diff options
Diffstat (limited to 'mysql-test/suite/perfschema/r/dml_rwlock_instances.result')
| -rw-r--r-- | mysql-test/suite/perfschema/r/dml_rwlock_instances.result | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/mysql-test/suite/perfschema/r/dml_rwlock_instances.result b/mysql-test/suite/perfschema/r/dml_rwlock_instances.result new file mode 100644 index 00000000..0c1c211e --- /dev/null +++ b/mysql-test/suite/perfschema/r/dml_rwlock_instances.result @@ -0,0 +1,31 @@ +select * from performance_schema.rwlock_instances limit 1; +select * from performance_schema.rwlock_instances +where name='FOO'; +insert into performance_schema.rwlock_instances +set name='FOO', object_instance_begin=12; +ERROR 42000: INSERT command denied to user 'root'@'localhost' for table `performance_schema`.`rwlock_instances` +update performance_schema.rwlock_instances +set name='FOO'; +ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table `performance_schema`.`rwlock_instances` +delete from performance_schema.rwlock_instances +where name like "wait/%"; +ERROR 42000: DELETE command denied to user 'root'@'localhost' for table `performance_schema`.`rwlock_instances` +delete from performance_schema.rwlock_instances; +ERROR 42000: DELETE command denied to user 'root'@'localhost' for table `performance_schema`.`rwlock_instances` +LOCK TABLES performance_schema.rwlock_instances READ; +ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table `performance_schema`.`rwlock_instances` +UNLOCK TABLES; +LOCK TABLES performance_schema.rwlock_instances WRITE; +ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table `performance_schema`.`rwlock_instances` +UNLOCK TABLES; +# +# MDEV-25325 column_comment for performance_schema tables +# +select column_name, column_comment +from information_schema.columns +where table_schema='performance_schema' and table_name='rwlock_instances'; +column_name column_comment +NAME Instrument name associated with the read write lock +OBJECT_INSTANCE_BEGIN Address in memory of the instrumented lock +WRITE_LOCKED_BY_THREAD_ID THREAD_ID of the locking thread if locked in write (exclusive) mode, otherwise NULL. +READ_LOCKED_BY_COUNT Count of current read locks held |