MDEV-18319 BIGINT UNSIGNED Performance issue

The patch for MDEV-18319 BIGINT UNSIGNED Performance issue
fixed this problem in 10.5.23.

This patch adds only an MTR test to cover MDEV-18319.

mysql-test/main/func_in.result

@@ -979,5 +979,29 @@ 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;
+#
 # End of 10.5 tests
 #

mysql-test/main/func_in.test

@@ -756,6 +756,27 @@ SELECT c1 FROM a WHERE c1 IN ( 1, 9223372036854775807 );
 SELECT c1 FROM a WHERE c1 IN ( 1, 9223372036854775808 );
 drop table `a`;
 
+--echo #
+--echo # MDEV-18319 BIGINT UNSIGNED Performance issue
+--echo #
+
+CREATE OR REPLACE TABLE t1 (
+  id bigint(20) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
+);
+DELIMITER $$;
+FOR i IN 0..255
+DO
+  INSERT INTO t1 VALUES ();
+END FOR
+$$
+DELIMITER ;$$
+SELECT MIN(id), MAX(id), COUNT(*) FROM t1;
+EXPLAIN SELECT id FROM t1 WHERE id IN (1,2);
+EXPLAIN SELECT id FROM t1 WHERE id IN (9223372036854775806, 9223372036854775807);
+EXPLAIN SELECT id FROM t1 WHERE id IN (9223372036854775807, 9223372036854775808);
+DROP TABLE t1;
+
+
 --echo #
 --echo # End of 10.5 tests
 --echo #