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Lakehouse-native graph engine with git-style workflows
https://omnigraph.dev
44c0d0bc4b
E1. After D3 added recover_schema_state_files to refresh(), the
in-memory `self.schema_source` and `self.catalog` were left stale:
a SchemaApply sidecar processed via refresh would rename the
staging files (`_schema.pg`, IR contract) into place but the
handle continued operating against the old catalog. Subsequent
operations would surface schema mismatches against post-migration
data on disk.
Fix: after recover_manifest_drift completes, refresh() now mirrors
open_with_storage_and_mode's schema-load sequence — re-reads
`_schema.pg`, parses IR via load_or_bootstrap_schema_contract,
rebuilds the catalog with fixup_blob_schemas, and assigns into
self.schema_source / self.catalog. Steady-state cost: one read +
one parse per refresh; only mutates handle state when the on-disk
schema actually changed.
E2. The non-main branch_merge recovery test
(`branch_merge_phase_b_failure_recovered_on_non_main_target`)
asserted only `merged_parent_commit_id` was non-null — but
`merged_parent_commit_id` is independently populated from
sidecar.merge_source_commit_id (the SOURCE branch's tip), so the
assertion would pass even if D2's per-branch CommitGraph fix
regressed (the bug was about `parent_commit_id`, the TARGET
branch's tip).
Fix: capture target_branch's commit-graph head BEFORE the failed
merge by scanning target_branch's Lance ref on _graph_commits.lance
and picking the latest commit by created_at. After recovery, find
the recovery merge commit (the one with non-null
merged_parent_commit_id) and assert its `parent_commit_id` ==
captured pre-failure head. Without D2, recovery would record the
GLOBAL head (the source_branch's insert-Carol commit on this test)
instead, and the assertion fails.
Also fixes the column-type cast: created_at is stored as
TimestampMicrosecondArray, not Int64Array.
All workspace tests pass with --features failpoints.
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-cookbooks.
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.
Community
Join the Omnigraph Slack community to ask questions, share feedback, and follow development.