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############### 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 # ############################################################################