############## mysql-test\t\collation_connection_basic.test ###################
#                                                                             #
# Variable Name: collation_connection                                         #
# Scope: GLOBAL | SESSION                                                     #
# Access Type: Dynamic                                                        #
# Data Type: string                                                           #
# Default Value:                                                              #
# Range:                                                                      #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author:  Rizwan                                                             #
#                                                                             #
# Description: Test Cases of Dynamic System Variable collation_connection     #
#              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_big5.inc
--source include/have_ujis.inc
--source include/have_sjis.inc
--source include/have_utf8.inc
--source include/have_ucs2.inc

--source include/load_sysvars.inc

###################################################
##       START OF collation_connection TESTS     ##
###################################################

#############################################################
#                 Save initial value                        #
#############################################################
SET @global_start_value = @@global.collation_connection;
SELECT @global_start_value;
# Save initial session value
SET @session_start_value = @@collation_connection;
SELECT @session_start_value;
# now save using local access 
SET @session_start_value = @@local.collation_connection;
SELECT @session_start_value;
# save using implicit session scope
SET @session_start_value = @@session.collation_connection;
SELECT @session_start_value;

--echo '#--------------------FN_DYNVARS_015_01------------------#'
###############################################################################
#       Test Variable access and assignment with and without @@               #
###############################################################################
# select without @@
--error ER_BAD_FIELD_ERROR
SELECT collation_connection;
# assign value without @@
SET collation_connection=utf8_unicode_ci;
SELECT @@session.collation_connection;
# using another syntax for accessing session variable
SET session collation_connection=utf8_unicode_ci;
# accessing variable with scope the wrong way
--Error ER_BAD_FIELD_ERROR
SELECT session collation_connection;
# using another syntax for accessing dynamic variable
SET global collation_connection=utf8_unicode_ci;
--Error ER_BAD_FIELD_ERROR
SELECT global collation_connection;

--echo '#--------------------FN_DYNVARS_015_02-------------------------#'
###############################################################################
#     Check the DEFAULT value of collation_connection for session and global  #
###############################################################################
SET @@collation_connection = latin1_bin;
SET @@collation_connection = DEFAULT;
SELECT @@collation_connection AS DEFAULT_VALUE;

SET @@global.collation_connection = latin1_bin;
SET @@global.collation_connection = DEFAULT;
SELECT @@global.collation_connection;

--echo '#--------------------FN_DYNVARS_015_03-------------------------#'
##############################################################################
#     see if setting global value changes session value and vice versa       #
##############################################################################
SET @@session.collation_connection = utf8_polish_ci;
SELECT @@session.collation_connection;
SET @@global.collation_connection = latin7_general_ci;
SELECT @@global.collation_connection;
SELECT @@session.collation_connection AS res_is_utf8_polish_ci;

SET @@session.collation_connection = latin7_bin;
SELECT @@session.collation_connection;
SELECT @@global.collation_connection AS res_is_latin7_general_ci;
# composite check
SELECT @@global.collation_connection=@@session.collation_connection 
AS res_is_false;

--echo '#--------------------FN_DYNVARS_015_04-------------------------#'
###############################################################################
#     Check if accessing variable with and without session point to session   #
#     variable                                                                #
###############################################################################
SELECT @@collation_connection = @@session.collation_connection AS res;
SELECT @@collation_connection = @@local.collation_connection AS res;

--echo '#--------------------FN_DYNVARS_015_05-------------------------#'
###########################################################################
#     Check if combining character set works                              #
###########################################################################
--Error ER_BAD_FIELD_ERROR
SET @@collation_connection = latin7_general_ci + latin7_general_cs;

--echo '#--------------------FN_DYNVARS_015_06-------------------------#'
###############################################################################
#     Change the value of collation_connection to a valid value for session   #
###############################################################################

let $collation_variable = @@session.collation_connection;
--source suite/sys_vars/inc/collation_basic.inc


--echo '#--------------------FN_DYNVARS_015_07-------------------------#'
###############################################################################
#     Change the value of collation_connection to a valid value for global    #
###############################################################################

let $collation_variable = @@global.collation_connection;
--source suite/sys_vars/inc/collation_basic.inc


--echo '#--------------------FN_DYNVARS_015_08-------------------------#'
##############################################################################
# Change the value of collation_connection to a valid value with uppercase,  #
# lowercase and mixedcase                                                    #
##############################################################################
SET @@collation_connection = LATIN7_GENERAL_CS;
SELECT @@collation_connection;
SET @@collation_connection = latin7_general_cs;
SELECT @@collation_connection;

SET @@global.collation_connection = Latin7_GeneRal_cS;
SELECT @@global.collation_connection;


--echo '#--------------------FN_DYNVARS_015_09-------------------------#'
##############################################################
#     Check if 1,2,3, ... values can be used on variable     #
##############################################################
SET @@collation_connection = 1;
SELECT @@collation_connection;
SET @@collation_connection = 2;
SELECT @@collation_connection;
SET @@collation_connection = 3;
SELECT @@collation_connection;
SET @@collation_connection = 99;
SELECT @@collation_connection;
--Error ER_UNKNOWN_COLLATION
SET @@collation_connection = 100;

SET @@global.collation_connection = 1;
SELECT @@global.collation_connection;
SET @@global.collation_connection = 2;
SELECT @@global.collation_connection;
SET @@global.collation_connection = 3;
SELECT @@global.collation_connection;
SET @@global.collation_connection = 99;
SELECT @@global.collation_connection;
--Error ER_UNKNOWN_COLLATION
SET @@global.collation_connection = 100;

SET @total_collations = (SELECT count(*) FROM INFORMATION_SCHEMA.COLLATIONS);
SELECT @total_collations > 120;

--echo '#--------------------FN_DYNVARS_015_10-------------------------#'
###############################################################################
#  Change the value of collation_connection to an invalid value for session   #
###############################################################################
--Error ER_UNKNOWN_COLLATION
SET @@collation_connection = latin7_binary;
--Error ER_UNKNOWN_COLLATION
SET @@collation_connection = 'eucjpms_japanese_cs';
--Error ER_UNKNOWN_COLLATION
SET @@collation_connection = 0;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@collation_connection = 1.01;
--Error ER_UNKNOWN_COLLATION
SET @@collation_connection = -1;
--Error ER_UNKNOWN_COLLATION
SET @@collation_connection = '';
--Error ER_UNKNOWN_COLLATION
SET @@collation_connection = ' eucjpms_bin';
SET @@collation_connection = true;
SELECT @@collation_connection AS res_with_true;

--Error ER_UNKNOWN_COLLATION
SET @@collation_connection = ON;

--echo '#--------------------FN_DYNVARS_015_11-------------------------#'
###############################################################################
#  Change the value of collation_connection to an invalid value for global    #
###############################################################################
--Error ER_UNKNOWN_COLLATION
SET @@global.collation_connection = latin7_binary;
--Error ER_UNKNOWN_COLLATION
SET @@global.collation_connection = 'eucjpms_japanese_cs';
--Error ER_UNKNOWN_COLLATION
SET @@global.collation_connection = 0;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.collation_connection = 1.1;
--Error ER_UNKNOWN_COLLATION
SET @@global.collation_connection = -1;
--Error ER_UNKNOWN_COLLATION
SET @@global.collation_connection = "";
--Error ER_UNKNOWN_COLLATION
SET @@global.collation_connection = ' eucjpms_bin';

SET @@global.collation_connection = true;

--Error ER_UNKNOWN_COLLATION
SET @@global.collation_connection = ON;

--echo '#--------------------FN_DYNVARS_015_12-------------------------#'
##############################################################################
#     Check if the value in GLOBAL Table matches value in variable           #
##############################################################################
SELECT @@global.collation_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='collation_connection') AS res;
SET @@global.collation_connection = 1;
SELECT @@global.collation_connection;
SELECT @@global.collation_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='collation_connection') AS res;

--echo '#--------------------FN_DYNVARS_015_13-------------------------#'
###############################################################################
#     Check if the value in SESSION Table matches value in variable           #
###############################################################################
SELECT @@collation_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='collation_connection') AS res;
SELECT @@local.collation_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='collation_connection') AS res;
SELECT @@session.collation_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='collation_connection') AS res;

####################################
#     Restore initial value        #
####################################
SET @@global.collation_connection = @global_start_value;
SELECT @@global.collation_connection;
SET @@session.collation_connection = @session_start_value;
SELECT @@session.collation_connection;

#############################################################
#                 END OF collation_connection TESTS         #
#############################################################