############## mysql-test\t\character_set_connection_basic.test ###############
#                                                                             #
# Variable Name: character_set_connection                                     #
# Scope: GLOBAL | SESSION                                                     #
# Access Type: Dynamic                                                        #
# Data Type: string                                                           #
# Default Value: utf8 (session), latin1 (global)                              #
# Range: NA                                                                   #
#                                                                             #
#                                                                             #
# Creation Date: 2008-02-07                                                   #
# Author:  Rizwan                                                             #
#                                                                             #
# Description: Test Cases of Dynamic System Variable character_set_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/have_utf8mb4.inc
--source include/have_utf16.inc
--source include/have_utf32.inc

--source include/load_sysvars.inc
###################################################
##       START OF character_set_connection TESTS ##
###################################################

#############################################################
#                 Save initial value                        #
#############################################################
SET @global_start_value = @@global.character_set_connection;
SELECT @global_start_value;
# Save initial session value
SET @session_start_value = @@character_set_connection;
SELECT @session_start_value;
# now save using local access 
SET @session_start_value = @@local.character_set_connection;
SELECT @session_start_value;
# save using default access (session)
SET @session_start_value = @@session.character_set_connection;
SELECT @session_start_value;

--echo '#--------------------FN_DYNVARS_011_01------------------#'
###############################################################################
#       Test Variable access and assignment with and withoud @@               #
###############################################################################
# select without @@
--error ER_BAD_FIELD_ERROR
SELECT character_set_connection;
# assign value without @@
SET character_set_connection=utf8;
SELECT @@session.character_set_connection;
# assign global variable without @@
--Error ER_PARSE_ERROR
SET global.character_set_connection=utf8;
# using another syntax for accessing session variable
SET session character_set_connection=utf8;
# accessing variable with scope the wrong way
--Error ER_BAD_FIELD_ERROR
SELECT session character_set_connection;
# using another syntax for accessing dynamic variable
SET global character_set_connection=utf8;
--Error ER_BAD_FIELD_ERROR
SELECT global character_set_connection;

--echo '#--------------------FN_DYNVARS_011_02-------------------------#'
###############################################################################
#  Check the DEFAULT value of character_set_connection for session and global #
###############################################################################
SET @@character_set_connection = latin5;
SET @@character_set_connection = DEFAULT;
SELECT @@character_set_connection AS DEFAULT_VALUE;

SET @@global.character_set_connection = latin5;
SET @@global.character_set_connection = DEFAULT;
SELECT @@global.character_set_connection;

--echo '#--------------------FN_DYNVARS_011_03-------------------------#'
###############################################################################
#     see if setting global value changes session value and vice versa        #
###############################################################################
SET @@session.character_set_connection = utf8;
SELECT @@session.character_set_connection;
SET @@global.character_set_connection = latin2;
SELECT @@global.character_set_connection;
SELECT @@session.character_set_connection AS res_is_utf8;

SET @@session.character_set_connection = latin5;
SELECT @@session.character_set_connection;
SELECT @@global.character_set_connection AS res_is_latin2;
# composite check
SELECT @@global.character_set_connection=@@session.character_set_connection 
AS res_is_false;

--echo '#--------------------FN_DYNVARS_011_04-------------------------#'
#############################################################################
#     Check if accessing variable with and without session point to         #
#     session variable                                                      #
#############################################################################
SELECT @@character_set_connection = @@session.character_set_connection AS res;
SELECT @@character_set_connection = @@local.character_set_connection AS res;

--echo '#--------------------FN_DYNVARS_011_05-------------------------#'
###########################################################################
#     Check if combining character set works                              #
###########################################################################
--Error ER_BAD_FIELD_ERROR
SET @@character_set_connection = utf8 + latin2;

--echo '#--------------------FN_DYNVARS_011_06-------------------------#'
##############################################################################
#     Change the value of character_set_connection to a valid value          #
#     for session                                                            #
##############################################################################

let charset_variable = @@session.character_set_connection;
--source suite/sys_vars/inc/charset_basic.inc


--echo '#--------------------FN_DYNVARS_011_07-------------------------#'
##############################################################################
#   Change the value of character_set_connection to a valid value for global #
##############################################################################

let charset_variable = @@global.character_set_connection;
--source suite/sys_vars/inc/charset_basic.inc


--echo '#--------------------FN_DYNVARS_011_08-------------------------#'
##############################################################################
#     Change the value of character_set_connection to a valid value with     #
#     uppercase,lowercase and mixedcase                                      #
##############################################################################
SET @@character_set_connection = UTF8;
SELECT @@character_set_connection;
SET @@character_set_connection = utf8;
SELECT @@character_set_connection;

SET @@global.character_set_connection = uTf8;
SELECT @@global.character_set_connection;

--echo '#--------------------FN_DYNVARS_011_09-------------------------#'
##############################################################
#     Check if 1,2,3, ... values can be used on variable     #
##############################################################
SET @@character_set_connection = 1;
SELECT @@character_set_connection;
SET @@character_set_connection = 2;
SELECT @@character_set_connection;
SET @@character_set_connection = 3;
SELECT @@character_set_connection;
SET @@character_set_connection = 36;
SELECT @@character_set_connection;
SET @@character_set_connection = 99;
SELECT @@character_set_connection;

--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_connection = 100;


SET @@global.character_set_connection = 1;
SELECT @@global.character_set_connection;
SET @@global.character_set_connection = 2;
SELECT @@global.character_set_connection;
SET @@global.character_set_connection = 3;
SELECT @@global.character_set_connection;
SET @@global.character_set_connection = 36;
SELECT @@global.character_set_connection;
SET @@global.character_set_connection = 99;
SELECT @@global.character_set_connection;

--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_connection = 100;

SET @total_charset = (SELECT count(*) FROM INFORMATION_SCHEMA.CHARACTER_SETS);
SELECT @total_charset;

--echo '#--------------------FN_DYNVARS_011_10-------------------------#'
################################################################################
# Change the value of character_set_connection to an invalid value for session #
################################################################################
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_connection = abc;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_connection = 1utf8;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_connection = 0;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@character_set_connection = 1.1;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_connection = -1;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_connection = 'utf8 ';
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_connection = 'lätin2';
SET @@character_set_connection = true;
SELECT @@character_set_connection AS res_with_true;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_connection = ON;

--echo '#--------------------FN_DYNVARS_011_11-------------------------#'
###############################################################################
# Change the value of character_set_connection to an invalid value for global #
###############################################################################
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_connection = abc;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_connection = 1utf8;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_connection = 0;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.character_set_connection = 1.1;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_connection = -1;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_connection = '';
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_connection = 'utf';

SET @@global.character_set_connection = true;

--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_connection = ON;

--echo '#--------------------FN_DYNVARS_011_12-------------------------#'
##########################################################################
#     Check if the value in GLOBAL Table matches value in variable       #
##########################################################################
SELECT @@global.character_set_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='character_set_connection') AS res;
SET @@global.character_set_connection = 1;
SELECT @@global.character_set_connection;
SELECT @@global.character_set_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='character_set_connection') AS res;

--echo '#--------------------FN_DYNVARS_011_13-------------------------#'
############################################################################
#     Check if the value in SESSION Table matches value in variable        #
############################################################################
SELECT @@character_set_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='character_set_connection') AS res;
SELECT @@local.character_set_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='character_set_connection') AS res;
SELECT @@session.character_set_connection =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='character_set_connection') AS res;

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

#############################################################
#                 END OF character_set_connection TESTS     #
#############################################################
