mariadb/mysql-test/t/tx_isolation_basic.test
unknown b00c536378 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
2008-04-10 15:14:28 +02:00

251 lines
9.2 KiB
Text

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