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# --------
# Startup
# --------
CREATE TABLE t1 (C1 CHAR(10), C2 CHAR(10));
INSERT INTO t1 VALUES ("r1c1", "r1c2");
ALTER TABLE t1 ADD COLUMN C3 CHAR(10) FIRST, ALGORITHM=INSTANT;
SET GLOBAL innodb_fast_shutdown = 0;
# Take backup of original datadir
# restart mysqld on backup datadir
# restart: --datadir=BACKUP/data --log-error=BACKUP/my_restart.err
SET GLOBAL innodb_dict_stats_disabled_debug = 1;
SET GLOBAL innodb_master_thread_disabled_debug = 1;
SET GLOBAL debug = "+d,disable_se_persists_gtid";
FLUSH ENGINE LOGS;
SET GLOBAL debug = "+d,gtid_persist_flush_disable";
SET GLOBAL innodb_log_checkpoint_now = 1;
SET GLOBAL innodb_page_cleaner_disabled_debug = 1;
SET GLOBAL innodb_checkpoint_disabled = 1;
SET GLOBAL innodb_purge_stop_now = 1;
SET SESSION debug="+d,invalid_index_log_version";
UPDATE t1 SET C2 = "r1c22";
# Kill the server
# start mysqld. It should crash with error
# Expect found
Pattern "Index log version [0-9]+ did not match. Max index version is [0-9]+. Recovery can't continue. Please make sure server is not starting up with the datadir generated in future version." found
# restart mysqld normally
SELECT * FROM t1;
C3 C1 C2
NULL r1c1 r1c2
# --------
# Cleanup
# --------
DROP TABLE t1;
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