Function getMaxRelationalNodeID

query_plan.go:277–288

(plan *pb.QueryPlan)

}

func getMaxRelationalNodeID(plan *pb.QueryPlan) int32 {
	var maxRelationalNodeID int32
	// We assume that plan_nodes[] is pre-sorted in ascending order.
	// See QueryPlan.plan_nodes[] in the document.
	// https://cloud.google.com/spanner/docs/reference/rpc/google.spanner.v1?hl=en#google.spanner.v1.QueryPlan.FIELDS.repeated.google.spanner.v1.PlanNode.google.spanner.v1.QueryPlan.plan_nodes
	for _, planNode := range plan.GetPlanNodes() {
		if planNode.GetKind() == pb.PlanNode_RELATIONAL {
			maxRelationalNodeID = planNode.Index
		}
	}
	return maxRelationalNodeID
}