Programming, Alibaba Cloud, Database, Postgresql, Data Analytics.
(t.b).aid, (t.b).val, (t.b).crt_time Filter: ((t.b).aid IS NOT NULL) Buffers: shared hit=500443 -> Limit (cost=0.00..190854.32 rows=100000 width=32) (actual time=0.032..796.185 rows=100000 loops=1) Output: ((SubPlan 1)) Buffers: shared hit=500443 -> Seq Scan on postgres.a (cost=0.00..190854.32