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Most queries are not graph traversals but rather regular table scans, in which case the DISTINCT clause is not needed as duplicates cannot be returned (unless query was modified by the user).
Tree O2M Relation
In this example, we have a recursive O2M relation between tree's nodes and their children (or their parent).
Each node in the tree has many children, and has one parent. If node A adds B to its children,
B can get its owner using the owner edge.
Generate Assets
go generate ./...
Run Examples
go test