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by gilleain 91 days ago
Not an answer, but related, I was looking at Memgraph (graph db) query planning for Cypher, which is similar (ish) to what you are asking about:

https://memgraph.com/docs/querying/query-plan

The reason why I was looking was to do query planning for a declarative pattern-finding in atomic structures (hierarchical labelled graphs, I suppose) although I'm slowly realising just how insanely hard it might be to get it to work efficiently!