#
# Start of 5.5 tests
#
#
# MDEV-7649 wrong result when comparing utf8 column with an invalid literal
#
SET NAMES utf8 COLLATE utf8_unicode_ci;
#
# Start of ctype_utf8_ilseq.inc
#
CREATE TABLE t1 ENGINE=InnoDB AS SELECT REPEAT(' ', 60) AS ch LIMIT 0;;
ALTER TABLE t1
ADD id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
ADD KEY(ch);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `ch` varchar(60) CHARACTER SET utf8 COLLATE utf8_unicode_ci DEFAULT NULL,
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`id`),
  KEY `ch` (`ch`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
INSERT INTO t1 (ch) VALUES ('admin'),('admin1');
SELECT ch FROM t1 WHERE ch='admin𝌆';
ch
EXPLAIN SELECT ch FROM t1 WHERE ch='admin𝌆';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
SELECT ch FROM t1 IGNORE KEY (ch) WHERE ch='admin𝌆';
ch
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch='admin𝌆';
ch
DELETE FROM t1;
INSERT INTO t1 (ch) VALUES ('a'), ('a?'), ('a??'), ('a???'), ('a????');
INSERT INTO t1 (ch) VALUES ('ab'),('a?b'),('a??b'),('a???b'),('a????b');
INSERT INTO t1 (ch) VALUES ('az'),('a?z'),('a??z'),('a???z'),('a????z');
INSERT INTO t1 (ch) VALUES ('z');
INSERT INTO t1 (ch) VALUES (_utf8 0x61D080);
INSERT INTO t1 (ch) VALUES (_utf8 0x61D680);
SELECT ch FROM t1 IGNORE KEY (ch) WHERE ch='a𝌆' ORDER BY ch;
ch
SELECT ch FROM t1 IGNORE KEY (ch) WHERE ch='a𝌆b' ORDER BY ch;
ch
EXPLAIN
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch='a𝌆' ORDER BY ch;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	#	Impossible WHERE noticed after reading const tables
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch='a𝌆' ORDER BY ch;
ch
EXPLAIN
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch='a𝌆b' ORDER BY ch;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	#	Impossible WHERE noticed after reading const tables
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch='a𝌆b' ORDER BY ch;
ch
SELECT ch FROM t1 IGNORE KEY (ch) WHERE ch<'a𝌆' ORDER BY ch;
ch
a
a?
a??
a???
a????
a????b
a????z
a???b
a???z
a??b
a??z
a?b
a?z
ab
az
aЀ
aր
SELECT ch FROM t1 IGNORE KEY (ch) WHERE ch<'a𝌆b' ORDER BY ch;
ch
a
a?
a??
a???
a????
a????b
a????z
a???b
a???z
a??b
a??z
a?b
a?z
ab
az
aЀ
aր
EXPLAIN
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch<'a𝌆' ORDER BY ch;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	ch	ch	183	NULL	#	Using where; Using index
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch<'a𝌆' ORDER BY ch;
ch
a
a?
a??
a???
a????
a????b
a????z
a???b
a???z
a??b
a??z
a?b
a?z
ab
az
aЀ
aր
EXPLAIN
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch<'a𝌆b' ORDER BY ch;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	ch	ch	183	NULL	#	Using where; Using index
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch<'a𝌆b' ORDER BY ch;
ch
a
a?
a??
a???
a????
a????b
a????z
a???b
a???z
a??b
a??z
a?b
a?z
ab
az
aЀ
aր
SELECT ch FROM t1 IGNORE KEY (ch) WHERE ch>'a𝌆' ORDER BY ch;
ch
z
SELECT ch FROM t1 IGNORE KEY (ch) WHERE ch>'a𝌆b' ORDER BY ch;
ch
z
EXPLAIN
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch>'a𝌆' ORDER BY ch;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	ch	ch	183	NULL	#	Using where; Using index
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch>'a𝌆' ORDER BY ch;
ch
z
EXPLAIN
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch>'a𝌆b' ORDER BY ch;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	ch	ch	183	NULL	#	Using where; Using index
SELECT ch FROM t1 FORCE KEY (ch) WHERE ch>'a𝌆b' ORDER BY ch;
ch
z
ALTER TABLE t1 DROP KEY ch;
# 0xD18F would be a good 2-byte character, 0xD1 is an incomplete sequence
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch=''a', 0xD1,'''');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch=''a', 0xD1,'b''');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch<''a', 0xD1,''' ORDER BY ch');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
a
a?
a??
a???
a????
a????b
a????z
a???b
a???z
a??b
a??z
a?b
a?z
ab
az
aЀ
aր
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch>''a', 0xD1,''' ORDER BY ch');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
z
# 0xEA9A96 would be a good 3-byte character, 0xEA9A is an incomplete sequence
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch=''a', 0xEA9A,''' ORDER BY ch');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch=''a', 0xEA9A,'b'' ORDER BY ch');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
# 0x8F is a bad byte sequence (an mb2tail without mb2head)
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch=''a', 0x8F,''' ORDER BY ch');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch=''a', 0x8F,'b'' ORDER BY ch');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
# 0x8F8F is a bad byte sequence (an mb2tail without mb2head, two times)
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch=''a', 0x8F8F,''' ORDER BY ch');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
SET @query=CONCAT('SELECT ch FROM t1 WHERE ch=''a', 0x8F8F,'b'' ORDER BY ch');
PREPARE stmt FROM @query;
EXECUTE stmt;
ch
DROP TABLE t1;
#
# End of ctype_utf8_ilseq.inc
#
#
# End of 5.5 tests
#
