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mdbx: поддержка не-печатных имен для subDb.

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Леонид Юрьев (Leonid Yuriev)
2022-12-13 17:08:39 +03:00
parent b247b081af
commit 7011743262
2 changed files with 115 additions and 69 deletions
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23
mdbx.h
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@@ -4163,6 +4163,8 @@ typedef int(MDBX_cmp_func)(const MDBX_val *a,
* by current thread. */
LIBMDBX_API int mdbx_dbi_open(MDBX_txn *txn, const char *name,
MDBX_db_flags_t flags, MDBX_dbi *dbi);
LIBMDBX_API int mdbx_dbi_open2(MDBX_txn *txn, const MDBX_val *name,
MDBX_db_flags_t flags, MDBX_dbi *dbi);
/** \deprecated Please
* \ref avoid_custom_comparators "avoid using custom comparators" and use
@@ -4182,6 +4184,9 @@ LIBMDBX_API int mdbx_dbi_open(MDBX_txn *txn, const char *name,
MDBX_DEPRECATED LIBMDBX_API int
mdbx_dbi_open_ex(MDBX_txn *txn, const char *name, MDBX_db_flags_t flags,
MDBX_dbi *dbi, MDBX_cmp_func *keycmp, MDBX_cmp_func *datacmp);
MDBX_DEPRECATED LIBMDBX_API int
mdbx_dbi_open_ex2(MDBX_txn *txn, const MDBX_val *name, MDBX_db_flags_t flags,
MDBX_dbi *dbi, MDBX_cmp_func *keycmp, MDBX_cmp_func *datacmp);
/** \defgroup value2key Value-to-Key functions
* \brief Value-to-Key functions to
@@ -5479,18 +5484,20 @@ typedef enum MDBX_page_type_t MDBX_page_type_t;
#endif
/** \brief Pseudo-name for MainDB */
#define MDBX_PGWALK_MAIN ((const char *)((ptrdiff_t)0))
#define MDBX_PGWALK_MAIN ((void *)((ptrdiff_t)0))
/** \brief Pseudo-name for GarbageCollectorDB */
#define MDBX_PGWALK_GC ((const char *)((ptrdiff_t)-1))
#define MDBX_PGWALK_GC ((void *)((ptrdiff_t)-1))
/** \brief Pseudo-name for MetaPages */
#define MDBX_PGWALK_META ((const char *)((ptrdiff_t)-2))
#define MDBX_PGWALK_META ((void *)((ptrdiff_t)-2))
/** \brief Callback function for traverse the b-tree. \see mdbx_env_pgwalk() */
typedef int MDBX_pgvisitor_func(
const uint64_t pgno, const unsigned number, void *const ctx, const int deep,
const char *const dbi, const size_t page_size, const MDBX_page_type_t type,
const MDBX_error_t err, const size_t nentries, const size_t payload_bytes,
const size_t header_bytes, const size_t unused_bytes) MDBX_CXX17_NOEXCEPT;
typedef int
MDBX_pgvisitor_func(const uint64_t pgno, const unsigned number, void *const ctx,
const int deep, const MDBX_val *dbi_name,
const size_t page_size, const MDBX_page_type_t type,
const MDBX_error_t err, const size_t nentries,
const size_t payload_bytes, const size_t header_bytes,
const size_t unused_bytes) MDBX_CXX17_NOEXCEPT;
/** \brief B-tree traversal function. */
LIBMDBX_API int mdbx_env_pgwalk(MDBX_txn *txn, MDBX_pgvisitor_func *visitor,