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			7.1 KiB
		
	
	
	
		
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			173 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| ############## mysql-test\t\max_user_connections_basic.test ###############
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| #                                                                             #
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| # Variable Name: max_user_connections                                         #
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| # Scope: GLOBAL | SESSION                                                     #
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| # Access Type: Dynamic                                                        #
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| # Data Type: numeric                                                          #
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| # Default Value: -                                                            #
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| # Range: 1-4294967295                                                         #
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| #                                                                             #
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| #                                                                             #
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| # Creation Date: 2008-02-07                                                   #
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| # Author:  Salman                                                             #
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| #                                                                             #
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| # Description: Test Cases of Dynamic System Variable max_user_connections     #
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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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| 
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| --source include/load_sysvars.inc
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| 
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| ####################################
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| #   START OF max_user_connections TESTS  #
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| ####################################
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| 
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| 
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| #############################################################
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| #                 Save initial value                        #
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| #############################################################
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| 
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| SET @start_global_value = @@global.max_user_connections;
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| SELECT @start_global_value;
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| SET @start_session_value = @@session.max_user_connections;
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| SELECT @start_session_value;
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| 
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| 
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| --echo '#--------------------FN_DYNVARS_087_01-------------------------#'
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| ######################################################
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| #    Display the DEFAULT value of max_user_connections     #
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| ######################################################
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| 
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| SET @@global.max_user_connections = 1000;
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| SET @@global.max_user_connections = DEFAULT;
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| SELECT @@global.max_user_connections;
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| 
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| --Error ER_GLOBAL_VARIABLE  
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| SET @@session.max_user_connections = 1000;
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| --Error ER_NO_DEFAULT  
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| SET @@session.max_user_connections = DEFAULT;
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| SELECT @@session.max_user_connections;
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| --echo 'Bug # 34837: Errors are not coming on assigning invalid values to variable';
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| 
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| 
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| --echo '#--------------------FN_DYNVARS_087_02-------------------------#'
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| ######################################################
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| #     Check the DEFAULT value of max_user_connections      #
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| ######################################################
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| 
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| SET @@global.max_user_connections = DEFAULT;
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| SELECT @@global.max_user_connections = 0;
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| 
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| --Error ER_NO_DEFAULT
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| SET @@session.max_user_connections = DEFAULT;
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| SELECT @@session.max_user_connections = 0;
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| 
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| 
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| 
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| --echo '#--------------------FN_DYNVARS_087_03-------------------------#'
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| ########################################################################
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| # Change the value of max_user_connections to a valid value for GLOBAL Scope #
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| ########################################################################
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| 
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| SET @@global.max_user_connections = 1;
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| SELECT @@global.max_user_connections;
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| SET @@global.max_user_connections = 2;
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| SELECT @@global.max_user_connections;
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| SET @@global.max_user_connections = 65536;
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| SELECT @@global.max_user_connections;
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| SET @@global.max_user_connections = 4294967295;
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| SELECT @@global.max_user_connections;
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| SET @@global.max_user_connections = 4294967294;
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| SELECT @@global.max_user_connections;
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| 
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| 
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| 
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| --echo '#------------------FN_DYNVARS_087_05-----------------------#'
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| ##########################################################
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| # Change the value of max_user_connections to an invalid value #
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| ##########################################################
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| 
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| SET @@global.max_user_connections = -1024;
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| SELECT @@global.max_user_connections;
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| SET @@global.max_user_connections = 4294967296;
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| SELECT @@global.max_user_connections;
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| SET @@global.max_user_connections = -1;
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| SELECT @@global.max_user_connections;
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| SET @@global.max_user_connections = 429496729500;
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| SELECT @@global.max_user_connections;
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| --Error ER_PARSE_ERROR
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| SET @@global.max_user_connections = 65530.34.;
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| SELECT @@global.max_user_connections;
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| --Error ER_WRONG_TYPE_FOR_VAR
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| SET @@global.max_user_connections = test;
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| SELECT @@global.max_user_connections;
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| 
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| 
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| 
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| --echo '#------------------FN_DYNVARS_087_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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| 
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| 
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| SELECT @@global.max_user_connections = VARIABLE_VALUE 
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| FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
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| WHERE VARIABLE_NAME='max_user_connections';
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| 
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| 
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| --echo '#------------------FN_DYNVARS_087_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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| 
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| SET @@global.max_user_connections = TRUE;
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| SELECT @@global.max_user_connections;
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| SET @@global.max_user_connections = FALSE;
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| SELECT @@global.max_user_connections;
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| 
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| 
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| --echo '#---------------------FN_DYNVARS_087_09----------------------#'
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| #################################################################################
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| #  Check if accessing variable with and without GLOBAL point to same variable   #
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| #################################################################################
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| 
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| SET @@global.max_user_connections = 20;
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| SELECT @@max_user_connections = @@global.max_user_connections;
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| 
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| 
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| --echo '#---------------------FN_DYNVARS_087_11----------------------#'
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| #########################################################################
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| #   Check if max_user_connections can be accessed with and without @@ sign    #
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| #########################################################################
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| 
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| 
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| SET @@global.max_user_connections = 102;
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| SELECT @@max_user_connections;
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| --Error ER_UNKNOWN_TABLE
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| SELECT local.max_user_connections;
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| --Error ER_UNKNOWN_TABLE
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| SELECT session.max_user_connections;
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| --Error ER_BAD_FIELD_ERROR
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| SELECT max_user_connections = @@session.max_user_connections;
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| 
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| 
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| ####################################
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| #     Restore initial value        #
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| ####################################
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| 
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| SET @@global.max_user_connections = @start_global_value;
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| SELECT @@global.max_user_connections;
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| 
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| 
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| ###################################################
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| #           END OF max_user_connections TESTS     #
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| ###################################################
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| 
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