MDL_savepoint Class Reference

Savepoint for MDL context. More...

#include <mdl.h>

Public Member Functions
	MDL_savepoint ()=default

Private Member Functions
	MDL_savepoint (MDL_ticket *stmt_ticket, MDL_ticket *trans_ticket)

Private Attributes
MDL_ticket *	m_stmt_ticket
	Pointer to last lock with statement duration which was taken before creation of savepoint. More...
MDL_ticket *	m_trans_ticket
	Pointer to last lock with transaction duration which was taken before creation of savepoint. More...

Friends
class	MDL_context

Detailed Description

Savepoint for MDL context.

Doesn't include metadata locks with explicit duration as they are not released during rollback to savepoint.

Constructor & Destructor Documentation

MDL_savepoint() [1/2]

MDL_savepoint::MDL_savepoint ( )

default

MDL_savepoint() [2/2]

MDL_savepoint::MDL_savepoint ( MDL_ticket *  stmt_ticket, MDL_ticket *  trans_ticket  )

inlineprivate

Friends And Related Function Documentation

MDL_context

friend class MDL_context

friend

Member Data Documentation

m_stmt_ticket

MDL_ticket* MDL_savepoint::m_stmt_ticket

private

Pointer to last lock with statement duration which was taken before creation of savepoint.

m_trans_ticket

MDL_ticket* MDL_savepoint::m_trans_ticket

private

Pointer to last lock with transaction duration which was taken before creation of savepoint.

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

• sql/mdl.h