lob::z_data_page_t Struct Reference

The data page holding the zlob. More...

#include <lob0impl.h>

Public Member Functions
ulint	payload ()
	z_data_page_t (mtr_t *mtr, dict_index_t *index)
	z_data_page_t (buf_block_t *block, mtr_t *mtr, dict_index_t *index)
	z_data_page_t (buf_block_t *block)
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...
buf_block_t *	alloc (page_no_t hint, bool bulk)
	Allocate one data page. More...
void	dealloc ()
	Free this data page holding the zlob data. More...
void	set_page_type ()
	Set the correct page type. More...
void	set_version_0 ()
void	set_next_page (page_no_t page_no)
	Set the next page. More...
void	init ()
byte *	begin_data_ptr () const
void	set_data_len (ulint len)
ulint	get_data_len () const
void	set_trx_id (trx_id_t tid)
void	set_trx_id_no_redo (trx_id_t tid)
	Update the header with given transaction identifier, without writing redo log records. More...
page_no_t	get_page_no () const
	Get the page number. More...
fil_addr_t	get_self_addr () const
byte *	frame () const

Public Attributes
buf_block_t *	m_block
mtr_t *	m_mtr
dict_index_t *	m_index

Static Public Attributes
static const ulint	OFFSET_VERSION = FIL_PAGE_DATA
	Version information. More...
static const ulint	OFFSET_DATA_LEN = OFFSET_VERSION + 1
static const ulint	OFFSET_TRX_ID = OFFSET_DATA_LEN + 4
static const ulint	OFFSET_DATA_BEGIN = OFFSET_TRX_ID + 6

Detailed Description

The data page holding the zlob.

Constructor & Destructor Documentation

z_data_page_t() [1/3]

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

inline

z_data_page_t() [2/3]

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

inline

z_data_page_t() [3/3]

lob::z_data_page_t::z_data_page_t ( buf_block_t *  block )

inline

Member Function Documentation

alloc()

buf_block_t * lob::z_data_page_t::alloc	(	page_no_t	hint,
		bool	bulk
	)

Allocate one data page.

Parameters

[in]	hint	hint page number for allocation.
[in]	bulk	true if bulk operation (OPCODE_INSERT_BULK) false otherwise.

Returns

the allocated buffer block.

begin_data_ptr()

byte * lob::z_data_page_t::begin_data_ptr ( ) const

inline

dealloc()

void lob::z_data_page_t::dealloc ( )

inline

Free this data page holding the zlob data.

frame()

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

inline

get_data_len()

ulint lob::z_data_page_t::get_data_len ( ) const

inline

get_page_no()

page_no_t lob::z_data_page_t::get_page_no ( ) const

inline

Get the page number.

get_self_addr()

fil_addr_t lob::z_data_page_t::get_self_addr ( ) const

inline

init()

void lob::z_data_page_t::init ( void  )

inline

payload()

ulint lob::z_data_page_t::payload ( )

inline

set_data_len()

void lob::z_data_page_t::set_data_len ( ulint  len )

inline

set_next_page()

void lob::z_data_page_t::set_next_page ( page_no_t  page_no )

inline

Set the next page.

set_page_type()

void lob::z_data_page_t::set_page_type ( )

inline

Set the correct page type.

set_space_id_no_redo()

void lob::z_data_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_trx_id()

void lob::z_data_page_t::set_trx_id ( trx_id_t  tid )

inline

set_trx_id_no_redo()

void lob::z_data_page_t::set_trx_id_no_redo ( trx_id_t  tid )

inline

Update the header with given transaction identifier, without writing redo log records.

Parameters

[in]

tid

transaction identifier.

set_version_0()

void lob::z_data_page_t::set_version_0 ( )

inline

Member Data Documentation

m_block

buf_block_t* lob::z_data_page_t::m_block

m_index

dict_index_t* lob::z_data_page_t::m_index

m_mtr

mtr_t* lob::z_data_page_t::m_mtr

OFFSET_DATA_BEGIN

const ulint lob::z_data_page_t::OFFSET_DATA_BEGIN = OFFSET_TRX_ID + 6

static

OFFSET_DATA_LEN

const ulint lob::z_data_page_t::OFFSET_DATA_LEN = OFFSET_VERSION + 1

static

OFFSET_TRX_ID

const ulint lob::z_data_page_t::OFFSET_TRX_ID = OFFSET_DATA_LEN + 4

static

OFFSET_VERSION

const ulint lob::z_data_page_t::OFFSET_VERSION = FIL_PAGE_DATA

static

Version information.

One byte.

---

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

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