#
# Start of 10.2 tests
#
#
# MDEV-10877 xxx_unicode_nopad_ci collations
#
SET NAMES utf8, character_set_connection=ucs2;
SET DEFAULT_STORAGE_ENGINE=MyISAM;
#
# Start of ctype_pad.inc
#
#
# Unique indexes
#
CREATE TABLE t1 (a VARCHAR(10) PRIMARY KEY) COLLATE 'ucs2_unicode_nopad_ci';
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=ucs2 COLLATE=ucs2_unicode_nopad_ci
INSERT INTO t1 VALUES ('abc'),('abc  '),(' a'),(' a '),('a   ');
SELECT HEX(a), a FROM t1 ORDER BY a;
HEX(a)	a
00200061	 a
002000610020	 a 
0061002000200020	a   
006100620063	abc
00610062006300200020	abc  
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a;
HEX(a)	a
00200061	 a
002000610020	 a 
0061002000200020	a   
006100620063	abc
00610062006300200020	abc  
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a DESC;
HEX(a)	a
00610062006300200020	abc  
006100620063	abc
0061002000200020	a   
002000610020	 a 
00200061	 a
#
# UNION
#
CREATE TABLE t2 (a VARCHAR(10)) COLLATE 'ucs2_unicode_nopad_ci';
INSERT INTO t2 VALUES ('abc '),('abc  '),(' a'),('a ');
SELECT HEX(a),a FROM (SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY a) td;
HEX(a)	a
00200061	 a
002000610020	 a 
00610020	a 
0061002000200020	a   
006100620063	abc
0061006200630020	abc 
00610062006300200020	abc  
DROP TABLE t1;
DROP TABLE t2;
#
# DISTINCT, COUNT, MAX
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'ucs2_unicode_nopad_ci';
INSERT INTO t1 VALUES ('a'),('a  '),(' a'),(' a '),('a   ');
SELECT HEX(a), a FROM (SELECT DISTINCT a FROM t1 ORDER BY a) td;
HEX(a)	a
00200061	 a
002000610020	 a 
0061	a
006100200020	a  
0061002000200020	a   
SELECT COUNT(DISTINCT a) FROM t1 ORDER BY a;
COUNT(DISTINCT a)
5
SELECT HEX(MAX(a)), MAX(a) FROM t1;
HEX(MAX(a))	MAX(a)
0061002000200020	a   
#
# GROUP BY
#
CREATE TABLE t2 (a VARCHAR(10), b int, c varchar(10)) COLLATE 'ucs2_unicode_nopad_ci';
INSERT t2 values('ab', 12, 'cd'), ('ab', 2, 'ed'), ('aa', 20, 'er'), ('aa  ', 0, 'er ');
SELECT HEX(a), cnt FROM (SELECT a, COUNT(a) AS cnt FROM t2 GROUP BY a ORDER BY a) AS td;
HEX(a)	cnt
00610061	1
0061006100200020	1
00610062	2
DROP TABLE t2;
#
# Weights
#
SELECT HEX(WEIGHT_STRING(a AS CHAR(10))) FROM t1;
HEX(WEIGHT_STRING(a AS CHAR(10)))
0E33020002000200020002000200020002000200
0E33020902090200020002000200020002000200
02090E3302000200020002000200020002000200
02090E3302090200020002000200020002000200
0E33020902090209020002000200020002000200
DROP TABLE t1;
#
# IF, CASE, LEAST
#
SELECT IF('abc' COLLATE 'ucs2_unicode_nopad_ci' = 'abc ', 'pad', 'nopad');
IF('abc' COLLATE 'ucs2_unicode_nopad_ci' = 'abc ', 'pad', 'nopad')
nopad
SELECT CASE 'abc' COLLATE 'ucs2_unicode_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE 'abc' COLLATE 'ucs2_unicode_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT CASE WHEN 'abc' COLLATE 'ucs2_unicode_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE WHEN 'abc' COLLATE 'ucs2_unicode_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT HEX(LEAST('abc ' COLLATE 'ucs2_unicode_nopad_ci', 'abc  '));
HEX(LEAST('abc ' COLLATE 'ucs2_unicode_nopad_ci', 'abc  '))
0061006200630020
SELECT HEX(GREATEST('abc ' COLLATE 'ucs2_unicode_nopad_ci', 'abc  '));
HEX(GREATEST('abc ' COLLATE 'ucs2_unicode_nopad_ci', 'abc  '))
00610062006300200020
#
# Collation mix
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'ucs2_unicode_ci';
INSERT INTO t1 VALUES ('a'),('a ');
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_nopad_ci';
COUNT(*)
1
ALTER TABLE t1 MODIFY a VARCHAR(10) COLLATE 'ucs2_unicode_nopad_ci';
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
1
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_nopad_ci';
COUNT(*)
1
DROP TABLE t1;
#
# End of ctype_pad.inc
#
SET DEFAULT_STORAGE_ENGINE=HEAP;
#
# Start of ctype_pad.inc
#
#
# Unique indexes
#
CREATE TABLE t1 (a VARCHAR(10) PRIMARY KEY) COLLATE 'ucs2_unicode_nopad_ci';
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MEMORY DEFAULT CHARSET=ucs2 COLLATE=ucs2_unicode_nopad_ci
INSERT INTO t1 VALUES ('abc'),('abc  '),(' a'),(' a '),('a   ');
SELECT HEX(a), a FROM t1 ORDER BY a;
HEX(a)	a
00200061	 a
002000610020	 a 
0061002000200020	a   
006100620063	abc
00610062006300200020	abc  
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a;
HEX(a)	a
00200061	 a
002000610020	 a 
0061002000200020	a   
006100620063	abc
00610062006300200020	abc  
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a DESC;
HEX(a)	a
00610062006300200020	abc  
006100620063	abc
0061002000200020	a   
002000610020	 a 
00200061	 a
#
# UNION
#
CREATE TABLE t2 (a VARCHAR(10)) COLLATE 'ucs2_unicode_nopad_ci';
INSERT INTO t2 VALUES ('abc '),('abc  '),(' a'),('a ');
SELECT HEX(a),a FROM (SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY a) td;
HEX(a)	a
00200061	 a
002000610020	 a 
00610020	a 
0061002000200020	a   
006100620063	abc
0061006200630020	abc 
00610062006300200020	abc  
DROP TABLE t1;
DROP TABLE t2;
#
# DISTINCT, COUNT, MAX
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'ucs2_unicode_nopad_ci';
INSERT INTO t1 VALUES ('a'),('a  '),(' a'),(' a '),('a   ');
SELECT HEX(a), a FROM (SELECT DISTINCT a FROM t1 ORDER BY a) td;
HEX(a)	a
00200061	 a
002000610020	 a 
0061	a
006100200020	a  
0061002000200020	a   
SELECT COUNT(DISTINCT a) FROM t1 ORDER BY a;
COUNT(DISTINCT a)
5
SELECT HEX(MAX(a)), MAX(a) FROM t1;
HEX(MAX(a))	MAX(a)
0061002000200020	a   
#
# GROUP BY
#
CREATE TABLE t2 (a VARCHAR(10), b int, c varchar(10)) COLLATE 'ucs2_unicode_nopad_ci';
INSERT t2 values('ab', 12, 'cd'), ('ab', 2, 'ed'), ('aa', 20, 'er'), ('aa  ', 0, 'er ');
SELECT HEX(a), cnt FROM (SELECT a, COUNT(a) AS cnt FROM t2 GROUP BY a ORDER BY a) AS td;
HEX(a)	cnt
00610061	1
0061006100200020	1
00610062	2
DROP TABLE t2;
#
# Weights
#
SELECT HEX(WEIGHT_STRING(a AS CHAR(10))) FROM t1;
HEX(WEIGHT_STRING(a AS CHAR(10)))
0E33020002000200020002000200020002000200
0E33020902090200020002000200020002000200
02090E3302000200020002000200020002000200
02090E3302090200020002000200020002000200
0E33020902090209020002000200020002000200
DROP TABLE t1;
#
# IF, CASE, LEAST
#
SELECT IF('abc' COLLATE 'ucs2_unicode_nopad_ci' = 'abc ', 'pad', 'nopad');
IF('abc' COLLATE 'ucs2_unicode_nopad_ci' = 'abc ', 'pad', 'nopad')
nopad
SELECT CASE 'abc' COLLATE 'ucs2_unicode_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE 'abc' COLLATE 'ucs2_unicode_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT CASE WHEN 'abc' COLLATE 'ucs2_unicode_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE WHEN 'abc' COLLATE 'ucs2_unicode_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT HEX(LEAST('abc ' COLLATE 'ucs2_unicode_nopad_ci', 'abc  '));
HEX(LEAST('abc ' COLLATE 'ucs2_unicode_nopad_ci', 'abc  '))
0061006200630020
SELECT HEX(GREATEST('abc ' COLLATE 'ucs2_unicode_nopad_ci', 'abc  '));
HEX(GREATEST('abc ' COLLATE 'ucs2_unicode_nopad_ci', 'abc  '))
00610062006300200020
#
# Collation mix
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'ucs2_unicode_ci';
INSERT INTO t1 VALUES ('a'),('a ');
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_nopad_ci';
COUNT(*)
1
ALTER TABLE t1 MODIFY a VARCHAR(10) COLLATE 'ucs2_unicode_nopad_ci';
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
1
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_nopad_ci';
COUNT(*)
1
DROP TABLE t1;
#
# End of ctype_pad.inc
#
SET DEFAULT_STORAGE_ENGINE=Default;
SET DEFAULT_STORAGE_ENGINE=MyISAM;
#
# Start of ctype_pad.inc
#
#
# Unique indexes
#
CREATE TABLE t1 (a VARCHAR(10) PRIMARY KEY) COLLATE 'ucs2_unicode_520_nopad_ci';
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=ucs2 COLLATE=ucs2_unicode_520_nopad_ci
INSERT INTO t1 VALUES ('abc'),('abc  '),(' a'),(' a '),('a   ');
SELECT HEX(a), a FROM t1 ORDER BY a;
HEX(a)	a
00200061	 a
002000610020	 a 
0061002000200020	a   
006100620063	abc
00610062006300200020	abc  
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a;
HEX(a)	a
00200061	 a
002000610020	 a 
0061002000200020	a   
006100620063	abc
00610062006300200020	abc  
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a DESC;
HEX(a)	a
00610062006300200020	abc  
006100620063	abc
0061002000200020	a   
002000610020	 a 
00200061	 a
#
# UNION
#
CREATE TABLE t2 (a VARCHAR(10)) COLLATE 'ucs2_unicode_520_nopad_ci';
INSERT INTO t2 VALUES ('abc '),('abc  '),(' a'),('a ');
SELECT HEX(a),a FROM (SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY a) td;
HEX(a)	a
00200061	 a
002000610020	 a 
00610020	a 
0061002000200020	a   
006100620063	abc
0061006200630020	abc 
00610062006300200020	abc  
DROP TABLE t1;
DROP TABLE t2;
#
# DISTINCT, COUNT, MAX
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'ucs2_unicode_520_nopad_ci';
INSERT INTO t1 VALUES ('a'),('a  '),(' a'),(' a '),('a   ');
SELECT HEX(a), a FROM (SELECT DISTINCT a FROM t1 ORDER BY a) td;
HEX(a)	a
00200061	 a
002000610020	 a 
0061	a
006100200020	a  
0061002000200020	a   
SELECT COUNT(DISTINCT a) FROM t1 ORDER BY a;
COUNT(DISTINCT a)
5
SELECT HEX(MAX(a)), MAX(a) FROM t1;
HEX(MAX(a))	MAX(a)
0061002000200020	a   
#
# GROUP BY
#
CREATE TABLE t2 (a VARCHAR(10), b int, c varchar(10)) COLLATE 'ucs2_unicode_520_nopad_ci';
INSERT t2 values('ab', 12, 'cd'), ('ab', 2, 'ed'), ('aa', 20, 'er'), ('aa  ', 0, 'er ');
SELECT HEX(a), cnt FROM (SELECT a, COUNT(a) AS cnt FROM t2 GROUP BY a ORDER BY a) AS td;
HEX(a)	cnt
00610061	1
0061006100200020	1
00610062	2
DROP TABLE t2;
#
# Weights
#
SELECT HEX(WEIGHT_STRING(a AS CHAR(10))) FROM t1;
HEX(WEIGHT_STRING(a AS CHAR(10)))
120F020002000200020002000200020002000200
120F020A020A0200020002000200020002000200
020A120F02000200020002000200020002000200
020A120F020A0200020002000200020002000200
120F020A020A020A020002000200020002000200
DROP TABLE t1;
#
# IF, CASE, LEAST
#
SELECT IF('abc' COLLATE 'ucs2_unicode_520_nopad_ci' = 'abc ', 'pad', 'nopad');
IF('abc' COLLATE 'ucs2_unicode_520_nopad_ci' = 'abc ', 'pad', 'nopad')
nopad
SELECT CASE 'abc' COLLATE 'ucs2_unicode_520_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE 'abc' COLLATE 'ucs2_unicode_520_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT CASE WHEN 'abc' COLLATE 'ucs2_unicode_520_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE WHEN 'abc' COLLATE 'ucs2_unicode_520_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT HEX(LEAST('abc ' COLLATE 'ucs2_unicode_520_nopad_ci', 'abc  '));
HEX(LEAST('abc ' COLLATE 'ucs2_unicode_520_nopad_ci', 'abc  '))
0061006200630020
SELECT HEX(GREATEST('abc ' COLLATE 'ucs2_unicode_520_nopad_ci', 'abc  '));
HEX(GREATEST('abc ' COLLATE 'ucs2_unicode_520_nopad_ci', 'abc  '))
00610062006300200020
#
# Collation mix
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'ucs2_unicode_520_ci';
INSERT INTO t1 VALUES ('a'),('a ');
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_520_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_520_nopad_ci';
COUNT(*)
1
ALTER TABLE t1 MODIFY a VARCHAR(10) COLLATE 'ucs2_unicode_520_nopad_ci';
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
1
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_520_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_520_nopad_ci';
COUNT(*)
1
DROP TABLE t1;
#
# End of ctype_pad.inc
#
SET DEFAULT_STORAGE_ENGINE=HEAP;
#
# Start of ctype_pad.inc
#
#
# Unique indexes
#
CREATE TABLE t1 (a VARCHAR(10) PRIMARY KEY) COLLATE 'ucs2_unicode_520_nopad_ci';
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(10) NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MEMORY DEFAULT CHARSET=ucs2 COLLATE=ucs2_unicode_520_nopad_ci
INSERT INTO t1 VALUES ('abc'),('abc  '),(' a'),(' a '),('a   ');
SELECT HEX(a), a FROM t1 ORDER BY a;
HEX(a)	a
00200061	 a
002000610020	 a 
0061002000200020	a   
006100620063	abc
00610062006300200020	abc  
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a;
HEX(a)	a
00200061	 a
002000610020	 a 
0061002000200020	a   
006100620063	abc
00610062006300200020	abc  
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a DESC;
HEX(a)	a
00610062006300200020	abc  
006100620063	abc
0061002000200020	a   
002000610020	 a 
00200061	 a
#
# UNION
#
CREATE TABLE t2 (a VARCHAR(10)) COLLATE 'ucs2_unicode_520_nopad_ci';
INSERT INTO t2 VALUES ('abc '),('abc  '),(' a'),('a ');
SELECT HEX(a),a FROM (SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY a) td;
HEX(a)	a
00200061	 a
002000610020	 a 
00610020	a 
0061002000200020	a   
006100620063	abc
0061006200630020	abc 
00610062006300200020	abc  
DROP TABLE t1;
DROP TABLE t2;
#
# DISTINCT, COUNT, MAX
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'ucs2_unicode_520_nopad_ci';
INSERT INTO t1 VALUES ('a'),('a  '),(' a'),(' a '),('a   ');
SELECT HEX(a), a FROM (SELECT DISTINCT a FROM t1 ORDER BY a) td;
HEX(a)	a
00200061	 a
002000610020	 a 
0061	a
006100200020	a  
0061002000200020	a   
SELECT COUNT(DISTINCT a) FROM t1 ORDER BY a;
COUNT(DISTINCT a)
5
SELECT HEX(MAX(a)), MAX(a) FROM t1;
HEX(MAX(a))	MAX(a)
0061002000200020	a   
#
# GROUP BY
#
CREATE TABLE t2 (a VARCHAR(10), b int, c varchar(10)) COLLATE 'ucs2_unicode_520_nopad_ci';
INSERT t2 values('ab', 12, 'cd'), ('ab', 2, 'ed'), ('aa', 20, 'er'), ('aa  ', 0, 'er ');
SELECT HEX(a), cnt FROM (SELECT a, COUNT(a) AS cnt FROM t2 GROUP BY a ORDER BY a) AS td;
HEX(a)	cnt
00610061	1
0061006100200020	1
00610062	2
DROP TABLE t2;
#
# Weights
#
SELECT HEX(WEIGHT_STRING(a AS CHAR(10))) FROM t1;
HEX(WEIGHT_STRING(a AS CHAR(10)))
120F020002000200020002000200020002000200
120F020A020A0200020002000200020002000200
020A120F02000200020002000200020002000200
020A120F020A0200020002000200020002000200
120F020A020A020A020002000200020002000200
DROP TABLE t1;
#
# IF, CASE, LEAST
#
SELECT IF('abc' COLLATE 'ucs2_unicode_520_nopad_ci' = 'abc ', 'pad', 'nopad');
IF('abc' COLLATE 'ucs2_unicode_520_nopad_ci' = 'abc ', 'pad', 'nopad')
nopad
SELECT CASE 'abc' COLLATE 'ucs2_unicode_520_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE 'abc' COLLATE 'ucs2_unicode_520_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT CASE WHEN 'abc' COLLATE 'ucs2_unicode_520_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE WHEN 'abc' COLLATE 'ucs2_unicode_520_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT HEX(LEAST('abc ' COLLATE 'ucs2_unicode_520_nopad_ci', 'abc  '));
HEX(LEAST('abc ' COLLATE 'ucs2_unicode_520_nopad_ci', 'abc  '))
0061006200630020
SELECT HEX(GREATEST('abc ' COLLATE 'ucs2_unicode_520_nopad_ci', 'abc  '));
HEX(GREATEST('abc ' COLLATE 'ucs2_unicode_520_nopad_ci', 'abc  '))
00610062006300200020
#
# Collation mix
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'ucs2_unicode_520_ci';
INSERT INTO t1 VALUES ('a'),('a ');
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_520_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_520_nopad_ci';
COUNT(*)
1
ALTER TABLE t1 MODIFY a VARCHAR(10) COLLATE 'ucs2_unicode_520_nopad_ci';
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
1
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_520_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'ucs2_unicode_520_nopad_ci';
COUNT(*)
1
DROP TABLE t1;
#
# End of ctype_pad.inc
#
SET DEFAULT_STORAGE_ENGINE=Default;
SET NAMES utf8, collation_connection=ucs2_unicode_520_nopad_ci;
#
# MDEV-14350 Index use with collation utf8mb4_unicode_nopad_ci on LIKE pattern with wrong results
#
CREATE OR REPLACE TABLE t1 AS SELECT SPACE(50) AS a, SPACE (50) AS b;
ALTER TABLE t1 ADD KEY(a), ADD KEY(b);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(50) CHARACTER SET ucs2 COLLATE ucs2_unicode_520_nopad_ci DEFAULT NULL,
  `b` varchar(50) CHARACTER SET ucs2 COLLATE ucs2_unicode_520_nopad_ci DEFAULT NULL,
  KEY `a` (`a`),
  KEY `b` (`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('111', '111');
INSERT INTO t1 VALUES ('222', '222');
INSERT INTO t1 VALUES ('333', '333');
INSERT INTO t1 VALUES ('444', '444');
SELECT * FROM t1 WHERE a LIKE '111%';
a	b
111	111
SELECT * FROM t1 IGNORE INDEX (a) WHERE a LIKE '111%';
a	b
111	111
DROP TABLE t1;
SET NAMES utf8;
#
# End of 10.2 tests
#