#
# Bug#20015132 ALTER TABLE FAILS TO CHECK IF TABLE IS CORRUPTED
#
CREATE TABLE t1(c1 INT PRIMARY KEY, c2 CHAR(1), c3 INT UNSIGNED) ENGINE=InnoDB;
SET @saved_debug_dbug = @@SESSION.debug_dbug;
SET DEBUG_DBUG='+d,create_index_metadata_fail';
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
ERROR HY000: The table 't1' is full
SET DEBUG_DBUG='+d,ib_create_table_fail_too_many_trx';
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
ERROR HY000: Too many active concurrent transactions
SET DEBUG_DBUG=@saved_debug_dbug;
ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
SET DEBUG_DBUG='+d,dict_set_index_corrupted';
CHECK TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	check	Warning	InnoDB: Index c2 is marked as corrupted
test.t1	check	Warning	InnoDB: Index c3 is marked as corrupted
test.t1	check	error	Corrupt
# restart
CHECK TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	check	Warning	InnoDB: Index c2 is marked as corrupted
test.t1	check	Warning	InnoDB: Index c3 is marked as corrupted
test.t1	check	error	Corrupt
ALTER TABLE t1 DROP INDEX c2;
CHECK TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	check	Warning	InnoDB: Index c3 is marked as corrupted
test.t1	check	error	Corrupt
ALTER TABLE t1 ADD INDEX (c2,c3);
ERROR HY000: Index c3 is corrupted
ALTER TABLE t1 CHANGE c3 c3 INT NOT NULL;
CHECK TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
ALTER TABLE t1 ADD INDEX (c2,c3);
DROP TABLE t1;
#
# Bug #14669848 CRASH DURING ALTER MAKES ORIGINAL TABLE INACCESSIBLE
#
# -- Scenario 1:
# Crash the server in ha_innobase::commit_inplace_alter_table()
# just after committing the dictionary changes.
CREATE TABLE t1 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=innodb;
INSERT INTO t1 VALUES (1,2),(3,4);
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_after_commit';
ALTER TABLE t1 ADD PRIMARY KEY (f2, f1);
ERROR HY000: Lost connection to server during query
# Restart mysqld after the crash and reconnect.
# restart
SELECT * FROM information_schema.innodb_sys_tables
WHERE table_id = ID;
TABLE_ID	NAME	FLAG	N_COLS	SPACE	ROW_FORMAT	ZIP_PAGE_SIZE	SPACE_TYPE
# Files in datadir after manual recovery.
db.opt
t1.frm
t1.ibd
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f1` int(11) NOT NULL,
  `f2` int(11) NOT NULL,
  PRIMARY KEY (`f2`,`f1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES (5,6),(7,8);
SELECT * FROM t1;
f1	f2
1	2
3	4
5	6
7	8
DROP TABLE t1;
CREATE TABLE t1 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=InnoDB;
ALTER TABLE t1 ADD PRIMARY KEY (f2, f1);
DROP TABLE t1;
# -- Scenario 2:
# Crash the server in ha_innobase::commit_inplace_alter_table()
# just before committing the dictionary changes, but after
# writing the MLOG_FILE_RENAME records. As the mini-transaction
# is not committed, the renames will not be replayed.
CREATE TABLE t2 (f1 int not null, f2 int not null) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,2),(3,4);
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_before_commit';
ALTER TABLE t2 ADD PRIMARY KEY (f2, f1);
ERROR HY000: Lost connection to server during query
# Startup the server after the crash
# restart
SELECT * FROM information_schema.innodb_sys_tables
WHERE name LIKE 'test/#sql-%';
TABLE_ID	NAME	FLAG	N_COLS	SPACE	ROW_FORMAT	ZIP_PAGE_SIZE	SPACE_TYPE
SHOW TABLES;
Tables_in_test
t2
INSERT INTO t2 VALUES (5,6),(7,8);
SELECT * from t2;
f1	f2
1	2
3	4
5	6
7	8
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `f1` int(11) NOT NULL,
  `f2` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP TABLE t2;
CREATE TABLE t2 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=InnoDB;
ALTER TABLE t2 ADD PRIMARY KEY (f2, f1);
DROP TABLE t2;
db.opt
# -------------------------
# End of Testing Scenario 2
# -------------------------
#
# Bug#19330255 WL#7142 - CRASH DURING ALTER TABLE LEADS TO
# DATA DICTIONARY INCONSISTENCY
#
CREATE TABLE t1(a int PRIMARY KEY, b varchar(255), c int NOT NULL)
ENGINE=InnoDB;
INSERT INTO t1 SET a=1,c=2;
SET DEBUG_DBUG='+d,innodb_alter_commit_crash_after_commit';
ALTER TABLE t1 ADD INDEX (b), CHANGE c d int, ALGORITHM=INPLACE;
ERROR HY000: Lost connection to server during query
# Restart mysqld after the crash and reconnect.
# restart
SELECT * FROM information_schema.innodb_sys_tables
WHERE table_id = ID;
TABLE_ID	NAME	FLAG	N_COLS	SPACE	ROW_FORMAT	ZIP_PAGE_SIZE	SPACE_TYPE
db.opt
t1.frm
t1.ibd
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL,
  `b` varchar(255) DEFAULT NULL,
  `d` int(11) DEFAULT NULL,
  PRIMARY KEY (`a`),
  KEY `b` (`b`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
UPDATE t1 SET d=NULL;
SELECT * FROM t1;
a	b	d
1	NULL	NULL
DROP TABLE t1;
#
# MDEV-22637 Rollback of insert fails when column reorder happens
#
SET @@SQL_MODE = REPLACE(@@SQL_MODE, 'STRICT_TRANS_TABLES', '');
SET @@SQL_MODE = REPLACE(@@SQL_MODE, 'STRICT_ALL_TABLES', '');
CREATE TABLE t1(f1 INT NOT NULL, f2 CHAR(100),
f3 CHAR(100), f4 CHAR(100))ENGINE=InnoDB;
INSERT INTO t1 VALUES(1, "This is column2", "This is column3",
"This is column4");
set DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL scanned WAIT_FOR insert_done';
ALTER TABLE t1 ADD COLUMN f6 int after f3, add primary key(f6, f4(3), f3(3));
connect con1,localhost,root,,;
SET DEBUG_SYNC = 'now WAIT_FOR scanned';
BEGIN;
INSERT INTO t1(f1, f2) VALUES(2, "This is column2 value");
ROLLBACK;
set DEBUG_SYNC = 'now SIGNAL insert_done';
connection default;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f1` int(11) NOT NULL,
  `f2` char(100) DEFAULT NULL,
  `f3` char(100) NOT NULL,
  `f6` int(11) NOT NULL,
  `f4` char(100) NOT NULL,
  PRIMARY KEY (`f6`,`f4`(3),`f3`(3))
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT COUNT(*) FROM t1;
COUNT(*)
1
disconnect con1;
DROP TABLE t1;
SET DEBUG_SYNC = 'RESET';
SET SQL_MODE=DEFAULT;
#
# MDEV-26936 Recovery crash on rolling back DELETE FROM SYS_INDEXES
#
CREATE TABLE t1(a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES(1,1);
connect ddl, localhost, root;
SET DEBUG_SYNC = 'row_merge_after_scan SIGNAL scanned WAIT_FOR commit';
SET DEBUG_SYNC = 'before_commit_rollback_inplace SIGNAL c WAIT_FOR ever';
ALTER TABLE t1 ADD UNIQUE INDEX(b), ALGORITHM=INPLACE;
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR scanned';
BEGIN;
INSERT INTO t1 VALUES(2,1);
COMMIT;
SET DEBUG_SYNC = 'now SIGNAL commit';
SET DEBUG_SYNC = 'now WAIT_FOR c';
SET GLOBAL innodb_fil_make_page_dirty_debug=0;
# Kill the server
disconnect ddl;
# restart
CHECK TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
SELECT * FROM t1;
a	b
1	1
2	1
DROP TABLE t1;