ALTER DATABASE test CHARACTER SET latin1 COLLATE latin1_swedish_ci;
connect  stop_purge,localhost,root;
START TRANSACTION WITH CONSISTENT SNAPSHOT;
connection default;
CREATE TABLE t1(a INT PRIMARY KEY, b VARCHAR(1024))
ENGINE=InnoDB STATS_PERSISTENT=1;
INSERT INTO t1 VALUES (1,REPEAT('b',1024));
SELECT index_length FROM information_schema.tables
WHERE table_schema = 'test' AND table_name = 't1';
index_length
0
ALTER TABLE t1 ADD INDEX b (b(800));
SELECT FLOOR(index_length/@@innodb_page_size) FROM information_schema.tables
WHERE table_schema = 'test' AND table_name = 't1';
FLOOR(index_length/@@innodb_page_size)
1
ALTER TABLE t1 ADD INDEX ba (b(800),a);
SELECT FLOOR(index_length/@@innodb_page_size) FROM information_schema.tables
WHERE table_schema = 'test' AND table_name = 't1';
FLOOR(index_length/@@innodb_page_size)
2
disconnect stop_purge;
DROP TABLE t1;
#
# MDEV-22855  Assertion (!field->prefix_len ||
#        field->fixed_len == field->prefix_len)
#        failed in btr_node_ptr_max_size
#
CREATE TABLE t1(c CHAR(194) CHARACTER SET UTF32, KEY k1(c(193)))ENGINE=InnoDB;
INSERT INTO t1 SET c='';
DROP TABLE t1;
# End of 10.4 tests
ALTER DATABASE test CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci;