#include <dict0dict.h>

Public Types
using	Table_LRU_list_base = UT_LIST_BASE_NODE_T(dict_table_t, table_LRU)

Public Member Functions
template<typename Functor >
void	for_each_table (Functor &functor)
	Iterate each table. More...

Static Public Member Functions
static bool	is_reserved (space_id_t space)
	Check if a tablespace id is a reserved tablespace ID. More...

static bool	is_dd_table_id (table_id_t id)
	Check if a table is hardcoded. More...

Public Attributes
DictSysMutex	mutex
	mutex protecting the data dictionary; protects also the disk-based dictionary system tables; this mutex serializes CREATE TABLE and DROP TABLE, as well as reading the dictionary data for a table from system tables More...

row_id_t	row_id
	the next row id to assign; NOTE that at a checkpoint this must be written to the dict system header and flushed to a file; in recovery this must be derived from the log records More...

hash_table_t *	table_hash
	hash table of the tables, based on name More...

hash_table_t *	table_id_hash
	hash table of the tables, based on id More...

size_t	size
	varying space in bytes occupied by the data dictionary table and index objects More...

dict_table_t *	sys_tables
	Handler to sys_* tables, they're only for upgrade. More...

dict_table_t *	sys_columns
	SYS_COLUMNS table. More...

dict_table_t *	sys_indexes
	SYS_INDEXES table. More...

dict_table_t *	sys_fields
	SYS_FIELDS table. More...

dict_table_t *	sys_virtual
	SYS_VIRTUAL table. More...

dict_table_t *	table_stats
	Permanent handle to mysql.innodb_table_stats. More...

dict_table_t *	index_stats
	Permanent handle to mysql.innodb_index_stats. More...

dict_table_t *	ddl_log
	Permanent handle to mysql.innodb_ddl_log. More...

dict_table_t *	dynamic_metadata
	Permanent handle to mysql.innodb_dynamic_metadata. More...

Table_LRU_list_base	table_LRU
	List of tables that can be evicted from the cache. More...

Table_LRU_list_base	table_non_LRU
	List of tables that can't be evicted from the cache. More...

Static Public Attributes
static std::set< dd::Object_id >	s_dd_table_ids = {}
	Set of ids of DD tables. More...

static constexpr space_id_t	s_log_space_id = 0xFFFFFFF0UL
	The first ID of the redo log pseudo-tablespace. More...

static constexpr space_id_t	s_invalid_space_id = 0xFFFFFFFF
	Use maximum UINT value to indicate invalid space ID. More...

static constexpr space_id_t	s_dict_space_id = 0xFFFFFFFE
	The data dictionary tablespace ID. More...

static constexpr space_id_t	s_temp_space_id = 0xFFFFFFFD
	The innodb_temporary tablespace ID. More...

static constexpr space_id_t	s_undo_space_id_range = 400000
	The number of space IDs dedicated to each undo tablespace. More...

static constexpr space_id_t	s_min_undo_space_id
	The lowest undo tablespace ID. More...

static constexpr space_id_t	s_max_undo_space_id = s_log_space_id - 1
	The highest undo tablespace ID. More...

static constexpr space_id_t	s_max_temp_space_id = s_min_undo_space_id - 1
	Start space_ids for temporary tablespaces. More...

static constexpr space_id_t	s_temp_space_id_range = 400000
	The number of space IDs dedicated to temporary tablespaces. More...

static constexpr space_id_t	s_min_temp_space_id
	Lowest temporary general space id. More...

static constexpr space_id_t	s_reserved_space_id = s_min_temp_space_id
	The first reserved tablespace ID. More...

static constexpr dd::Object_id	s_dd_dict_space_id = 1
	The dd::Tablespace::id of the dictionary tablespace. More...

static constexpr dd::Object_id	s_dd_sys_space_id = 2
	The dd::Tablespace::id of innodb_system. More...

static constexpr dd::Object_id	s_dd_temp_space_id = 3
	The dd::Tablespace::id of innodb_temporary. More...

static const char *	s_dd_space_name = "mysql"
	The name of the data dictionary tablespace. More...

static const char *	s_dd_space_file_name = "mysql.ibd"
	The file name of the data dictionary tablespace. More...

static const char *	s_sys_space_name = "innodb_system"
	The name of the hard-coded system tablespace. More...

static const char *	s_temp_space_name = "innodb_temporary"
	The name of the predefined temporary tablespace. More...

static const char *	s_temp_space_file_name = "ibtmp1"
	The file name of the predefined temporary tablespace. More...

static const char *	s_file_per_table_name = "innodb_file_per_table"
	The hard-coded tablespace name innodb_file_per_table. More...

static const char *	s_default_undo_space_name_1 = "innodb_undo_001"
	These two undo tablespaces cannot be dropped. More...

static const char *	s_default_undo_space_name_2 = "innodb_undo_002"

static constexpr table_id_t	s_dynamic_meta_table_id = 2
	The table ID of mysql.innodb_dynamic_metadata. More...

static constexpr space_index_t	s_dynamic_meta_index_id = 2
	The clustered index ID of mysql.innodb_dynamic_metadata. More...

Member Typedef Documentation

◆ Table_LRU_list_base

using dict_sys_t::Table_LRU_list_base = UT_LIST_BASE_NODE_T(dict_table_t, table_LRU)

Member Function Documentation

◆ for_each_table()

template<typename Functor >

void dict_sys_t::for_each_table ( Functor & functor )

inline

Iterate each table.

Template Parameters

Functor visitor

Parameters

[in,out] functor to be invoked on each table

◆ is_dd_table_id()

static bool dict_sys_t::is_dd_table_id ( table_id_t id )

inlinestatic

Check if a table is hardcoded.

it only includes the dd tables

Parameters

[in] id table ID

Return values

true	if the table is a persistent hard-coded table (dict_table_t::is_temporary() will not hold)
false	if the table is not hard-coded (it can be persistent or temporary)

◆ is_reserved()

static bool dict_sys_t::is_reserved ( space_id_t space )

inlinestatic

Check if a tablespace id is a reserved tablespace ID.

Parameters

[in] space tablespace id to check

Returns: true if a reserved tablespace id, otherwise false

Member Data Documentation

◆ ddl_log

dict_table_t* dict_sys_t::ddl_log

Permanent handle to mysql.innodb_ddl_log.

◆ dynamic_metadata

dict_table_t* dict_sys_t::dynamic_metadata

Permanent handle to mysql.innodb_dynamic_metadata.

◆ index_stats

dict_table_t* dict_sys_t::index_stats

Permanent handle to mysql.innodb_index_stats.

◆ mutex

DictSysMutex dict_sys_t::mutex

mutex protecting the data dictionary; protects also the disk-based dictionary system tables; this mutex serializes CREATE TABLE and DROP TABLE, as well as reading the dictionary data for a table from system tables

◆ row_id

row_id_t dict_sys_t::row_id

the next row id to assign; NOTE that at a checkpoint this must be written to the dict system header and flushed to a file; in recovery this must be derived from the log records

◆ s_dd_dict_space_id

constexpr dd::Object_id dict_sys_t::s_dd_dict_space_id = 1

staticconstexpr

The dd::Tablespace::id of the dictionary tablespace.

◆ s_dd_space_file_name

const char * dict_sys_t::s_dd_space_file_name = "mysql.ibd"

static

The file name of the data dictionary tablespace.

◆ s_dd_space_name

const char * dict_sys_t::s_dd_space_name = "mysql"

static

The name of the data dictionary tablespace.

◆ s_dd_sys_space_id

constexpr dd::Object_id dict_sys_t::s_dd_sys_space_id = 2

staticconstexpr

The dd::Tablespace::id of innodb_system.

◆ s_dd_table_ids

std::set< dd::Object_id > dict_sys_t::s_dd_table_ids = {}

static

Set of ids of DD tables.

The set of SE private IDs of DD tables.

Used to tell whether a table is a DD table. Since the DD tables can be rebuilt with new SE private IDs, this set replaces checks based on ranges of IDs.

◆ s_dd_temp_space_id

constexpr dd::Object_id dict_sys_t::s_dd_temp_space_id = 3

staticconstexpr

The dd::Tablespace::id of innodb_temporary.

◆ s_default_undo_space_name_1

const char * dict_sys_t::s_default_undo_space_name_1 = "innodb_undo_001"

static

These two undo tablespaces cannot be dropped.

◆ s_default_undo_space_name_2

const char * dict_sys_t::s_default_undo_space_name_2 = "innodb_undo_002"

static

◆ s_dict_space_id

constexpr space_id_t dict_sys_t::s_dict_space_id = 0xFFFFFFFE

staticconstexpr

The data dictionary tablespace ID.

◆ s_dynamic_meta_index_id

constexpr space_index_t dict_sys_t::s_dynamic_meta_index_id = 2

staticconstexpr

The clustered index ID of mysql.innodb_dynamic_metadata.

◆ s_dynamic_meta_table_id

constexpr table_id_t dict_sys_t::s_dynamic_meta_table_id = 2

staticconstexpr

The table ID of mysql.innodb_dynamic_metadata.

◆ s_file_per_table_name

const char * dict_sys_t::s_file_per_table_name = "innodb_file_per_table"

static

The hard-coded tablespace name innodb_file_per_table.

◆ s_invalid_space_id

constexpr space_id_t dict_sys_t::s_invalid_space_id = 0xFFFFFFFF

staticconstexpr

Use maximum UINT value to indicate invalid space ID.

◆ s_log_space_id

constexpr space_id_t dict_sys_t::s_log_space_id = 0xFFFFFFF0UL

staticconstexpr

The first ID of the redo log pseudo-tablespace.

◆ s_max_temp_space_id

constexpr space_id_t dict_sys_t::s_max_temp_space_id = s_min_undo_space_id - 1

staticconstexpr

Start space_ids for temporary tablespaces.

◆ s_max_undo_space_id

constexpr space_id_t dict_sys_t::s_max_undo_space_id = s_log_space_id - 1

staticconstexpr

The highest undo tablespace ID.

◆ s_min_temp_space_id

constexpr space_id_t dict_sys_t::s_min_temp_space_id

staticconstexpr

Initial value:

=

s_min_undo_space_id - s_temp_space_id_range

dict_sys_t::s_min_undo_space_id

static constexpr space_id_t s_min_undo_space_id

The lowest undo tablespace ID.

Definition: dict0dict.h:1134

dict_sys_t::s_temp_space_id_range

static constexpr space_id_t s_temp_space_id_range

The number of space IDs dedicated to temporary tablespaces.

Definition: dict0dict.h:1144

Lowest temporary general space id.

◆ s_min_undo_space_id

constexpr space_id_t dict_sys_t::s_min_undo_space_id

staticconstexpr

Initial value:

=

s_log_space_id - (FSP_MAX_UNDO_TABLESPACES * s_undo_space_id_range)

FSP_MAX_UNDO_TABLESPACES

constexpr size_t FSP_MAX_UNDO_TABLESPACES

The maximum number of non-temporary Undo Tablespaces (implicit + explicit) that can exist at the same...

Definition: fsp0types.h:408

dict_sys_t::s_undo_space_id_range

static constexpr space_id_t s_undo_space_id_range

The number of space IDs dedicated to each undo tablespace.

Definition: dict0dict.h:1131

dict_sys_t::s_log_space_id

static constexpr space_id_t s_log_space_id

The first ID of the redo log pseudo-tablespace.

Definition: dict0dict.h:1119

The lowest undo tablespace ID.

◆ s_reserved_space_id

constexpr space_id_t dict_sys_t::s_reserved_space_id = s_min_temp_space_id

staticconstexpr

The first reserved tablespace ID.

◆ s_sys_space_name

const char * dict_sys_t::s_sys_space_name = "innodb_system"

static

The name of the hard-coded system tablespace.

◆ s_temp_space_file_name

const char * dict_sys_t::s_temp_space_file_name = "ibtmp1"

static

The file name of the predefined temporary tablespace.

◆ s_temp_space_id

constexpr space_id_t dict_sys_t::s_temp_space_id = 0xFFFFFFFD

staticconstexpr

The innodb_temporary tablespace ID.

◆ s_temp_space_id_range

constexpr space_id_t dict_sys_t::s_temp_space_id_range = 400000

staticconstexpr

The number of space IDs dedicated to temporary tablespaces.

◆ s_temp_space_name

const char * dict_sys_t::s_temp_space_name = "innodb_temporary"

static

The name of the predefined temporary tablespace.

◆ s_undo_space_id_range

constexpr space_id_t dict_sys_t::s_undo_space_id_range = 400000

staticconstexpr

The number of space IDs dedicated to each undo tablespace.

◆ size

size_t dict_sys_t::size

varying space in bytes occupied by the data dictionary table and index objects

◆ sys_columns

dict_table_t* dict_sys_t::sys_columns

SYS_COLUMNS table.

◆ sys_fields

dict_table_t* dict_sys_t::sys_fields

SYS_FIELDS table.

◆ sys_indexes

dict_table_t* dict_sys_t::sys_indexes

SYS_INDEXES table.

◆ sys_tables

dict_table_t* dict_sys_t::sys_tables

Handler to sys_* tables, they're only for upgrade.

SYS_TABLES table

◆ sys_virtual

dict_table_t* dict_sys_t::sys_virtual

SYS_VIRTUAL table.

◆ table_hash

hash_table_t* dict_sys_t::table_hash

hash table of the tables, based on name

◆ table_id_hash

hash_table_t* dict_sys_t::table_id_hash

hash table of the tables, based on id

◆ table_LRU

Table_LRU_list_base dict_sys_t::table_LRU

List of tables that can be evicted from the cache.

◆ table_non_LRU

Table_LRU_list_base dict_sys_t::table_non_LRU

List of tables that can't be evicted from the cache.

◆ table_stats

dict_table_t* dict_sys_t::table_stats

Permanent handle to mysql.innodb_table_stats.

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

storage/innobase/include/dict0dict.h
storage/innobase/dict/dict0dict.cc

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Member Typedef Documentation

◆ Table_LRU_list_base

Member Function Documentation

◆ for_each_table()

◆ is_dd_table_id()

◆ is_reserved()

Member Data Documentation

◆ ddl_log

◆ dynamic_metadata

◆ index_stats

◆ mutex

◆ row_id

◆ s_dd_dict_space_id

◆ s_dd_space_file_name

◆ s_dd_space_name

◆ s_dd_sys_space_id

◆ s_dd_table_ids

◆ s_dd_temp_space_id

◆ s_default_undo_space_name_1

◆ s_default_undo_space_name_2

◆ s_dict_space_id

◆ s_dynamic_meta_index_id

◆ s_dynamic_meta_table_id

◆ s_file_per_table_name

◆ s_invalid_space_id

◆ s_log_space_id

◆ s_max_temp_space_id

◆ s_max_undo_space_id

◆ s_min_temp_space_id

◆ s_min_undo_space_id

◆ s_reserved_space_id

◆ s_sys_space_name

◆ s_temp_space_file_name

◆ s_temp_space_id

◆ s_temp_space_id_range

◆ s_temp_space_name

◆ s_undo_space_id_range

◆ size

◆ sys_columns

◆ sys_fields

◆ sys_indexes

◆ sys_tables

◆ sys_virtual

◆ table_hash

◆ table_id_hash

◆ table_LRU

◆ table_non_LRU

◆ table_stats