109 lines
4.3 KiB
Plaintext
109 lines
4.3 KiB
Plaintext
############## mysql-test/t/innodb_rollback_segments_basic.test ###############
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# #
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# Variable Name: innodb_rollback_segments #
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# Scope: Global #
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# Access Type: Static #
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# Data Type: numeric #
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# #
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# #
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# Creation Date: 2011-07-05 #
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# Author: Sunny Bains #
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# Modified: Kevin Lewis 2015-12-15 #
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# innodb_undo_logs -> innodb_rollback_segments #
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# #
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# Description: Read-Write config global variable innodb_rollback_segments #
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# * Value check #
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# * Scope check #
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# #
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###############################################################################
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SET @start_global_value = @@global.innodb_rollback_segments;
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SELECT @start_global_value;
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--echo #
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--echo # Default value is 128 and exists as global only
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--echo #
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SELECT @@GLOBAL.innodb_rollback_segments;
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SELECT @@GLOBAL.innodb_rollback_segments >=0;
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SELECT @@GLOBAL.innodb_rollback_segments <=128;
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SELECT COUNT(@@GLOBAL.innodb_rollback_segments);
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SELECT COUNT(@@innodb_rollback_segments);
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SHOW GLOBAL variables LIKE 'innodb_rollback_segments';
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SHOW SESSION variables LIKE 'innodb_rollback_segments';
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--echo # Expected below: error 'Variable is a GLOBAL variable'
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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SELECT @@SESSION.innodb_rollback_segments;
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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SELECT COUNT(@@SESSION.innodb_rollback_segments);
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--Error ER_BAD_FIELD_ERROR
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SELECT innodb_rollback_segments = @@SESSION.innodb_rollback_segments;
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--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
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SELECT @@LOCAL.innodb_rollback_segments;
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--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
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SELECT COUNT(@@LOCAL.innodb_rollback_segments);
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--Error ER_BAD_FIELD_ERROR
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SELECT innodb_rollback_segments = @@LOCAL.innodb_rollback_segments;
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--echo #
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--echo # Check if accessing variable with and without GLOBAL point to same variable
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--echo #
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SELECT @@innodb_rollback_segments = @@GLOBAL.innodb_rollback_segments;
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--echo #
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--echo # Check if the value in GLOBAL table matches value in performance_schema
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--echo #
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--disable_warnings
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SELECT * FROM performance_schema.global_variables
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WHERE variable_name='innodb_rollback_segments';
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SELECT * FROM performance_schema.session_variables
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WHERE variable_name='innodb_rollback_segments';
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--enable_warnings
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--echo #
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--echo # Check if value can be set
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--echo #
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SET GLOBAL innodb_rollback_segments=100;
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SELECT @@global.innodb_rollback_segments;
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--disable_warnings
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SELECT * FROM performance_schema.global_variables
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WHERE variable_name='innodb_rollback_segments';
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SELECT * FROM performance_schema.session_variables
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WHERE variable_name='innodb_rollback_segments';
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--enable_warnings
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--error ER_GLOBAL_VARIABLE
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SET SESSION innodb_rollback_segments=101;
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--echo #
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--echo # Valid values are 1 - 128
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--echo #
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--error ER_WRONG_TYPE_FOR_VAR
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SET GLOBAL innodb_rollback_segments=1.1;
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--error ER_WRONG_TYPE_FOR_VAR
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SET GLOBAL innodb_rollback_segments=1e1;
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--error ER_WRONG_TYPE_FOR_VAR
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SET GLOBAL innodb_rollback_segments="foo";
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SET GLOBAL innodb_rollback_segments=-7;
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SELECT @@global.innodb_rollback_segments;
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SET GLOBAL innodb_rollback_segments=0;
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SELECT @@global.innodb_rollback_segments;
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SET GLOBAL innodb_rollback_segments=50;
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SELECT @@global.innodb_rollback_segments;
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SET GLOBAL innodb_rollback_segments=129;
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SELECT @@global.innodb_rollback_segments;
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--disable_warnings
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SELECT * FROM performance_schema.global_variables
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WHERE variable_name='innodb_rollback_segments';
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--enable_warnings
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--echo #
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--echo # cleanup
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--echo #
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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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