asterixdb/asterix-app/src/test/resources/runtimets/results_cbo/limit/push-limit-to-external-scan/push-limit-to-external-scan.2.plan

distribute result [$$14] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
-- DISTRIBUTE_RESULT  |UNPARTITIONED|
  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
  -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
    limit 5 [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
    -- STREAM_LIMIT  |UNPARTITIONED|
      exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
      -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
        project ([$$14]) [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
        -- STREAM_PROJECT  |PARTITIONED|
          assign [$$14] <- [$$t.getField(0)] [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
          -- ASSIGN  |PARTITIONED|
            limit 5 [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
            -- STREAM_LIMIT  |PARTITIONED|
              exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                data-scan []<-[$$t] <- test.ds1 limit 5 [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                -- DATASOURCE_SCAN  |PARTITIONED|
                  exchange [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                    empty-tuple-source [cardinality: 0.0, op-cost: 0.0, total-cost: 0.0]
                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|