mariadb/mysql-test/t/character_set_results_basic.test

############## mysql-test\t\character_set_results_basic.test ##################
#                                                                             #
# Variable Name: character_set_results                                        #
# 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_results    #
#              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 character_set_results TESTS ##
################################################

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

--echo '#--------------------FN_DYNVARS_013_01------------------#'
##############################################################################
#       Test Variable access and assignment with and withoud @@              #
##############################################################################
# select without @@
--error ER_BAD_FIELD_ERROR
SELECT character_set_results;
# assign value without @@
SET character_set_results=utf8;
SELECT @@session.character_set_results;
# assign global variable without @@
--Error ER_PARSE_ERROR
SET global.character_set_results=utf8;
# using another syntax for accessing session variable
SET session character_set_results=utf8;
# accessing variable with scope the wrong way
--Error ER_BAD_FIELD_ERROR
SELECT session character_set_results;
# using another syntax for accessing dynamic variable
SET global character_set_results=utf8;
--Error ER_BAD_FIELD_ERROR
SELECT global character_set_results;

--echo '#--------------------FN_DYNVARS_013_02-------------------------#'
###############################################################################
#     Check the DEFAULT value of character_set_results for session and global #
###############################################################################
SET @@character_set_results = latin5;
SET @@character_set_results = DEFAULT;
SELECT @@character_set_results AS DEFAULT_VALUE;

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

--echo '#--------------------FN_DYNVARS_013_03-------------------------#'
###############################################################################
#     see if setting global value changes session value and vice versa        #
###############################################################################
SET @@session.character_set_results = utf8;
SELECT @@session.character_set_results;
SET @@global.character_set_results = latin2;
SELECT @@global.character_set_results;
SELECT @@session.character_set_results AS res_is_utf8;

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

--echo '#--------------------FN_DYNVARS_013_04-------------------------#'
###################################################################
#  Check if accessing variable with and without session point to  #
#  session variable                                               #
###################################################################
SELECT @@character_set_results = @@session.character_set_results AS res;
SELECT @@character_set_results = @@local.character_set_results AS res;

--echo '#--------------------FN_DYNVARS_013_05-------------------------#'
###########################################################################
#     Check if combining character set works                              #
###########################################################################
--Error ER_BAD_FIELD_ERROR
SET @@character_set_results = utf8 + latin2;

--echo '#--------------------FN_DYNVARS_013_06-------------------------#'
##############################################################################
#     Change the value of character_set_results to a valid value for session #
##############################################################################

let charset_variable = @@session.character_set_results;
--source include/charset_basic.inc


--echo '#--------------------FN_DYNVARS_013_07-------------------------#'
###############################################################################
#  Change the value of character_set_results to a valid value for global      #
###############################################################################

let charset_variable = @@global.character_set_results;
--source include/charset_basic.inc


--echo '#--------------------FN_DYNVARS_013_08-------------------------#'
################################################################################
#  Change the value of character_set_results to a valid value with uppercase,  #
#  lowercase and mixedcase                                                     #
################################################################################
SET @@character_set_results = UTF8;
SELECT @@character_set_results;
SET @@character_set_results = utf8;
SELECT @@character_set_results;

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

--echo '#--------------------FN_DYNVARS_013_09-------------------------#'
##############################################################
#     Check if 1,2,3, ... values can be used on variable     #
##############################################################
SET @@character_set_results = 1;
SELECT @@character_set_results;
SET @@character_set_results = 2;
SELECT @@character_set_results;
SET @@character_set_results = 3;
SELECT @@character_set_results;
SET @@character_set_results = 36;
SELECT @@character_set_results;
SET @@character_set_results = 99;
SELECT @@character_set_results;

--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_results = 100;

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

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

SET @total_charset = (SELECT count(*) FROM INFORMATION_SCHEMA.CHARACTER_SETS);
SELECT @total_charset;
--echo 'Bug # 34843: character sets are mapped in such a way that 100 and following';
--echo 'numbers gives error, and before 100 the 36 mapped wraps arround several times.';

--echo '#--------------------FN_DYNVARS_013_10-------------------------#'
###############################################################################
#  Change the value of character_set_results to an invalid value for session  #
###############################################################################
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_results = abc;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_results = 1utf8;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_results = 0;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@character_set_results = .1;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_results = -1;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_results = "";
--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_results = 'utf';
SET @@character_set_results = true;
SELECT @@character_set_results AS res_with_true;

--Error ER_UNKNOWN_CHARACTER_SET
SET @@character_set_results = ON;

--echo '#--------------------FN_DYNVARS_013_11-------------------------#'
###############################################################################
#  Change the value of character_set_results to an invalid value for global   #
###############################################################################
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_results = "'latin2'";
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_results = 1utf8;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_results = 0;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.character_set_results = 0.1;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_results = -1;
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_results = "";
--Error ER_UNKNOWN_CHARACTER_SET
SET @@global.character_set_results = 'utf';

SET @@global.character_set_results = true;

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

--echo '#--------------------FN_DYNVARS_013_12-------------------------#'
##############################################################################
#     Check if the value in GLOBAL Table matches value in variable           #
##############################################################################
SELECT @@global.character_set_results =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='character_set_results') AS res;
SET @@global.character_set_results = 1;
SELECT @@global.character_set_results;
SELECT @@global.character_set_results =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
  WHERE VARIABLE_NAME='character_set_results') AS res;

--echo '#--------------------FN_DYNVARS_013_13-------------------------#'
##############################################################################
#     Check if the value in SESSION Table matches value in variable          #
##############################################################################
SELECT @@character_set_results =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='character_set_results') AS res;
SELECT @@local.character_set_results =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='character_set_results') AS res;
SELECT @@session.character_set_results =
 (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
  WHERE VARIABLE_NAME='character_set_results') AS res;

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

#############################################################
#                 END OF character_set_results TESTS        #
#############################################################