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Current File : /www/server/mysql/src/mysql-test/suite/sys_vars/t/max_points_in_geometry_basic.test
############### mysql-test/t/max_points_in_geometry_basic.test ################
#                                                                             #
# Variable Name: max_points_in_geometry                                       #
# Scope: SESSION                                                              #
# Access Type: Dynamic                                                        #
# Data Type: ulong                                                            #
# Default Value:  65536                                                       #
# Range:   [3-64*1024*1024]                                                   #
#                                                                             #
#                                                                             #
# Creation Date: 2015-04-16                                                   #
# Author:  David Zhao                                                         #
#                                                                             #
# Description: Test Cases of Dynamic System Variable max_points_in_geometry   #
#              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_points_in_geometry TESTS            #
#######################################################################


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

SET @session_start_value = @@session.max_points_in_geometry;
SET @global_start_value = @@global.max_points_in_geometry;

--echo '#--------------------FN_DYNVARS_001_01------------------------#'
########################################################################
#                    Display the DEFAULT value of max_points_in_geometry#
########################################################################


SET @@max_points_in_geometry = DEFAULT;
SELECT @@max_points_in_geometry = 65536;

--echo '#---------------------FN_DYNVARS_001_02-------------------------#'
##############################################################
#     see if accessable using global scope                   #
##############################################################

SET @@global.max_points_in_geometry = 1000;
select @@global.max_points_in_geometry = @@session.max_points_in_geometry;

SET @@session.max_points_in_geometry = 1000;
select @@global.max_points_in_geometry = @@session.max_points_in_geometry;

--echo '#--------------------FN_DYNVARS_001_03------------------------#'
##########################################################################
#              Change the value of max_points_in_geometry to a valid value#
##########################################################################

SET @@max_points_in_geometry = 10;
SELECT @@max_points_in_geometry, @@session.max_points_in_geometry,
       @@max_points_in_geometry=@@session.max_points_in_geometry;

SELECT @@max_points_in_geometry, @@global.max_points_in_geometry,
       @@max_points_in_geometry=@@global.max_points_in_geometry;

--echo '#--------------------FN_DYNVARS_001_04-------------------------#'
###########################################################################
#               Change the value of max_points_in_geometry to invalid value#
###########################################################################

# for session scope
--Error ER_WRONG_TYPE_FOR_VAR
SET @@max_points_in_geometry = "1";

--Error ER_WRONG_TYPE_FOR_VAR
SET @@max_points_in_geometry = " ";

--Error ER_WRONG_TYPE_FOR_VAR
SET @@max_points_in_geometry = 'abc';

--Error ER_WRONG_TYPE_FOR_VAR
SET @@max_points_in_geometry = NULL;

SET @@max_points_in_geometry = 1;
SELECT @@max_points_in_geometry;

SET @@max_points_in_geometry = 67108865;
SELECT @@max_points_in_geometry;

--echo '#----------------------FN_DYNVARS_001_06------------------------#'
#########################################################################
#     Check if the value in SESSION Table matches value in variable     #
#########################################################################

--disable_warnings
SELECT @@max_points_in_geometry = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='max_points_in_geometry';
--enable_warnings

--echo '#---------------------FN_DYNVARS_001_08-------------------------#'
#############################################################################
#        Check if ON, OFF, TRUE and FALSE values can be used on variable    #
#############################################################################
--Error ER_WRONG_TYPE_FOR_VAR
SET @@max_points_in_geometry = OFF;

--Error ER_WRONG_TYPE_FOR_VAR
SET @@max_points_in_geometry = ON;

SET @@max_points_in_geometry = TRUE;
SELECT @@max_points_in_geometry;

SET @@max_points_in_geometry = FALSE;
SELECT @@max_points_in_geometry;



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

SET @@max_points_in_geometry = 123456;
SELECT @@max_points_in_geometry = @@local.max_points_in_geometry and
       @@max_points_in_geometry = @@session.max_points_in_geometry;
SET @@max_points_in_geometry = 654321;
SELECT @@max_points_in_geometry = @@local.max_points_in_geometry and
       @@max_points_in_geometry = @@session.max_points_in_geometry;


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

SET max_points_in_geometry = 100;
SELECT @@max_points_in_geometry=100;
--Error ER_UNKNOWN_TABLE
SELECT local.max_points_in_geometry;
--Error ER_UNKNOWN_TABLE
SELECT session.max_points_in_geometry;
--Error ER_BAD_FIELD_ERROR
SELECT max_points_in_geometry = @@session.max_points_in_geometry;

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

SET @@max_points_in_geometry = @session_start_value;
SET @@global.max_points_in_geometry = @global_start_value;

############################################################################
#                    END OF max_points_in_geometry TESTS                    #
############################################################################


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