character_set_results_func.result

'#--------------------FN_DYNVARS_012_01-------------------------#'
SET @global_character_set_results = @@global.character_set_results;
SET @session_character_set_results = @@session.character_set_results;
SET @@global.character_set_results = utf8mb3;
Warnings:
Warning	1287	'utf8mb3' is deprecated and will be removed in a future release. Please use utf8mb4 instead
'connect (con1,localhost,root,,,,)'
'connection con1'
SELECT @@global.character_set_results;
@@global.character_set_results
utf8mb3
SELECT @@session.character_set_results;
@@session.character_set_results
utf8mb3
'#--------------------FN_DYNVARS_012_02-------------------------#'
'connection default'
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(b CHAR(40) character set utf8mb3);
Warnings:
Warning	1287	'utf8mb3' is deprecated and will be removed in a future release. Please use utf8mb4 instead
SET NAMES utf8mb3;
Warnings:
Warning	1287	'utf8mb3' is deprecated and will be removed in a future release. Please use utf8mb4 instead
'----check string literals against different character_set_results---'
check if results are converted to character_set_results 
SET @@session.character_set_results = greek;
SELECT 'ЁЂЃЄ' AS utf_text;
utf_text
????
check effect of character_set_results when introducers are used
SET @@session.character_set_results = latin1;
SELECT _latin1'Müller' AS latin1_text;
latin1_text
Müller
SET @@session.character_set_results = ascii;
SELECT _latin1'Müller' AS latin1_text;
latin1_text
M?ller
check when we dont want any conversion
SET @@session.character_set_results = NULL;
SELECT 'ЁЂЃЄ' AS utf_text;
utf_text
ЁЂЃЄ
'---check results from table against different character_set_results--'
INSERT INTO t1 VALUES(_utf8mb3'ЁЂЃЄ');
Warnings:
Warning	1287	'utf8mb3' is deprecated and will be removed in a future release. Please use utf8mb4 instead
INSERT INTO t1 VALUES('ФХЦЧШ');
SET @@session.character_set_results = NULL;
SELECT b, CHAR_LENGTH(b) FROM t1;
b	CHAR_LENGTH(b)
ЁЂЃЄ	4
ФХЦЧШ	5
SET @@session.character_set_results = utf8mb3;
Warnings:
Warning	1287	'utf8mb3' is deprecated and will be removed in a future release. Please use utf8mb4 instead
SELECT b, CHAR_LENGTH(b) FROM t1;
b	CHAR_LENGTH(b)
ЁЂЃЄ	4
ФХЦЧШ	5
SET @@session.character_set_results = koi8r;
SELECT b, CHAR_LENGTH(b) FROM t1;
b	CHAR_LENGTH(b)
³???	4
æèãþû	5
SET @@session.character_set_results = cp1250;
SELECT b, CHAR_LENGTH(b) FROM t1;
b	CHAR_LENGTH(b)
????	4
?????	5
DROP TABLE t1;
'connection default;'
SET @@global.character_set_results = @global_character_set_results;
SET @@session.character_set_results = @session_character_set_results;