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System variable tests delivered by Folio3 (see WL4288).
BitKeeper/etc/ignore: Added mysql-test/linux_sys_vars.inc mysql-test/load_sysvars.inc mysql-test/windows_sys_vars.inc to the ignore list
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251
mysql-test/t/tx_isolation_basic.test
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251
mysql-test/t/tx_isolation_basic.test
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################# mysql-test\t\tx_isolation_basic.test ########################
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# #
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# Variable Name: tx_isolation #
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# Scope: GLOBAL | SESSION #
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# Access Type: Dynamic #
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# Data Type: enumeration #
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# Default Value: REPEATABLE-READ #
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# Valid Values: READ-UNCOMMITTED, READCOMMITTED, REPEATABLE-READ,SERIALIZABLE #
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# #
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# #
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# Creation Date: 2008-02-07 #
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# Author: Rizwan #
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# #
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# Description: Test Cases of Dynamic System Variable tx_isolation #
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# that checks the behavior of this variable in the following ways#
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# * Default Value #
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# * Valid & Invalid values #
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# * Scope & Access method #
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# * Data Integrity #
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# #
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# Reference: http://dev.mysql.com/doc/refman/5.1/en/ #
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# server-system-variables.html #
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# #
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###############################################################################
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--source include/load_sysvars.inc
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########################################################################
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# START OF tx_isolation TESTS #
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########################################################################
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#########################################################################
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# Saving initial value of tx_isolation in a temporary variable #
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#########################################################################
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SET @global_start_value = @@global.tx_isolation;
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SELECT @global_start_value;
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SET @session_start_value = @@session.tx_isolation;
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SELECT @session_start_value;
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--echo '#--------------------FN_DYNVARS_183_01------------------------#'
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####################################################################
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# Display the DEFAULT value of tx_isolation #
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####################################################################
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SET @@global.tx_isolation = 'READ-UNCOMMITTED';
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--Error ER_NO_DEFAULT
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SET @@global.tx_isolation = DEFAULT;
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--echo 'Bug# 34878: Documentation specifies a DEFAULT value of REPEATABLE-READ';
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--echo 'where as DEFAULT is not supported here.';
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SET @@session.tx_isolation = 'SERIALIZABLE';
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SET @@session.tx_isolation = DEFAULT;
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SELECT @@session.tx_isolation;
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--echo 'Bug# 34876: Documentation specifies a DEFAULT value of REPEATABLE-READ';
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--echo 'where as DEFAULT here as no effect.';
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--echo '#---------------------FN_DYNVARS_183_02-------------------------#'
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#########################################################
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# Check if NULL or empty value is accepeted #
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#########################################################
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@global.tx_isolation = NULL;
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@global.tx_isolation = '';
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@session.tx_isolation = NULL;
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@session.tx_isolation = '';
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--echo '#--------------------FN_DYNVARS_183_03------------------------#'
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#####################################################################
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# Change the value of tx_isolation to a valid value #
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#####################################################################
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SET @@global.tx_isolation = 'READ-UNCOMMITTED';
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 'read-COMMITTED';
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 'REPEATABLE-READ';
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 'SERIALIZable';
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SELECT @@global.tx_isolation;
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SET @@session.tx_isolation = 'READ-UNCOMMITTED';
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SELECT @@session.tx_isolation;
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SET @@session.tx_isolation = 'READ-COMMITTED';
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SELECT @@session.tx_isolation;
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SET @@session.tx_isolation = 'REPEATABLE-READ';
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SELECT @@session.tx_isolation;
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SET @@session.tx_isolation = 'serializable';
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SELECT @@session.tx_isolation;
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--echo '#--------------------FN_DYNVARS_183_04-------------------------#'
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#######################################################################
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# Change the value of tx_isolation to invalid value #
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#######################################################################
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# for global scope
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@global.tx_isolation = -1;
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@global.tx_isolation = READUNCOMMITTED;
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SET @@global.tx_isolation = 'REPEATABLE';
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SELECT @@global.tx_isolation;
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--echo 'Bug# 34833: REPEATABLE is not documented as as valid tx_isolation level'
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@global.tx_isolation = OFF;
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@global.tx_isolation = ON;
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@global.tx_isolation = 'NON-SERIALIZABLE';
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# for session scope
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@tx_isolation = -1;
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@tx_isolation = READUNCOMMITTED;
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SET @@tx_isolation = 'REPEATABLE';
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SELECT @@tx_isolation;
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--echo 'Bug# 34833: REPEATABLE is not documented as as valid tx_isolation level'
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@tx_isolation = 'NONE';
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@tx_isolation = 'ALL';
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--echo '#-------------------FN_DYNVARS_183_05----------------------------#'
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#########################################################################
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# Check if the value in session Table matches value in variable #
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#########################################################################
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SELECT @@session.tx_isolation = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.SESSION_VARIABLES
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WHERE VARIABLE_NAME='tx_isolation';
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--echo '#----------------------FN_DYNVARS_183_06------------------------#'
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#########################################################################
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# Check if the value in GLOBAL Table matches value in variable #
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#########################################################################
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SELECT @@global.tx_isolation = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
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WHERE VARIABLE_NAME='tx_isolation';
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--echo '#---------------------FN_DYNVARS_183_07-------------------------#'
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###################################################################
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# Check if numbers can be used on variable #
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###################################################################
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# test if variable accepts 0,1,2
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SET @@global.tx_isolation = 0;
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 1;
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 2;
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 3;
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SELECT @@global.tx_isolation;
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# use of decimal values
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SET @@global.tx_isolation = 0.4;
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 1.1;
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 1.5;
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = 2.9;
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SELECT @@global.tx_isolation;
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SET @@session.tx_isolation = 3.49;
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SELECT @@session.tx_isolation;
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--Error ER_WRONG_VALUE_FOR_VAR
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SET @@session.tx_isolation = 3.6;
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--echo 'Bug: Decimal values can be used within the range [0.0-3.5).';
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--echo 'Values are rounded to 0,1,2,3 as evident from outcome.';
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--echo '#---------------------FN_DYNVARS_183_08----------------------#'
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###################################################################
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# Check if TRUE and FALSE values can be used on variable #
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###################################################################
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SET @@global.tx_isolation = TRUE;
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SELECT @@global.tx_isolation;
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SET @@global.tx_isolation = FALSE;
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SELECT @@global.tx_isolation;
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--echo '#---------------------FN_DYNVARS_183_09----------------------#'
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########################################################################
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# Check if tx_isolation can be accessed with and without @@ sign #
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########################################################################
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SET tx_isolation = 'REPEATABLE-READ';
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--Error ER_PARSE_ERROR
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SET session.tx_isolation = 'REPEATABLE-READ';
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--Error ER_PARSE_ERROR
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SET global.tx_isolation = 'REPEATABLE-READ';
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#using SET SESSION|GLOBAL syntax
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SET session tx_isolation = 'REPEATABLE-READ';
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SELECT @@tx_isolation;
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SET global tx_isolation = 'REPEATABLE-READ';
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SELECT @@global.tx_isolation;
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##############################
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# Restore initial value #
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##############################
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SET @@global.tx_isolation = @global_start_value;
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SELECT @@global.tx_isolation;
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SET @@session.tx_isolation = @session_start_value;
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SELECT @@session.tx_isolation;
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####################################################################
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# END OF tx_isolation TESTS #
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####################################################################
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