call mtr.add_suppression("InnoDB: The log sequence numbers [0-9]+ and [0-9]+ in ibdata files do not match the log sequence number [0-9]+ in the ib_logfiles!");
CREATE TABLE t1 (a INT PRIMARY KEY, b TEXT) ENGINE=InnoDB;
CREATE TABLE t2 (a INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t3 (a INT PRIMARY KEY, b TEXT, c TEXT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,REPEAT('a',30000)),(2,REPEAT('b',40000));
SET DEBUG_SYNC='before_row_upd_extern SIGNAL have_latch WAIT_FOR go1';
BEGIN;
UPDATE t1 SET a=a+2;
ROLLBACK;
BEGIN;
UPDATE t1 SET b=CONCAT(b,'foo');
SET DEBUG_SYNC='now WAIT_FOR have_latch';
SELECT a, RIGHT(b,20) FROM t1;
SET DEBUG_SYNC='now SIGNAL go1';
a	RIGHT(b,20)
1	aaaaaaaaaaaaaaaaaaaa
2	bbbbbbbbbbbbbbbbbbbb
SET DEBUG='+d,row_ins_extern_checkpoint';
SET DEBUG_SYNC='before_row_ins_extern_latch SIGNAL rec_not_blob WAIT_FOR crash';
ROLLBACK;
BEGIN;
INSERT INTO t1 VALUES (3,REPEAT('c',50000));
SET DEBUG_SYNC='now WAIT_FOR rec_not_blob';
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT @@tx_isolation;
@@tx_isolation
READ-UNCOMMITTED
Warnings:
Warning	1287	'@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
SELECT a, RIGHT(b,20) FROM t1;
a	RIGHT(b,20)
1	aaaaaaaaaaaaaaaaaaaa
2	bbbbbbbbbbbbbbbbbbbb
SELECT a FROM t1;
a
1
2
3
SET DEBUG='+d,crash_commit_before';
INSERT INTO t2 VALUES (42);
ERROR HY000: Lost connection to MySQL server during query
ERROR HY000: Lost connection to MySQL server during query
CHECK TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
INSERT INTO t3 VALUES
(1,REPEAT('d',7000),REPEAT('e',100)),
(2,REPEAT('g',7000),REPEAT('h',100));
SET DEBUG_SYNC='blob_write_middle SIGNAL go_sel WAIT_FOR go_upd';
UPDATE t3 SET c=REPEAT('f',3000) WHERE a=1;
# Connection con1:
SET DEBUG_SYNC='now WAIT_FOR go_sel';
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
SELECT @@tx_isolation;
@@tx_isolation
READ-UNCOMMITTED
Warnings:
Warning	1287	'@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
SELECT a, RIGHT(b,20), RIGHT(c,20) FROM t3;
a	RIGHT(b,20)	RIGHT(c,20)
2	gggggggggggggggggggg	hhhhhhhhhhhhhhhhhhhh
set debug_sync='now SIGNAL go_upd';
# Connection default:
# reap UPDATE t3 SET c=REPEAT('f',3000) WHERE a=1;
# Connection con1:
SELECT a, RIGHT(b,20), RIGHT(c,20) FROM t3;
a	RIGHT(b,20)	RIGHT(c,20)
1	dddddddddddddddddddd	ffffffffffffffffffff
2	gggggggggggggggggggg	hhhhhhhhhhhhhhhhhhhh
CHECK TABLE t1,t2,t3;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
test.t2	check	status	OK
test.t3	check	status	OK
BEGIN;
INSERT INTO t2 VALUES (347);
SET DEBUG='+d,row_upd_extern_checkpoint';
SET DEBUG_SYNC='before_row_upd_extern SIGNAL have_latch WAIT_FOR crash';
UPDATE t3 SET c=REPEAT('i',3000) WHERE a=2;
SET DEBUG_SYNC='now WAIT_FOR have_latch';
SELECT info FROM information_schema.processlist
WHERE state = 'debug sync point: before_row_upd_extern';
info
UPDATE t3 SET c=REPEAT('i',3000) WHERE a=2
SET DEBUG='+d,crash_commit_before';
COMMIT;
ERROR HY000: Lost connection to MySQL server during query
ERROR HY000: Lost connection to MySQL server during query
CHECK TABLE t1,t2,t3;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
test.t2	check	status	OK
test.t3	check	status	OK
SELECT a, RIGHT(b,20), RIGHT(c,20) FROM t3;
a	RIGHT(b,20)	RIGHT(c,20)
1	dddddddddddddddddddd	ffffffffffffffffffff
2	gggggggggggggggggggg	hhhhhhhhhhhhhhhhhhhh
SELECT a FROM t3;
a
1
2
BEGIN;
INSERT INTO t2 VALUES (33101);
SET DEBUG='+d,row_upd_extern_checkpoint';
SET DEBUG_SYNC='after_row_upd_extern SIGNAL have_latch WAIT_FOR crash';
UPDATE t3 SET c=REPEAT('j',3000) WHERE a=2;
SET DEBUG_SYNC='now WAIT_FOR have_latch';
SELECT info FROM information_schema.processlist
WHERE state = 'debug sync point: after_row_upd_extern';
info
UPDATE t3 SET c=REPEAT('j',3000) WHERE a=2
SET DEBUG='+d,crash_commit_before';
COMMIT;
ERROR HY000: Lost connection to MySQL server during query
ERROR HY000: Lost connection to MySQL server during query
CHECK TABLE t1,t2,t3;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
test.t2	check	status	OK
test.t3	check	status	OK
SELECT a, RIGHT(b,20), RIGHT(c,20) FROM t3;
a	RIGHT(b,20)	RIGHT(c,20)
1	dddddddddddddddddddd	ffffffffffffffffffff
2	gggggggggggggggggggg	hhhhhhhhhhhhhhhhhhhh
SELECT a FROM t3;
a
1
2
SELECT * FROM t2;
a
DROP TABLE t1,t2,t3;
#
# Bug #29866408	SERVER CRASHES WHEN ADDING LONGTEXT COLUMN
#
CREATE TABLE t1 (
id int(11) COLLATE utf8mb4_unicode_ci NOT NULL,
data longtext COLLATE utf8mb4_unicode_ci NOT NULL,
PRIMARY KEY (id),
UNIQUE KEY unq_id (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
INSERT INTO t1 VALUES (1,'');
SET @old_mode=@@sql_mode;
SET GLOBAL SQL_MODE="";
Warnings:
Warning	3090	Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
ALTER TABLE t1 ADD COLUMN d3 DATETIME NOT NULL;
ALTER TABLE t1 ADD COLUMN d2 DATETIME NOT NULL;
ALTER TABLE t1 ADD COLUMN d1 DATETIME NOT NULL;
SET GLOBAL SQL_MODE=@old_mode;
DROP TABLE t1;