############## mysql-test\t\max_insert_delayed_threads_basic.test ###############
#                                                                             #
# Variable Name: max_insert_delayed_threads                                          #
# Scope: GLOBAL | SESSION                                                     #
# Access Type: Dynamic                                                        #
# Data Type: numeric                                                          #
# Default Value:  20                                                          #
# Range:  0-16384                                                             #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author:  Salman                                                             #
#                                                                             #
# Description: Test Cases of Dynamic System Variable max_insert_delayed_threads      #
#              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 max_insert_delayed_threads TESTS                   #
##################################################################


#############################################################
#                 Save initial value                        #
#############################################################

SET @start_global_value = @@global.max_insert_delayed_threads;
SELECT @start_global_value;
SET @start_session_value = @@session.max_insert_delayed_threads;
SELECT @start_session_value;


--echo '#--------------------FN_DYNVARS_075_01-------------------------#'
##################################################################
#     Display the DEFAULT value of max_insert_delayed_threads           #
##################################################################

SET @@global.max_insert_delayed_threads = 1000;
SET @@global.max_insert_delayed_threads = DEFAULT;
SELECT @@global.max_insert_delayed_threads;

--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.max_insert_delayed_threads = 1000;
SET @@session.max_insert_delayed_threads = DEFAULT;
SELECT @@session.max_insert_delayed_threads;


--echo '#--------------------FN_DYNVARS_075_02-------------------------#'
##################################################################
#     Check the DEFAULT value of max_insert_delayed_threads             #
##################################################################

SET @@global.max_insert_delayed_threads = DEFAULT;
SELECT @@global.max_insert_delayed_threads = 20;

SET @@session.max_insert_delayed_threads = DEFAULT;
SELECT @@session.max_insert_delayed_threads = 20;


--echo '#--------------------FN_DYNVARS_075_03-------------------------#'
############################################################################
# Change the value of max_insert_delayed_threads to a valid value for GLOBAL Scope #
############################################################################

SET @@global.max_insert_delayed_threads = 1;
SELECT @@global.max_insert_delayed_threads;
SET @@global.max_insert_delayed_threads = 1025;
SELECT @@global.max_insert_delayed_threads;
SET @@global.max_insert_delayed_threads = 0;
SELECT @@global.max_insert_delayed_threads;
SET @@global.max_insert_delayed_threads = 16384;
SELECT @@global.max_insert_delayed_threads;
SET @@global.max_insert_delayed_threads = 16383;
SELECT @@global.max_insert_delayed_threads;

--echo '#--------------------FN_DYNVARS_075_04-------------------------#'
#############################################################################
# Change the value of max_insert_delayed_threads to a valid value for SESSION Scope #
#############################################################################

--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.max_insert_delayed_threads = 1;
SELECT @@session.max_insert_delayed_threads;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.max_insert_delayed_threads = 1025;
SELECT @@session.max_insert_delayed_threads;
	
SET @@session.max_insert_delayed_threads = 0;
SELECT @@session.max_insert_delayed_threads;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@session.max_insert_delayed_threads = 16384;
SELECT @@session.max_insert_delayed_threads;

SET @@session.max_insert_delayed_threads = 16383;
SELECT @@session.max_insert_delayed_threads;


--echo '#------------------FN_DYNVARS_075_05-----------------------#'
##############################################################
# Change the value of max_insert_delayed_threads to an invalid value #
##############################################################

SET @@global.max_insert_delayed_threads = -1024;
SELECT @@global.max_insert_delayed_threads;
SET @@global.max_insert_delayed_threads = -1;
SELECT @@global.max_insert_delayed_threads;
SET @@global.max_insert_delayed_threads = 16385;
SELECT @@global.max_insert_delayed_threads;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.max_insert_delayed_threads = 65530.34;
SELECT @@global.max_insert_delayed_threads;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.max_insert_delayed_threads = test;
SELECT @@global.max_insert_delayed_threads;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.max_insert_delayed_threads = ' ';
SELECT @@global.max_insert_delayed_threads;

SET @@session.max_insert_delayed_threads = 16385;
SELECT @@session.max_insert_delayed_threads;
SET @@session.max_insert_delayed_threads = -1;
SELECT @@session.max_insert_delayed_threads;
SET @@session.max_insert_delayed_threads = -2;
SELECT @@session.max_insert_delayed_threads;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@session.max_insert_delayed_threads = 65530.34;
SET @@session.max_insert_delayed_threads = 10737418241;
SELECT @@session.max_insert_delayed_threads;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@session.max_insert_delayed_threads = test;
SELECT @@session.max_insert_delayed_threads;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@session.max_insert_delayed_threads = ' ';
SELECT @@session.max_insert_delayed_threads;


--echo '#------------------FN_DYNVARS_075_06-----------------------#'
####################################################################
#   Check if the value in GLOBAL Table matches value in variable   #
####################################################################

--disable_warnings
SELECT VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='max_insert_delayed_threads'
into @tmp;
--enable_warnings

SELECT @@global.max_insert_delayed_threads = @tmp;

--echo '#------------------FN_DYNVARS_075_07-----------------------#'
####################################################################
#  Check if the value in SESSION Table matches value in variable   #
####################################################################

--disable_warnings
SELECT VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='max_insert_delayed_threads'
into @tmp;
--enable_warnings

SELECT @@session.max_insert_delayed_threads = @tmp;

--echo '#------------------FN_DYNVARS_075_08-----------------------#'
####################################################################
#     Check if TRUE and FALSE values can be used on variable       #
####################################################################

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


--echo '#---------------------FN_DYNVARS_001_09----------------------#'
#################################################################################
#  Check if accessing variable with and without GLOBAL point to same variable   #
#################################################################################

SET @@global.max_insert_delayed_threads = 2048;
SELECT @@max_insert_delayed_threads = @@global.max_insert_delayed_threads;


--echo '#---------------------FN_DYNVARS_001_10----------------------#'
########################################################################################################
#    Check if accessing variable with SESSION,LOCAL and without SCOPE points to same session variable  #
########################################################################################################

--Error ER_WRONG_VALUE_FOR_VAR
SET @@max_insert_delayed_threads = 100000;
SELECT @@max_insert_delayed_threads = @@local.max_insert_delayed_threads;
SELECT @@local.max_insert_delayed_threads = @@session.max_insert_delayed_threads;


--echo '#---------------------FN_DYNVARS_001_11----------------------#'
#############################################################################
#   Check if max_insert_delayed_threads can be accessed with and without @@ sign    #
#############################################################################

--Error ER_WRONG_VALUE_FOR_VAR
SET max_insert_delayed_threads = 1024;
SELECT @@max_insert_delayed_threads;
--Error ER_UNKNOWN_TABLE
SELECT local.max_insert_delayed_threads;
--Error ER_UNKNOWN_TABLE
SELECT session.max_insert_delayed_threads;
--Error ER_BAD_FIELD_ERROR
SELECT max_insert_delayed_threads = @@session.max_insert_delayed_threads;


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

SET @@global.max_insert_delayed_threads = @start_global_value;
SELECT @@global.max_insert_delayed_threads;
SET @@session.max_insert_delayed_threads = @start_session_value;
SELECT @@session.max_insert_delayed_threads;


#######################################################
#                 END OF max_insert_delayed_threads TESTS     #
#######################################################

