ruleRegistry.addRule(
new UniquePathRulePartitioner( PlanPhase.PartitionNodes,
RulePartitioner.PartitionSource.PartitionCurrent,
new RuleExpression(
new TestNoGroupTapExpressionGraph(),
new TestBoundarySelJoinCoGroupExpressionGraph()
)
)
);
FlowElementGraph elementGraph = new SelfCoGroupGraph();