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mdbx: minor refine ChangeLog.md.
This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
parent
08081109b7
commit
c9a214f038
261
ChangeLog.md
261
ChangeLog.md
@ -54,6 +54,9 @@ Minors:
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- Added `CMAKE_HOST_ARCH` and `CMAKE_HOST_CAN_RUN_EXECUTABLES_BUILT_FOR_TARGET`.
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-------------------------------------------------------------------------------
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## v0.11.6 at 2022-03-24
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The stable release with the complete workaround for an incoherence flaw of Linux unified page/buffer cache.
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@ -232,6 +235,9 @@ Acknowledgements:
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- [Alex Sharov](https://github.com/AskAlexSharov) for reporting and testing.
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-------------------------------------------------------------------------------
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## v0.10.5 at 2021-10-13 (obsolete, please use v0.11.1)
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Unfortunately, the `v0.10.5` accidentally comes not full-compatible with previous releases:
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@ -463,6 +469,9 @@ Fixes:
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- Fixed building by MinGW for Windows (https://web.archive.org/web/20220414235959/https://github.com/erthink/libmdbx/issues/155).
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-------------------------------------------------------------------------------
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## v0.9.3 at 2021-02-02
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Acknowledgements:
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@ -576,7 +585,7 @@ Fixes:
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Added features:
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- Preliminary C++ API with support for C++17 polymorphic allocators.
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- [Online C++ API reference](https://erased_by_github_and_to_be_restored.todo/libmdbx/) by Doxygen.
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- [Online C++ API reference](https://libmdbx.website.yandexcloud.net/) by Doxygen.
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- Quick reference for Insert/Update/Delete operations.
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- Explicit `MDBX_SYNC_DURABLE` to sync modes for API clarity.
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- Explicit `MDBX_ALLDUPS` and `MDBX_UPSERT` for API clarity.
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@ -621,7 +630,7 @@ Fixes:
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Added features:
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- [Online C API reference](https://erased_by_github_and_to_be_restored.todo/libmdbx/) by Doxygen.
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- [Online C API reference](https://libmdbx.website.yandexcloud.net/) by Doxygen.
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- Separated enums for environment, sub-databases, transactions, copying and data-update flags.
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Deprecated functions and flags:
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@ -630,132 +639,146 @@ Deprecated functions and flags:
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Please use the value-to-key functions to provide keys that are compatible with the built-in libmdbx comparators.
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## v0.8.2 2020-07-06
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- Added support multi-opening the same DB in a process with SysV locking (BSD).
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- Fixed warnings & minors for LCC compiler (E2K).
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- Enabled to simultaneously open the same database from processes with and without the `MDBX_WRITEMAP` option.
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- Added key-to-value, `mdbx_get_keycmp()` and `mdbx_get_datacmp()` functions (helpful to avoid using custom comparators).
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- Added `ENABLE_UBSAN` CMake option to enabling the UndefinedBehaviorSanitizer from GCC/CLANG.
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- Workaround for [CLANG bug](https://bugs.llvm.org/show_bug.cgi?id=43275).
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- Returning `MDBX_CORRUPTED` in case all meta-pages are weak and no other error.
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- Refined mode bits while auto-creating LCK-file.
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- Avoids unnecessary database file re-mapping in case geometry changed by another process(es).
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From the user's point of view, the `MDBX_UNABLE_EXTEND_MAPSIZE` error will now be returned less frequently and only when using the DB in the current process really requires it to be reopened.
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- Remapping on-the-fly and of the database file was implemented.
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Now remapping with a change of address is performed automatically if there are no dependent readers in the current process.
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-------------------------------------------------------------------------------
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## v0.8.1 2020-06-12
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- Minor change versioning. The last number in the version now means the number of commits since last release/tag.
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- Provide ChangeLog file.
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- Fix for using libmdbx as a C-only sub-project with CMake.
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- Fix `mdbx_env_set_geometry()` for case it is called from an opened environment outside of a write transaction.
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- Add support for huge transactions and `MDBX_HUGE_TRANSACTIONS` build-option (default `OFF`).
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- Refine LTO (link time optimization) for clang.
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- Force enabling exceptions handling for MSVC (`/EHsc` option).
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## 2020-07-06
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- Added support multi-opening the same DB in a process with SysV locking (BSD).
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- Fixed warnings & minors for LCC compiler (E2K).
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- Enabled to simultaneously open the same database from processes with and without the `MDBX_WRITEMAP` option.
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- Added key-to-value, `mdbx_get_keycmp()` and `mdbx_get_datacmp()` functions (helpful to avoid using custom comparators).
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- Added `ENABLE_UBSAN` CMake option to enabling the UndefinedBehaviorSanitizer from GCC/CLANG.
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- Workaround for [CLANG bug](https://bugs.llvm.org/show_bug.cgi?id=43275).
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- Returning `MDBX_CORRUPTED` in case all meta-pages are weak and no other error.
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- Refined mode bits while auto-creating LCK-file.
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- Avoids unnecessary database file re-mapping in case geometry changed by another process(es).
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From the user's point of view, the `MDBX_UNABLE_EXTEND_MAPSIZE` error will now be returned less frequently and only when using the DB in the current process really requires it to be reopened.
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- Remapping on-the-fly and of the database file was implemented.
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Now remapping with a change of address is performed automatically if there are no dependent readers in the current process.
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## v0.8.0 2020-06-05
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- Support for Android/Bionic.
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- Support for iOS.
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- Auto-handling `MDBX_NOSUBDIR` while opening for any existing database.
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- Engage github-actions to make release-assets.
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- Clarify API description.
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- Extended keygen-cases in stochastic test.
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- Fix fetching of first/lower key from LEAF2-page during page merge.
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- Fix missing comma in array of error messages.
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- Fix div-by-zero while copy-with-compaction for non-resizable environments.
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- Fixes & enhancements for custom-comparators.
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- Fix `MDBX_WITHOUT_MSVC_CRT` option and missing `ntdll.def`.
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- Fix `mdbx_env_close()` to work correctly called concurrently from several threads.
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- Fix null-deref in an ASAN-enabled builds while opening the environment with error and/or read-only.
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- Fix AddressSanitizer errors after closing the environment.
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- Fix/workaround to avoid GCC 10.x pedantic warnings.
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- Fix using `ENODATA` for FreeBSD.
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- Avoid invalidation of DBI-handle(s) when it just closes.
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- Avoid using `pwritev()` for single-writes (up to 10% speedup for some kernels & scenarios).
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- Avoiding `MDBX_UTTERLY_NOSYNC` as result of flags merge.
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- Add `mdbx_dbi_dupsort_depthmask()` function.
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- Add `MDBX_CP_FORCE_RESIZEABLE` option.
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- Add deprecated `MDBX_MAP_RESIZED` for compatibility.
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- Add `MDBX_BUILD_TOOLS` option (default `ON`).
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- Refine `mdbx_dbi_open_ex()` to safe concurrently opening the same handle from different threads.
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- Truncate clk-file during environment closing. So a zero-length lck-file indicates that the environment was closed properly.
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- Refine `mdbx_update_gc()` for huge transactions with small sizes of database page.
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- Extends dump/load to support all MDBX attributes.
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- Avoid upsertion the same key-value data, fix related assertions.
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- Rework min/max length checking for keys & values.
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- Checking the order of keys on all pages during checking.
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- Support `CFLAGS_EXTRA` make-option for convenience.
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- Preserve the last txnid while copying with compactification.
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- Auto-reset running transaction in mdbx_txn_renew().
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- Automatically abort errored transaction in mdbx_txn_commit().
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- Auto-choose page size for large databases.
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- Rearrange source files, rework build, options-support by CMake.
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- Crutch for WSL1 (Windows subsystem for Linux).
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- Refine install/uninstall targets.
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- Support for Valgrind 3.14 and later.
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- Add check-analyzer check-ubsan check-asan check-leak targets to Makefile.
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- Minor fix/workaround to avoid UBSAN traps for `memcpy(ptr, NULL, 0)`.
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- Avoid some GCC-analyzer false-positive warnings.
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## 2020-06-12
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- Minor change versioning. The last number in the version now means the number of commits since last release/tag.
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- Provide ChangeLog file.
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- Fix for using libmdbx as a C-only sub-project with CMake.
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- Fix `mdbx_env_set_geometry()` for case it is called from an opened environment outside of a write transaction.
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- Add support for huge transactions and `MDBX_HUGE_TRANSACTIONS` build-option (default `OFF`).
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- Refine LTO (link time optimization) for clang.
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- Force enabling exceptions handling for MSVC (`/EHsc` option).
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## v0.7.0 2020-03-18
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- Workarounds for Wine (Windows compatibility layer for Linux).
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- `MDBX_MAP_RESIZED` renamed to `MDBX_UNABLE_EXTEND_MAPSIZE`.
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- Clarify API description, fix typos.
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- Speedup runtime checks in debug/checked builds.
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- Added checking for read/write transactions overlapping for the same thread, added `MDBX_TXN_OVERLAPPING` error and `MDBX_DBG_LEGACY_OVERLAP` option.
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- Added `mdbx_key_from_jsonInteger()`, `mdbx_key_from_double()`, `mdbx_key_from_float()`, `mdbx_key_from_int64()` and `mdbx_key_from_int32()` functions. See `mdbx.h` for description.
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- Fix compatibility (use zero for invalid DBI).
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- Refine/clarify error messages.
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- Avoids extra error messages "bad txn" from mdbx_chk when DB is corrupted.
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## 2020-06-05
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- Support for Android/Bionic.
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- Support for iOS.
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- Auto-handling `MDBX_NOSUBDIR` while opening for any existing database.
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- Engage github-actions to make release-assets.
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- Clarify API description.
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- Extended keygen-cases in stochastic test.
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- Fix fetching of first/lower key from LEAF2-page during page merge.
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- Fix missing comma in array of error messages.
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- Fix div-by-zero while copy-with-compaction for non-resizable environments.
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- Fixes & enhancements for custom-comparators.
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- Fix `MDBX_WITHOUT_MSVC_CRT` option and missing `ntdll.def`.
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- Fix `mdbx_env_close()` to work correctly called concurrently from several threads.
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- Fix null-deref in an ASAN-enabled builds while opening the environment with error and/or read-only.
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- Fix AddressSanitizer errors after closing the environment.
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- Fix/workaround to avoid GCC 10.x pedantic warnings.
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- Fix using `ENODATA` for FreeBSD.
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- Avoid invalidation of DBI-handle(s) when it just closes.
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- Avoid using `pwritev()` for single-writes (up to 10% speedup for some kernels & scenarios).
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- Avoiding `MDBX_UTTERLY_NOSYNC` as result of flags merge.
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- Add `mdbx_dbi_dupsort_depthmask()` function.
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- Add `MDBX_CP_FORCE_RESIZEABLE` option.
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- Add deprecated `MDBX_MAP_RESIZED` for compatibility.
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- Add `MDBX_BUILD_TOOLS` option (default `ON`).
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- Refine `mdbx_dbi_open_ex()` to safe concurrently opening the same handle from different threads.
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- Truncate clk-file during environment closing. So a zero-length lck-file indicates that the environment was closed properly.
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- Refine `mdbx_update_gc()` for huge transactions with small sizes of database page.
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- Extends dump/load to support all MDBX attributes.
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- Avoid upsertion the same key-value data, fix related assertions.
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- Rework min/max length checking for keys & values.
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- Checking the order of keys on all pages during checking.
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- Support `CFLAGS_EXTRA` make-option for convenience.
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- Preserve the last txnid while copying with compactification.
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- Auto-reset running transaction in mdbx_txn_renew().
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- Automatically abort errored transaction in mdbx_txn_commit().
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- Auto-choose page size for large databases.
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- Rearrange source files, rework build, options-support by CMake.
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- Crutch for WSL1 (Windows subsystem for Linux).
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- Refine install/uninstall targets.
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- Support for Valgrind 3.14 and later.
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- Add check-analyzer check-ubsan check-asan check-leak targets to Makefile.
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- Minor fix/workaround to avoid UBSAN traps for `memcpy(ptr, NULL, 0)`.
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- Avoid some GCC-analyzer false-positive warnings.
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## v0.6.0 2020-01-21
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- Fix `mdbx_load` utility for custom comparators.
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- Fix checks related to `MDBX_APPEND` flag inside `mdbx_cursor_put()`.
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- Refine/fix dbi_bind() internals.
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- Refine/fix handling `STATUS_CONFLICTING_ADDRESSES`.
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- Rework `MDBX_DBG_DUMP` option to avoid disk I/O performance degradation.
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- Add built-in help to test tool.
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- Fix `mdbx_env_set_geometry()` for large page size.
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- Fix env_set_geometry() for large pagesize.
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- Clarify API description & comments, fix typos.
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## 2020-03-18
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- Workarounds for Wine (Windows compatibility layer for Linux).
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- `MDBX_MAP_RESIZED` renamed to `MDBX_UNABLE_EXTEND_MAPSIZE`.
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- Clarify API description, fix typos.
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- Speedup runtime checks in debug/checked builds.
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- Added checking for read/write transactions overlapping for the same thread, added `MDBX_TXN_OVERLAPPING` error and `MDBX_DBG_LEGACY_OVERLAP` option.
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- Added `mdbx_key_from_jsonInteger()`, `mdbx_key_from_double()`, `mdbx_key_from_float()`, `mdbx_key_from_int64()` and `mdbx_key_from_int32()` functions. See `mdbx.h` for description.
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- Fix compatibility (use zero for invalid DBI).
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- Refine/clarify error messages.
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- Avoids extra error messages "bad txn" from mdbx_chk when DB is corrupted.
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## v0.5.0 2019-12-31
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- Fix returning MDBX_RESULT_TRUE from page_alloc().
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- Fix false-positive ASAN issue.
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- Fix assertion for `MDBX_NOTLS` option.
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- Rework `MADV_DONTNEED` threshold.
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- Fix `mdbx_chk` utility for don't checking some numbers if walking on the B-tree was disabled.
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- Use page's mp_txnid for basic integrity checking.
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- Add `MDBX_FORCE_ASSERTIONS` built-time option.
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- Rework `MDBX_DBG_DUMP` to avoid performance degradation.
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- Rename `MDBX_NOSYNC` to `MDBX_SAFE_NOSYNC` for clarity.
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- Interpret `ERROR_ACCESS_DENIED` from `OpenProcess()` as 'process exists'.
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- Avoid using `FILE_FLAG_NO_BUFFERING` for compatibility with small database pages.
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- Added install section for CMake.
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## 2020-01-21
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- Fix `mdbx_load` utility for custom comparators.
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- Fix checks related to `MDBX_APPEND` flag inside `mdbx_cursor_put()`.
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- Refine/fix dbi_bind() internals.
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- Refine/fix handling `STATUS_CONFLICTING_ADDRESSES`.
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- Rework `MDBX_DBG_DUMP` option to avoid disk I/O performance degradation.
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- Add built-in help to test tool.
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- Fix `mdbx_env_set_geometry()` for large page size.
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- Fix env_set_geometry() for large pagesize.
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- Clarify API description & comments, fix typos.
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## v0.4.0 2019-12-02
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- Support for Mac OSX, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, OpenSolaris, OpenIndiana (AIX and HP-UX pending).
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- Use bootid for decisions of rollback.
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- Counting retired pages and extended transaction info.
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- Add `MDBX_ACCEDE` flag for database opening.
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- Using OFD-locks and tracking for in-process multi-opening.
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- Hot backup into pipe.
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- Support for cmake & amalgamated sources.
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- Fastest internal sort implementation.
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- New internal dirty-list implementation with lazy sorting.
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- Support for lazy-sync-to-disk with polling.
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- Extended key length.
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- Last update transaction number for each sub-database.
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- Automatic read ahead enabling/disabling.
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- More auto-compactification.
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- Using -fsanitize=undefined and -Wpedantic options.
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- Rework page merging.
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- Nested transactions.
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- API description.
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- Checking for non-local filesystems to avoid DB corruption.
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## 2019-12-31
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- Fix returning MDBX_RESULT_TRUE from page_alloc().
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- Fix false-positive ASAN issue.
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- Fix assertion for `MDBX_NOTLS` option.
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- Rework `MADV_DONTNEED` threshold.
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- Fix `mdbx_chk` utility for don't checking some numbers if walking on the B-tree was disabled.
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- Use page's mp_txnid for basic integrity checking.
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- Add `MDBX_FORCE_ASSERTIONS` built-time option.
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- Rework `MDBX_DBG_DUMP` to avoid performance degradation.
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- Rename `MDBX_NOSYNC` to `MDBX_SAFE_NOSYNC` for clarity.
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- Interpret `ERROR_ACCESS_DENIED` from `OpenProcess()` as 'process exists'.
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- Avoid using `FILE_FLAG_NO_BUFFERING` for compatibility with small database pages.
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- Added install section for CMake.
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## 2019-12-02
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- Support for Mac OSX, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, OpenSolaris, OpenIndiana (AIX and HP-UX pending).
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- Use bootid for decisions of rollback.
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- Counting retired pages and extended transaction info.
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- Add `MDBX_ACCEDE` flag for database opening.
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- Using OFD-locks and tracking for in-process multi-opening.
|
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- Hot backup into pipe.
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- Support for cmake & amalgamated sources.
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- Fastest internal sort implementation.
|
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- New internal dirty-list implementation with lazy sorting.
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- Support for lazy-sync-to-disk with polling.
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- Extended key length.
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- Last update transaction number for each sub-database.
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- Automatic read ahead enabling/disabling.
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- More auto-compactification.
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- Using -fsanitize=undefined and -Wpedantic options.
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- Rework page merging.
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- Nested transactions.
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- API description.
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- Checking for non-local filesystems to avoid DB corruption.
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-------------------------------------------------------------------------------
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For early changes see the git commit history.
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