Tablespace_files Class Reference

Tablespace files discovered during startup. More...

Public Types
using	Names = std::vector< std::string, ut::allocator< std::string > >
using	Paths = std::unordered_map< space_id_t, Names >
using	Undo_num2id = std::unordered_map< space_id_t, space_id_t >

Public Member Functions
	Tablespace_files (const std::string &dir)
	Default constructor. More...
size_t	add (space_id_t space_id, const std::string &name)
	Add a space ID to filename mapping. More...
Names *	find_by_id (space_id_t space_id)
	Get the file names that map to a space ID. More...
Names *	find_by_num (space_id_t space_num, space_id_t &space_id)
	Get the file name that maps to an undo space number. More...
bool	erase_path (space_id_t space_id)
	Remove the entry for the space ID. More...
void	clear ()
	Clear all the tablespace data. More...
const Fil_path &	root () const
const std::string &	path () const

Private Attributes
Paths	m_ibd_paths
	Mapping from tablespace ID to data filenames. More...
Paths	m_undo_paths
	Mapping from tablespace ID to Undo files. More...
Undo_num2id	m_undo_nums
	Mapping from undo space number to space ID. More...
Fil_path	m_dir
	Top level directory where the above files were found. More...

Detailed Description

Tablespace files discovered during startup.

Member Typedef Documentation

Names

using Tablespace_files::Names = std::vector<std::string, ut::allocator<std::string> >

Paths

using Tablespace_files::Paths = std::unordered_map<space_id_t, Names>

Undo_num2id

using Tablespace_files::Undo_num2id = std::unordered_map<space_id_t, space_id_t>

Constructor & Destructor Documentation

Tablespace_files()

Tablespace_files::Tablespace_files ( const std::string &  dir )

explicit

Default constructor.

Constructor.

Parameters

[in]

dir

Directory that the files are under

Member Function Documentation

add()

size_t Tablespace_files::add	(	space_id_t	space_id,
		const std::string &	name
	)

Add a space ID to filename mapping.

Parameters

[in]	space_id	Tablespace ID
[in]	name	File name.

Returns

number of files that map to the space ID

clear()

void Tablespace_files::clear ( )

inline

Clear all the tablespace data.

erase_path()

bool Tablespace_files::erase_path ( space_id_t  space_id )

inline

Remove the entry for the space ID.

Parameters

[in]

space_id

Tablespace ID mapping to remove

Returns

true if erase successful

find_by_id()

Names * Tablespace_files::find_by_id ( space_id_t  space_id )

inline

Get the file names that map to a space ID.

Parameters

[in]

space_id

Tablespace ID

Returns

the filenames that map to space id

find_by_num()

Names * Tablespace_files::find_by_num ( space_id_t  space_num, space_id_t &  space_id  )

inline

Get the file name that maps to an undo space number.

Parameters

[in]	space_num	undo tablespace number
[out]	space_id	undo tablespace ID

Returns

the file name that maps to the space number

path()

const std::string & Tablespace_files::path ( ) const

inline

Returns

the directory path specified by the user.

root()

const Fil_path & Tablespace_files::root ( ) const

inline

Returns

m_dir

Member Data Documentation

m_dir

Fil_path Tablespace_files::m_dir

private

Top level directory where the above files were found.

m_ibd_paths

Paths Tablespace_files::m_ibd_paths

private

Mapping from tablespace ID to data filenames.

m_undo_nums

Undo_num2id Tablespace_files::m_undo_nums

private

Mapping from undo space number to space ID.

m_undo_paths

Paths Tablespace_files::m_undo_paths

private

Mapping from tablespace ID to Undo files.

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

• storage/innobase/fil/fil0fil.cc