MDL_release_locks_visitor Class Reference

Base class to find out if the lock represented by a given ticket should be released. More...

#include <mdl.h>

Inheritance diagram for MDL_release_locks_visitor:

Public Member Functions
virtual	~MDL_release_locks_visitor ()=default
virtual bool	release (MDL_ticket *ticket)=0
	Check if the given ticket represents a lock that should be released. More...

Detailed Description

Base class to find out if the lock represented by a given ticket should be released.

Users of release_locks() need to subclass this and specify an implementation of release(). Only for locks with explicit duration.

Constructor & Destructor Documentation

~MDL_release_locks_visitor()

virtual MDL_release_locks_visitor::~MDL_release_locks_visitor ( )

virtualdefault

Member Function Documentation

release()

virtual bool MDL_release_locks_visitor::release ( MDL_ticket *  ticket )

pure virtual

Check if the given ticket represents a lock that should be released.

Return values

true	if the lock should be released, false otherwise.

Implemented in Release_acl_cache_locks, Release_all_locking_service_locks, Release_locking_service_locks, Release_all_backup_locks, and Release_histogram_locks.

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The documentation for this class was generated from the following file:

• sql/mdl.h