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Current File : /www/server/mysql/src/mysql-test/suite/sys_vars/t/innodb_sync_spin_loops_basic.test
################# mysql-test\t\innodb_sync_spin_loops_basic.test ##############
#                                                                             #
# Variable Name: innodb_sync_spin_loops                                       #
# Scope: GLOBAL                                                               #
# Access Type: Dynamic                                                        #
# Data Type: Numeric                                                          #
# Default Value: 20                                                           #
# Range: 0-4294967295                                                         #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author:  Rizwan                                                             #
#                                                                             #
#Description:Test Cases of Dynamic System Variable innodb_sync_spin_loops     #
#             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/have_innodb.inc
--source include/load_sysvars.inc

########################################################################
#                    START OF innodb_sync_spin_loops TESTS             #
########################################################################


############################################################################
#   Saving initial value of innodb_sync_spin_loops in a temporary variable #
############################################################################

SET @global_start_value = @@global.innodb_sync_spin_loops;
SELECT @global_start_value;

--echo '#--------------------FN_DYNVARS_046_01------------------------#'
########################################################################
#           Display the DEFAULT value of innodb_sync_spin_loops        #
########################################################################

SET @@global.innodb_sync_spin_loops = 0;
SET @@global.innodb_sync_spin_loops = DEFAULT;
SELECT @@global.innodb_sync_spin_loops;

--echo '#---------------------FN_DYNVARS_046_02-------------------------#'
##############################################################################
#   Check if innodb_sync_spin_loops can be accessed with and without @@ sign #
##############################################################################

--Error ER_GLOBAL_VARIABLE
SET innodb_sync_spin_loops = 1;
SELECT @@innodb_sync_spin_loops;

--Error ER_UNKNOWN_TABLE
SELECT local.innodb_sync_spin_loops;

SET global innodb_sync_spin_loops = 0;
SELECT @@global.innodb_sync_spin_loops;

--echo '#--------------------FN_DYNVARS_046_03------------------------#'
##########################################################################
#      change the value of innodb_sync_spin_loops to a valid value       #
##########################################################################

SET @@global.innodb_sync_spin_loops = 0;
SELECT @@global.innodb_sync_spin_loops;

SET @@global.innodb_sync_spin_loops = 65535;
SELECT @@global.innodb_sync_spin_loops;

SET @@global.innodb_sync_spin_loops = 4294967295;
SELECT @@global.innodb_sync_spin_loops;

--echo '#--------------------FN_DYNVARS_046_04-------------------------#'
###########################################################################
#       Check the value of innodb_sync_spin_loops for out of bounds       #
###########################################################################

# With a 64 bit mysqld:18446744073709551615,with a 32 bit mysqld: 4294967295
--disable_warnings
SET @@global.innodb_sync_spin_loops = 4294967296;
--enable_warnings
SELECT @@global.innodb_sync_spin_loops IN (4294967296,4294967295);

--disable_warnings
SET @@global.innodb_sync_spin_loops = 12345678901;
--enable_warnings
SELECT @@global.innodb_sync_spin_loops IN (12345678901,4294967295);

--disable_warnings
SET @@global.innodb_sync_spin_loops = 18446744073709551615;
--enable_warnings
SELECT @@global.innodb_sync_spin_loops IN (18446744073709551615,4294967295);

--echo '#--------------------FN_DYNVARS_046_05-------------------------#'
###########################################################################
#       Change the value of innodb_sync_spin_loops to invalid value       #
########################################################################### 

SET @@global.innodb_sync_spin_loops = -1;
SELECT @@global.innodb_sync_spin_loops;

--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_sync_spin_loops = "T";
SELECT @@global.innodb_sync_spin_loops;

--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_sync_spin_loops = "Y";
SELECT @@global.innodb_sync_spin_loops;

--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_sync_spin_loops = 65535.01;
SELECT @@global.innodb_sync_spin_loops;

SET @@global.innodb_sync_spin_loops = -1024;
SELECT @@global.innodb_sync_spin_loops;

--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_sync_spin_loops = " ";
SELECT @@global.innodb_sync_spin_loops;

--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_sync_spin_loops = ' ';
SELECT @@global.innodb_sync_spin_loops;

--echo '#----------------------FN_DYNVARS_046_06------------------------#'
######################################################################### 
#     Check if the value in GLOBAL Table matches value in variable      #
#########################################################################

--disable_warnings
SELECT @@global.innodb_sync_spin_loops =
 VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='innodb_sync_spin_loops';
--enable_warnings
SELECT @@global.innodb_sync_spin_loops;
--disable_warnings
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
 WHERE VARIABLE_NAME='innodb_sync_spin_loops';
--enable_warnings

--echo '#---------------------FN_DYNVARS_046_07-------------------------#'
################################################################### 
#        Check if ON and OFF values can be used on variable       #
###################################################################

--ERROR ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_sync_spin_loops = OFF;
SELECT @@global.innodb_sync_spin_loops;

--ERROR ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_sync_spin_loops = ON;
SELECT @@global.innodb_sync_spin_loops;

--echo '#---------------------FN_DYNVARS_046_08----------------------#'
###################################################################
#      Check if TRUE and FALSE values can be used on variable     #
################################################################### 


SET @@global.innodb_sync_spin_loops = TRUE;
SELECT @@global.innodb_sync_spin_loops;
SET @@global.innodb_sync_spin_loops = FALSE;
SELECT @@global.innodb_sync_spin_loops;

##############################
#   Restore initial value    #
##############################

SET @@global.innodb_sync_spin_loops = @global_start_value;
SELECT @@global.innodb_sync_spin_loops;

###############################################################
#                    END OF innodb_sync_spin_loops TESTS      #
############################################################### 

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