/usr/share/mysql/mysql-test/t/myisam-metadata.test is in mariadb-test-5.5 5.5.36-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Test bugs in MyISAM that may cause problems for metadata
#
--source include/big_test.inc
--source include/have_debug_sync.inc
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
#
# LP:989055 - Querying myisam table metadata may corrupt the table
#
CREATE TABLE t1 (
id INT PRIMARY KEY,
a VARCHAR(100),
INDEX(a)
) ENGINE=MyISAM;
ALTER TABLE t1 DISABLE KEYS;
let $1=100000;
--disable_query_log
while ($1)
{
eval insert into t1 values($1, "line number $1");
dec $1;
}
--enable_query_log
--connect(con1,localhost,root,,)
SET debug_sync= 'myisam_after_repair_by_sort SIGNAL waiting WAIT_FOR go';
send
ALTER TABLE t1 ENABLE KEYS;
--connection default
--let $wait_timeout=60
--let $show_statement= SHOW PROCESSLIST
--let $field= State
--let $condition= = 'Repair by sorting'
--source include/wait_show_condition.inc
SET debug_sync= 'now WAIT_FOR waiting';
SET debug_sync= 'now SIGNAL go';
--replace_column 7 # 8 # 9 # 12 # 13 # 14 #
SHOW TABLE STATUS LIKE 't1';
--connection con1
--reap
--connection default
--disconnect con1
DROP TABLE t1;
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