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Lakehouse-native graph engine with git-style workflows
https://omnigraph.dev
7c09220210
Two CI failures, both addressed: (1) u32/u64 type mismatch in stage_append (compile error): ds.manifest.max_fragment_id is Option<u32>, but Lance's Fragment::id and the commit-time renumbering counter in Transaction::fragments_with_ids operate on u64. Cast max_fragment_id to u64 before the arithmetic. (2) scan_with_staged_pushes_filter_through_committed_and_staged failed because Lance's stats-based fragment pruning drops uncommitted staged fragments from filtered scans — they lack the per-column statistics that committed fragments carry. With filter `age >= 30` and a staged dave (age=35), dave is silently absent from the result. scanner.use_stats(false) does not bypass this in lance 4.0.0 (verified locally). Rather than chase Lance internals further, document the limitation: - stage_merge_insert / scan_with_staged docstring updated to flag the filter contract as incomplete on staged fragments. - Test renamed to scan_with_staged_with_filter_silently_drops_staged_rows and flipped to assert the actual behavior, with a clear note pointing at the design pivot (.context/mr-794-step2-design.md §1.1) and instructions for whoever sees the assertion fail in the future. - Test also asserts that unfiltered scan_with_staged returns all rows — confirms the issue is specifically filter pushdown, not fragment scanning per se. The engine's MR-794 step 2+ design (in-memory pending-batch accumulation + DataFusion MemTable for read-your-writes) sidesteps this entirely; production code is unaffected. scan_with_staged stays on the public surface for primitive-level testing and for callers that don't need filter pushdown. All 8 staged_writes tests + 10 runs + 63 end_to_end + consistency green locally. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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| .context | ||
| .github/workflows | ||
| crates | ||
| docker | ||
| docs | ||
| scripts | ||
| .dockerignore | ||
| .gitignore | ||
| AGENTS.md | ||
| Cargo.lock | ||
| Cargo.toml | ||
| CLAUDE.md | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| Dockerfile | ||
| LICENSE | ||
| og-cheet-sheet.md | ||
| omnigraph.example.yaml | ||
| openapi.json | ||
| README.md | ||
| rust-toolchain.toml | ||
| SECURITY.md | ||
Omnigraph
Lakehouse-native graph engine with git-style workflows.
Branch, commit, and merge typed graph data like source code. Multi-modal, self-hosted, open source.
Use Cases
- On-prem & hybrid context graphs
- Backbone for multi-agent research
- Incident response graphs
- Compliance & audit graphs
- Enterprise knowledge systems
Capabilities
- Typed schema, typed queries, and typed mutations
- Schema-as-code, query validation and linting
- Git-style graph workflows: branches, commits, merges, and transactional runs
- Local, on-prem & cloud S3-native storage with snapshot-pinned reads
- Graph traversal + text, fuzzy, BM25, vector, and RRF search in one runtime
- Policy-as-code for server-side access control
- Single CLI for multiple deployments
Quick Install
curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/install.sh | bash
This installs omnigraph and omnigraph-server into ~/.local/bin from
published release binaries.
Or install with Homebrew:
brew tap ModernRelay/tap
brew install ModernRelay/tap/omnigraph
For starter graphs and agent skills to bootstrap and operate Omnigraph, see ModernRelay/omnigraph-starters.
One-Command Local RustFS Bootstrap
curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/local-rustfs-bootstrap.sh | bash
That bootstrap:
- starts RustFS on
127.0.0.1:9000 - creates a bucket and S3-backed repo
- loads the checked-in context fixture
- launches
omnigraph-serveron127.0.0.1:8080
Docker must be installed and running first.
The RustFS bootstrap prefers the rolling edge binaries and only falls back to
source builds when release assets are unavailable.
If a previous run left objects under the same repo prefix but did not finish
initializing the repo, rerun with RESET_REPO=1 or set PREFIX to a new
value.
Common Commands
The same URI works for local paths, s3://…, or http://host:port.
omnigraph init --schema ./schema.pg ./repo.omni
omnigraph load --data ./data.jsonl ./repo.omni
omnigraph read --query ./queries.gq --name get_person --params '{"name":"Alice"}' ./repo.omni
omnigraph change --query ./queries.gq --name insert_person --params '{"name":"Mina"}' ./repo.omni
omnigraph branch create --from main feature-x ./repo.omni
omnigraph branch merge feature-x --into main ./repo.omni
See docs/cli.md for schema apply, snapshots, ingest, runs, and policy commands.
Docs
Build And Test
cargo build --workspace
cargo check --workspace
cargo test --workspace
Notes:
- Rust stable toolchain, edition 2024
- CI runs
cargo test --workspace --locked - Full CI and some local test flows require
protobuf-compiler - S3 integration tests expect an S3-compatible endpoint such as RustFS
Workspace Crates
crates/omnigraph-compiler: shared schema/query parser, typechecker, catalog, and IR loweringcrates/omnigraph: storage/runtime, branching, merge, change detection, and query executioncrates/omnigraph-cli: CLI for init/load/ingest/read/change/branch/snapshot/export/policy operationscrates/omnigraph-server: Axum HTTP server for remote reads, changes, ingest, export, branches, commits, and runs
Contributing
Please open an issue, spec, or design discussion before sending large code changes. Design feedback and concrete problem statements are the fastest way to collaborate on the roadmap.