btrec_t Class Reference

Represents a record in BTree. More...

#include <btree_page_h.h>

Public Member Functions
	btrec_t ()
	btrec_t (const btree_page_h &page, slotid_t slot)
	~btrec_t ()
btrec_t &	set (const btree_page_h &page, slotid_t slot)
	Load up a reference to the tuple at slot in "page". More...
smsize_t	elen () const
const w_keystr_t &	key () const
const cvec_t &	elem () const
PageID	child () const
	returns the opaque version More...
const lsn_t &	child_emlsn () const
bool	is_ghost_record () const

Private Member Functions
	btrec_t (const btrec_t &)
btrec_t &	operator= (const btrec_t &)

Private Attributes
bool	_ghost_record
w_keystr_t	_key
PageID	_child
lsn_t	_child_emlsn
cvec_t	_elem

Friends
class	btree_page_h

Detailed Description

Represents a record in BTree.

This class abstracts how we store key/record in our BTree, which might be quite un-intuitive without this class.

Constructor & Destructor Documentation

btrec_t() [1/3]

btrec_t::btrec_t ( )

inline

btrec_t() [2/3]

btrec_t::btrec_t ( const btree_page_h &  page, slotid_t  slot  )

inline

~btrec_t()

btrec_t::~btrec_t ( )

inline

btrec_t() [3/3]

btrec_t::btrec_t ( const btrec_t &  )

private

Member Function Documentation

child()

PageID btrec_t::child ( ) const

inline

returns the opaque version

child_emlsn()

const lsn_t& btrec_t::child_emlsn ( ) const

inline

elem()

const cvec_t& btrec_t::elem ( ) const

inline

elen()

smsize_t btrec_t::elen ( ) const

inline

is_ghost_record()

bool btrec_t::is_ghost_record ( ) const

inline

key()

const w_keystr_t& btrec_t::key ( ) const

inline

operator=()

btrec_t& btrec_t::operator= ( const btrec_t &  )

private

set()

btrec_t & btrec_t::set	(	const btree_page_h &	page,
		slotid_t	slot
	)

Load up a reference to the tuple at slot in "page".

Friends And Related Function Documentation

btree_page_h

friend class btree_page_h

friend

Member Data Documentation

_child

PageID btrec_t::_child

private

_elem

cvec_t btrec_t::_elem

private

_ghost_record

bool btrec_t::_ghost_record

private

_key

w_keystr_t btrec_t::_key

private

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

• src/sm/btree_page_h.h
• src/sm/btree_page_h.cpp