Programming, Alibaba Cloud, Database, Postgresql, Data Analytics.
Seq Scan on postgres.a (cost=0.00..191742.68 rows=100000 width=32) (actual time=0.035..634.038 rows=100000 loops=1) Output: (SubPlan 1) Buffers: shared hit=501263 SubPlan 1 -> Limit (cost=0.57..1.90 rows=1 width=55) (actual time=0.006..0.006 rows=1 loops=100000) Output: b.*, b.crt_time Buffers: