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SET DEBUG_SYNC = 'dispatch_command_before_set_time WAIT_FOR do_set_time';
SELECT 1;
SET DEBUG_SYNC = 'fill_schema_processlist_after_unow SIGNAL do_set_time WAIT_FOR fill_schema_proceed';
SELECT ID, TIME,TIME_MS FROM INFORMATION_SCHEMA.PROCESSLIST WHERE CONCAT(":", ID, ":") = ":TID:";
1
1
SET DEBUG_SYNC = 'now SIGNAL fill_schema_proceed';
ID TIME TIME_MS
TID 0 0.000
SET DEBUG_SYNC = 'dispatch_command_end SIGNAL query_done EXECUTE 2';
SET DEBUG_SYNC= 'now WAIT_FOR query_done';
SET DEBUG_SYNC= 'now SIGNAL nosignal';
select sleep(5);
sleep(5)
0
SET DEBUG_SYNC = 'now WAIT_FOR query_done';
select command, time < 5 from information_schema.processlist where id != connection_id();
command time < 5
Sleep 1
set debug_sync='reset';
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