RELEASE_ALL_LOCKS
MariaDB until 10.5.2
RELEASE_ALL_LOCKS was added in MariaDB 10.5.2.
Syntax
RELEASE_ALL_LOCKS()
Contents
Description
Releases all named locks held by the current session. Returns the number of locks released, or 0
if none were held.
Statements using the RELEASE_ALL_LOCKS
function are not safe for statement-based replication.
Examples
SELECT RELEASE_ALL_LOCKS(); +---------------------+ | RELEASE_ALL_LOCKS() | +---------------------+ | 0 | +---------------------+ SELECT GET_LOCK('lock1',10); +----------------------+ | GET_LOCK('lock1',10) | +----------------------+ | 1 | +----------------------+ SELECT RELEASE_ALL_LOCKS(); +---------------------+ | RELEASE_ALL_LOCKS() | +---------------------+ | 1 | +---------------------+
See Also
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