Document manual query creation. [DATAGRAPH-1471]

[spring-projects-issues]

Gerrit Meier opened DATAGRAPH-1471 and commented

Missing in the docs is how to formulate Cypher queries so that their result can be mapped by correctly by SDN

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No further details from DATAGRAPH-1471

[meistermeier]

Closed by c1422f4 and 1f5d958