CHANGELOG.md

Changelog

0.36.0 (2025-01-03)

• Fix some typos (DeVikingMark)
• chore: fix multiple typos of different importance (crStiv)
• feat: allow to set per cf ttl (0xdeafbeef)
• Fix some typos (teenager-ETH)
• Fix future clippy warnings (niklasf)
• upgrade to RocksDB 9.10.0 (zaidoon1)

0.35.0 (2024-12-17)

• DB: Implement get_db_identity using rocksdb_get_db_identity (evanj)
• Add lto feature (0xdeafbeef)
• Options: Add set_track_and_verify_wals_in_manifest (evanj)
• upgrade to RocksDB 9.9.3 (zaidoon1)
• add set_use_delta_encoding() to Options (jevolk)

0.34.0 (2024-12-04)

• Fix two tests that want to write to the current working directory (mr-c)
• add missing supported bsd oses (drizzt)
• Fix column family creation race. (stuhood)
• Allow using static bindgen feature (Congyuwang)
• tests: use tempfile instead of the current working directory (mr-c)
• implement with_capacity for WriteBatch (0xdeafbeef)
• ci: make most directories read-only before running the tests (mr-c)
• More temp directories for tests (mr-c)
• fix(build): add ROCKSDB_SCHED_GETCPU_PRESENT for Linux build config (popcnt1)
• upgrade to RocksDB 9.8.4 (zaidoon1)

0.33.0 (2024-11-01)

• upgrade to RocksDB 9.7.4 (zaidoon1)

0.32.0 (2024-10-23)

• Decrement refcount after registering info loggers (jevolk)
• upgrade to RocksDB 9.7.3 (zaidoon1)

0.31.0 (2024-10-16)

• Expose LRU cache options (athre0z)
• add Env::from_raw constructor (jgraettinger)
• Fix unsoundness via impure AsRef (niklasf)
• Allow setting logging callback (jevolk)
• upgrade to RocksDB 9.7.2 (zaidoon1)

0.30.0 (2024-09-06)

• Improve statistics by auto gen enum Ticker & enum Histogram (rockeet)
• upgrade to RocksDB 9.6.1 (zaidoon1)

0.29.0 (2024-08-21)

• Implement Sync for BoundColumnFamily (jhpratt)
• use the provided system rocksdb prebuilt on freebsd (girlbossceo)
• TransactionDB support in MemoryUsageBuilder (4TT1L4)
• upgrade to RocksDB 9.5.2 (zaidoon1)

0.28.1 (2024-07-26)

• allow unprefixed musl jemalloc targets (girlbossceo)
• bump tikv-jemalloc-sys to 0.6 (girlbossceo)
• fix: android build in 32-bit devices (LucasXu0)
• Support user defined timestamp in rust bindings (siyuan0322)
• Bump lz4 1.10 (agourlay)
• feat: Properties for TransactionDB #899 (4TT1L4)
• Improvements to user defined timestamp (larry0x)

0.28.0 (2024-07-13)

• Add support for enabling blob cache (exabytes18)
• upgrade to RocksDB 9.4.0 (zaidoon1)

0.27.1 (2024-07-07)

• Add block based metadata cache options (zaidoon1)
• add feature flag to enable ZSTD_STATIC_LINKING_ONLY (zaidoon1)
• fix stats comments (zaidoon1)
• enable experimental feature in zstd-sys (zaidoon1)

0.27.0 (2024-06-29)

• Add option set_avoid_unnecessary_blocking_io (w41ter)
• add option to enable auto tuned ratelimiter (w41ter)
• clean up rate limiter object properly for set_ratelimiter_with_mode (zaidoon1)
• upgrade to RocksDB 9.3.1 (zaidoon1)
• Add option set_compaction_pri (zaidoon1)

0.26.0 (2024-04-24)

• Add delete_range to OptimisticTransactionDB (vadim-su)
• Bump snappy to 1.2.0 (aleksuss)
• docs: document that default cf doesn't inherit db open options (0xdeafbeef)
• upgrade to RocksDB 9.2.1 (zaidoon1)

0.25.0 (2024-04-23)

• Update to RocksDB 9.1.1 (zaidoon1)

0.24.0 (2024-04-18)

• update README to document the various crate features that can be enabled (zaidoon1)
• Update to RocksDB 9.1.0 (zaidoon1)

0.23.2 (2024-03-30)

• fix set_options_from_string binding (zaidoon1)

0.23.1 (2024-03-28)

• make ColumnFamily Sync (zaidoon1)
• fix histogram stats after enum re-shuffle introduced in rocksdb v9.0 (zaidoon1)
• Add linking libatomic command to build.rs to allow building for riscv64gc-unknown-linux-gnu target (willemolding)
• Make BackupEngine Send (widagdos)
• Add readme for mt_static feature (spector-9)
• Add method to set DBOptions from string (jevolk)

0.23.0 (2024-03-20)

• Update to RocksDB 9.0.0 (zaidoon1)
• Expose rate limiter with mode feature (zaidoon1)
• Revert portable feature (zaidoon1)

0.22.8 (2024-03-15)

• Expose io-timeout/deadline read options (zaidoon1)
• modernize CI and other CI related clean (zaidoon1)
• replace unmaintained dev dependency (zaidoon1)
• more ci clean up (zaidoon1)
• fix: ptr::copy requires both ptrs to be non-null (ruanpetterson)
• Feat: Adds crt_static method (spector-9)
• Add portable feature for RocksDB build (sujayakar)
• Update README.md with a new section for the portable feature (sujayakar)

0.22.7 (2024-03-02)

• don't use system jemalloc (zaidoon1)

0.22.6 (2024-02-27)

• Update to RocksDB 8.11.3 (zaidoon1)
• Expose set_ttl (zaidoon1)

0.22.5 (2024-02-26)

• add feature flag to enable malloc-usable-size used by optimize_filtes_for_memory feature (zaidoon1)
• gate malloc-usable-size to linux only (zaidoon1)
• actually enable jemalloc when feature is used on linux (zaidoon1)

0.22.4 (2024-02-20)

• Update to RocksDB 8.10.2 (zaidoon1)
• Fix build status badge and other bits in README.md (jdanford)

0.22.3 (2024-02-13)

• Export memory usage builder and MemoryUsage structs to users (AhmedSoliman)
• Make FlushOptions Send and Sync (jansegre)

0.22.2 (2024-02-12)

• Expose rocksdb cumulative statistics and histograms (AhmedSoliman)

0.22.1 (2024-02-10)

• rename librocksdb-sys library (zaidoon1)

0.22.0 (2024-02-10)

• update code imports after package name change and clean up README/MAINTAINERHSIP (zaidoon1)
• update README and package name (zaidoon1)
• bump dependencies & upgrade to latest rust version (zaidoon1)
• update doc and para name for optimize_for_point_lookup (XiangpengHao)
• Add WriteBufferManager support (benoitmeriaux)
• Update to RocksDB 8.10.0 (zaidoon1)
• Make CompactOptions Send and Sync (GodTamIt)
• Update hash commit of the rocksdb submodule to corresponding v8.9.1 tag (aleksuss)
• feat: Expose set_periodic_compaction_seconds (zaidoon1)
• Update RocksDB to 8.9.1 (zaidoon1)
• feat: Expose set_auto_readahead_size (niklasf)
• feat: Expose wait_for_compact (zaidoon1)
• Fix bug in DBWALIterator that would return updates before the given sequence (schmidek)
• feat: Expose compact_on_deletion_collector_factory (zaidoon1)
• Update RocksDB to 8.8.1 (zaidoon1)
• feat: Expose set_wal_compression_type (ovr)
• Fix typo in documentation (jazarine)
• fix: add raw iterator validation before calling next method (aleksuss)
• feat: expose compression option parallel_threads (zaidoon1)
• feat: expose set_optimize_filters_for_memory (zaidoon1)
• Update RocksDB to 8.6.7 (aleksuss)
• Expose ReadTier publicly (tinct-martini)
• Update RocksDB to 8.5.3 (niklasf)
• feat: support column_family_metadata, column_family_metadata_cf (ovr)
• Remove wrong outlive requirements for cache in docs (zheland)
• Add allow_ingest_behind ffi call for DB Options (siyuan0322)
• Wrap prop names into a PropName type offering free conversion to str (mina86)
• Remove temporary boxed keys in batched_multi_get (axnsan12)
• Update to RocksDB 8.3.2 (niklasf)
• Expose flush_cfs_opt to flush multiple column families (lizhanhui)
• Prefer rocksdb_free to free for RocksDB memory (niklasf)
• Update snappy to 1.1.10 (timsueberkrueb)
• Free memory on writebatch index and avoid unnecessary clones (jkurian)

0.21.0 (2023-05-09)

• Add doc-check to CI with fix warnings in docs (YuraKotov)
• Fix rustdoc::broken-intra-doc-links errors (YuraKotov)
• Fix 32-bit ARM build (EyeOfPython)
• Allow specifying checksum type (romanz)
• Enable librocksdb-sys to be built by rustc_codegen_cranelift (ZePedroResende)
• Update to RocksDB 8.0.0 (niklasf)
• Block cache creation failure is not recoverable (niklasf)
• Update iOS min version to 12 in the build script (mighty840)
• Actually enable io-uring (niklasf)
• Update to RocksDB 8.1.1 (niklasf)
• Add Cache::new_hyper_clock_cache() (niklasf)
• Retrieve Value from KeyMayExist if value found in Cache or Memory (Congyuwang)
• Support for comparators as closures (pegesund)
• Fix bug in DBWALIterator that would miss updates (Zagitta)

0.20.1 (2023-02-10)

• Fix supporting MSRV 1.60.0 (aleksuss)

0.20.0 (2023-02-09)

• Support RocksDB 7.x BackupEngineOptions (exabytes18)
• Fix int128 compatibility check (Dirreke)
• Add Options::load_latest method to load the latest options from RockDB (Congyuwang)
• Bump bindgen to 0.64.0 (cwlittle)
• Bump rocksdb to 7.9.2 (kwek20)
• Make set_snapshot method public (a14e)
• Add drop_cf function to TransactionDB (bothra90)
• Bump rocksdb to 7.8.3 (aleksuss)
• Add doc for set_cache_index_and_filter_blocks (guerinoni)
• Re-run build.rs if env vars change (drahnr)
• Add WriteBatch::data method (w41ter)
• Add DB::open_cf_with_opts method (w41ter)
• Use lz4-sys crate rather then submodule (niklasf)
• Make create_new_backup_flush generic (minshao)

0.19.0 (2022-08-05)

• Add support for building with io_uring on Linux (parazyd)
• Change iterators to return Result (mina86)
• Support RocksDB transaction (yiyuanliu)
• Avoid pulling in dependencies via static feature flag (niklasf)
• Bump rocksdb to 7.4.4 (niklasf)
• Bump tikv-jemalloc-sys to 0.5 (niklasf)
• Update set_use_fsync comment (nazar-pc)
• Introduce ReadOptions::set_iterate_range and PrefixRange (mina86)
• Bump rocksdb to 7.4.3 (aleksuss)
• Don’t hold onto ReadOptions.inner when iterating (mina86)
• Bump zstd-sys from 1.6 to 2.0 (slightknack)
• Enable a building on the iOS platform (dignifiedquire)
• Add DBRawIteratorWithThreadMode::item method (mina86)
• Use NonNull in DBRawIteratorWithThreadMode (mina86)
• Tiny refactoring including fix for UB (niklasf)
• Add batched version MultiGet API (yhchiang-sol)
• Upgrade to rocksdb v7.3.1 (yhchiang-sol)
• Consistently use ffi_util::to_cpath to convert Path to CString (mina86)
• Convert properties to &CStr (mina86)
• Allow passing &CStr arguments (mina86)
• Fix memory leak when reading properties and avoid memory allocation (mina86)
• Fix Windows UTF-8 build flag (rajivshah3)
• Use more target features to build librocksdb-sys (niklasf)
• Fix bz_internal_error symbol multiply defined (nanpuyue)
• Bump rocksdb to 7.1.2 (dignifiedquire)
• Add BlobDB options (dignifiedquire)
• Add snapshot PinnableSlice based API (zheland)

0.18.0 (2022-02-03)

• Add open_cf_descriptor methods for Secondary and ReadOnly AccessType (steviez)
• Make Ribbon filters available (niklasf)
• Change versioning scheme of librocksdb-sys crate (aleksuss)
• Upgrade to RocksDB 6.28.2 (akrylysov)
• Fix theoretical UB while transmuting Arc (niklasf)
• Support configuring bottom-most compression level (mina86)
• Add BlockBasedOptions::set_whole_key_filtering (niklasf)
• Add constants for all supported properties (steviez)
• Make CacheWrapper and EnvWrapper Send and Sync (aleksuss)
• Replace mem::transmute with narrower conversions (niklasf)
• Optimize non-overlapping copy in raw_data (niklasf)
• Support multi_get_* methods (olegnn)
• Optimize multi_get_cf_opt() to use size hint (niklasf)
• Fix typo in set_background_purge_on_iterator_cleanup method (Congyuwang)
• Use external compression crates where possible (Dr-Emann)
• Update compression dependencies (akrylysov)
• Add method for opening DB with ro access and cf descriptors (nikurt)
• Support restoring from a specified backup (GoldenLeaves)
• Add merge operands iterator (0xdeafbeef)
• Derive serde::{Serialize, Deserialize} for configuration enums (thibault-martinez)
• Add feature flag for runtime type information and metadata (jgraettinger)
• Add set_info_log_level to control log verbosity (tkintscher)
• Replace jemalloc-sys for tikv-jemalloc-sys (Rexagon)
• Support UTF-8 file paths on Windows (rajivshah3)
• Support building RocksDB with jemalloc (akrylysov)
• Add rocksdb WAL flush api (duarten)
• Update rocksdb to v6.22.1 (duarten)

0.17.0 (2021-07-22)

• Fix multi_get method (mikhailOK)
• Bump librocksdb-sys up to 6.19.3 (olegnn)
• Add support for the cuckoo table format (rbost)
• RocksDB is not compiled with SSE4 instructions anymore unless the corresponding features are enabled in rustc (mbargull)
• Bump librocksdb-sys up to 6.20.3 (olegnn, akrylysov)
• Add DB::key_may_exist_cf_opt method (stanislav-tkach)
• Add Options::set_zstd_max_train_bytes method (stanislav-tkach)
• Mark Cache and Env as Send and Sync (akrylysov)
• Allow cloning the Cache and Env (duarten)
• Make SSE inclusion conditional for target features (mbargull)
• Use Self where possible (adamnemecek)
• Don't leak dropped column families (ryoqun)

0.16.0 (2021-04-18)

• Add DB::cancel_all_background_work method (stanislav-tkach)
• Bump librocksdb-sys up to 6.13.3 (aleksuss)
• Add multi_get, multi_get_opt, multi_get_cf and multi_get_cf_opt DB methods (stanislav-tkach)
• Allow setting options on a ColumnFamily (romanz)
• Fix logic related to merge operator settings (BoOTheFurious)
• Export persist_period_sec option and background_threads (developerfred)
• Remove unneeded bindgen features (Kixunil)
• Add merge delete_callback omitted by mistake (zhangsoledad)
• Bump librocksdb-sys up to 6.17.3 (ordian)
• Remove the need for &mut self in create_cf and drop_cf (v2) (ryoqun)
• Keep Cache and Env alive with Rc (acrrd)
• Add DB::open_cf_with_ttl method (fdeantoni)

0.15.0 (2020-08-25)

• Fix building rocksdb library on windows host (aleksuss)
• Add github actions CI for windows build (aleksuss)
• Update doc for Options::set_compression_type (wqfish)
• Add clippy linter in CI (aleksuss)
• Use DBPath for backup_restore test (wqfish)
• Allow to build RocksDB with a different stdlib (calavera)
• Add some doc-comments and tiny refactoring (aleksuss)
• Expose open_with_ttl. (calavera)
• Fixed build for x86_64-linux-android that doesn't support PCLMUL (vimmerru)
• Add support for SstFileWriter and DB::ingest_external_file (methyl)
• Add set_max_log_file_size and set_recycle_log_file_num to the Options (stanislav-tkach)
• Export the DEFAULT_COLUMN_FAMILY_NAME constant (stanislav-tkach)
• Fix slice transformers with no in_domain callback (nelhage)
• Don't segfault on failed a merge operator (nelhage)
• Adding read/write/db/compaction options (linxGnu)
• Add dbpath and env options (linxGnu)
• Add compaction filter factory API (unrealhoang)
• Add link stdlib when linking prebuilt rocksdb (unrealhoang)
• Support fetching sst files metadata, delete files in range, get mem usage (linxGnu)
• Do not set rerun-if-changed=build.rs (xu-cheng)
• Use pretty_assertions in tests (stanislav-tkach)
• librocksdb-sys: update rocksdb to 6.11.4 (ordian)
• Adding backup engine info (linxGnu)
• Implement Clone trait for Options (stanislav-tkach)
• Added Send implementation to WriteBatch (stanislav-tkach)
• Extend github actions (stanislav-tkach)
• Avoid copy for merge operator result using delete_callback (xuchen-plus)

0.14.0 (2020-04-22)

• Updated lz4 to v1.9.2 (ordian)
• BlockBasedOptions: expose format_version, [index_]block_restart_interval (ordian)
• Improve ffi_try macro to make trailing comma optional (wqfish)
• Add set_ratelimiter to the Options (PatrickNicholas)
• Add set_max_total_wal_size to the Options (wqfish)
• Simplify conversion on iterator item (zhangsoledad)
• Add flush_cf method to the DB (wqfish)
• Fix potential segfault when calling next on the DBIterator that is at the end of the range (wqfish)
• Move to Rust 2018 (wqfish)
• Fix doc for WriteBatch::delete (wqfish)
• Bump uuid and bindgen dependencies (jonhoo)
• Change APIs that never return error to not return Result (wqfish)
• Fix lifetime parameter for iterators (wqfish)
• Add a doc for optimize_level_style_compaction method (NikVolf)
• Make DBPath use tempfile (jder)
• Refactor db.rs and lib.rs into smaller pieces (jder)
• Check if we're on a big endian system and act upon it (knarz)
• Bump internal snappy version up to 1.1.8 (aleksuss)
• Bump rocksdb version up to 6.7.3 (aleksuss)
• Atomic flush option (mappum)
• Make set_iterate_upper_bound method safe (wqfish)
• Add support for data block hash index (dvdplm)
• Add some extra config options (casualjim)
• Add support for range delete APIs (wqfish)
• Improve building librocksdb-sys with system libraries (basvandijk)
• Add support for open_for_read_only APIs (wqfish)
• Fix doc for DBRawIterator::prev and next methods (wqfish)
• Add support for open_as_secondary APIs (calavera)

0.13.0 (2019-11-12)

Changes

• Added ReadOptions::set_verify_checksums and Options::set_level_compaction_dynamic_level_bytes methods (ordian)
• Array of bytes has been changed for pinnable slice for get operations (nbdd0121)
• Implemented Sync for DBRawIterator (nbdd0121)
• Removed extra copy in DBRawIterator (nbdd0121)
• Added Options::max_dict_bytes and Options::zstd_max_training_bytes methods(methyl)
• Added Android support (rtsisyk)
• Added lifetimes for DBIterator return types (ngotchac)
• Bumped rocksdb up to 6.2.4 (aleksuss)
• Disabled trait derivation for librocksdb-sys (EyeOfPython)
• Added DB::get_updates_since() to iterate write batches in a given sequence (nlfiedler)
• Added ReadOptions::set_tailing() to create a tailing iterator that continues to iterate over the database as new records are added (cjbradfield)
• Changed column families storing (aleksuss)
• Exposed the status method on iterators (rnarubin)

0.12.3 (2019-07-19)

Changes

• Enabled sse4.2/pclmul for accelerated crc32c (yjh0502)
• Added set_db_write_buffer_size to the Options API (rnarubin)
• Bumped RocksDB to 6.1.2 (lispy)
• Added Sync and Send implementations to Snapshot (pavel-mukhanov)
• Added raw_iterator_cf_opt to the DB API (rnarubin)
• Added DB::latest_sequence_number method (vitvakatu)

0.12.2 (2019-05-03)

Changes

• Updated compact_range_cf to use generic arguments (romanz)
• Removed allocations from SliceTransform implementation (ekmartin)
• Bumped RocksDB to 5.18.3 (baptistejamin)
• Implemented delete_range and delete_range_cf (baptistejamin)
• Added contribution guide (rhurkes)
• Cleaned up documentation for ReadOptions.set_iterate_upper_bound method (xiaobogaga)
• Added flush and flush_opt operations (valeriansaliou)

0.12.1 (2019-03-27)

Changes

• Added iterator_cf_opt function to DB (elichai)
• Added set_allow_mmap_writes and set_allow_mmap_reads functions to Options (aleksuss)

0.12.0 (2019-03-10)

Changes

• Added support for PlainTable factories (ekmartin)
• Added ability to restore latest backup (rohitjoshi)
• Added support for pinnable slices (xxuejie)
• Added ability to get property values (ekmartin)
• Simplified opening database when using non-default column families (iSynaptic)
• ColumnFamily, DBIterator and DBRawIterator now have lifetime parameters to prevent using them after the DB has been dropped (iSynaptic)
• Creating DBIterator and DBRawIterator now accept ReadOptions (iSynaptic)
• All database operations that accepted byte slices, &[u8], are now generic and accept anything that implements AsRef<[u8]> (iSynaptic)
• Bumped RocksDB to version 5.17.2 (aleksuss)
• Added set_readahead_size to ReadOptions (iSynaptic)
• Updated main example in doc tests (mohanson)
• Updated requirements documentation (jamesray1)
• Implemented AsRef<[u8]> for DBVector (iSynaptic)

0.11.0 (2019-01-10)

Announcements

• This is the first release under the new Maintainership model. Three contributors have been selected to help maintain this library -- (aleksuss) (@aleksuss), Jordan Terrell (@iSynaptic), and Ilya Bogdanov (@vitvakatu). Many thanks to Tyler Neely (@spacejam) for your support while taking on this new role.

• A gitter.im chat room has been created. Although it's not guaranteed to be "staffed", it may help to collaborate on changes to rust-rocksdb.

Changes

• added LZ4, ZSTD, ZLIB, and BZIP2 compression support (iSynaptic)
• added support for Checkpoint (aleksuss)
• added support for SliceTransform (spacejam)
• added DBPath struct to ensure test databases are cleaned up (ekmartin, iSynaptic)
• fixed rustfmt.toml to work with newer rustfmt version (ekmartin, iSynaptic)
• bindgen bumped up to 0.43 (s-panferov)
• made ColumnFamily struct Send (Tpt)
• made DBIterator struct Send (Elzor)
• create_cf and drop_cf methods on DB now work with immutable references (aleksuss)
• fixed crash in test_column_family test on macOS (aleksuss)
• fixed/implemented CI builds for macOS and Windows (aleksuss, iSynaptic)
• exposed set_skip_stats_update_on_db_open option (romanz)
• exposed keep_log_file_num option (romanz)
• added ability to retrieve WriteBatch serialized size (romanz)
• added set_options method to DB to allow changing options without closing and re-opening the database (romanz)

0.10.1 (2018-07-17)

• bump bindgen to 0.37 (ekmartin)
• bump rocksdb to 5.14.2 (ekmartin)
• add disable_cache to block-based options (ekmartin)
• add set_wal_dir (ekmartin)
• add set_memtable_prefix_bloom_ratio (ekmartin)
• add MemtableFactory support (ekmartin)
• add full_iterator (ekmartin)
• allow index type specification on block options (ekmartin)
• fix windows build (iSynaptic)

0.10.0 (2018-03-17)

• Bump rocksdb to 5.11.3 (spacejam)

New Features

• Link with system rocksdb and snappy libs through envvars (ozkriff)

Breaking Changes

• Fix reverse iteration from a given key (ongardie)

0.9.1 (2018-02-10)

New Features

• SliceTransform support (spacejam)

0.9.0 (2018-02-10)

New Features

• Allow creating iterators over prefixes (glittershark)

Breaking Changes

• Open cfs with options (garyttierney, rrichardson)
• Non-Associative merge ops (rrichardson)

0.8.3 (2018-02-10)

• Bump rocksdb to 5.10.2 (ongardie)
• Add Send marker to Options (iSynaptic)
• Expose advise_random_on_open option (ongardie)

0.8.2 (2017-12-28)

• Bump rocksdb to 5.7.1 (jquesnelle)

0.8.1 (2017-09-08)

• Added list_cf (jeizsm)

0.8.0 (2017-09-02)

• Removed set_disable_data_sync (glittershark)

0.7.2 (2017-09-02)

• Bumped rocksdb to 5.6.2 (spacejam)

0.7.1 (2017-08-29)

• Bumped rocksdb to 5.6.1 (vmx)

0.7 (2017-07-26)

Breaking Changes

• Bumped rocksdb to 5.4.6 (derekdreery)
• Remove use_direct_writes now that use_direct_io_for_flush_and_compaction exists (derekdreery)

New Features

• ReadOptions is now public (rschmukler)
• Implement Clone and AsRef for Error (daboross)
• Support for seek_for_prev (kaedroho)
• Support for DirectIO (kaedroho)

Internal Cleanups

• Fixed race condition in tests (debris)
• Move tests to the default tests directory (vmx)

0.6.1 (2017-03-13)

New Features

• Support for raw iterator access (kaedroho)

0.6 (2016-12-18)

Breaking Changes

• Comparator function now returns an Ordering (alexreg)

New Features

• Compaction filter (tmccombs)
• Support for backups (alexreg)

0.5 (2016-11-20)

Breaking changes

• No more Writable trait, as WriteBatch is not thread-safe as a DB (spacejam)
• All imports of rocksdb::rocksdb::* should now be simply rocksdb::* (alexreg)
• All errors changed to use a new rocksdb::Error type (kaedroho, alexreg)
• Removed Options.set_filter_deletes as it was removed in RocksDB (kaedroho)
• Renamed add_merge_operator to set_merge_operator and add_comparator to set_comparator (kaedroho)

New Features

• Windows support (development by jsgf and arkpar. ported by kaedroho)
• The RocksDB library is now built at crate compile-time and statically linked with the resulting binary (development by jsgf and arkpar. ported by kaedroho)
• Cleaned up and improved coverage and tests of the ffi module (alexreg)
• Added many new methods to the Options type (development by ngaut, BusyJay, zhangjinpeng1987, siddontang and hhkbp2. ported by kaedroho)
• Added len and is_empty methods to WriteBatch (development by siddontang. ported by kaedroho)
• Added path method to DB (development by siddontang. ported by kaedroho)
• DB::open now accepts any type that implements Into<Path> as the path argument (kaedroho)
• DB now implements the Debug trait (kaedroho)
• Add iterator_cf to snapshot (jezell)
• Changelog started