load 'auto_explain';
LOAD
set auto_explain.log_min_duration to 0;
SET
set auto_explain.log_analyze to on;
SET
set auto_explain.log_wal to on;
SET
set auto_explain.log_timing to on;
SET
set auto_explain.log_level to notice;
SET
BEGIN;
BEGIN
select
	l_shipmode,
	sum(case
		when o_orderpriority = '1-URGENT'
			or o_orderpriority = '2-HIGH'
			then 1
		else 0
	end) as high_line_count,
	sum(case
		when o_orderpriority <> '1-URGENT'
			and o_orderpriority <> '2-HIGH'
			then 1
		else 0
	end) as low_line_count
from
	orders,
	lineitem
where
	o_orderkey = l_orderkey
	and l_shipmode in ('TRUCK', 'FOB')
	and l_commitdate < l_receiptdate
	and l_shipdate < l_commitdate
	and l_receiptdate >= date '1996-01-01'
	and l_receiptdate < date '1996-01-01' + interval '1 year'
group by
	l_shipmode
order by
	l_shipmode;
NOTICE:  duration: 8708.009 ms  plan:
Query Text: select
	l_shipmode,
	sum(case
		when o_orderpriority = '1-URGENT'
			or o_orderpriority = '2-HIGH'
			then 1
		else 0
	end) as high_line_count,
	sum(case
		when o_orderpriority <> '1-URGENT'
			and o_orderpriority <> '2-HIGH'
			then 1
		else 0
	end) as low_line_count
from
	orders,
	lineitem
where
	o_orderkey = l_orderkey
	and l_shipmode in ('TRUCK', 'FOB')
	and l_commitdate < l_receiptdate
	and l_shipdate < l_commitdate
	and l_receiptdate >= date '1996-01-01'
	and l_receiptdate < date '1996-01-01' + interval '1 year'
group by
	l_shipmode
order by
	l_shipmode;
Finalize GroupAggregate  (cost=2217060.66..2219465.60 rows=7 width=27) (actual time=8530.431..8707.996 rows=2 loops=1)
  Group Key: lineitem.l_shipmode
  ->  Gather Merge  (cost=2217060.66..2219465.42 rows=14 width=27) (actual time=8505.397..8707.987 rows=6 loops=1)
        Workers Planned: 2
        Workers Launched: 2
        ->  Partial GroupAggregate  (cost=2216060.63..2218463.78 rows=7 width=27) (actual time=8502.196..8526.868 rows=2 loops=3)
              Group Key: lineitem.l_shipmode
              ->  Sort  (cost=2216060.63..2216361.02 rows=120154 width=27) (actual time=8475.292..8491.719 rows=104180 loops=3)
                    Sort Key: lineitem.l_shipmode
                    Sort Method: external merge  Disk: 3800kB
                    Worker 0:  Sort Method: external merge  Disk: 3816kB
                    Worker 1:  Sort Method: external merge  Disk: 3744kB
                    ->  Parallel Hash Join  (cost=445729.68..2203045.92 rows=120154 width=27) (actual time=7887.889..8436.179 rows=104180 loops=3)
                          Hash Cond: (lineitem.l_orderkey = orders.o_orderkey)
                          ->  Parallel Seq Scan on lineitem  (cost=0.00..1718935.84 rows=120154 width=19) (actual time=0.102..5731.563 rows=104180 loops=3)
                                Filter: ((l_shipmode = ANY ('{TRUCK,FOB}'::bpchar[])) AND (l_commitdate < l_receiptdate) AND (l_shipdate < l_commitdate) AND (l_receiptdate >= '1996-01-01'::date) AND (l_receiptdate < '1997-01-01 00:00:00'::timestamp without time zone))
                                Rows Removed by Filter: 19911043
                          ->  Parallel Hash  (cost=330879.30..330879.30 rows=6255630 width=24) (actual time=2091.732..2091.733 rows=5005000 loops=3)
                                Buckets: 65536  Batches: 256  Memory Usage: 3776kB
                                ->  Parallel Seq Scan on orders  (cost=0.00..330879.30 rows=6255630 width=24) (actual time=0.020..908.083 rows=5005000 loops=3)
 l_shipmode | high_line_count | low_line_count 
------------+-----------------+----------------
 FOB        |           62676 |          93516
 TRUCK      |           62364 |          93985
(2 rows)

COMMIT;
COMMIT