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If InnoDB crash recovery was needed, the InnoDB function srv_start() would invoke extra validation, reading something from every InnoDB data file. This should be unnecessary now that MDEV-14717 made RENAME operations crash-safe inside InnoDB (which can be disabled in MariaDB 10.2 by setting innodb_safe_truncate=OFF). dict_check_sys_tables(): Skip tables that would be dropped by row_mysql_drop_garbage_tables(). Perform extra validation only if innodb_safe_truncate=OFF, innodb_force_recovery=0 and crash recovery was needed. dict_load_table_one(): Validate the root page of the table. In this way, we can deny access to corrupted or mismatching tables not only after crash recovery, but also after a clean shutdown.
59 lines
1.7 KiB
Plaintext
59 lines
1.7 KiB
Plaintext
#
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# Bug#16720368 INNODB CRASHES ON BROKEN #SQL*.IBD FILE AT STARTUP
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#
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SET GLOBAL innodb_file_per_table=1;
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CREATE TABLE bug16720368_1 (a INT PRIMARY KEY) ENGINE=InnoDB;
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connect con1,localhost,root;
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CREATE TABLE bug16720368 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
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INSERT INTO bug16720368 (a) VALUES (1),(2),(3),(4),(5),(6),(7),(8);
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connection default;
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# Cleanly shutdown mysqld
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disconnect con1;
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# Corrupt FIL_PAGE_OFFSET in bug16720368.ibd,
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# and recompute innodb_checksum_algorithm=crc32
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# Restart mysqld
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SELECT COUNT(*) FROM bug16720368;
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ERROR 42S02: Table 'test.bug16720368' doesn't exist in engine
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INSERT INTO bug16720368 VALUES(1);
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ERROR 42S02: Table 'test.bug16720368' doesn't exist in engine
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INSERT INTO bug16720368_1 VALUES(1);
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# Shut down the server to uncorrupt the data.
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# Restart the server after uncorrupting the file.
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INSERT INTO bug16720368 VALUES(9,1);
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SELECT COUNT(*) FROM bug16720368;
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COUNT(*)
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9
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DROP TABLE bug16720368, bug16720368_1;
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#
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# Bug#16735660 ASSERT TABLE2 == NULL, ROLLBACK OF RESURRECTED TXNS,
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# DICT_TABLE_ADD_TO_CACHE
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#
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SET GLOBAL innodb_file_per_table=1;
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CREATE TEMPORARY TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
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BEGIN;
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INSERT INTO t1 VALUES(42);
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connect con1,localhost,root;
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CREATE TABLE bug16735660 (a INT PRIMARY KEY) ENGINE=InnoDB;
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XA START 'x';
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INSERT INTO bug16735660 VALUES(1),(2),(3);
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XA END 'x';
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XA PREPARE 'x';
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connection default;
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# Kill the server
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disconnect con1;
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# Attempt to start without an *.ibd file.
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FOUND 1 /\[ERROR\] InnoDB: Tablespace [0-9]+ was not found at .*test.bug16735660.ibd/ in mysqld.1.err
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SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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SELECT * FROM bug16735660;
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a
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1
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2
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3
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XA RECOVER;
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formatID gtrid_length bqual_length data
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1 1 0 x
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XA ROLLBACK 'x';
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SELECT * FROM bug16735660;
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a
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DROP TABLE bug16735660;
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