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