Amazon web services – Amazon Neptune OpenCypher – What is the cause for "Operation terminated (internal error)" when using SET after MERGE?
I am running this simple query on an Amazon Neptune DB, using directly the Neptune API: POST {{host}}/openCypher Content-Type: application/json { "query":"MERGE (t:Test {reference: $reference}) SET t.test=$test RETURN t", "parameters": { "reference": "test", "test": "100" } } But I get…