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CHANGELOG.md

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CHANGELOG

0.20.0

  • Add dynamic SkipMaps
  • Support create multiple SkipMaps on the same Allocator
  • Improve docs on some constructor methods

0.19.0

  • Cleanup structures and remove Trailer, TrailedMap and FullMap
  • Add version guard for query APIs
  • Add Height::with and KeySize::with
  • Fix wrong result returned from Key::is_remove
  • Add data_offset and data_offset_unify method for Options
  • Renaming types

0.17.0

  • Refactor to support generic key-value types
  • Fix DoubleEndIterator implementation
  • Lazy init the V::Ref<'a> and K::Ref<'a> in EntryRef

0.15.0

  • Extract different kinds of SkipMap to traits to improve flexibility
  • Implementing a builder pattern to construct SkipMaps
  • Make the crate compatible with Tree Borrows

0.14.0

  • Supports unsync version SkipMaps
  • Fix: dealloc potential in-unsed memory chunk
  • Add CompressionPolicy as a configuration
  • Increase the discarded tracker when find new version of a key

0.13.0

  • Remove Comparator generic on Entry*

0.12.0

  • Bump rarena-allocator's version
  • Change value callback from impl FnOnce + Copy to impl Fn

0.11.0

  • Refactor and extract lock-free ARENA allocator implementation to rarena-allocator crate.
    • Add an ordered linked list to track segments.
  • Increase maximum key size to u27::MAX
  • Support key prefix compression
  • Support version compatibility check
  • Add Options as a parameter when constructing the SkipMap and SkipSet
    • Support specify max key size and max value size
    • Support set the max height

0.10.0

  • Remove SkipSet
  • Add insert, insert_with, insert_with_value, get_or_insert, get_or_insert and get_or_insert_with_value methods
  • Add compare_remove, get_or_remove and get_or_remove_with methods
  • Add Entry and VersionedEntry
  • Add discard states tracker and discarded method to let users know how many bytes in ARENA are discarded.
  • Rename OccupiedValue to VacantBuffer and do not panic when users do not fully fill VacantBuffer
  • Add tracing
  • Add SkipMap::refs API to allow users get how many references.

0.9.0

  • Make file backed mmap SkipMap and SkipSet still can be reopened even last time the program was aborted.
  • Remove checksum validation, users should take care of data integrity by themselves.
  • Support Clone directly, no need to use Arc wrapper anymore.
  • Add OpenOptions and MmapOptions to support better controls on file mmap backed SkipMap and SkipSet.

0.8.6

  • Add SkipMap::minimum_version and SkipSet::minimum_version to access the min version of the SkipMap or SkipSet.
  • Fix maximum_version is not be updated when using SkipMap::insert_with.

0.8.5

  • Add accessor to Comparator.

0.8.4

  • Relax MapIterator and SetIterator trait bound
  • Add SkipMap::maximum_version and SkipSet::maximum_version to access the max version of the SkipMap or SkipSet.
  • Add checksum and max version in overhead for memmory mapped backend SkipMap or SkipSet.
  • Use CAS instead of fetch_update in Arena::alloc.

0.8.3

  • Make the result of MapIterator::entry and SetIterator::entry reference to 'a

0.8.2

  • Make the result of MapIterator::seek_upper_bound and MapIterator::seek_lower_bound reference to 'a
  • Make the result of SetIterator::seek_upper_bound and SetIterator::seek_lower_bound reference to 'a

0.8.1

  • Add entry method for MapIterator and SetIterator to support access the last yield entry of the iterator.

0.8.0

  • Make SkipMap::insert and SkipSet::insert return the current value if the key and trailer already exist.
  • Add the SkipMap::insert_with method to support inserting an vacant key first, then write the value in the closure semantic.

0.7.0

  • Implement Iterator for MapIterator and SetIterator.
  • Optimize Arena::alloc logic.

0.6.0

  • Change mmap related API
  • Support open exist SkipMap and SkipSet file in read only mode.

0.5.1

  • Add flush API

UNRELEASED