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149 lines
4.5 KiB
Text
149 lines
4.5 KiB
Text
#
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# Bug#20015132 ALTER TABLE FAILS TO CHECK IF TABLE IS CORRUPTED
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#
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CREATE TABLE t1(c1 INT PRIMARY KEY, c2 CHAR(1), c3 INT UNSIGNED) ENGINE=InnoDB;
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SET @saved_debug_dbug = @@SESSION.debug_dbug;
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SET DEBUG_DBUG='+d,ib_create_table_fail_too_many_trx';
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ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
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ERROR HY000: Too many active concurrent transactions
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SET DEBUG_DBUG=@saved_debug_dbug;
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ALTER TABLE t1 ADD INDEX (c2), ADD INDEX (c3);
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SET DEBUG_DBUG='+d,dict_set_index_corrupted';
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check Warning InnoDB: Index c2 is marked as corrupted
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test.t1 check Warning InnoDB: Index c3 is marked as corrupted
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test.t1 check error Corrupt
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check Warning InnoDB: Index c2 is marked as corrupted
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test.t1 check Warning InnoDB: Index c3 is marked as corrupted
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test.t1 check error Corrupt
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ALTER TABLE t1 DROP INDEX c2;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check Warning InnoDB: Index c3 is marked as corrupted
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test.t1 check error Corrupt
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ALTER TABLE t1 ADD INDEX (c2,c3);
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ERROR HY000: Index c3 is corrupted
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ALTER TABLE t1 CHANGE c3 c3 INT NOT NULL;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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ALTER TABLE t1 ADD INDEX (c2,c3);
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DROP TABLE t1;
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#
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# Bug #14669848 CRASH DURING ALTER MAKES ORIGINAL TABLE INACCESSIBLE
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#
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# -- Scenario 1:
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# Crash the server in ha_innobase::commit_inplace_alter_table()
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# just after committing the dictionary changes.
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CREATE TABLE t1 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=innodb;
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INSERT INTO t1 VALUES (1,2),(3,4);
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SET DEBUG_DBUG='+d,innodb_alter_commit_crash_after_commit';
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ALTER TABLE t1 ADD PRIMARY KEY (f2, f1);
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ERROR HY000: Lost connection to MySQL server during query
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# Restart mysqld after the crash and reconnect.
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# Manual *.frm recovery begin.
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# Manual recovery end
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FLUSH TABLES;
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# Drop the orphaned original table.
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# Files in datadir after manual recovery.
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t1.frm
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t1.ibd
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SHOW TABLES;
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Tables_in_test
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t1
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`f1` int(11) NOT NULL,
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`f2` int(11) NOT NULL,
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PRIMARY KEY (`f2`,`f1`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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INSERT INTO t1 VALUES (5,6),(7,8);
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SELECT * FROM t1;
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f1 f2
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1 2
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3 4
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5 6
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7 8
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DROP TABLE t1;
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CREATE TABLE t1 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=InnoDB;
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ALTER TABLE t1 ADD PRIMARY KEY (f2, f1);
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DROP TABLE t1;
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# -- Scenario 2:
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# Crash the server in ha_innobase::commit_inplace_alter_table()
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# just before committing the dictionary changes, but after
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# writing the MLOG_FILE_RENAME records. As the mini-transaction
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# is not committed, the renames will not be replayed.
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CREATE TABLE t2 (f1 int not null, f2 int not null) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (1,2),(3,4);
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SET DEBUG_DBUG='+d,innodb_alter_commit_crash_before_commit';
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ALTER TABLE t2 ADD PRIMARY KEY (f2, f1);
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ERROR HY000: Lost connection to MySQL server during query
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# Startup the server after the crash
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# Read and remember the temporary table name
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# Manual *.frm recovery begin. The dictionary was not updated
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# and the files were not renamed. The rebuilt table
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# was left behind on purpose, to faciliate data recovery.
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# Manual recovery end
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# Drop the orphaned rebuilt table.
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SHOW TABLES;
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Tables_in_test
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t2
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INSERT INTO t2 VALUES (5,6),(7,8);
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SELECT * from t2;
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f1 f2
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1 2
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3 4
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5 6
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7 8
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`f1` int(11) NOT NULL,
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`f2` int(11) NOT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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DROP TABLE t2;
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CREATE TABLE t2 (f1 INT NOT NULL, f2 INT NOT NULL) ENGINE=InnoDB;
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ALTER TABLE t2 ADD PRIMARY KEY (f2, f1);
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DROP TABLE t2;
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# -------------------------
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# End of Testing Scenario 2
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# -------------------------
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#
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# Bug#19330255 WL#7142 - CRASH DURING ALTER TABLE LEADS TO
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# DATA DICTIONARY INCONSISTENCY
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#
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CREATE TABLE t1(a int PRIMARY KEY, b varchar(255), c int NOT NULL)
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ENGINE=InnoDB;
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INSERT INTO t1 SET a=1,c=2;
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SET DEBUG_DBUG='+d,innodb_alter_commit_crash_after_commit';
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ALTER TABLE t1 ADD INDEX (b), CHANGE c d int, ALGORITHM=INPLACE;
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ERROR HY000: Lost connection to MySQL server during query
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# Restart mysqld after the crash and reconnect.
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# Manual *.frm recovery begin.
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# Manual recovery end
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FLUSH TABLES;
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# Drop the orphaned original table.
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# Files in datadir after manual recovery.
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t1.frm
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t1.ibd
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SHOW TABLES;
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Tables_in_test
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t1
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL,
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`b` varchar(255) DEFAULT NULL,
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`d` int(11) DEFAULT NULL,
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PRIMARY KEY (`a`),
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KEY `b` (`b`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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UPDATE t1 SET d=NULL;
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SELECT * FROM t1;
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a b d
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1 NULL NULL
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DROP TABLE t1;
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