Release v0.9.2 2020-11-27 Acknowledgements: ----------------- - Jens Alfke (Mobile Architect at [Couchbase](https://www.couchbase.com/)) for [NimDBX](https://github.com/snej/nimdbx). - Clément Renault (CTO at [MeiliSearch](https://www.meilisearch.com/)) for [mdbx-rs](https://github.com/Kerollmops/mdbx-rs). - Alex Sharov (Go-Lang Teach Lead at [TurboGeth/Ethereum](https://ethereum.org/)) for an extreme test cases and bug reporting. - George Hazan (CTO at [Miranda NG](https://www.miranda-ng.org/)) for bug reporting. - [Positive Technologies](https://www.ptsecurity.com/) for funding and [The Standoff](https://standoff365.com/). Added features: --------------- - Provided package for [buildroot](https://buildroot.org/). - Binding for Nim is [available](https://github.com/snej/nimdbx) now by Jens Alfke. - Added `mdbx_env_delete()` for deletion an environment files in a proper and multiprocess-safe way. - Added `mdbx_txn_commit_ex()` with collecting latency information. - Fast completion pure nested transactions. - Added `LIBMDBX_INLINE_API` macro and inline versions of some API functions. - Added `mdbx_cursor_copy()` function. - Extended tests for checking cursor tracking. - Added `MDBX_SET_LOWERBOUND` operation for `mdbx_cursor_get()`. Fixes: ------ - Fixed missing installation of `mdbx.h++`. - Fixed use of obsolete `__noreturn`. - Fixed use of `yield` instruction on ARM if unsupported. - Added pthread workaround for buggy toolchain/cmake/buildroot. - Fixed use of `pthread_yield()` for non-GLIBC. - Fixed use of `RegGetValueA()` on Windows 2000/XP. - Fixed use of `GetTickCount64()` on Windows 2000/XP. - Fixed opening DB on a network shares (in the exclusive mode). - Fixed copy&paste typos. - Fixed minor false-positive GCC warning. - Added workaround for broken `DEFINE_ENUM_FLAG_OPERATORS` from Windows SDK. - Fixed cursor state after multimap/dupsort repeated deletes (https://github.com/erthink/libmdbx/issues/121). - Added `SIGPIPE` suppression for internal thread during `mdbx_env_copy()`. - Fixed extra-rare `MDBX_KEY_EXIST` error during `mdbx_commit()` (https://github.com/erthink/libmdbx/issues/131). - Fixed spilled pages checking (https://github.com/erthink/libmdbx/issues/126). - Fixed `mdbx_load` for 'plain text' and without `-s name` cases (https://github.com/erthink/libmdbx/issues/136). - Fixed save/restore/commit of cursors for nested transactions. - Fixed cursors state in rare/special cases (move next beyond end-of-data, after deletion and so on). - Added workaround for MSVC 19.28 (Visual Studio 16.8) (but may still hang during compilation). - Fixed paranoidal Clang C++ UB for bitwise operations with flags defined by enums. - Fixed large pages checking (for compatibility and to avoid false-positive errors from `mdbx_chk`). - Added workaround for Wine (https://github.com/miranda-ng/miranda-ng/issues/1209). - Fixed `ERROR_NOT_SUPPORTED` while opening DB by UNC pathnames (https://github.com/miranda-ng/miranda-ng/issues/2627). - Added handling `EXCEPTION_POSSIBLE_DEADLOCK` condition for Windows. TODO for v0.9.3: ---------------- - Engage new terminology (https://github.com/erthink/libmdbx/issues/137). - Rework/speedup the implementation of the dirty page list (lazy compactification, lazy sorting via merge). - Resolve few TODOs (https://github.com/erthink/libmdbx/issues/123, https://github.com/erthink/libmdbx/issues/124, https://github.com/erthink/libmdbx/issues/127, https://github.com/erthink/libmdbx/issues/128, https://github.com/erthink/libmdbx/issues/132, https://github.com/erthink/libmdbx/issues/115). - Finalize C++ API (few typos and trivia bugs are still likely for now). - Packages for ROSA Linux, ALT Linux, Fedora/RHEL, Debian/Ubuntu.
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