File: collation_connection_func.result

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file content (61 lines) | stat: -rw-r--r-- 2,364 bytes parent folder | download | duplicates (2)
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'#--------------------FN_DYNVARS_015_01-------------------------#'
SET @global_collation_connection = @@global.collation_connection;
SET @session_collation_connection = @@session.collation_connection;
SET @@global.collation_connection = latin1_danish_ci;
connect  con1,localhost,root,,,,;
connection con1;
SELECT @@global.collation_connection;
@@global.collation_connection
latin1_danish_ci
SELECT @@session.collation_connection;
@@session.collation_connection
latin1_swedish_ci
disconnect con1;
'#--------------------FN_DYNVARS_015_02-------------------------#'
connection default;
DROP TABLE IF EXISTS t1;
'----check if collation_connection update character_set_connection---'
SET @@session.collation_connection = utf8_spanish_ci;
SELECT @@collation_connection, @@character_set_database;
@@collation_connection	@@character_set_database
utf8mb3_spanish_ci	utf8mb4
'---check if collation_connection works for literal string comparision--'
SET @@session.collation_connection = latin1_swedish_ci;
SELECT 'mysql'='MySql';
'mysql'='MySql'
1
SELECT _latin2'mysql' COLLATE latin2_general_ci='MySql';
_latin2'mysql' COLLATE latin2_general_ci='MySql'
1
SELECT _utf8'mysql'=_utf8'MySql' COLLATE utf8_unicode_ci;
_utf8'mysql'=_utf8'MySql' COLLATE utf8_unicode_ci
1
SET @@session.collation_connection = latin1_general_cs;
SELECT 'mysql'='MySql';
'mysql'='MySql'
0
SELECT _latin2'mysql'COLLATE latin2_general_ci='MySql';
_latin2'mysql'COLLATE latin2_general_ci='MySql'
1
SELECT _utf8'mysql'COLLATE utf8_danish_ci=_utf8'MySql'COLLATE utf8_unicode_ci;
ERROR HY000: Illegal mix of collations (utf8mb3_danish_ci,EXPLICIT) and (utf8mb3_unicode_ci,EXPLICIT) for operation '='
'---collation_connection does not effect comparision with column---'
CREATE TABLE t1(a CHAR(20)CHARACTER SET latin1 COLLATE latin1_german2_ci);
INSERT INTO t1 VALUES('Mller');
SET @@session.collation_connection = latin2_hungarian_ci;
SELECT * FROM t1 WHERE a='Mller';
a
Mller
SET @@session.collation_connection = latin1_general_cs;
SELECT * FROM t1 WHERE a='mller';
a
Mller
'check if string literal collation is used';
SELECT * FROM t1 WHERE a='mller' COLLATE latin1_general_cs;
a
SELECT * FROM t1 WHERE a='mller' COLLATE latin1_german1_ci;
a
Mller
DROP TABLE t1;
SET @@global.collation_connection = @global_collation_connection;
SET @@session.collation_connection = @session_collation_connection;