dd::upgrade_57::Upgrade_MDL_guard Class Reference

RAII to handle MDL locks while upgrading. More...

Public Member Functions
bool	acquire_lock (const String_type &db_name, const String_type &table_name)
bool	acquire_lock_tablespace (Tablespace_hash_set *tablespace_names)
	Upgrade_MDL_guard (THD *thd)
	~Upgrade_MDL_guard ()

Private Attributes
MDL_ticket *	m_mdl_ticket_schema
MDL_ticket *	m_mdl_ticket_table
bool	m_tablespace_lock
THD *	m_thd

Detailed Description

RAII to handle MDL locks while upgrading.

Constructor & Destructor Documentation

Upgrade_MDL_guard()

dd::upgrade_57::Upgrade_MDL_guard::Upgrade_MDL_guard ( THD *  thd )

inline

~Upgrade_MDL_guard()

dd::upgrade_57::Upgrade_MDL_guard::~Upgrade_MDL_guard ( )

inline

Member Function Documentation

acquire_lock()

bool dd::upgrade_57::Upgrade_MDL_guard::acquire_lock ( const String_type &  db_name, const String_type &  table_name  )

inline

acquire_lock_tablespace()

bool dd::upgrade_57::Upgrade_MDL_guard::acquire_lock_tablespace ( Tablespace_hash_set *  tablespace_names )

inline

Member Data Documentation

m_mdl_ticket_schema

MDL_ticket* dd::upgrade_57::Upgrade_MDL_guard::m_mdl_ticket_schema

private

m_mdl_ticket_table

MDL_ticket* dd::upgrade_57::Upgrade_MDL_guard::m_mdl_ticket_table

private

m_tablespace_lock

bool dd::upgrade_57::Upgrade_MDL_guard::m_tablespace_lock

private

m_thd

THD* dd::upgrade_57::Upgrade_MDL_guard::m_thd

private

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

• sql/dd/upgrade_57/table.cc