lob::node_page_t Struct Reference

The node page (also can be called as the index page) contains a list of index_entry_t objects. More...

#include <lob0impl.h>

Inheritance diagram for lob::node_page_t:

Public Member Functions
void	set_version_0 ()
	node_page_t ()=default
	Default ctor. More...
	node_page_t (buf_block_t *block, mtr_t *mtr)
	node_page_t (buf_block_t *block, mtr_t *mtr, dict_index_t *index)
	node_page_t (mtr_t *mtr, dict_index_t *index)
	node_page_t (buf_block_t *block)
	Constructor. More...
void	import (trx_id_t trx_id)
	Import the node page or the index page. More...
buf_block_t *	alloc (first_page_t &first_page, bool bulk)
	Allocate one node page. More...
buf_block_t *	load_x (page_id_t page_id, page_size_t page_size)
void	dealloc ()
void	set_page_type ()
byte *	nodes_begin () const
Public Member Functions inherited from lob::basic_page_t
	basic_page_t ()
	basic_page_t (buf_block_t *block, mtr_t *mtr)
	basic_page_t (buf_block_t *block, mtr_t *mtr, dict_index_t *index)
void	set_space_id_no_redo (space_id_t space_id)
	Update the space identifier to given value without generating any redo log records. More...
page_no_t	get_page_no () const
	Get page number of the current page. More...
page_id_t	get_page_id () const
	Get the page id of the current page. More...
void	set_next_page (page_no_t page_no, mtr_t *mtr)
	Set the FIL_PAGE_NEXT to the given page number, using the given mini transaction context. More...
void	set_next_page (page_no_t page_no)
	Set the FIL_PAGE_NEXT to the given page number. More...
void	set_next_page_null ()
	Set the FIL_PAGE_NEXT to FIL_NULL. More...
page_no_t	get_next_page ()
page_type_t	get_page_type () const
byte *	frame () const
flst_node_t *	get_flst_node (const fil_addr_t &addr)
ulint	max_space_available ()
buf_block_t *	get_block () const noexcept
	Get the underlying buffer block. More...
void	set_block (buf_block_t *block)
void	set_mtr (mtr_t *mtr)

Static Public Member Functions
static ulint	payload ()
static ulint	max_space_available ()
static ulint	node_count ()
	Get the number of index entries this page can hold. More...
Static Public Member Functions inherited from lob::basic_page_t
static ulint	payload ()

Static Public Attributes
static const ulint	OFFSET_VERSION = FIL_PAGE_DATA
	Version information. More...
static const ulint	LOB_PAGE_DATA = OFFSET_VERSION + 1

Additional Inherited Members
Protected Attributes inherited from lob::basic_page_t
buf_block_t *	m_block {nullptr}
mtr_t *	m_mtr {nullptr}
dict_index_t *	m_index {nullptr}

Detailed Description

The node page (also can be called as the index page) contains a list of index_entry_t objects.

Constructor & Destructor Documentation

node_page_t() [1/5]

lob::node_page_t::node_page_t ( )

default

Default ctor.

node_page_t() [2/5]

lob::node_page_t::node_page_t ( buf_block_t *  block, mtr_t *  mtr  )

inline

node_page_t() [3/5]

lob::node_page_t::node_page_t ( buf_block_t *  block, mtr_t *  mtr, dict_index_t *  index  )

inline

node_page_t() [4/5]

lob::node_page_t::node_page_t ( mtr_t *  mtr, dict_index_t *  index  )

inline

node_page_t() [5/5]

lob::node_page_t::node_page_t ( buf_block_t *  block )

inline

Constructor.

Parameters

[in]

block

the buffer block.

Member Function Documentation

alloc()

buf_block_t * lob::node_page_t::alloc	(	first_page_t &	first_page,
		bool	bulk
	)

Allocate one node page.

dealloc()

void lob::node_page_t::dealloc ( )

inline

import()

void lob::node_page_t::import

(

trx_id_t

trx_id

)

Import the node page or the index page.

Parameters

[in]

trx_id

transaction identifier.

load_x()

buf_block_t * lob::node_page_t::load_x ( page_id_t  page_id, page_size_t  page_size  )

inline

max_space_available()

static ulint lob::node_page_t::max_space_available ( )

inlinestatic

node_count()

ulint lob::node_page_t::node_count ( )

static

Get the number of index entries this page can hold.

Returns

Number of index entries this page can hold.

nodes_begin()

byte * lob::node_page_t::nodes_begin ( ) const

inline

payload()

static ulint lob::node_page_t::payload ( )

inlinestatic

set_page_type()

void lob::node_page_t::set_page_type ( )

inline

set_version_0()

void lob::node_page_t::set_version_0 ( )

inline

Member Data Documentation

LOB_PAGE_DATA

const ulint lob::node_page_t::LOB_PAGE_DATA = OFFSET_VERSION + 1

static

OFFSET_VERSION

const ulint lob::node_page_t::OFFSET_VERSION = FIL_PAGE_DATA

static

Version information.

One byte.

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

• storage/innobase/include/lob0impl.h
• storage/innobase/lob/lob0impl.cc