mirror of
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1f51d6c0f6
- Added missing information about database of corresponding table for various types of commands - Update some typos - Reviewed by: <vicentiu@mariadb.org>
34 lines
2 KiB
Text
34 lines
2 KiB
Text
select * from performance_schema.socket_instances limit 1;
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select * from performance_schema.socket_instances
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where ip='FOO';
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insert into performance_schema.socket_instances
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set ip='FOO', event_name='BAR', port=12;
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ERROR 42000: INSERT command denied to user 'root'@'localhost' for table `performance_schema`.`socket_instances`
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update performance_schema.socket_instances
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set ip='FOO';
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ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table `performance_schema`.`socket_instances`
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delete from performance_schema.socket_instances
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where event_name like "wait/%";
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ERROR 42000: DELETE command denied to user 'root'@'localhost' for table `performance_schema`.`socket_instances`
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delete from performance_schema.socket_instances;
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ERROR 42000: DELETE command denied to user 'root'@'localhost' for table `performance_schema`.`socket_instances`
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LOCK TABLES performance_schema.socket_instances READ;
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ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table `performance_schema`.`socket_instances`
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UNLOCK TABLES;
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LOCK TABLES performance_schema.socket_instances WRITE;
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ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table `performance_schema`.`socket_instances`
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UNLOCK TABLES;
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#
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# MDEV-25325 column_comment for performance_schema tables
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#
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select column_name, column_comment
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from information_schema.columns
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where table_schema='performance_schema' and table_name='socket_instances';
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column_name column_comment
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EVENT_NAME NAME from the setup_instruments table, and the name of the wait/io/socket/* instrument that produced the event.
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OBJECT_INSTANCE_BEGIN Memory address of the object.
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THREAD_ID Thread identifier that the server assigns to each socket.
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SOCKET_ID The socket's internal file handle.
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IP Client IP address. Blank for Unix socket file, otherwise an IPv4 or IPv6 address. Together with the PORT identifies the connection.
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PORT TCP/IP port number, from 0 to 65535. Together with the IP identifies the connection.
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STATE Socket status, either IDLE if waiting to receive a request from a client, or ACTIVE
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