I am submitting Cypher queries over the HTTP transactional endpoint in
batches and began using a pattern of adding an expected value as part of my
query. For example, a query like this:
MATCH (s {foo: 1}),
(e {bar: 1})
CREATE (s)-[:LINKS]->(e)
RETURN 1
would be submitted as:
{
"statement": <query>,
"parameters": null,
"expected": 1
}
the Neo4j client I wrote inspects the result and determines in it matches
the expected result. The reason this is necessary is because if either MATCH
fails, the CREATE will not occur and nothing will be returned. Since an
error is not raised, I use the RETURN 1 as a sentinel for determining
whether the query completely executed.
I was curious if the Neo4j team had any plans for providing a return value
for Cypher query execution. Or consider an approach like this in which an
agent can declare an expected value.
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