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mdbx++: добавление типа mdbx::comparator и функций mdbx::default_comparator() (backport).

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Леонид Юрьев (Leonid Yuriev) 2023-11-16 13:48:27 +03:00
parent 4bed5d1779
commit 0fd0d527d9
1 changed files with 8 additions and 0 deletions
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8
mdbx.h++
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@ -3079,6 +3079,14 @@ struct LIBMDBX_API_TYPE map_handle {
};
};
using comparator = ::MDBX_cmp_func *;
inline comparator default_comparator(key_mode mode) noexcept {
return ::mdbx_get_keycmp(static_cast<MDBX_db_flags_t>(mode));
}
inline comparator default_comparator(value_mode mode) noexcept {
return ::mdbx_get_keycmp(static_cast<MDBX_db_flags_t>(mode));
}
/// \brief Key-value pairs put mode.
enum put_mode {
insert_unique = MDBX_NOOVERWRITE, ///< Insert only unique keys.