Planner COST
Runtime PIPELINED

+--------------------+----+------------------------+----------------+
| Operator           | Id | Details                | Estimated Rows |
+--------------------+----+------------------------+----------------+
| +ProduceResults    |  0 | a, b                   |         250000 |
| |                  +----+------------------------+----------------+
| +CartesianProduct  |  1 |                        |         250000 |
| |\                 +----+------------------------+----------------+
| | +NodeByLabelScan |  2 | b:Q                    |            500 |
| |                  +----+------------------------+----------------+
| +AllNodesScan      |  3 | a                      |            500 |
+--------------------+----+------------------------+----------------+
