Changelog
All notable changes to this project will be documented in this file.
v0.2.0 (Phase 1-4 Architecture Update)
Features
- Immutable Block Storage: Transitioned to an entirely immutable physical data structure mapped over Object Storage (S3, Memory, File).
- Write-Forward Service & Caching: Added an in-memory batched log overlay (
committed/prefix) to support Read-After-Write consistency and background storage merging. - B+Tree Indexes: Replaced simple mappings with robust Copy-on-Write (CoW) B+Trees for fast exact-match lookups.
- Query Optimizer: Added background reservoir sampling to support condition selectivity scoring and execution plan generation with a Mock Query Executor.
- Timesharing Concurrency: Implemented a MISC clock-driven timesharing mechanism allowing decentralized, lockless writes across multiple concurrent nodes.
- Managed Blobs: Added native support for binary Blob interception via the
db.Blob()wrapper, asynchronous uploading, and tombstone-based Garbage Collection. - Snapshots: Introduced zero-cost time-travel snapshots based on
Block 0versioning and time-range bounded garbage collection logic. - Blue/Green Migrations: Background block rewrites for safe, zero-downtime schema migrations via the Storage-Level Migration Daemon.
Breaking Changes
- Replaced the legacy monolithic
createDatabase()instantiation logic with a modular, dependency-injectedBucketDb()factory. - Schemas are now strictly enforced and require a discrete
registerSchema()step before any table can be queried or written to. - Writes must now occur through the
db.batch()API instead of direct table inserts.
v0.1.0 Alpha
Initial Alpha Release