GoGM generated relationship deletion query is incorrect

[nikitawootten]

When gogm.Save() is called on an object which has had a deleted relationship, the generated query looks like:

UNWIND $rows as row MATCH (start)-[e]->(end) WHERE id(start) = row.startNodeId and id(end) = row.endNodeIds DELETE e

The parameters look like this:

{rows:{startNodeId:<id>,endNodeIds:[<id>]}}

Notice that endNodeIds is provided as a list, but the query constrains end with id(end) = row.endNodeIds.

The fix is simply changing id(end) = row.endNodeIds to id(end) in row.endNodeIds

[erictg]

Fix is in master, will be released soon