mdbx::env::limits Struct Reference

#include <mdbx.h++>

Public Member Functions
	limits ()=delete

Static Public Member Functions
static size_t	pagesize_min () noexcept
	Returns the minimal database page size in bytes. More...
static size_t	pagesize_max () noexcept
	Returns the maximal database page size in bytes. More...
static size_t	dbsize_min (intptr_t pagesize)
	Returns the minimal database size in bytes for specified page size. More...
static size_t	dbsize_max (intptr_t pagesize)
	Returns the maximal database size in bytes for specified page size. More...
static size_t	key_min (MDBX_db_flags_t flags) noexcept
	Returns the minimal key size in bytes for specified database flags. More...
static size_t	key_min (key_mode mode) noexcept
	Returns the minimal key size in bytes for specified keys mode. More...
static size_t	key_max (intptr_t pagesize, MDBX_db_flags_t flags)
	Returns the maximal key size in bytes for specified page size and database flags. More...
static size_t	key_max (intptr_t pagesize, key_mode mode)
	Returns the maximal key size in bytes for specified page size and keys mode. More...
static size_t	key_max (const env &, MDBX_db_flags_t flags)
	Returns the maximal key size in bytes for given environment and database flags. More...
static size_t	key_max (const env &, key_mode mode)
	Returns the maximal key size in bytes for given environment and keys mode. More...
static size_t	value_min (MDBX_db_flags_t flags) noexcept
	Returns the minimal values size in bytes for specified database flags. More...
static size_t	value_min (value_mode) noexcept
	Returns the minimal values size in bytes for specified values mode. More...
static size_t	value_max (intptr_t pagesize, MDBX_db_flags_t flags)
	Returns the maximal value size in bytes for specified page size and database flags. More...
static size_t	value_max (intptr_t pagesize, value_mode)
	Returns the maximal value size in bytes for specified page size and values mode. More...
static size_t	value_max (const env &, MDBX_db_flags_t flags)
	Returns the maximal value size in bytes for given environment and database flags. More...
static size_t	value_max (const env &, value_mode)
	Returns the maximal value size in bytes for specified page size and values mode. More...
static size_t	transaction_size_max (intptr_t pagesize)
	Returns the maximal write transaction size (i.e. limit for summary volume of dirty pages) in bytes for specified page size. More...

Constructor & Destructor Documentation

limits()

mdbx::env::limits::limits ( )

delete

Member Function Documentation

dbsize_max()

size_t mdbx::env::limits::dbsize_max ( intptr_t  pagesize )

inlinestatic

Returns the maximal database size in bytes for specified page size.

dbsize_min()

size_t mdbx::env::limits::dbsize_min ( intptr_t  pagesize )

inlinestatic

Returns the minimal database size in bytes for specified page size.

key_max() [1/4]

size_t mdbx::env::limits::key_max ( const env &  env, key_mode  mode  )

inlinestatic

Returns the maximal key size in bytes for given environment and keys mode.

key_max() [2/4]

size_t mdbx::env::limits::key_max ( const env &  env, MDBX_db_flags_t  flags  )

inlinestatic

Returns the maximal key size in bytes for given environment and database flags.

key_max() [3/4]

size_t mdbx::env::limits::key_max ( intptr_t  pagesize, key_mode  mode  )

inlinestatic

Returns the maximal key size in bytes for specified page size and keys mode.

key_max() [4/4]

size_t mdbx::env::limits::key_max ( intptr_t  pagesize, MDBX_db_flags_t  flags  )

inlinestatic

Returns the maximal key size in bytes for specified page size and database flags.

key_min() [1/2]

size_t mdbx::env::limits::key_min ( key_mode  mode )

inlinestaticnoexcept

Returns the minimal key size in bytes for specified keys mode.

key_min() [2/2]

size_t mdbx::env::limits::key_min ( MDBX_db_flags_t  flags )

inlinestaticnoexcept

Returns the minimal key size in bytes for specified database flags.

pagesize_max()

size_t mdbx::env::limits::pagesize_max ( )

inlinestaticnoexcept

Returns the maximal database page size in bytes.

pagesize_min()

size_t mdbx::env::limits::pagesize_min ( )

inlinestaticnoexcept

Returns the minimal database page size in bytes.

transaction_size_max()

size_t mdbx::env::limits::transaction_size_max ( intptr_t  pagesize )

inlinestatic

Returns the maximal write transaction size (i.e. limit for summary volume of dirty pages) in bytes for specified page size.

value_max() [1/4]

size_t mdbx::env::limits::value_max ( const env &  env, MDBX_db_flags_t  flags  )

inlinestatic

Returns the maximal value size in bytes for given environment and database flags.

value_max() [2/4]

size_t mdbx::env::limits::value_max ( const env &  env, value_mode  mode  )

inlinestatic

Returns the maximal value size in bytes for specified page size and values mode.

value_max() [3/4]

size_t mdbx::env::limits::value_max ( intptr_t  pagesize, MDBX_db_flags_t  flags  )

inlinestatic

Returns the maximal value size in bytes for specified page size and database flags.

value_max() [4/4]

size_t mdbx::env::limits::value_max ( intptr_t  pagesize, value_mode  mode  )

inlinestatic

Returns the maximal value size in bytes for specified page size and values mode.

value_min() [1/2]

size_t mdbx::env::limits::value_min ( MDBX_db_flags_t  flags )

inlinestaticnoexcept

Returns the minimal values size in bytes for specified database flags.

value_min() [2/2]

size_t mdbx::env::limits::value_min ( value_mode  mode )

inlinestaticnoexcept

Returns the minimal values size in bytes for specified values mode.

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

• mdbx.h++