CREATE TABLE t1 (j SERIAL, i INT, v INT AS (i) VIRTUAL) ENGINE=InnoDB;
CREATE TABLE t2 (j SERIAL, i INT, v INT AS (i) VIRTUAL) ENGINE=InnoDB
ROW_FORMAT=REDUNDANT;
CREATE TABLE t3 (i INT, v INT AS (i) VIRTUAL) ENGINE=InnoDB;
CREATE TABLE t4 (i INT, v INT AS (i) VIRTUAL) ENGINE=InnoDB
ROW_FORMAT=REDUNDANT;
INSERT INTO t4 SET i=1;
ALTER TABLE t4 ADD INDEX(v), LOCK=NONE;
ALTER TABLE t4 ADD COLUMN k INT, LOCK=NONE;
ERROR 0A000: LOCK=NONE is not supported. Reason: online rebuild with indexed virtual columns. Try LOCK=SHARED
ALTER TABLE t4 DROP k, LOCK=NONE;
ERROR 42000: Can't DROP COLUMN `k`; check that it exists
ALTER TABLE t4 DROP INDEX v, LOCK=NONE;
INSERT INTO t3 SET i=1;
ALTER TABLE t3 ADD INDEX(v), LOCK=NONE;
ALTER TABLE t3 ADD COLUMN k INT, LOCK=NONE;
ERROR 0A000: LOCK=NONE is not supported. Reason: online rebuild with indexed virtual columns. Try LOCK=SHARED
ALTER TABLE t3 DROP k, LOCK=NONE;
ERROR 42000: Can't DROP COLUMN `k`; check that it exists
ALTER TABLE t3 DROP INDEX v, LOCK=NONE;
INSERT INTO t2 SET i=1;
ALTER TABLE t2 ADD INDEX(v), LOCK=NONE;
ALTER TABLE t2 ADD COLUMN k INT, LOCK=NONE;
ERROR 0A000: LOCK=NONE is not supported. Reason: online rebuild with indexed virtual columns. Try LOCK=SHARED
ALTER TABLE t2 DROP k, LOCK=NONE;
ERROR 42000: Can't DROP COLUMN `k`; check that it exists
ALTER TABLE t2 DROP INDEX v, LOCK=NONE;
INSERT INTO t1 SET i=1;
ALTER TABLE t1 ADD INDEX(v), LOCK=NONE;
ALTER TABLE t1 ADD COLUMN k INT, LOCK=NONE;
ERROR 0A000: LOCK=NONE is not supported. Reason: online rebuild with indexed virtual columns. Try LOCK=SHARED
ALTER TABLE t1 DROP k, LOCK=NONE;
ERROR 42000: Can't DROP COLUMN `k`; check that it exists
ALTER TABLE t1 DROP INDEX v, LOCK=NONE;
connect  ddl,localhost,root,,test;
connection default;
connection ddl;
SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL copied WAIT_FOR dml';
ALTER TABLE t4 FORCE;
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR copied';
BEGIN;
UPDATE t4 SET i = 0;
ROLLBACK;
SET DEBUG_SYNC = 'now SIGNAL dml';
connection ddl;
connection default;
SELECT * FROM t4;
i	v
1	1
DROP TABLE t4;
connection ddl;
SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL copied WAIT_FOR dml';
ALTER TABLE t3 FORCE;
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR copied';
BEGIN;
UPDATE t3 SET i = 0;
ROLLBACK;
SET DEBUG_SYNC = 'now SIGNAL dml';
connection ddl;
connection default;
SELECT * FROM t3;
i	v
1	1
DROP TABLE t3;
connection ddl;
SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL copied WAIT_FOR dml';
ALTER TABLE t2 FORCE;
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR copied';
BEGIN;
UPDATE t2 SET i = 0;
ROLLBACK;
SET DEBUG_SYNC = 'now SIGNAL dml';
connection ddl;
connection default;
SELECT * FROM t2;
j	i	v
1	1	1
DROP TABLE t2;
connection ddl;
SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL copied WAIT_FOR dml';
ALTER TABLE t1 FORCE;
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR copied';
BEGIN;
UPDATE t1 SET i = 0;
ROLLBACK;
SET DEBUG_SYNC = 'now SIGNAL dml';
connection ddl;
connection default;
SELECT * FROM t1;
j	i	v
1	1	1
DROP TABLE t1;
disconnect ddl;
SET DEBUG_SYNC = 'RESET';