Programming, Alibaba Cloud, Database, Postgresql, Data Analytics.
'2017-07-17 09:54:00.480416'::timestamp without time zone)) Buffers: shared hit=500820 Planning time: 0.183 ms Execution time: 676.006 ms (20 rows) Summary Through the method (recursive query) mentioned in this article, we can achieve very fine-grained, real-time statistics of the state of a large