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# | ||
# 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,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 | ||
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 MySQL server during query | ||
# Restart mysqld after the crash and reconnect. | ||
# Manual *.frm recovery begin. | ||
# Manual recovery end | ||
FLUSH TABLES; | ||
# Drop the orphaned original table. | ||
# Files in datadir after manual recovery. | ||
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 | ||
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 MySQL server during query | ||
# Startup the server after the crash | ||
# Read and remember the temporary table name | ||
# Manual *.frm recovery begin. The dictionary was not updated | ||
# and the files were not renamed. The rebuilt table | ||
# was left behind on purpose, to faciliate data recovery. | ||
# Manual recovery end | ||
# Drop the orphaned rebuilt table. | ||
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 | ||
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; | ||
# ------------------------- | ||
# 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 MySQL server during query | ||
# Restart mysqld after the crash and reconnect. | ||
# Manual *.frm recovery begin. | ||
# Manual recovery end | ||
FLUSH TABLES; | ||
# Drop the orphaned original table. | ||
# Files in datadir after manual recovery. | ||
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 | ||
UPDATE t1 SET d=NULL; | ||
SELECT * FROM t1; | ||
a b d | ||
1 NULL NULL | ||
DROP TABLE t1; |
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--loose-innodb-sys-tables |
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