page_zip_des_t Struct Reference

Compressed page descriptor. More...

#include <page0types.h>

Public Attributes
page_zip_t *	data
	Compressed page data. More...
uint16_t	m_start
	Start offset of modification log. More...
bool	m_external
	Allocated externally, not from the buffer pool. More...
uint16_t	m_end
	End offset of modification log. More...
uint16_t	n_blobs
	Number of externally stored columns on the page; the maximum is 744 on a 16 KiB page. More...
bool	m_nonempty
	true if the modification log is not empty. More...
uint8_t	ssize
	0 or compressed page shift size; the size in bytes is: (UNIV_ZIP_SIZE_MIN * >> 1) << ssize. More...

Detailed Description

Compressed page descriptor.

Member Data Documentation

data

page_zip_t* page_zip_des_t::data

Compressed page data.

m_end

uint16_t page_zip_des_t::m_end

End offset of modification log.

m_external

bool page_zip_des_t::m_external

Allocated externally, not from the buffer pool.

m_nonempty

bool page_zip_des_t::m_nonempty

true if the modification log is not empty.

m_start

uint16_t page_zip_des_t::m_start

Start offset of modification log.

n_blobs

uint16_t page_zip_des_t::n_blobs

Number of externally stored columns on the page; the maximum is 744 on a 16 KiB page.

ssize

uint8_t page_zip_des_t::ssize

0 or compressed page shift size; the size in bytes is: (UNIV_ZIP_SIZE_MIN * >> 1) << ssize.

---

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

• storage/innobase/include/page0types.h