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.
static size_t	pagesize_max () noexcept
	Returns the maximal database page size in bytes.
static size_t	dbsize_min (intptr_t pagesize)
	Returns the minimal database size in bytes for specified page size.
static size_t	dbsize_max (intptr_t pagesize)
	Returns the maximal database size in bytes for specified page size.
static size_t	key_min (MDBX_db_flags_t flags) noexcept
	Returns the minimal key size in bytes for specified table flags.
static size_t	key_min (key_mode mode) noexcept
	Returns the minimal key size in bytes for specified keys mode.
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 table flags.
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.
static size_t	key_max (const env &, MDBX_db_flags_t flags)
	Returns the maximal key size in bytes for given environment and table flags.
static size_t	key_max (const env &, key_mode mode)
	Returns the maximal key size in bytes for given environment and keys mode.
static size_t	value_min (MDBX_db_flags_t flags) noexcept
	Returns the minimal values size in bytes for specified table flags.
static size_t	value_min (value_mode) noexcept
	Returns the minimal values size in bytes for specified values mode.
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 table flags.
static size_t	value_max (intptr_t pagesize, value_mode)
	Returns the maximal value size in bytes for specified page size and values mode.
static size_t	value_max (const env &, MDBX_db_flags_t flags)
	Returns the maximal value size in bytes for given environment and table flags.
static size_t	value_max (const env &, value_mode)
	Returns the maximal value size in bytes for specified page size and values mode.
static size_t	pairsize4page_max (intptr_t pagesize, MDBX_db_flags_t flags)
	Returns maximal size of key-value pair to fit in a single page for specified size and table flags.
static size_t	pairsize4page_max (intptr_t pagesize, value_mode)
	Returns maximal size of key-value pair to fit in a single page for specified page size and values mode.
static size_t	pairsize4page_max (const env &, MDBX_db_flags_t flags)
	Returns maximal size of key-value pair to fit in a single page for given environment and table flags.
static size_t	pairsize4page_max (const env &, value_mode)
	Returns maximal size of key-value pair to fit in a single page for specified page size and values mode.
static size_t	valsize4page_max (intptr_t pagesize, MDBX_db_flags_t flags)
	Returns maximal data size in bytes to fit in a leaf-page or single large/overflow-page for specified size and table flags.
static size_t	valsize4page_max (intptr_t pagesize, value_mode)
	Returns maximal data size in bytes to fit in a leaf-page or single large/overflow-page for specified page size and values mode.
static size_t	valsize4page_max (const env &, MDBX_db_flags_t flags)
	Returns maximal data size in bytes to fit in a leaf-page or single large/overflow-page for given environment and table flags.
static size_t	valsize4page_max (const env &, value_mode)
	Returns maximal data size in bytes to fit in a leaf-page or single large/overflow-page for specified page size and values mode.
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.
static size_t	max_map_handles (void)
	Returns the maximum opened map handles, aka DBI-handles.

Constructor & Destructor Documentation

limits()

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

delete

---

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

• mdbx.h++