merge 5.0-bugteam to 5.1-bugteam

mysql-test/r/myisam_crash_before_flush_keys.result

@@ -0,0 +1,45 @@
+#
+# 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
+1	2
+2	3
+3	4
+4	5
+5	6
+DROP TABLE t1;