Merge branch '10.6' into 10.11

mysql-test/main/func_in.result

@@ -971,6 +971,84 @@ c1
 9223372036854775808
 drop table `a`;
 #
+# MDEV-18319 BIGINT UNSIGNED Performance issue
+#
+CREATE OR REPLACE TABLE t1 (
+id bigint(20) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
+);
+FOR i IN 0..255
+DO
+INSERT INTO t1 VALUES ();
+END FOR
+$$
+SELECT MIN(id), MAX(id), COUNT(*) FROM t1;
+MIN(id)	MAX(id)	COUNT(*)
+1	256	256
+EXPLAIN SELECT id FROM t1 WHERE id IN (1,2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	2	Using where; Using index
+EXPLAIN SELECT id FROM t1 WHERE id IN (9223372036854775806, 9223372036854775807);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	2	Using where; Using index
+EXPLAIN SELECT id FROM t1 WHERE id IN (9223372036854775807, 9223372036854775808);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	8	NULL	2	Using where; Using index
+DROP TABLE t1;
+#
+# MDEV-18898 SELECT using wrong index when using operator IN with mixed types
+#
+CREATE TEMPORARY TABLE t1 (
+id int(10) unsigned NOT NULL AUTO_INCREMENT,
+name varchar(100) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
+PRIMARY KEY (`id`),
+UNIQUE KEY `name` (`name`)
+);
+FOR i IN 1..255
+DO
+INSERT INTO t1 VALUES (i, MD5(i));
+END FOR
+$$
+#
+# Constants alone
+#
+ANALYZE SELECT id, name FROM t1 WHERE id = 1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	NULL	100.00	NULL	
+ANALYZE SELECT id, name FROM t1 WHERE id = '2';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	NULL	100.00	NULL	
+#
+# Two constants using IN
+#
+ANALYZE SELECT id, name FROM t1 WHERE id IN (1, 2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id IN ('1', 2) /* Used a wrong index */;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id IN (1, '2') /* Used a wrong index */;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id IN ('1', '2');
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+#
+# Two constants using OR
+#
+ANALYZE SELECT id, name FROM t1 WHERE id = 1 OR id = 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id = '1' OR id = '2';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id = 1 OR id = '2';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+ANALYZE SELECT id, name FROM t1 WHERE id = '1' OR id = 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	2.00	100.00	100.00	Using index condition
+DROP TABLE t1;
+#
 # End of 10.5 tests
 #
 #