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FLUSH TABLES;
#
# MDEV-11369: Instant ADD COLUMN for InnoDB
#
CREATE TABLE t1(id INT PRIMARY KEY, c2 INT UNIQUE)
ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
CREATE TABLE t2 LIKE t1;
INSERT INTO t1 VALUES(0,2);
INSERT INTO t2 VALUES(2,1);
ALTER TABLE t2 ADD COLUMN (c3 TEXT NOT NULL DEFAULT 'De finibus bonorum');
BEGIN;
INSERT INTO t2 VALUES(3,4,'accusantium doloremque laudantium');
connect ddl, localhost, root;
SET DEBUG_SYNC='innodb_alter_inplace_before_commit SIGNAL ddl WAIT_FOR ever';
ALTER TABLE t1 ADD COLUMN (c3 TEXT NOT NULL DEFAULT ' et malorum');
connection default;
SET DEBUG_SYNC='now WAIT_FOR ddl';
SET GLOBAL innodb_flush_log_at_trx_commit=1;
COMMIT;
# Kill the server
disconnect ddl;
# restart
SET GLOBAL innodb_purge_rseg_truncate_frequency=1;
SELECT * FROM t1;
id c2
0 2
SELECT * FROM t2;
id c2 c3
2 1 De finibus bonorum
3 4 accusantium doloremque laudantium
BEGIN;
DELETE FROM t1;
ROLLBACK;
InnoDB 0 transactions not purged
INSERT INTO t2 VALUES
(16,1551,'Omnium enim rerum'),(128,1571,' principia parva sunt');
connect ddl, localhost, root;
SET DEBUG_SYNC='innodb_alter_inplace_before_commit SIGNAL ddl WAIT_FOR ever';
ALTER TABLE t2 DROP COLUMN c3, ADD COLUMN c5 TEXT DEFAULT 'naturam abhorrere';
connection default;
SET DEBUG_SYNC='now WAIT_FOR ddl';
SET GLOBAL innodb_flush_log_at_trx_commit=1;
SET debug_dbug='+d,dict_sys_mutex_avoid';
UPDATE t1 SET c2=c2+1;
# Kill the server
disconnect ddl;
# restart
SET @saved_frequency= @@GLOBAL.innodb_purge_rseg_truncate_frequency;
SET GLOBAL innodb_purge_rseg_truncate_frequency=1;
SELECT * FROM t1;
id c2
0 3
SELECT * FROM t2;
id c2 c3
2 1 De finibus bonorum
3 4 accusantium doloremque laudantium
16 1551 Omnium enim rerum
128 1571 principia parva sunt
BEGIN;
INSERT INTO t1 SET id=1;
DELETE FROM t2;
ROLLBACK;
InnoDB 0 transactions not purged
INSERT INTO t2 VALUES (64,42,'De finibus bonorum'), (347,33101,' et malorum');
connect ddl, localhost, root;
ALTER TABLE t2 DROP COLUMN c3;
SET DEBUG_SYNC='innodb_alter_inplace_before_commit SIGNAL ddl WAIT_FOR ever';
ALTER TABLE t2 ADD COLUMN (c4 TEXT NOT NULL DEFAULT ' et malorum');
connection default;
SET DEBUG_SYNC='now WAIT_FOR ddl';
SET GLOBAL innodb_flush_log_at_trx_commit=1;
SET debug_dbug='+d,dict_sys_mutex_avoid';
DELETE FROM t1;
# Kill the server
disconnect ddl;
# restart
SET GLOBAL innodb_purge_rseg_truncate_frequency=1;
FOUND 3 /\[Note\] InnoDB: Rolled back recovered transaction / in mysqld.1.err
SELECT * FROM t1;
id c2
SELECT * FROM t2;
id c2
2 1
3 4
64 42
16 1551
128 1571
347 33101
BEGIN;
INSERT INTO t1 SET id=1;
DELETE FROM t2;
ROLLBACK;
InnoDB 0 transactions not purged
FLUSH TABLE t1,t2 FOR EXPORT;
t1 clustered index root page(type 17855):
N_RECS=0; LEVEL=0
header=0x010000030074 (id=0x696e66696d756d00)
header=0x010008030000 (id=0x73757072656d756d00)
t2 clustered index root page(type 18):
N_RECS=7; LEVEL=0
header=0x01000003008f (id=0x0000000000000000)
header=0x3000100c00d4 (id=0x80000000,
DB_TRX_ID=0x000000000000,
DB_ROLL_PTR=0x80000000000000,
BLOB=0x000000260000000000000008,
c2=NULL(4 bytes),
c3=0x44652066696e6962757320626f6e6f72756d)
header=0x0000180900f4 (id=0x80000002,
DB_TRX_ID=0x000000000000,
DB_ROLL_PTR=0x80000000000000,
c2=0x80000001)
header=0x0000200b0135 (id=0x80000003,
DB_TRX_ID=0x000000000000,
DB_ROLL_PTR=0x80000000000000,
c2=0x80000004,
c3=0x6163637573616e7469756d20646f6c6f72656d717565206c617564616e7469756d)
header=0x0000280b0165 (id=0x80000010,
DB_TRX_ID=0x000000000000,
DB_ROLL_PTR=0x80000000000000,
c2=0x8000060f,
c3=0x4f6d6e69756d20656e696d20726572756d)
header=0x000030090185 (id=0x80000040,
DB_TRX_ID=0x000000000000,
DB_ROLL_PTR=0x80000000000000,
c2=0x8000002a)
header=0x0000380b01ba (id=0x80000080,
DB_TRX_ID=0x000000000000,
DB_ROLL_PTR=0x80000000000000,
c2=0x80000623,
c3=0x207072696e63697069612070617276612073756e74)
header=0x0000400b0074 (id=0x8000015b,
DB_TRX_ID=0x000000000000,
DB_ROLL_PTR=0x80000000000000,
c2=0x8000814d,
c3=0x206574206d616c6f72756d)
header=0x080008030000 (id=0x000000000000000100)
UNLOCK TABLES;
DELETE FROM t2;
InnoDB 0 transactions not purged
#
# MDEV-24323 Crash on recovery after kill during instant ADD COLUMN
#
connect ddl, localhost, root;
CREATE TABLE t3(id INT PRIMARY KEY, c2 INT, v2 INT AS(c2) VIRTUAL, UNIQUE(v2))
ENGINE=InnoDB;
INSERT INTO t3 SET id=1,c2=1;
SET DEBUG_SYNC='innodb_alter_inplace_before_commit SIGNAL ddl WAIT_FOR ever';
ALTER TABLE t3 ADD COLUMN c3 TEXT NOT NULL DEFAULT 'sic transit gloria mundi';
connection default;
SET DEBUG_SYNC='now WAIT_FOR ddl';
SET GLOBAL innodb_flush_log_at_trx_commit=1;
SET debug_dbug='+d,dict_sys_mutex_avoid';
INSERT INTO t1 VALUES(0,0);
# Kill the server
disconnect ddl;
# restart
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11) NOT NULL,
`c2` int(11) DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `c2` (`c2`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=REDUNDANT
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL,
`c2` int(11) DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `c2` (`c2`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ROW_FORMAT=REDUNDANT
SHOW CREATE TABLE t3;
Table Create Table
t3 CREATE TABLE `t3` (
`id` int(11) NOT NULL,
`c2` int(11) DEFAULT NULL,
`v2` int(11) GENERATED ALWAYS AS (`c2`) VIRTUAL,
PRIMARY KEY (`id`),
UNIQUE KEY `v2` (`v2`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t1,t2,t3;
db.opt
#
# MDEV-26198 Assertion `0' failed in row_log_table_apply_op during
# ADD PRIMARY KEY or OPTIMIZE TABLE
#
CREATE TABLE t1(f1 year default null, f2 year default null,
f3 text, f4 year default null, f5 year default null,
f6 year default null, f7 year default null,
f8 year default null)ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
INSERT INTO t1 VALUES(1, 1, 1, 1, 1, 1, 1, 1);
ALTER TABLE t1 ADD COLUMN f9 year default null, ALGORITHM=INPLACE;
set DEBUG_SYNC="row_log_table_apply1_before SIGNAL con1_insert WAIT_FOR con1_finish";
ALTER TABLE t1 ROW_FORMAT=REDUNDANT, ADD COLUMN f10 YEAR DEFAULT NULL, ALGORITHM=INPLACE;
connect con1,localhost,root,,,;
SET DEBUG_SYNC="now WAIT_FOR con1_insert";
INSERT IGNORE INTO t1 (f3) VALUES ( 'b' );
INSERT IGNORE INTO t1 (f3) VALUES ( 'l' );
SET DEBUG_SYNC="now SIGNAL con1_finish";
connection default;
disconnect con1;
SET DEBUG_SYNC=RESET;
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
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