QUERY PLAN ------------------------------------------------------------------------------------------------------ Finalize MixedAggregate (cost=1000.00..5901854.45 rows=10416 width=20) Filtered by: (GROUPINGSETID()) Group Key: () Hash Key: cs_warehouse_sk, cs_ship_mode_sk, cs_call_center_sk Hash Key: cs_warehouse_sk, cs_ship_mode_sk Hash Key: cs_warehouse_sk Hash Key: cs_ship_mode_sk, cs_call_center_sk Hash Key: cs_ship_mode_sk Hash Key: cs_call_center_sk, cs_warehouse_sk Hash Key: cs_call_center_sk -> Gather (cost=1000.00..5901348.48 rows=41664 width=24) Workers Planned: 4 -> Partial MixedAggregate (cost=0.00..5896182.08 rows=10416 width=24) Group Key: () Hash Key: cs_warehouse_sk, cs_ship_mode_sk, cs_call_center_sk Hash Key: cs_warehouse_sk, cs_ship_mode_sk Hash Key: cs_warehouse_sk Hash Key: cs_ship_mode_sk, cs_call_center_sk Hash Key: cs_ship_mode_sk Hash Key: cs_call_center_sk, cs_warehouse_sk Hash Key: cs_call_center_sk -> Parallel Seq Scan on catalog_sales (cost=0.00..4096256.32 rows=35996432 width=12) (22 rows)