"Limit  (cost=25800.88..25801.24 rows=1 width=756)"
"  ->  WindowAgg  (cost=25800.88..25801.24 rows=1 width=756)"
"        ->  Finalize GroupAggregate  (cost=25800.88..25801.12 rows=1 width=368)"
"              Group Key: ('S3'::character varying)"
"              ->  Sort  (cost=25800.88..25800.89 rows=3 width=368)"
"                    ->  Gather  (cost=1000.00..25800.86 rows=3 width=368)"
"                          Workers Planned: 3"
"                          ->  Partial GroupAggregate  (cost=0.00..24800.56 rows=1 width=368)"
"                                Group Key: 'S3'::character varying"
"                                ->  Parallel Seq Scan on ro_summaries  (cost=0.00..23915.81 rows=11059 width=118)"
"                                      Filter: (day = '2016-11-07'::date)"