables LIKE 'innodb_rollback_segments';
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Variable_name Value
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innodb_rollback_segments 128
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SELECT * FROM information_schema.global_variables
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WHERE variable_name='innodb_rollback_segments';
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VARIABLE_NAME VARIABLE_VALUE
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INNODB_ROLLBACK_SEGMENTS 128
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SELECT * FROM information_schema.session_variables
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WHERE variable_name='innodb_rollback_segments';
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VARIABLE_NAME VARIABLE_VALUE
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INNODB_ROLLBACK_SEGMENTS 128
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SET global innodb_rollback_segments=100;
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SELECT @@global.innodb_rollback_segments;
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@@global.innodb_rollback_segments
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100
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SELECT * FROM information_schema.global_variables
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WHERE variable_name='innodb_rollback_segments';
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VARIABLE_NAME VARIABLE_VALUE
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INNODB_ROLLBACK_SEGMENTS 100
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SELECT * FROM information_schema.session_variables
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WHERE variable_name='innodb_rollback_segments';
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VARIABLE_NAME VARIABLE_VALUE
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INNODB_ROLLBACK_SEGMENTS 100
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SET session innodb_rollback_segments=1;
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ERROR HY000: Variable 'innodb_rollback_segments' is a GLOBAL variable and should be set with SET GLOBAL
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SET global innodb_rollback_segments=1.1;
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ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments'
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SET global innodb_rollback_segments=1e1;
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ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments'
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SET global innodb_rollback_segments="foo";
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ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments'
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SET global innodb_rollback_segments=-7;
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Warnings:
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Warning 1292 Truncated incorrect innodb_rollback_segments value: '-7'
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SELECT @@global.innodb_rollback_segments;
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@@global.innodb_rollback_segments
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1
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SELECT * FROM information_schema.global_variables
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WHERE variable_name='innodb_rollback_segments';
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VARIABLE_NAME VARIABLE_VALUE
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INNODB_ROLLBACK_SEGMENTS 1
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SET @@global.innodb_rollback_segments = @start_global_value;
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SELECT @@global.innodb_rollback_segments;
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@@global.innodb_rollback_segments
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128
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