Public Member Functions
bool	is_odd () const
	Check if the file ID is an odd number. More...

bool	is_for_lru () const
	Files with odd number as ID are used for LRU batch segments. More...

std::string	to_json () const noexcept
	Serialize the object into JSON format. More...

std::ostream &	print (std::ostream &out) const noexcept
	Print this object into the given stream. More...

Public Attributes
uint32_t	m_id {}
	ID of the file. More...

std::string	m_name {}
	File name. More...

pfs_os_file_t	m_pfs {}
	File handle. More...

Static Public Attributes
static uint32_t	s_n_pages {}
	Number of batched pages per doublwrite file. More...

Member Function Documentation

◆ is_for_lru()

bool dblwr::File::is_for_lru ( ) const

inline

Files with odd number as ID are used for LRU batch segments.

Also, only these odd files are used for LRU single segments.

Returns: true if the file is to be used for LRU batch segments.

◆ is_odd()

bool dblwr::File::is_odd ( ) const

inline

Check if the file ID is an odd number.

Returns: true if the file ID is odd.

◆ print()

std::ostream & dblwr::File::print ( std::ostream & out ) const

inlinenoexcept

Print this object into the given stream.

Parameters

[in] out output stream into which the current object is printed.

Returns: the output stream.

◆ to_json()

std::string dblwr::File::to_json ( ) const

inlinenoexcept

Serialize the object into JSON format.

Returns: the object in JSON format.

Member Data Documentation

◆ m_id

uint32_t dblwr::File::m_id {}

ID of the file.

◆ m_name

std::string dblwr::File::m_name {}

File name.

◆ m_pfs

pfs_os_file_t dblwr::File::m_pfs {}

File handle.

◆ s_n_pages

uint32_t dblwr::File::s_n_pages {}

static

Number of batched pages per doublwrite file.

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

storage/innobase/buf/buf0dblwr.cc

Public Member Functions

Public Attributes

Static Public Attributes