1set @log_output.saved = @@global.log_output;
2set @@global.log_output = 'TABLE';
3connect  con1,localhost,root,,;
4connect  con2,localhost,root,,;
5connection con1;
6set session long_query_time=10;
7select get_lock('bug27638', 1);
8get_lock('bug27638', 1)
91
10connection con2;
11set session long_query_time=1;
12select get_lock('bug27638', 2);
13get_lock('bug27638', 2)
140
15select if (query_time >= '00:00:01', 'OK', concat('WRONG: ',query_time)) as qt, sql_text from mysql.slow_log
16where sql_text = 'select get_lock(\'bug27638\', 2)';
17qt	sql_text
18OK	select get_lock('bug27638', 2)
19select get_lock('bug27638', 60);
20get_lock('bug27638', 60)
210
22select if (query_time >= '00:00:59', 'OK', concat('WRONG: ',query_time)) as qt, sql_text from mysql.slow_log
23where sql_text = 'select get_lock(\'bug27638\', 60)';
24qt	sql_text
25OK	select get_lock('bug27638', 60)
26select get_lock('bug27638', 101);
27get_lock('bug27638', 101)
280
29select if (query_time >= '00:01:40', 'OK', concat('WRONG: ',query_time)) as qt, sql_text from mysql.slow_log
30where sql_text = 'select get_lock(\'bug27638\', 101)';
31qt	sql_text
32OK	select get_lock('bug27638', 101)
33connection con1;
34select release_lock('bug27638');
35release_lock('bug27638')
361
37connection default;
38disconnect con1;
39disconnect con2;
40set @@global.log_output = @log_output.saved;
41