@hackage / lsm-tree

Log-structured merge-trees

Latest1.1.1.0

Changelog

Revision history for lsm-tree

1.1.1.0 -- 2026-07-21

Breaking changes

None

New features

None

Minor changes
Bug fixes

None

1.1.0.0 -- 2026-05-13

Breaking changes
  • Move to snapshot version v2 due to changes to the internal table representation. While this change is backwards compatible (i.e. new code is still able to read old snapshots), be aware that v2 snapshots cannot be read by older versions of lsm-tree. See PR #834.
New features
Full API
  • Add a new importSnapshot function for importing snapshots from outside a session into that session. See PR #835.
  • Add a new SnapshotImportDirDoesNotExistError exception, which can currently only be thrown by thrown by importSnapshot. See PR #835.
  • Add a new exportSnapshot function for exporting snapshots from inside a session to outside that session. See PR #835.
  • Add a new SnapshotExportDirExistsError exception, which can currently only be thrown by thrown by exportSnapshot. See PR #835.
  • Add a new withOpenMountedSessionIO function, a variant of withOpenSessionIO with more general control over where snapshots can be exported to and imported from. See PR #835.
Minor changes
  • Optimise internal structure of tables containing a completed union. See PR #838.
Full API
  • Deprecate withOpenSessionIO in favour of withOpenMountedSessionIO. withOpenSessionIO is generally unsafe to use with the new importSnapshot and exportSnapshot functions. See PR #835.
Bug fixes

None

1.0.0.2 -- 2026-04-24

Breaking changes

None

New features

None

Minor changes
  • Support io-classes ^>=1.9 and ^>=1.10. See PR #819.
  • Support ghc-9.14. See PR #836.
  • Support containers-0.8. See PR #836.
Bug fixes
  • Fix a bug where lookups with a large number of input keys would sometimes return incorrect lookup results. See PR #841.

1.0.0.1 -- 2025-12-03

  • PATCH: support filepath-1.4. See PR #804.

1.0.0.0 -- 2025-08-06

  • First released version.