This file is indexed.

/usr/lib/mysql-testsuite/t/synchronization.test is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
# Save the initial number of concurrent sessions
--source include/count_sessions.inc

#
# Test for Bug#2385 CREATE TABLE LIKE lacks locking on source and destination
#                   table
#

--disable_warnings
DROP TABLE IF EXISTS t1,t2;
--enable_warnings

connect (con1,localhost,root,,);
connect (con2,localhost,root,,);

# locking of source:

CREATE TABLE t1 (x1 INT);
let $1= 10;
while ($1)
{
  connection con1;
    send ALTER TABLE t1 CHANGE x1 x2 INT;
  connection con2;
    CREATE TABLE t2 LIKE t1;
    replace_result x1 xx x2 xx;
    SHOW CREATE TABLE t2;
    DROP TABLE t2;
  connection con1;
    reap;
    send ALTER TABLE t1 CHANGE x2 x1 INT;
  connection con2;
    CREATE TABLE t2 LIKE t1;
    replace_result x1 xx x2 xx;
    SHOW CREATE TABLE t2;
    DROP TABLE t2;
  connection con1;
    reap;
  dec $1;
}
DROP TABLE t1;

connection default;
disconnect con1;
disconnect con2;

# End of 4.1 tests

# Wait till we reached the initial number of concurrent sessions
--source include/wait_until_count_sessions.inc