bamaer opened a new pull request, #8858:
URL: https://github.com/apache/hop/pull/8858
Adds a worked GraphRAG example built only from standard Hop transforms,
integration tests that keep the combination working across graph databases, and
a how-to.
- Graph model `graphrag` (Document, Chunk, Entity; RELATED_TO records its
type and source chunk)
- Samples in `plugins/tech/ai/src/main/samples/transforms`:
- `graphrag-index.hwf` / `.hpl` and `graphrag-ask.hpl` for Neo4j, Memgraph
and FalkorDB (connection `demo-neo4j`)
- `graphrag-index-hybrid.hpl` and `graphrag-ask-hybrid.hpl` for Apache AGE
with the embeddings in pgvector
- Integration tests, without a language model, in the memgraph, neo4j-bolt,
falkordb and age suites
- How-to: `how-to-guides/graphrag.adoc`
Testing: the new tests pass in all four suites with `run-tests-docker.sh`
(TEST_FILTER=main-graphrag), and the full memgraph suite passes. The samples
were run end to end against Neo4j, and against AGE with pgvector, using Ollama
(nomic-embed-text, and qwen3.5 with Thinking set to Off).
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