lob::z_index_page_t Struct Reference

An index page containing an array of z_index_entry_t objects. More...

#include <lob0impl.h>

Public Member Functions
	z_index_page_t (mtr_t *mtr)
	Constructor. More...
	z_index_page_t (buf_block_t *block, mtr_t *mtr, dict_index_t *index)
	Constructor. More...
	z_index_page_t (mtr_t *mtr, dict_index_t *index)
	Constructor. More...
	z_index_page_t (buf_block_t *block)
	Constructor. More...
	z_index_page_t (buf_block_t *block, dict_index_t *index)
	Constructor. More...
void	set_space_id_no_redo (space_id_t space_id)
	Write the space identifier to the page header, without generating redo log records. More...
void	set_page_type (mtr_t *mtr)
	Set the correct page type. More...
void	set_version_0 ()
void	set_next_page_no (page_no_t page_no)
	Set the next page number. More...
page_no_t	get_page_no () const
	Get the page number. More...
page_no_t	get_next_page_no () const
	Get the next page number. More...
buf_block_t *	alloc (z_first_page_t &first, bool bulk)
	Allocate an ZLOB index page. More...
void	import (trx_id_t trx_id)
buf_block_t *	load_x (page_no_t page_no)
	Load the given compressed LOB index page. More...
void	dealloc ()
void	init (flst_base_node_t *free_lst, mtr_t *mtr)
ulint	payload () const
ulint	get_n_index_entries () const
byte *	frame () const

Public Attributes
buf_block_t *	m_block
	The buffer block of the compressed LOB index page. More...
mtr_t *	m_mtr
	The mini-transaction context. More...
dict_index_t *	m_index
	The index to which the LOB belongs. More...

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

Detailed Description

An index page containing an array of z_index_entry_t objects.

Constructor & Destructor Documentation

z_index_page_t() [1/5]

lob::z_index_page_t::z_index_page_t ( mtr_t *  mtr )

inlineexplicit

Constructor.

Parameters

[in]

mtr

mini-transaction context.

z_index_page_t() [2/5]

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

inline

Constructor.

Parameters

[in]	block	the buffer block.
[in]	mtr	mini-transaction context.
[in]	index	the index to which the LOB belongs.

z_index_page_t() [3/5]

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

inline

Constructor.

Parameters

[in]	mtr	mini-transaction context.
[in]	index	the index to which the LOB belongs.

z_index_page_t() [4/5]

lob::z_index_page_t::z_index_page_t ( buf_block_t *  block )

inlineexplicit

Constructor.

Parameters

[in]

block

the buffer block.

z_index_page_t() [5/5]

lob::z_index_page_t::z_index_page_t ( buf_block_t *  block, dict_index_t *  index  )

inline

Constructor.

Parameters

[in]	block	the buffer block.
[in]	index	the index to which the LOB belongs.

Member Function Documentation

alloc()

buf_block_t * lob::z_index_page_t::alloc	(	z_first_page_t &	first,
		bool	bulk
	)

Allocate an ZLOB index page.

Returns

the buffer block of the allocated zlob index page.

dealloc()

void lob::z_index_page_t::dealloc ( )

inline

frame()

byte * lob::z_index_page_t::frame ( ) const

inline

get_n_index_entries()

ulint lob::z_index_page_t::get_n_index_entries

(

)

const

get_next_page_no()

page_no_t lob::z_index_page_t::get_next_page_no ( ) const

inline

Get the next page number.

get_page_no()

page_no_t lob::z_index_page_t::get_page_no ( ) const

inline

Get the page number.

import()

void lob::z_index_page_t::import

(

trx_id_t

trx_id

)

init()

void lob::z_index_page_t::init	(	flst_base_node_t *	free_lst,
		mtr_t *	mtr
	)

load_x()

buf_block_t * lob::z_index_page_t::load_x ( page_no_t  page_no )

inline

Load the given compressed LOB index page.

Parameters

[in]

page_no

compressed LOB index page number.

Returns

the buffer block of the given page number.

payload()

ulint lob::z_index_page_t::payload ( ) const

inline

set_next_page_no()

void lob::z_index_page_t::set_next_page_no ( page_no_t  page_no )

inline

Set the next page number.

set_page_type()

void lob::z_index_page_t::set_page_type ( mtr_t *  mtr )

inline

Set the correct page type.

set_space_id_no_redo()

void lob::z_index_page_t::set_space_id_no_redo ( space_id_t  space_id )

inline

Write the space identifier to the page header, without generating redo log records.

Parameters

[in]

space_id

the space identifier.

set_version_0()

void lob::z_index_page_t::set_version_0 ( )

inline

Member Data Documentation

LOB_PAGE_DATA

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

static

m_block

buf_block_t* lob::z_index_page_t::m_block

The buffer block of the compressed LOB index page.

m_index

dict_index_t* lob::z_index_page_t::m_index

The index to which the LOB belongs.

m_mtr

mtr_t* lob::z_index_page_t::m_mtr

The mini-transaction context.

OFFSET_VERSION

const ulint lob::z_index_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