database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

MDEV-25325 built-in documentation for performance_schema tables

Browse Source 
Improve documentation of performance_schema tables by appending COLUMN
comments to tables. Additionally improve test coverage and update corresponding
tests.
This commit is contained in:
Haidong Ji
2021-05-02 15:43:04 -05:00
committed by Vicențiu Ciorbaru
parent edde990e35
commit 528abc749e
151 changed files with 3867 additions and 2377 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
mysql-test/suite/perfschema/r/dml_mutex_instances.result
View File

@ -18,3 +18,13 @@ UNLOCK TABLES;
LOCK TABLES performance_schema.mutex_instances WRITE;
ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'mutex_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='mutex_instances';
column_name column_comment
NAME Instrument name associated with the mutex.
OBJECT_INSTANCE_BEGIN Memory address of the instrumented mutex.
LOCKED_BY_THREAD_ID The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.