################# mysql-test\t\innodb_purge_batch_size_basic.test #############
#                                                                             #
# Variable Name: innodb_purge_batch_size                                      #
# 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_purge_batch_size    #
#             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_purge_batch_size TESTS            #
########################################################################


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

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

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

SET @@global.innodb_purge_batch_size = 1;
SET @@global.innodb_purge_batch_size = DEFAULT;
SELECT @@global.innodb_purge_batch_size;

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

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

--Error ER_UNKNOWN_TABLE
SELECT local.innodb_purge_batch_size;

SET global innodb_purge_batch_size = 1;
SELECT @@global.innodb_purge_batch_size;

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

SET @@global.innodb_purge_batch_size = 1;
SELECT @@global.innodb_purge_batch_size;

SET @@global.innodb_purge_batch_size = 5000;
SELECT @@global.innodb_purge_batch_size;
SET @@global.innodb_purge_batch_size = 4294967295;
SELECT @@global.innodb_purge_batch_size;

--echo '#--------------------FN_DYNVARS_046_04-------------------------#'
###########################################################################
#       Change the value of innodb_purge_batch_size to invalid value      #
########################################################################### 

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

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

--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_purge_batch_size = "Y";
SELECT @@global.innodb_purge_batch_size;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_purge_batch_size = ' ';
SELECT @@global.innodb_purge_batch_size;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_purge_batch_size = " ";
SELECT @@global.innodb_purge_batch_size;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_purge_batch_size = 1.1;
SELECT @@global.innodb_purge_batch_size;

SET @@global.innodb_purge_batch_size = 4294967297;
SELECT @@global.innodb_purge_batch_size;

--echo '#----------------------FN_DYNVARS_046_05------------------------#'
######################################################################### 
#     Check if the value in GLOBAL Table matches value in variable      #
#########################################################################

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

--echo '#---------------------FN_DYNVARS_046_06-------------------------#'
################################################################### 
#        Check if ON and OFF values can be used on variable       #
###################################################################

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

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

--echo '#---------------------FN_DYNVARS_046_07----------------------#'
###################################################################
#      Check if TRUE and FALSE values can be used on variable     #
################################################################### 


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

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

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

###############################################################
#                    END OF innodb_purge_batch_size TESTS     #
###############################################################