RELEASE_ALL_LOCKS()
This page is part of MariaDB's Enterprise Documentation.
The parent of this page is: Functions
Topics on this page:
Overview
- In 10.6 ES, 10.6 CS, 10.5 ES, 10.5 CS:
A description for this Function has not yet been added to this Documentation.
- In 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:
Not present
See also: Functions in 10.6 ES, in 10.6 CS, in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS
EXAMPLES
SELECT GET_LOCK('lck1',60);
+---------------------+
| GET_LOCK('lck1',60) |
+---------------------+
| 1 |
+---------------------+
SELECT GET_LOCK('lck2',60);
+---------------------+
| GET_LOCK('lck2',60) |
+---------------------+
| 1 |
+---------------------+
SELECT IS_USED_LOCK('lck1');
+----------------------+
| IS_USED_LOCK('lck1') |
+----------------------+
| 1234 |
+----------------------+
SELECT RELEASE_ALL_LOCKS();
+---------------------+
| RELEASE_ALL_LOCKS() |
+---------------------+
| 2 |
+---------------------+
SELECT IS_USED_LOCK('lck1');
+----------------------+
| IS_USED_LOCK('lck1') |
+----------------------+
| NULL |
+----------------------+
CHANGE HISTORY
Release Series | History |
---|---|
10.6 Enterprise |
|
10.6 Community |
|
10.5 Enterprise |
|
10.5 Community |
|
10.4 Enterprise |
|
10.4 Community |
|
10.3 Enterprise |
|
10.3 Community |
|
10.2 Enterprise |
|
10.2 Community |
|
EXTERNAL REFERENCES
Information specific to MariaDB SkySQL can be found on the RELEASE_ALL_LOCKS() page in the SkySQL Documentation.