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45 lines
1.5 KiB
Text
45 lines
1.5 KiB
Text
#
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# BUG#41330 - Myisam table open count set to zero before index blocks are written.
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#
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# Don't test this under valgrind, memory leaks will occur
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# Binary must be compiled with debug for crash to occur
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SET GLOBAL delay_key_write=ALL;
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CREATE TABLE t1(a INT,
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b INT,
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PRIMARY KEY(a , b),
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KEY(b)) ENGINE=MyISAM DELAY_KEY_WRITE = 1;
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INSERT INTO t1 VALUES (1,2),(2,3),(3,4),(4,5),(5,6);
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# Setup the mysqld to crash at certain point
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SET SESSION debug="d,crash_before_flush_keys";
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# Write file to make mysql-test-run.pl expect crash
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# Run the crashing query
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FLUSH TABLE t1;
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ERROR HY000: Lost connection to MySQL server during query
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# Run MYISAMCHK tool to check the table t1 and repair
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myisamchk: MyISAM file MYSQLD_DATADIR/test/t1
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myisamchk: warning: 1 client is using or hasn't closed the table properly
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myisamchk: error: Size of indexfile is: 1024 Should be: 3072
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MYISAMCHK: Unknown error 126
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myisamchk: error: Can't read indexpage from filepos: 1024
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MyISAM-table 'MYSQLD_DATADIR/test/t1' is corrupted
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Fix it using switch "-r" or "-o"
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# Write file to make mysql-test-run.pl start the server
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# Turn on reconnect
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# Call script that will poll the server waiting for
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# it to be back online again
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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 DEFAULT '0',
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`b` int(11) NOT NULL DEFAULT '0',
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PRIMARY KEY (`a`,`b`),
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KEY `b` (`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 DELAY_KEY_WRITE=1
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SELECT * FROM t1 FORCE INDEX (PRIMARY);
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a b
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1 2
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2 3
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3 4
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4 5
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5 6
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DROP TABLE t1;
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