Re: index only scan taking longer to run

2021-04-29 Thread David Rowley
On Thu, 29 Apr 2021 at 21:02, Ayub M wrote: > > In the below execution plan, the index scan on five_lima (table has 900m > records) is where it's spending most of its time. I want to bring down the > runtime to a few seconds, how do I optimize it? Tried forcing seq scan and > ran vacuum/analyze

Re: index only scan taking longer to run

2021-04-29 Thread Michael Lewis
Without knowledge of the structure of your data, or even real table/field names to be able to read the query with some sense of what the tables might be like, offering advice is rather difficult. I didn't notice any nodes with huge estimation problems at least. I will suggest that DISTINCT is ofte