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99 lines
4.3 KiB
Text
99 lines
4.3 KiB
Text
select * from performance_schema.file_instances limit 1;
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select * from performance_schema.file_instances
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where file_name='FOO';
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insert into performance_schema.file_instances
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set file_name='FOO', event_name='BAR', open_count=12;
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ERROR 42000: INSERT command denied to user 'root'@'localhost' for table `performance_schema`.`file_instances`
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update performance_schema.file_instances
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set file_name='FOO';
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ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table `performance_schema`.`file_instances`
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delete from performance_schema.file_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`.`file_instances`
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delete from performance_schema.file_instances;
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ERROR 42000: DELETE command denied to user 'root'@'localhost' for table `performance_schema`.`file_instances`
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LOCK TABLES performance_schema.file_instances READ;
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ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table `performance_schema`.`file_instances`
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UNLOCK TABLES;
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LOCK TABLES performance_schema.file_instances WRITE;
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ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table `performance_schema`.`file_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='file_instances';
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column_name column_comment
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FILE_NAME File name.
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EVENT_NAME Instrument name associated with the file.
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OPEN_COUNT Open handles on the file. A value of greater than zero means that the file is currently open.
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###
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### Bug#26152751: INNODB LEAKS MEMORY, PERFORMANCE_SCHEMA FILE_INSTANCES
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### #SQL-IB3129987-252773.IBD
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###
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CREATE DATABASE db_26152751;
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USE db_26152751;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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CREATE TABLE t_db_26152751 (a INT) ENGINE=MYISAM;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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t_db_26152751.MYD
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t_db_26152751.MYI
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t_db_26152751.frm
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RENAME TABLE t_db_26152751 to t_db_26152751_new;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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t_db_26152751_new.MYD
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t_db_26152751_new.MYI
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t_db_26152751_new.frm
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RENAME TABLE t_db_26152751_new to t_db_26152751;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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t_db_26152751.MYD
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t_db_26152751.MYI
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t_db_26152751.frm
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ALTER TABLE t_db_26152751 ADD COLUMN b INT;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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t_db_26152751.frm
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t_db_26152751.MYD
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t_db_26152751.MYI
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DROP TABLE t_db_26152751;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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CREATE TABLE t_db_26152751 (a INT) ENGINE=INNODB;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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t_db_26152751.frm
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t_db_26152751.ibd
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RENAME TABLE t_db_26152751 to t_db_26152751_new;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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t_db_26152751_new.frm
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t_db_26152751_new.ibd
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RENAME TABLE t_db_26152751_new to t_db_26152751;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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t_db_26152751.frm
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t_db_26152751.ibd
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ALTER TABLE t_db_26152751 ADD COLUMN b INT;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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t_db_26152751.frm
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t_db_26152751.ibd
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DROP TABLE t_db_26152751;
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SELECT FILE_NAME FROM performance_schema.file_instances WHERE FILE_NAME LIKE "%t_db_26152751%" ORDER BY FILE_NAME;
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FILE_NAME
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DROP DATABASE db_26152751;
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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='file_instances';
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column_name column_comment
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FILE_NAME File name.
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EVENT_NAME Instrument name associated with the file.
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OPEN_COUNT Open handles on the file. A value of greater than zero means that the file is currently open.
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