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Current File : /www/server/mysql/src/mysql-test/suite/sys_vars/t/innodb_adaptive_flushing_lwm_basic.test
############ mysql-test\t\innodb_adaptive_flushing_lwm_basic.test #############
#                                                                             #
# Variable Name: innodb_adaptive_flushing_lwm                                 #
# Scope: GLOBAL                                                               #
# Access Type: Dynamic                                                        #
# Data Type: Numeric                                                          #
# Default Value: 10                                                           #
# Range: 0-70                                                                 #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author:  Rizwan                                                             #
#                                                                             #
#Description:Test Cases of Dynamic System Variable innodb_adaptive_flushing_lwm #
#             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_adaptive_flushing_lwm TESTS            #
########################################################################


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

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

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

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

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

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

--Error ER_UNKNOWN_TABLE
SELECT local.innodb_adaptive_flushing_lwm;

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

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

SET @@global.innodb_adaptive_flushing_lwm = 0;
SELECT @@global.innodb_adaptive_flushing_lwm;
SET @@global.innodb_adaptive_flushing_lwm = 1;
SELECT @@global.innodb_adaptive_flushing_lwm;
SET @@global.innodb_adaptive_flushing_lwm = 60;
SELECT @@global.innodb_adaptive_flushing_lwm;
SET @@global.innodb_adaptive_flushing_lwm = 70;
SELECT @@global.innodb_adaptive_flushing_lwm;

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

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

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

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

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

--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.innodb_adaptive_flushing_lwm = 10.4;
SELECT @@global.innodb_adaptive_flushing_lwm;

SET @@global.innodb_adaptive_flushing_lwm = 71;
SELECT @@global.innodb_adaptive_flushing_lwm;

SET @@global.innodb_adaptive_flushing_lwm = 65536;
SELECT @@global.innodb_adaptive_flushing_lwm;

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

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

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

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


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

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

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

###############################################################
#               END OF innodb_adaptive_flushing_lwm TESTS     #
###############################################################

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