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23 lines
1.2 KiB
Text
23 lines
1.2 KiB
Text
select * from performance_schema.MUTEX_INSTANCES limit 1;
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NAME OBJECT_INSTANCE_BEGIN LOCKED_BY_THREAD_ID
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# # NULL
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select * from performance_schema.MUTEX_INSTANCES
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where name='FOO';
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NAME OBJECT_INSTANCE_BEGIN LOCKED_BY_THREAD_ID
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insert into performance_schema.MUTEX_INSTANCES
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set name='FOO', object_instance_begin=12;
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ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
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update performance_schema.MUTEX_INSTANCES
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set name='FOO';
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ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
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delete from performance_schema.MUTEX_INSTANCES
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where name like "wait/%";
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ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
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delete from performance_schema.MUTEX_INSTANCES;
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ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
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LOCK TABLES performance_schema.MUTEX_INSTANCES READ;
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ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
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UNLOCK TABLES;
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LOCK TABLES performance_schema.MUTEX_INSTANCES WRITE;
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ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
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UNLOCK TABLES;
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