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Merge 5.5->5.5-mwl248
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@ -15,6 +15,9 @@ SET @before_count = (SELECT SUM(TIMER_WAIT)
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FROM performance_schema.events_waits_history_long
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WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
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AND (OBJECT_NAME LIKE '%t1.MYD'));
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SELECT (@before_count >= 0) as have_before_count;
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have_before_count
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1
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SELECT IF(@before_count > 0, 'Success', 'Failure') has_instrumentation;
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has_instrumentation
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Success
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@ -27,6 +30,9 @@ SET @after_count = (SELECT SUM(TIMER_WAIT)
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FROM performance_schema.events_waits_history_long
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WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
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AND (OBJECT_NAME LIKE '%t1.MYD') AND (1 = 1));
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SELECT (@after_count >= 0) as have_after_count;
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have_after_count
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1
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SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_ff1_timed;
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test_ff1_timed
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Success
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@ -35,6 +41,9 @@ SET @before_count = (SELECT SUM(TIMER_WAIT)
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FROM performance_schema.events_waits_history_long
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WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
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AND (OBJECT_NAME LIKE '%t1.MYD') AND (2 = 2));
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SELECT (@before_count >= 0) as have_before_count;
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have_before_count
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1
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SELECT * FROM t1 WHERE id < 6;
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id b
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1 initial value
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@ -46,6 +55,9 @@ SET @after_count = (SELECT SUM(TIMER_WAIT)
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FROM performance_schema.events_waits_history_long
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WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
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AND (OBJECT_NAME LIKE '%t1.MYD') AND (3 = 3));
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SELECT (@after_count >= 0) as have_after_count;
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have_after_count
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1
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SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_ff2_timed;
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test_ff2_timed
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Success
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@ -36,9 +36,9 @@ Qcache_hits 1
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select spins from performance_schema.events_waits_current order by event_name limit 1;
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spins
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NULL
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select name from performance_schema.setup_instruments order by name limit 1;
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name
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wait/io/file/aria/control
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select * from performance_schema.setup_timers where name='wait';
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NAME TIMER_NAME
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wait CYCLE
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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 1
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@ -51,9 +51,9 @@ Qcache_hits 1
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select spins from performance_schema.events_waits_current order by event_name limit 1;
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spins
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NULL
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select name from performance_schema.setup_instruments order by name limit 1;
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name
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wait/io/file/aria/control
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select * from performance_schema.setup_timers where name='wait';
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NAME TIMER_NAME
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wait CYCLE
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show status like "Qcache_queries_in_cache";
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Variable_name Value
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Qcache_queries_in_cache 1
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