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mdbx: использование const MDBX_txn где это возможно в API (backport).

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Леонид Юрьев (Leonid Yuriev)
2023-10-14 09:04:06 +03:00
parent ed8c7ead4e
commit 7eb2f4130e
3 changed files with 42 additions and 39 deletions
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13
mdbx.h++
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@@ -3839,7 +3839,7 @@ public:
txn_managed start_nested();
/// \brief Opens cursor for specified key-value map handle.
inline cursor_managed open_cursor(map_handle map);
inline cursor_managed open_cursor(map_handle map) const;
/// \brief Open existing key-value map.
inline map_handle open_map(
@@ -4217,11 +4217,11 @@ public:
/// \brief Renew/bind a cursor with a new transaction and previously used
/// key-value map handle.
inline void renew(::mdbx::txn &txn);
inline void renew(const ::mdbx::txn &txn);
/// \brief Bind/renew a cursor with a new transaction and specified key-value
/// map handle.
inline void bind(::mdbx::txn &txn, ::mdbx::map_handle map_handle);
inline void bind(const ::mdbx::txn &txn, ::mdbx::map_handle map_handle);
/// \brief Returns the cursor's transaction.
inline ::mdbx::txn txn() const;
@@ -5457,7 +5457,7 @@ inline txn::info txn::get_info(bool scan_reader_lock_table) const {
return r;
}
inline cursor_managed txn::open_cursor(map_handle map) {
inline cursor_managed txn::open_cursor(map_handle map) const {
MDBX_cursor *ptr;
error::success_or_throw(::mdbx_cursor_open(handle_, map.dbi, &ptr));
return cursor_managed(ptr);
@@ -6102,11 +6102,12 @@ inline ptrdiff_t cursor::estimate(move_operation operation) const {
return estimate(operation, &unused_key, nullptr);
}
inline void cursor::renew(::mdbx::txn &txn) {
inline void cursor::renew(const ::mdbx::txn &txn) {
error::success_or_throw(::mdbx_cursor_renew(txn, handle_));
}
inline void cursor::bind(::mdbx::txn &txn, ::mdbx::map_handle map_handle) {
inline void cursor::bind(const ::mdbx::txn &txn,
::mdbx::map_handle map_handle) {
error::success_or_throw(::mdbx_cursor_bind(txn, handle_, map_handle.dbi));
}