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# # Bug#16720368 INNODB CRASHES ON BROKEN #SQL*.IBD FILE AT STARTUP # SET GLOBAL innodb_file_per_table=1; CREATE TABLE bug16720368_1 (a INT PRIMARY KEY) ENGINE=InnoDB; CREATE TABLE bug16720368 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB; INSERT INTO bug16720368 (a) VALUES (1),(2),(3),(4),(5),(6),(7),(8); # Cleanly shutdown mysqld # Corrupt FIL_PAGE_OFFSET in bug16720368.ibd, # and update the checksum to the "don't care" value. # Restart mysqld # restart # This will succeed after a clean shutdown, due to # fil_open_single_table_tablespace(check_space_id=FALSE). SELECT COUNT(*) FROM bug16720368; COUNT(*) 8 INSERT INTO bug16720368_1 VALUES(1); # Kill and restart # The table is unaccessible, because after a crash we will # validate the tablespace header. SELECT COUNT(*) FROM bug16720368; ERROR HY000: Tablespace is missing for table `test`.`bug16720368`. INSERT INTO bug16720368 VALUES(0,1); ERROR HY000: Tablespace is missing for table `test`.`bug16720368`. # Kill and restart: --innodb-force-recovery=3 # The table is readable thanks to innodb-force-recovery. SELECT COUNT(*) FROM bug16720368; COUNT(*) 8 INSERT INTO bug16720368 VALUES(0,1); ERROR HY000: Operation not allowed when innodb_forced_recovery > 0. # Shut down the server cleanly to hide the corruption. # restart # The table is accessible, because after a clean shutdown we will # NOT validate the tablespace header. # We can modify the existing pages, but we cannot allocate or free # any pages, because that would hit the corruption on page 0. SELECT COUNT(*) FROM bug16720368; COUNT(*) 8 INSERT INTO bug16720368 VALUES(0,1); # Shut down the server to uncorrupt the data. # Restart the server after uncorrupting the file. # restart INSERT INTO bug16720368 VALUES(9,1); SELECT COUNT(*) FROM bug16720368; COUNT(*) 10 DROP TABLE bug16720368, bug16720368_1; # # Bug#16735660 ASSERT TABLE2 == NULL, ROLLBACK OF RESURRECTED TXNS, # DICT_TABLE_ADD_TO_CACHE # SET GLOBAL innodb_file_per_table=1; CREATE TEMPORARY TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB; BEGIN; INSERT INTO t1 VALUES(42); CREATE TABLE bug16735660 (a INT PRIMARY KEY) ENGINE=InnoDB; XA START 'x'; INSERT INTO bug16735660 VALUES(1),(2),(3); XA END 'x'; XA PREPARE 'x'; # Kill the server # Attempt to start without an *.ibd file. # restart SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; SELECT * FROM bug16735660; a 1 2 3 XA RECOVER; formatID gtrid_length bqual_length data 1 1 0 x XA ROLLBACK 'x'; SELECT * FROM bug16735660; a DROP TABLE bug16735660;