libmdbx v0.9.2 Release Notes
Release Date: 2020-11-27 // over 3 years ago-
Acknowledgements:
- Jens Alfke (Mobile Architect at Couchbase) for NimDBX.
- ClΓ©ment Renault (CTO at MeiliSearch) for mdbx-rs.
- β Alex Sharov (Go-Lang Teach Lead at TurboGeth/Ethereum) for an extreme test cases and bug reporting.
- George Hazan (CTO at Miranda NG) for bug reporting.
- Positive Technologies for funding and The Standoff.
β Added features:
- π Provided package for buildroot.
- Binding for Nim is available 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. - β Extended tests for checking cursor tracking.
- Added
MDBX_SET_LOWERBOUND
operation formdbx_cursor_get()
.
π Fixes:
- π Fixed missing installation of
mdbx.h++
. - π Fixed use of obsolete
__noreturn
. - π Fixed use of
yield
instruction on ARM if unsupported. - β Added pthread workaround for buggy toolchain/cmake/buildroot.
- π Fixed use of
pthread_yield()
for non-GLIBC. - π Fixed use of
RegGetValueA()
on Windows 2000/XP. - π Fixed use of
GetTickCount64()
on Windows 2000/XP. - π Fixed opening DB on a network shares (in the exclusive mode).
- π Fixed copy&paste typos.
- π Fixed minor false-positive GCC warning.
- Added workaround for broken
DEFINE_ENUM_FLAG_OPERATORS
from Windows SDK. - π Fixed cursor state after multimap/dupsort repeated deletes (#121).
- Added
SIGPIPE
suppression for internal thread duringmdbx_env_copy()
. - Fixed extra-rare
MDBX_KEY_EXIST
error duringmdbx_commit()
(#131). - π Fixed spilled pages checking (#126).
- π Fixed
mdbx_load
for 'plain text' and without-s name
cases (#136). - π Fixed save/restore/commit of cursors for nested transactions.
- π Fixed cursors state in rare/special cases (move next beyond end-of-data, after deletion and so on).
- β Added workaround for MSVC 19.28 (Visual Studio 16.8) (but may still hang during compilation).
- π Fixed paranoidal Clang C++ UB for bitwise operations with flags defined by enums.
- π Fixed large pages checking (for compatibility and to avoid false-positive errors from
mdbx_chk
). - β Added workaround for Wine (miranda-ng/miranda-ng#1209).
- Fixed
ERROR_NOT_SUPPORTED
while opening DB by UNC pathnames (miranda-ng/miranda-ng#2627). - Added handling
EXCEPTION_POSSIBLE_DEADLOCK
condition for Windows.
TODO for v0.9.3
- Engage new terminology (#137).
- π Rework/speedup the implementation of the dirty page list (lazy compactification, lazy sorting via merge).
- Resolve few TODOs (#123, #124, #127, #128, #132, #115).
- βοΈ Finalize C++ API (few typos and trivia bugs are still likely for now).
- π§ Packages for ROSA Linux, ALT Linux, Fedora/RHEL, Debian/Ubuntu.
SHA256 checksums
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