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mdbx++: добавление env::limits::pairsize4page_max() и env::limits::valsize4page_max().

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Леонид Юрьев (Leonid Yuriev) 2022-10-10 16:37:59 +03:00
parent c3dd60fcb6
commit 25ab65b470
1 changed files with 80 additions and 0 deletions
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80
mdbx.h++
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@ -3177,6 +3177,7 @@ public:
/// \brief Returns the minimal values size in bytes for specified values
/// mode.
static inline size_t value_min(value_mode) noexcept;
/// \brief Returns the maximal value size in bytes for specified page size
/// and database flags.
static inline size_t value_max(intptr_t pagesize, MDBX_db_flags_t flags);
@ -3189,6 +3190,35 @@ public:
/// \brief Returns the maximal value size in bytes for specified page size
/// and values mode.
static inline size_t value_max(const env &, value_mode);
/// \brief Returns maximal size of key-value pair to fit in a single page
/// for specified size and database flags.
static inline size_t pairsize4page_max(intptr_t pagesize,
MDBX_db_flags_t flags);
/// \brief Returns maximal size of key-value pair to fit in a single page
/// for specified page size and values mode.
static inline size_t pairsize4page_max(intptr_t pagesize, value_mode);
/// \brief Returns maximal size of key-value pair to fit in a single page
/// for given environment and database flags.
static inline size_t pairsize4page_max(const env &, MDBX_db_flags_t flags);
/// \brief Returns maximal size of key-value pair to fit in a single page
/// for specified page size and values mode.
static inline size_t pairsize4page_max(const env &, value_mode);
/// \brief Returns maximal data size in bytes to fit in a leaf-page or
/// single overflow/large-page for specified size and database flags.
static inline size_t valsize4page_max(intptr_t pagesize,
MDBX_db_flags_t flags);
/// \brief Returns maximal data size in bytes to fit in a leaf-page or
/// single overflow/large-page for specified page size and values mode.
static inline size_t valsize4page_max(intptr_t pagesize, value_mode);
/// \brief Returns maximal data size in bytes to fit in a leaf-page or
/// single overflow/large-page for given environment and database flags.
static inline size_t valsize4page_max(const env &, MDBX_db_flags_t flags);
/// \brief Returns maximal data size in bytes to fit in a leaf-page or
/// single overflow/large-page for specified page size and values mode.
static inline size_t valsize4page_max(const env &, value_mode);
/// \brief Returns the maximal write transaction size (i.e. limit for
/// summary volume of dirty pages) in bytes for specified page size.
static inline size_t transaction_size_max(intptr_t pagesize);
@ -4882,6 +4912,56 @@ inline size_t env::limits::value_max(const env &env, value_mode mode) {
return value_max(env, MDBX_db_flags_t(mode));
}
inline size_t env::limits::pairsize4page_max(intptr_t pagesize,
MDBX_db_flags_t flags) {
const intptr_t result = mdbx_limits_pairsize4page_max(pagesize, flags);
if (result < 0)
MDBX_CXX20_UNLIKELY error::throw_exception(MDBX_EINVAL);
return static_cast<size_t>(result);
}
inline size_t env::limits::pairsize4page_max(intptr_t pagesize,
value_mode mode) {
return pairsize4page_max(pagesize, MDBX_db_flags_t(mode));
}
inline size_t env::limits::pairsize4page_max(const env &env,
MDBX_db_flags_t flags) {
const intptr_t result = mdbx_env_get_pairsize4page_max(env, flags);
if (result < 0)
MDBX_CXX20_UNLIKELY error::throw_exception(MDBX_EINVAL);
return static_cast<size_t>(result);
}
inline size_t env::limits::pairsize4page_max(const env &env, value_mode mode) {
return pairsize4page_max(env, MDBX_db_flags_t(mode));
}
inline size_t env::limits::valsize4page_max(intptr_t pagesize,
MDBX_db_flags_t flags) {
const intptr_t result = mdbx_limits_valsize4page_max(pagesize, flags);
if (result < 0)
MDBX_CXX20_UNLIKELY error::throw_exception(MDBX_EINVAL);
return static_cast<size_t>(result);
}
inline size_t env::limits::valsize4page_max(intptr_t pagesize,
value_mode mode) {
return valsize4page_max(pagesize, MDBX_db_flags_t(mode));
}
inline size_t env::limits::valsize4page_max(const env &env,
MDBX_db_flags_t flags) {
const intptr_t result = mdbx_env_get_valsize4page_max(env, flags);
if (result < 0)
MDBX_CXX20_UNLIKELY error::throw_exception(MDBX_EINVAL);
return static_cast<size_t>(result);
}
inline size_t env::limits::valsize4page_max(const env &env, value_mode mode) {
return valsize4page_max(env, MDBX_db_flags_t(mode));
}
inline size_t env::limits::transaction_size_max(intptr_t pagesize) {
const intptr_t result = mdbx_limits_txnsize_max(pagesize);
if (result < 0)